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The MgFe solid showed some selectivity to the uptake of As(V), while the MgAl only removed As(V). This selective behaviour can be beneficial in studies of arsenic speciation.The present study deals with the preparation and structural and adsorbent characterization of the ternary layered double hydroxides (LDHs; ZFA-HT) with molar ratio Zn2+/Al3+/Fe3+ = 2/0.5/0.5 and its product calcined (ZFA-350) at 350 °C, which is examined for the removal of phosphate P(V) and chromate Cr(VI) from aqueous media. The as-obtained materials are characterized by X-ray diffraction (XRD), Fourier-transform infrared (FT-IR), thermogravimetric analysis-differential scanning calorimetry (TGA-DSC), scanning electron microscopy-X-ray energy dispersion (SEM-EDX) and Brunauer-Emmett-Teller (BET). Structural characterizations show that the LDHs is successfully synthesized and its calcined product is a mixed oxide. Batch sorption studies are conducted to investigate the effects of various experimental parameters such as contact time, solution pH, adsorbent amount, initial P(V) or Cr(VI) concentration and temperature. The isotherms, kinetics and thermodynamic parameters of adsorption of phosphate and chromium are studied. The adsorption processes are well described by the pseudo-second-order kinetic model than the other models examined. The adsorption isotherms data fit best to the Langmuir isotherm model instead of Freundlich and Dubinin-Radushkevich models. The maximum monolayer adsorption capacity of ZFA-350 was found to be 140.85 mg/g for P(V) and 52.63 mg/g for Cr(VI). The positive ΔH and ΔS and negative ΔG values reveal that the P(V) and Cr(VI) sorption onto ZFA-350 is endothermic, irreversible and spontaneous in nature.Modelling conversion processes in sewers can help minimize odour and pipe corrosion issues, but model uncertainties and errors must be understood. https://www.selleckchem.com/ In this study, the Wastewater Aerobic/Anaerobic Transformation in Sewers (WATS) model is implemented in two different frameworks; 1-D (CSTR-in-series) and computational fluid dynamics (CFD) to study the uncertainties due to model parameters and its mathematical form. The 1-D model is used to conduct uncertainty/sensitivity analysis using Monte Carlo simulations. Time-averaged outputs were represented using a general linearized model to quantify the importance of specific parameters. The sulfide formation rate per unit area of the biofilm is the most influential parameter. Parameters controlling anaerobic hydrolysis and fermentation are also significant. Uncertainty due to model structure is studied using CFD to explore the influences of non-homogeneous surface reactions and solids settling. These showed that the 1-D model provides a reasonable characterisation of the process for simple flows in pressure mains.This work is the first, to the best of our knowledge, to use polycaprolactone (PCL)-based membrane for the treatment of dairy wastewater. PCL is a biodegradable polymer with high biocompatibility and good oil resistance. The chlorine tolerance analysis of PCL-based membranes exhibited a good tolerance against chlorine. The PCL/TiO2 nanocomposite membrane with the addition of polyethylene glycol was prepared and tested for protein separation. The dependency of contact angle with time was analysed for the membrane, and the contact angle value reduced from 74.5 ± 2° to a steady value of 65 ± 2° in 120 s. The proteins were removed using a cross-flow filtration unit at an operating pressure of 0.4 MPa at room temperature with permeate flux of 10 L/m2 h and a relative permeate flux of about 0.10. The removal of proteins was measured qualitatively using native polyacrylamide gel electrophoresis (PAGE) and quantitatively using Lowry's test. A percentage rejection of 97.6 was obtained and the native PAGE showed the complete removal of all the major proteins present in the milk sample.This study aims at improving the existing algal-based wastewater treatment technologies by overcoming some of the major drawbacks of these systems such as large required land area, culture contamination, and energy-intensive algal harvesting. The experiments were carried out in an open photo-sequencing batch reactor at a laboratory-scale for nearly 2 months. A specific strain ACUS00207 of the aeroterrestrial green microalga Klebsormidium nitens (Kützing) Lokhorst was used. The strain is native to Bulgaria and belongs to a species that has never been used before in suspended growth systems for wastewater treatment for phosphorus removal. The culture of K. nitens showed promising results phosphorus removal rates ranging from 0.4 to 1 mg total phosphorus L-1 d-1, efficient settling properties, and resistance to culture contamination with native microalgae. On the basis of the observed phosphorus removal mechanism of biologically mediated chemical precipitation/phosphorus precipitation, an innovative working mode of the sequencing batch reactor is suggested for reducing the hydraulic retention time and the required land area.Rapid urbanization has led to altered thermal circulations in major cities that are responsible for the increasing occurrence of urban heat islands (UHIs) and events such as tropical nights and heat waves. To effectively mitigate such events, low-impact development (LID) and green infrastructure strategies have been developed. In Korea, LID techniques focus mainly on road pavement materials; however, issues regarding the reliability of measurements due to differences in the measurement equipment and studied specimens persist. This study presents the design of a green infrastructure surface temperature measurement (GSTM) instrument and a reliable methodology developed to evaluate the performance of pavement materials under controlled climate conditions. The developed GSTM instrument and methodology were tested by monitoring the surface temperature of materials based on LID practices and dense-graded asphalt and evaluating their ability to mitigate UHI and tropical night phenomena. The experiments were conducted under controlled climate conditions, using summer climate conditions of Seoul's typical meteorological year data. The UHI and tropical night phenomena mitigation performance of the pavement materials was evaluated by analyzing the correlation between the pavement materials' albedo and surface temperature using porous block specimens of different colors and LID-based pavement materials. The greening block recorded the most significant reduction in surface temperature, showing a difference of 22.6 °C, 185 min to the dense-graded asphalt. The white and yellow porous blocks showed surface temperature differences of 10.2 °C and 8.2 °C respectively compared to the dense-graded asphalt. The results revealed that pavement materials with higher albedo, more evaporation, and lower heat capacity have superior performance in mitigating UHI and tropical night events.
The MgFe solid showed some selectivity to the uptake of As(V), while the MgAl only removed As(V). This selective behaviour can be beneficial in studies of arsenic speciation.The present study deals with the preparation and structural and adsorbent characterization of the ternary layered double hydroxides (LDHs; ZFA-HT) with molar ratio Zn2+/Al3+/Fe3+ = 2/0.5/0.5 and its product calcined (ZFA-350) at 350 °C, which is examined for the removal of phosphate P(V) and chromate Cr(VI) from aqueous media. The as-obtained materials are characterized by X-ray diffraction (XRD), Fourier-transform infrared (FT-IR), thermogravimetric analysis-differential scanning calorimetry (TGA-DSC), scanning electron microscopy-X-ray energy dispersion (SEM-EDX) and Brunauer-Emmett-Teller (BET). Structural characterizations show that the LDHs is successfully synthesized and its calcined product is a mixed oxide. Batch sorption studies are conducted to investigate the effects of various experimental parameters such as contact time, solution pH, adsorbent amount, initial P(V) or Cr(VI) concentration and temperature. The isotherms, kinetics and thermodynamic parameters of adsorption of phosphate and chromium are studied. The adsorption processes are well described by the pseudo-second-order kinetic model than the other models examined. The adsorption isotherms data fit best to the Langmuir isotherm model instead of Freundlich and Dubinin-Radushkevich models. The maximum monolayer adsorption capacity of ZFA-350 was found to be 140.85 mg/g for P(V) and 52.63 mg/g for Cr(VI). The positive ΔH and ΔS and negative ΔG values reveal that the P(V) and Cr(VI) sorption onto ZFA-350 is endothermic, irreversible and spontaneous in nature.Modelling conversion processes in sewers can help minimize odour and pipe corrosion issues, but model uncertainties and errors must be understood. https://www.selleckchem.com/ In this study, the Wastewater Aerobic/Anaerobic Transformation in Sewers (WATS) model is implemented in two different frameworks; 1-D (CSTR-in-series) and computational fluid dynamics (CFD) to study the uncertainties due to model parameters and its mathematical form. The 1-D model is used to conduct uncertainty/sensitivity analysis using Monte Carlo simulations. Time-averaged outputs were represented using a general linearized model to quantify the importance of specific parameters. The sulfide formation rate per unit area of the biofilm is the most influential parameter. Parameters controlling anaerobic hydrolysis and fermentation are also significant. Uncertainty due to model structure is studied using CFD to explore the influences of non-homogeneous surface reactions and solids settling. These showed that the 1-D model provides a reasonable characterisation of the process for simple flows in pressure mains.This work is the first, to the best of our knowledge, to use polycaprolactone (PCL)-based membrane for the treatment of dairy wastewater. PCL is a biodegradable polymer with high biocompatibility and good oil resistance. The chlorine tolerance analysis of PCL-based membranes exhibited a good tolerance against chlorine. The PCL/TiO2 nanocomposite membrane with the addition of polyethylene glycol was prepared and tested for protein separation. The dependency of contact angle with time was analysed for the membrane, and the contact angle value reduced from 74.5 ± 2° to a steady value of 65 ± 2° in 120 s. The proteins were removed using a cross-flow filtration unit at an operating pressure of 0.4 MPa at room temperature with permeate flux of 10 L/m2 h and a relative permeate flux of about 0.10. The removal of proteins was measured qualitatively using native polyacrylamide gel electrophoresis (PAGE) and quantitatively using Lowry's test. A percentage rejection of 97.6 was obtained and the native PAGE showed the complete removal of all the major proteins present in the milk sample.This study aims at improving the existing algal-based wastewater treatment technologies by overcoming some of the major drawbacks of these systems such as large required land area, culture contamination, and energy-intensive algal harvesting. The experiments were carried out in an open photo-sequencing batch reactor at a laboratory-scale for nearly 2 months. A specific strain ACUS00207 of the aeroterrestrial green microalga Klebsormidium nitens (Kützing) Lokhorst was used. The strain is native to Bulgaria and belongs to a species that has never been used before in suspended growth systems for wastewater treatment for phosphorus removal. The culture of K. nitens showed promising results phosphorus removal rates ranging from 0.4 to 1 mg total phosphorus L-1 d-1, efficient settling properties, and resistance to culture contamination with native microalgae. On the basis of the observed phosphorus removal mechanism of biologically mediated chemical precipitation/phosphorus precipitation, an innovative working mode of the sequencing batch reactor is suggested for reducing the hydraulic retention time and the required land area.Rapid urbanization has led to altered thermal circulations in major cities that are responsible for the increasing occurrence of urban heat islands (UHIs) and events such as tropical nights and heat waves. To effectively mitigate such events, low-impact development (LID) and green infrastructure strategies have been developed. In Korea, LID techniques focus mainly on road pavement materials; however, issues regarding the reliability of measurements due to differences in the measurement equipment and studied specimens persist. This study presents the design of a green infrastructure surface temperature measurement (GSTM) instrument and a reliable methodology developed to evaluate the performance of pavement materials under controlled climate conditions. The developed GSTM instrument and methodology were tested by monitoring the surface temperature of materials based on LID practices and dense-graded asphalt and evaluating their ability to mitigate UHI and tropical night phenomena. The experiments were conducted under controlled climate conditions, using summer climate conditions of Seoul's typical meteorological year data. The UHI and tropical night phenomena mitigation performance of the pavement materials was evaluated by analyzing the correlation between the pavement materials' albedo and surface temperature using porous block specimens of different colors and LID-based pavement materials. The greening block recorded the most significant reduction in surface temperature, showing a difference of 22.6 °C, 185 min to the dense-graded asphalt. The white and yellow porous blocks showed surface temperature differences of 10.2 °C and 8.2 °C respectively compared to the dense-graded asphalt. The results revealed that pavement materials with higher albedo, more evaporation, and lower heat capacity have superior performance in mitigating UHI and tropical night events.0 Comments 0 Shares 0 Views 0 ReviewsPlease log in to like, share and comment! -
Similarly, there was no significant association between DMR methylation and CIN3+ compared to ≤CIN2. Restricting the outcome to CIN2+ cases that were HR-HPV positive and p16 staining positive, we found a significant association with PEG3 DMR methylation (OR 1.56 95% CI 1.03-2.36).
While the small number of high-grade CIN cases limit inferences, our findings suggest an association between altered DNA methylation at regulatory regions of PEG3 and high grade CIN in high-risk HPV positive cases.
While the small number of high-grade CIN cases limit inferences, our findings suggest an association between altered DNA methylation at regulatory regions of PEG3 and high grade CIN in high-risk HPV positive cases.
The "Accountability for Reasonableness" (A4R) framework has been widely adopted in working towards equity in health for sub-Saharan Africa (SAA). Its suitability for equitable health policy in Africa hinges, at least in part, on its considerable successes in the United States and it being among the most comprehensive ethical approaches in addressing inequitable access to healthcare. Yet, the conceptual match is yet to be examined between A4R and communal responsibility as a common fundamental ethic in SAA.
A4R and its applications toward health equity in sub-Saharan Africa were conceptually examined by considering the WHO's "3-by-5" and the REACT projects for their accounting for the communal responsibility ethic in pursuit of health equity.
Some of the challenges that these projects encountered may be ascribed to an incongruity between the underpinning ethical principle of A4R and the communitarian ethical principle dominant in sub-Saharan Africa. These are respectively the fair equality of opportunity principle derived from John Rawls' theory, and the African communal responsibility principle.
A health equity framework informed by the African communal responsibility principle should enhance suitability for SAA contexts, generating impetus from within Africa alongside the affordances of A4R.
A health equity framework informed by the African communal responsibility principle should enhance suitability for SAA contexts, generating impetus from within Africa alongside the affordances of A4R.
Female sex workers operating in conflict-affected settings could be at a **** greater risk of major depression. However, the epidemiology of major depression in this population remains understudied. We aimed to determine the prevalence and the factors associated with major depression among FSWs in the post-conflict Gulu district in Northern Uganda.
We conducted a cross-sectional study among 300 randomly selected adult female sex workers in Gulu. We utilized a pre-tested semi-structured questionnaire, embedded with MINI 7.0.0, to gather information from each participant through face-to-face interviews. We collected data on socio-demographic characteristics, sex-work-related characteristics, alcohol and drug use, HIV status, and major depression. Then, data were entered into EPI INFO 7 and analyzed using logistic regression with the aid of STATA 14.0.
The mean age (SD) of the study participants was 26.4 (± 6) years, 57.7% attained primary education, 51.7% never married, and 42.1% were living with HIV. Theaddress the mental health needs of female sex workers.
There is a high prevalence of major depression among female sex workers in post-conflict Gulu. The high prevalence of major depression underscores the need for government and development partners to urgently and adequately address the mental health needs of female sex workers.
Triple-negative breast cancer (TNBC) is a highly aggressive malignant disease with a high rate of recurrence and metastasis, few effective treatment options and poor prognosis. Here, we designed and constructed a combined photothermal immunotherapy strategy based on cancer cell membrane-coated biomimetic black phosphorus quantum dots (BBPQDs) for tumor-targeted photothermal therapy and anti-PD-L1 mediated immunotherapy.
BBPQDs have good photothermal conversion efficiency and can efficiently target tumor cells through homologous targeting and tumor homing. Under near infrared irradiation, we found that BBPQDs kill tumors directly through photothermal effects and induce dendritic cells maturation. In vivo studies have confirmed that the combined photothermal immunotherapy strategy displays a stronger antitumor activity than anti-PD-L1 monotherapy. In addition, BBPQDs-mediated photothermal therapy in combination with anti-PD-L1 treatment inhibit tumor recurrence and metastasis by reprograming the immunosuppressive tumor microenvironment into an immune-active microenvironment, and promoting the local and systemic antitumor immune response. We further found that the combined photothermal immunotherapy strategy can produce an immune memory effect against tumor rechallenge.
This study provides a novel therapeutic strategy for inhibiting the recurrence and metastasis of TNBC, with broad application prospects.
This study provides a novel therapeutic strategy for inhibiting the recurrence and metastasis of TNBC, with broad application prospects.Genomes are critical units in microbiology, yet ascertaining quality in prokaryotic genome assemblies remains a formidable challenge. We present GUNC (the Genome UNClutterer), a tool that accurately detects and quantifies genome chimerism based on the lineage homogeneity of individual contigs using a genome's full complement of genes. GUNC complements existing approaches by targeting previously underdetected types of contamination we conservatively estimate that 5.7% of genomes in GenBank, 5.2% in RefSeq, and 15-30% of pre-filtered "high-quality" metagenome-assembled genomes in recent studies are undetected chimeras. GUNC provides a fast and robust tool to substantially improve prokaryotic genome quality.
Ferritin, the natural iron storage protein complex, self-assembles into a uniform cage-like structure. Human H-ferritin (HFn) has been shown to transverse the blood-brain barrier (BBB) by binding to transferrin receptor 1 (TfR1), which is abundant in endothelial cells and overexpressed in tumors, and enters cells via endocytosis. Ferritin is easily genetically modified with various functional molecules, justifying that it possesses great potential for development into a nanocarrier drug delivery system.
In this study, a unique integrin α2β1-targeting H-ferritin (2D-HFn)-based drug delivery system was developed that highlights the feasibility of receptor-mediated transcytosis (RMT) for glioma tumor treatment. https://www.selleckchem.com/products/sndx-5613.html The integrin targeting α2β1 specificity was validated by biolayer interferometry in real time monitoring and followed by cell binding, chemo-drug encapsulation stability studies. Compared with naïve HFn, 2D-HFn dramatically elevated not only doxorubicin (DOX) drug loading capacity (up to 458 drug molecules/protein cage) but also tumor targeting capability after crossing BBB in an in vitro transcytosis assay (twofold) and an in vivo orthotopic glioma model.
Similarly, there was no significant association between DMR methylation and CIN3+ compared to ≤CIN2. Restricting the outcome to CIN2+ cases that were HR-HPV positive and p16 staining positive, we found a significant association with PEG3 DMR methylation (OR 1.56 95% CI 1.03-2.36). While the small number of high-grade CIN cases limit inferences, our findings suggest an association between altered DNA methylation at regulatory regions of PEG3 and high grade CIN in high-risk HPV positive cases. While the small number of high-grade CIN cases limit inferences, our findings suggest an association between altered DNA methylation at regulatory regions of PEG3 and high grade CIN in high-risk HPV positive cases. The "Accountability for Reasonableness" (A4R) framework has been widely adopted in working towards equity in health for sub-Saharan Africa (SAA). Its suitability for equitable health policy in Africa hinges, at least in part, on its considerable successes in the United States and it being among the most comprehensive ethical approaches in addressing inequitable access to healthcare. Yet, the conceptual match is yet to be examined between A4R and communal responsibility as a common fundamental ethic in SAA. A4R and its applications toward health equity in sub-Saharan Africa were conceptually examined by considering the WHO's "3-by-5" and the REACT projects for their accounting for the communal responsibility ethic in pursuit of health equity. Some of the challenges that these projects encountered may be ascribed to an incongruity between the underpinning ethical principle of A4R and the communitarian ethical principle dominant in sub-Saharan Africa. These are respectively the fair equality of opportunity principle derived from John Rawls' theory, and the African communal responsibility principle. A health equity framework informed by the African communal responsibility principle should enhance suitability for SAA contexts, generating impetus from within Africa alongside the affordances of A4R. A health equity framework informed by the African communal responsibility principle should enhance suitability for SAA contexts, generating impetus from within Africa alongside the affordances of A4R. Female sex workers operating in conflict-affected settings could be at a much greater risk of major depression. However, the epidemiology of major depression in this population remains understudied. We aimed to determine the prevalence and the factors associated with major depression among FSWs in the post-conflict Gulu district in Northern Uganda. We conducted a cross-sectional study among 300 randomly selected adult female sex workers in Gulu. We utilized a pre-tested semi-structured questionnaire, embedded with MINI 7.0.0, to gather information from each participant through face-to-face interviews. We collected data on socio-demographic characteristics, sex-work-related characteristics, alcohol and drug use, HIV status, and major depression. Then, data were entered into EPI INFO 7 and analyzed using logistic regression with the aid of STATA 14.0. The mean age (SD) of the study participants was 26.4 (± 6) years, 57.7% attained primary education, 51.7% never married, and 42.1% were living with HIV. Theaddress the mental health needs of female sex workers. There is a high prevalence of major depression among female sex workers in post-conflict Gulu. The high prevalence of major depression underscores the need for government and development partners to urgently and adequately address the mental health needs of female sex workers. Triple-negative breast cancer (TNBC) is a highly aggressive malignant disease with a high rate of recurrence and metastasis, few effective treatment options and poor prognosis. Here, we designed and constructed a combined photothermal immunotherapy strategy based on cancer cell membrane-coated biomimetic black phosphorus quantum dots (BBPQDs) for tumor-targeted photothermal therapy and anti-PD-L1 mediated immunotherapy. BBPQDs have good photothermal conversion efficiency and can efficiently target tumor cells through homologous targeting and tumor homing. Under near infrared irradiation, we found that BBPQDs kill tumors directly through photothermal effects and induce dendritic cells maturation. In vivo studies have confirmed that the combined photothermal immunotherapy strategy displays a stronger antitumor activity than anti-PD-L1 monotherapy. In addition, BBPQDs-mediated photothermal therapy in combination with anti-PD-L1 treatment inhibit tumor recurrence and metastasis by reprograming the immunosuppressive tumor microenvironment into an immune-active microenvironment, and promoting the local and systemic antitumor immune response. We further found that the combined photothermal immunotherapy strategy can produce an immune memory effect against tumor rechallenge. This study provides a novel therapeutic strategy for inhibiting the recurrence and metastasis of TNBC, with broad application prospects. This study provides a novel therapeutic strategy for inhibiting the recurrence and metastasis of TNBC, with broad application prospects.Genomes are critical units in microbiology, yet ascertaining quality in prokaryotic genome assemblies remains a formidable challenge. We present GUNC (the Genome UNClutterer), a tool that accurately detects and quantifies genome chimerism based on the lineage homogeneity of individual contigs using a genome's full complement of genes. GUNC complements existing approaches by targeting previously underdetected types of contamination we conservatively estimate that 5.7% of genomes in GenBank, 5.2% in RefSeq, and 15-30% of pre-filtered "high-quality" metagenome-assembled genomes in recent studies are undetected chimeras. GUNC provides a fast and robust tool to substantially improve prokaryotic genome quality. Ferritin, the natural iron storage protein complex, self-assembles into a uniform cage-like structure. Human H-ferritin (HFn) has been shown to transverse the blood-brain barrier (BBB) by binding to transferrin receptor 1 (TfR1), which is abundant in endothelial cells and overexpressed in tumors, and enters cells via endocytosis. Ferritin is easily genetically modified with various functional molecules, justifying that it possesses great potential for development into a nanocarrier drug delivery system. In this study, a unique integrin α2β1-targeting H-ferritin (2D-HFn)-based drug delivery system was developed that highlights the feasibility of receptor-mediated transcytosis (RMT) for glioma tumor treatment. https://www.selleckchem.com/products/sndx-5613.html The integrin targeting α2β1 specificity was validated by biolayer interferometry in real time monitoring and followed by cell binding, chemo-drug encapsulation stability studies. Compared with naïve HFn, 2D-HFn dramatically elevated not only doxorubicin (DOX) drug loading capacity (up to 458 drug molecules/protein cage) but also tumor targeting capability after crossing BBB in an in vitro transcytosis assay (twofold) and an in vivo orthotopic glioma model.0 Comments 0 Shares 0 Views 0 Reviews -
Pituitary apoplexy should be taken into consideration in a patient with increasing headache and neuro-ophthalmic symptoms. Pituitary apoplexy presenting as cerebral infarction is rare. The aim of surgery in emergency setting was sellar decompression. Endoscopic transsphenoidal surgery was an effective treatment.
Functioning pancreatic neuroendocrine tumors (pNETs) that express pancreatic polypeptide-PPomas-do not yet have a pathognomonic clinical syndrome associated with them due to their overall rarity and diverse symptoms. Moreover, in patients with MEN1, the often multifocal nature of pNETs presents a unique clinical issue.
We report a case of a 22-year-old man with a known MEN1 gene mutation who was suffering from severe diarrhea (7-8 bowel movements per day) and was found to have only elevated PP levels on biochemical work-up. Ga68-DOTATATE PET/CT showed multifocal tumors in the body and tail of the pancreas that were not evident on contrast-enhanced CT. The patient underwent a successful laparoscopic radical antegrade modular pancreatosplenectomy (RAMP) and recovered well post-operatively with complete resolution of his diarrhea. Immunohistochemistry showed multiple pure PPomas.
This case highlights the unique propensity for multifocal disease in patients with MEN1 mutations and the utility of functional imaging by somatostatin analogs, i.e., Ga68-DOTATATE PET/CT, in order to perform oncologic laparoscopic pancreatic resections.
PPomas in the setting of MEN1 mutations are a unique clinical entity due to their diverse associated clinical syndromes and propensity for multifocal disease.
PPomas in the setting of MEN1 mutations are a unique clinical entity due to their diverse associated clinical syndromes and propensity for multifocal disease.Nitric oxide (NO), a ubiquitous intracellular and intercellular messenger molecule, plays vital roles in many physiological processes and is closely related to many diseases. Although a lot of fluorescent probes have been developed for real-time detection of NO successfully, the probes still suffer from poor tissue permeability and limited selectivity. In this study, a novel far-red fluorescent probe ZJL-3 based on rhodamine fluorescent dye was designed, synthesized, and used for NO determination. The probe contains a rhodamine as fluorophore and o-phenylenediamino as recognition unit. Upon addition of NO, the probe ZJL-3 showed an obvious far-red emission at 637 nm. The results of fluorescence spectrum experiments indicated that probe ZJL-3 exhibited desirable selectivity to NO. Furthermore, probe ZJL-3 has low cytotoxicity and was applied for the detection of exogenous and endogenous NO in RAW264.7 cells and C. elegans with satisfactory results.Fluorescent probes have contributed greatly to our understanding of the biological role of peroxynitrite (ONOO-). The ONOO- fluorescence probe characterized by the arlyboronate received a moderate opening fluorescence response, and the borate-masked probe significantly increased the sensitivity of ONOO-. Thus, two simple fluorescent probes (ADB and ANB) with the recognition receptor of phenyl boronate moiety were constructed for the detection of ONOO-. The change of emission spectrum was affected differently by the electron donating (or withdrawing) of the substituents. ANB was shown to have a low sensitivity and quantum yield towards ONOO- in aqueous solution, whereas ADB with aggregation-induced emission (AIE) process exhibited not only good sensitivity for ONOO- with a detection limit of 75 nM, but also ADB could be used to quantitative detecting ONOO- in response to concentrations of ONOO- within 20 s. Importantly, ADB had good performance for the detection of exogenous ONOO- in the RAW 264.7 cells.A new chemiluminescence (CL) method was proposed to measure two widely used drugs, including paracetamol (PCM) and vancomycin (VAN). The CL reaction used was the CuS nanoparticles (CuS NPs)-luminol-O2 system. In this system, CuS NPs played the role of catalyst and increased the CL intensity. CuS NPs were easily synthesized by quick-precipitation. CuS NPs were characterized by spectroscopic techniques, and the mean size of NPs was estimated to be about 9 nm. In the developed CL methods, PCM and VAN decreased the CL intensity. In the proposed method, the linear concentration ranges were 4.0 × 10-5-4.0 × 10-4 mol L-1 of PCM and 2.0 × 10-5-6.0 × 10-4 mol L-1 of VAN. The limit of detections were 2.9 × 10-5 mol L-1 and 8.9 × 10-6 mol L-1 for PCM and VAN, respectively. The relative standard deviations (RSD) of the CL method were 2.99 and 4.31 (n = 6) for the determination of 3.0 × 10-4 mol L-1 PCM and VAN, respectively. It was also shown that the CL methods can measure PCM and VAN concentrations in various real samples.
Despite its role in social cognition and affiliative behavior, less is known about the role played by oxytocin in human sexual behavior.
In the present systematic review, we aimed to find the levels of oxytocin related to human sexual arousal and orgasm.
We conducted the study according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. We performed a systematic search in the principal databases for studies that reported collection of salivary or plasmatic samples, with dosage of oxytocin in relation to sexual activity during induction of sexual arousal and orgasm.
414 articles were obtained. After duplicates removal and the application of pre exclusion criteria, 16 articles were considered eligible and 13 articles were included with a Cohen's k of 0.827. Most of the studies used sexual self-stimulation and collected plasmatic or salivary samples to measure oxytocin. The sexual arousal and orgasm were assessed based on subjective reports.
The primary outcod by self-stimulation in which sexual fantasies play an important role, it should be possible to postulate for a role of the oxytocin in sexual desire. In particular, we hypothesize a complex role of the oxytocin in the modulation of sexual fantasies and thoughts that are relevant in the sexual desire and help to trigger genital and sexual arousal. Cera N, Vargas-Cáceres S, Oliveira C, et al. https://www.selleckchem.com/products/gsk650394.html How Relevant is the Systemic Oxytocin Concentration for Human Sexual Behavior? A Systematic Review. Sex Med 2021;9100370.
Pituitary apoplexy should be taken into consideration in a patient with increasing headache and neuro-ophthalmic symptoms. Pituitary apoplexy presenting as cerebral infarction is rare. The aim of surgery in emergency setting was sellar decompression. Endoscopic transsphenoidal surgery was an effective treatment. Functioning pancreatic neuroendocrine tumors (pNETs) that express pancreatic polypeptide-PPomas-do not yet have a pathognomonic clinical syndrome associated with them due to their overall rarity and diverse symptoms. Moreover, in patients with MEN1, the often multifocal nature of pNETs presents a unique clinical issue. We report a case of a 22-year-old man with a known MEN1 gene mutation who was suffering from severe diarrhea (7-8 bowel movements per day) and was found to have only elevated PP levels on biochemical work-up. Ga68-DOTATATE PET/CT showed multifocal tumors in the body and tail of the pancreas that were not evident on contrast-enhanced CT. The patient underwent a successful laparoscopic radical antegrade modular pancreatosplenectomy (RAMP) and recovered well post-operatively with complete resolution of his diarrhea. Immunohistochemistry showed multiple pure PPomas. This case highlights the unique propensity for multifocal disease in patients with MEN1 mutations and the utility of functional imaging by somatostatin analogs, i.e., Ga68-DOTATATE PET/CT, in order to perform oncologic laparoscopic pancreatic resections. PPomas in the setting of MEN1 mutations are a unique clinical entity due to their diverse associated clinical syndromes and propensity for multifocal disease. PPomas in the setting of MEN1 mutations are a unique clinical entity due to their diverse associated clinical syndromes and propensity for multifocal disease.Nitric oxide (NO), a ubiquitous intracellular and intercellular messenger molecule, plays vital roles in many physiological processes and is closely related to many diseases. Although a lot of fluorescent probes have been developed for real-time detection of NO successfully, the probes still suffer from poor tissue permeability and limited selectivity. In this study, a novel far-red fluorescent probe ZJL-3 based on rhodamine fluorescent dye was designed, synthesized, and used for NO determination. The probe contains a rhodamine as fluorophore and o-phenylenediamino as recognition unit. Upon addition of NO, the probe ZJL-3 showed an obvious far-red emission at 637 nm. The results of fluorescence spectrum experiments indicated that probe ZJL-3 exhibited desirable selectivity to NO. Furthermore, probe ZJL-3 has low cytotoxicity and was applied for the detection of exogenous and endogenous NO in RAW264.7 cells and C. elegans with satisfactory results.Fluorescent probes have contributed greatly to our understanding of the biological role of peroxynitrite (ONOO-). The ONOO- fluorescence probe characterized by the arlyboronate received a moderate opening fluorescence response, and the borate-masked probe significantly increased the sensitivity of ONOO-. Thus, two simple fluorescent probes (ADB and ANB) with the recognition receptor of phenyl boronate moiety were constructed for the detection of ONOO-. The change of emission spectrum was affected differently by the electron donating (or withdrawing) of the substituents. ANB was shown to have a low sensitivity and quantum yield towards ONOO- in aqueous solution, whereas ADB with aggregation-induced emission (AIE) process exhibited not only good sensitivity for ONOO- with a detection limit of 75 nM, but also ADB could be used to quantitative detecting ONOO- in response to concentrations of ONOO- within 20 s. Importantly, ADB had good performance for the detection of exogenous ONOO- in the RAW 264.7 cells.A new chemiluminescence (CL) method was proposed to measure two widely used drugs, including paracetamol (PCM) and vancomycin (VAN). The CL reaction used was the CuS nanoparticles (CuS NPs)-luminol-O2 system. In this system, CuS NPs played the role of catalyst and increased the CL intensity. CuS NPs were easily synthesized by quick-precipitation. CuS NPs were characterized by spectroscopic techniques, and the mean size of NPs was estimated to be about 9 nm. In the developed CL methods, PCM and VAN decreased the CL intensity. In the proposed method, the linear concentration ranges were 4.0 × 10-5-4.0 × 10-4 mol L-1 of PCM and 2.0 × 10-5-6.0 × 10-4 mol L-1 of VAN. The limit of detections were 2.9 × 10-5 mol L-1 and 8.9 × 10-6 mol L-1 for PCM and VAN, respectively. The relative standard deviations (RSD) of the CL method were 2.99 and 4.31 (n = 6) for the determination of 3.0 × 10-4 mol L-1 PCM and VAN, respectively. It was also shown that the CL methods can measure PCM and VAN concentrations in various real samples. Despite its role in social cognition and affiliative behavior, less is known about the role played by oxytocin in human sexual behavior. In the present systematic review, we aimed to find the levels of oxytocin related to human sexual arousal and orgasm. We conducted the study according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. We performed a systematic search in the principal databases for studies that reported collection of salivary or plasmatic samples, with dosage of oxytocin in relation to sexual activity during induction of sexual arousal and orgasm. 414 articles were obtained. After duplicates removal and the application of pre exclusion criteria, 16 articles were considered eligible and 13 articles were included with a Cohen's k of 0.827. Most of the studies used sexual self-stimulation and collected plasmatic or salivary samples to measure oxytocin. The sexual arousal and orgasm were assessed based on subjective reports. The primary outcod by self-stimulation in which sexual fantasies play an important role, it should be possible to postulate for a role of the oxytocin in sexual desire. In particular, we hypothesize a complex role of the oxytocin in the modulation of sexual fantasies and thoughts that are relevant in the sexual desire and help to trigger genital and sexual arousal. Cera N, Vargas-Cáceres S, Oliveira C, et al. https://www.selleckchem.com/products/gsk650394.html How Relevant is the Systemic Oxytocin Concentration for Human Sexual Behavior? A Systematic Review. Sex Med 2021;9100370.0 Comments 0 Shares 0 Views 0 Reviews -
Furthermore, the calculated energy conversion efficiency of the K/P-20 film is 0.017%, which is comparable to the previous research result. This investigation shows great promise for PVDF-based nanocomposites in ferroelectric memory device applications.Inspired by the movement of bacteria and other microorganisms, researchers have developed artificial helical micro- and nanorobots that can perform corkscrew locomotion or helical path swimming under external energy actuation. https://www.selleckchem.com/products/nvp-bgt226.html In this paper, for the first time the locomotion of nonhelical multifunctional nanorobots that can swim in helical klinotactic trajectories, similarly to rod-shaped bacteria, under rotating magnetic fields is investigated. These nanorobots consist of a rigid ferromagnetic nickel head connected to a rhodium tail by a flexible hydrogel-based hollow hinge composed of chemically responsive chitosan and alginate multilayers. This design allows nanoswimmers switching between different dynamic behaviors-from in-plane tumbling to helical klinotactic swimming-by varying the rotating magnetic field frequency and strength. It also adds a rich spectrum of swimming capabilities that can be adjusted by varying the type of applied magnetic fields and/or frequencies. A theoretical model is developed to analyze the propulsion mechanisms and predict the swimming behavior at distinct rotating magnetic frequencies. The model shows good agreement with the experimental results. Additionally, the biomedical capabilities of the nanoswimmers as drug delivery platforms are demonstrated. Unlike previous designs constitute metallic segments, the proposed nanoswimmers can encapsulate drugs into their hollow hinge and successfully release them to cells.Nuclei and mitochondria are the only cellular organelles containing genes, which are specific targets for efficient cancer therapy. So far, several photosensitizers have been reported for mitochondria targeting, and another few have been reported for nuclei targeting. However, none have been reported for photosensitization in both mitochondria and nucleus, especially in cascade mode, which can significantly reduce the photosensitizers needed for maximal treatment effect. Herein, a light-driven, mitochondria-to-nucleus cascade dual organelle cancer cell ablation strategy is reported. A functionalized iridium complex, named BT-Ir, is designed as a photosensitizer, which targets mitochondria first for photosensitization and subsequently is translocated to a cell nucleus for continuous photodynamic cancer cell ablation. This strategy opens new opportunities for efficient photodynamic therapy.Cancer stem cells (CSCs) presumably contribute to tumor progression and drug resistance, yet their definitive features have remained elusive. Here, simultaneous measurement of telomere length and transcriptome in the same cells enables systematic assessment of CSCs in primary colorectal cancer (CRC). The in-depth transcriptome profiled by SMART-seq2 is independently validated by high-throughput scRNA-seq using 10 × Genomics. It is found that rare CSCs exist in dormant state and display plasticity toward cancer epithelial cells (EPCs) that essentially are presumptive tumor-initiating cells (TICs), while both retaining the prominent signaling pathways including WNT, TGF-β, and HIPPO/YAP. Moreover, CSCs exhibit chromosome copy number variation (CNV) pattern resembling cancer EPCs but distinct from normal stem cells, suggesting the phylogenetic relationship between CSCs and cancer EPCs. Notably, CSCs maintain shorter telomeres and possess minimal telomerase activity consistent with their nonproliferative nature, unlike cancer EPCs. Additionally, the specific signature of CSCs particularly NOTUM, SMOC2, BAMBI, PHLDA1, and TNFRSF19 correlates with the prognosis of CRC. These findings characterize the heterogeneity of CSCs and their linkage to cancer EPCs/TICs, some of which are conventionally regarded as CSCs.Single junction binary all-small-molecule (ASM) organic solar cells (OSCs) with power conversion efficiency (PCE) beyond 14% are achieved by using non-fullerene acceptor Y6 as the electron acceptor, but still lag behind that of polymer OSCs. Herein, an asymmetric Y6-like acceptor, BTP-FCl-FCl, is designed and synthesized to match the recently reported high performance small molecule donor BTR-Cl, and a record efficiency of 15.3% for single-junction binary ASM OSCs is achieved. BTP-FCl-FCl features a F,Cl disubstitution on the same end group affording locally asymmetric structures, and so has a lower total dipole moment, larger average electronic static potential, and lower distribution disorder than those of the globally asymmetric isomer BTP-2F-2Cl, resulting in improved charge generation and extraction. In addition, BTP-FCl-FCl based active layer presents more favorable domain size and finer phase separation contributing to the faster charge extraction, longer charge carrier lifetime, and **** lower recombination rate. Therefore, compared with BTP-2F-2Cl, BTP-FCl-FCl based devices provide better performance with FF enhanced from 71.41% to 75.36% and J sc increased from 22.35 to 24.58 mA cm-2, leading to a higher PCE of 15.3%. The locally asymmetric F, Cl disubstitution on the same end group is a new strategy to achieve high performance ASM OSCs.In recent years, stem cell-based models that reconstruct mouse and human embryogenesis have gained significant traction due to their near-physiological similarity to natural embryos. Embryo models can be generated in large numbers, provide accessibility to a variety of experimental tools such as genetic and chemical manipulation, and confer compatibility with automated readouts, which permits exciting experimental avenues for exploring the genetic and molecular principles of self-organization, development, and disease. However, the current embryo models recapitulate only snapshots within the continuum of embryonic development, allowing the progression of the embryonic tissues along a specific direction. Hence, to fully exploit the potential of stem cell-based embryo models, multiple important gaps in the developmental landscape need to be covered. These include recapitulating the lesser-explored interactions between embryonic and extraembryonic tissues such as the yolk sac, placenta, and the umbilical cord; spatial and temporal organization of tissues; and the anterior patterning of embryonic development.
Furthermore, the calculated energy conversion efficiency of the K/P-20 film is 0.017%, which is comparable to the previous research result. This investigation shows great promise for PVDF-based nanocomposites in ferroelectric memory device applications.Inspired by the movement of bacteria and other microorganisms, researchers have developed artificial helical micro- and nanorobots that can perform corkscrew locomotion or helical path swimming under external energy actuation. https://www.selleckchem.com/products/nvp-bgt226.html In this paper, for the first time the locomotion of nonhelical multifunctional nanorobots that can swim in helical klinotactic trajectories, similarly to rod-shaped bacteria, under rotating magnetic fields is investigated. These nanorobots consist of a rigid ferromagnetic nickel head connected to a rhodium tail by a flexible hydrogel-based hollow hinge composed of chemically responsive chitosan and alginate multilayers. This design allows nanoswimmers switching between different dynamic behaviors-from in-plane tumbling to helical klinotactic swimming-by varying the rotating magnetic field frequency and strength. It also adds a rich spectrum of swimming capabilities that can be adjusted by varying the type of applied magnetic fields and/or frequencies. A theoretical model is developed to analyze the propulsion mechanisms and predict the swimming behavior at distinct rotating magnetic frequencies. The model shows good agreement with the experimental results. Additionally, the biomedical capabilities of the nanoswimmers as drug delivery platforms are demonstrated. Unlike previous designs constitute metallic segments, the proposed nanoswimmers can encapsulate drugs into their hollow hinge and successfully release them to cells.Nuclei and mitochondria are the only cellular organelles containing genes, which are specific targets for efficient cancer therapy. So far, several photosensitizers have been reported for mitochondria targeting, and another few have been reported for nuclei targeting. However, none have been reported for photosensitization in both mitochondria and nucleus, especially in cascade mode, which can significantly reduce the photosensitizers needed for maximal treatment effect. Herein, a light-driven, mitochondria-to-nucleus cascade dual organelle cancer cell ablation strategy is reported. A functionalized iridium complex, named BT-Ir, is designed as a photosensitizer, which targets mitochondria first for photosensitization and subsequently is translocated to a cell nucleus for continuous photodynamic cancer cell ablation. This strategy opens new opportunities for efficient photodynamic therapy.Cancer stem cells (CSCs) presumably contribute to tumor progression and drug resistance, yet their definitive features have remained elusive. Here, simultaneous measurement of telomere length and transcriptome in the same cells enables systematic assessment of CSCs in primary colorectal cancer (CRC). The in-depth transcriptome profiled by SMART-seq2 is independently validated by high-throughput scRNA-seq using 10 × Genomics. It is found that rare CSCs exist in dormant state and display plasticity toward cancer epithelial cells (EPCs) that essentially are presumptive tumor-initiating cells (TICs), while both retaining the prominent signaling pathways including WNT, TGF-β, and HIPPO/YAP. Moreover, CSCs exhibit chromosome copy number variation (CNV) pattern resembling cancer EPCs but distinct from normal stem cells, suggesting the phylogenetic relationship between CSCs and cancer EPCs. Notably, CSCs maintain shorter telomeres and possess minimal telomerase activity consistent with their nonproliferative nature, unlike cancer EPCs. Additionally, the specific signature of CSCs particularly NOTUM, SMOC2, BAMBI, PHLDA1, and TNFRSF19 correlates with the prognosis of CRC. These findings characterize the heterogeneity of CSCs and their linkage to cancer EPCs/TICs, some of which are conventionally regarded as CSCs.Single junction binary all-small-molecule (ASM) organic solar cells (OSCs) with power conversion efficiency (PCE) beyond 14% are achieved by using non-fullerene acceptor Y6 as the electron acceptor, but still lag behind that of polymer OSCs. Herein, an asymmetric Y6-like acceptor, BTP-FCl-FCl, is designed and synthesized to match the recently reported high performance small molecule donor BTR-Cl, and a record efficiency of 15.3% for single-junction binary ASM OSCs is achieved. BTP-FCl-FCl features a F,Cl disubstitution on the same end group affording locally asymmetric structures, and so has a lower total dipole moment, larger average electronic static potential, and lower distribution disorder than those of the globally asymmetric isomer BTP-2F-2Cl, resulting in improved charge generation and extraction. In addition, BTP-FCl-FCl based active layer presents more favorable domain size and finer phase separation contributing to the faster charge extraction, longer charge carrier lifetime, and much lower recombination rate. Therefore, compared with BTP-2F-2Cl, BTP-FCl-FCl based devices provide better performance with FF enhanced from 71.41% to 75.36% and J sc increased from 22.35 to 24.58 mA cm-2, leading to a higher PCE of 15.3%. The locally asymmetric F, Cl disubstitution on the same end group is a new strategy to achieve high performance ASM OSCs.In recent years, stem cell-based models that reconstruct mouse and human embryogenesis have gained significant traction due to their near-physiological similarity to natural embryos. Embryo models can be generated in large numbers, provide accessibility to a variety of experimental tools such as genetic and chemical manipulation, and confer compatibility with automated readouts, which permits exciting experimental avenues for exploring the genetic and molecular principles of self-organization, development, and disease. However, the current embryo models recapitulate only snapshots within the continuum of embryonic development, allowing the progression of the embryonic tissues along a specific direction. Hence, to fully exploit the potential of stem cell-based embryo models, multiple important gaps in the developmental landscape need to be covered. These include recapitulating the lesser-explored interactions between embryonic and extraembryonic tissues such as the yolk sac, placenta, and the umbilical cord; spatial and temporal organization of tissues; and the anterior patterning of embryonic development.0 Comments 0 Shares 0 Views 0 Reviews -
Congenital diaphragmatic hernia (CDH) is one of the most common neonatal emergencies, and the ideal current therapy requires high standards of neonatal care and advanced facilities. However, majority of neonates born with CDH are treated in public sector hospitals, with limitations in resources and workforce.
The aim of the study was to review and analyze the outcome of operated neonates with isolated CDH in a public sector hospital and medical college where a standard protocol of management was followed, considering the need for optimization of therapy in view of the resource constraints.
A retrospective chart review and analysis of the antenatal, preoperative, operative, and postoperative records of all neonates with operated CDH during the 3-year period from June 2015 to June 2018 at the hospital was done. The standard institutional protocol being followed included preoperative stabilization, risk stratification for patient selection, early decision regarding operative intervention, and continued poslable facilities in a limited resources scenario.
Split renal function (SFR) and frusemide washout (FWO) are assessed by the DTPA renogram to measure the renal parenchymal functions as well as the evidence of obstruction, both for diagnosis and to treat the pelviureteric junction obstruction. In good number of renal units, both these parameters remain unaltered even after surgery and cause anguish to parents and referring physicians and are usually attributed toward "defective pyeloplasty." In this study, we have tried to single out the bona fide responsible factor for the bad outcome; either the nonreversible kidney or the restenosis of pyeloplasty.
We studied file of 69 patients in whom a double "J" (DJ) stent was left
for internal drainage for a duration of 8 weeks in the postoperative period. DTPA scans were performed preoperative, at 8 weeks with a stent in place, and at 12 and 24 months postremoval of the stent to assess renal function.
In our study, 45 patients (65.2%) showed improvement either in SRF or in FWO or in both after 8 weeks following pyeloplasty and 24 of 69 units (34.8%) did not show any change in renal function with DJ stent in place. Only in six units (8.7%), out of 69 units had deterioration of renal function after removal of DJ stent.
In our opinion, no improvement of renal function found in 24 units (34.8%) even with internal drainage with DJ indicates irreversible renal damage. In 45 units (65.2%), renal function reversed after pyeloplasty and DJ stent. However, after the removal of the DJ, functions deteriorated in six units (8.7%) due to restenosis following pyeloplasties.
In our opinion, no improvement of renal function found in 24 units (34.8%) even with internal drainage with DJ indicates irreversible renal damage. In 45 units (65.2%), renal function reversed after pyeloplasty and DJ stent. However, after the removal of the DJ, functions deteriorated in six units (8.7%) due to restenosis following pyeloplasties.
The objective was to identify, analyze, and categorize the characteristics (the type of article, country of origin, institution, authorship, topic, and the number of citations) of the articles published in the Journal of Indian Association of Pediatric Surgeons (JIAPS) from 2008 to 2017, with particular focus on the top ten-cited articles.
The above characteristics of the individual articles were tabulated in the Microsoft Excel
sheet. The number of citations of an article was obtained from three databases (CrosssRef, MEDLINE, and Google Scholar). A final tally was obtained after removing common entries in the databases.
The total number of articles published was 613. There were 255 case reports, 209 original articles and review articles, and 149 brief communications. https://www.selleckchem.com/products/U0126.html The top five countries of origin of the articles were India, United Kingdom (UK), Turkey, Iran, and Saudi Arabia, with 526, 14, 9, 7, and 6 articles, respectively. The institution, authorship, and topics of the top ten-cited articles were noted.
Case reports are the most common type of articles published in JIAPS. Most of the articles originated from India, followed by the UK and middle-east countries. This analysis may provide insights to the editorial board and the members of IAPS about the trend of research and publications among the pediatric surgeons of India.
Case reports are the most common type of articles published in JIAPS. Most of the articles originated from India, followed by the UK and middle-east countries. This analysis may provide insights to the editorial board and the members of IAPS about the trend of research and publications among the pediatric surgeons of India.
Hirschsprung's disease (HD) has been traditionally treated from infancy onward and different techniques have been used including Swenson, Soave, and Duhamel procedures. The purpose of this study was to evaluate the transanal Swenson's procedure for classical rectosigmoid HD in neonates.
This was a prospective study in which neonates diagnosed with HD were recruited from January 2017 to December 2018. Cases with a transition zone proximal to the midsigmoid were excluded. All patients underwent a transanal Swenson's procedure in the neonatal period using a unified protocol. Intraoperative course and postoperative outcomes such as leak, pelvic abscess, soiling, perianal excoriation, stricture, enterocolitis, and constipation were evaluated and all patients were followed for at least 6 months.
Twenty-three patients (17 males and 6 females) underwent transanal Swenson's procedure. The mean age was 22 ± 5.7 days. Follow-up ranged from 6 to 30 months. No anastomotic leak, retraction, or prolapse was reported. Mild perianal excoriations occurred early in 9 (39%) cases and all responded to medical treatment and disappeared before 2 months postoperatively. Stricture occurred in 2 (8%) patients, enterocolitis in 3 (13%), and constipation in 3 (13%).
Transanal Swenson's procedure is feasible and can be performed safely in neonates with rectosigmoid HD with good short-term outcomes. Proper patient selection and standard protocol following fine procedural hall-marks and details are keys for optimal results and patient satisfaction.
Transanal Swenson's procedure is feasible and can be performed safely in neonates with rectosigmoid HD with good short-term outcomes. Proper patient selection and standard protocol following fine procedural hall-marks and details are keys for optimal results and patient satisfaction.
Congenital diaphragmatic hernia (CDH) is one of the most common neonatal emergencies, and the ideal current therapy requires high standards of neonatal care and advanced facilities. However, majority of neonates born with CDH are treated in public sector hospitals, with limitations in resources and workforce. The aim of the study was to review and analyze the outcome of operated neonates with isolated CDH in a public sector hospital and medical college where a standard protocol of management was followed, considering the need for optimization of therapy in view of the resource constraints. A retrospective chart review and analysis of the antenatal, preoperative, operative, and postoperative records of all neonates with operated CDH during the 3-year period from June 2015 to June 2018 at the hospital was done. The standard institutional protocol being followed included preoperative stabilization, risk stratification for patient selection, early decision regarding operative intervention, and continued poslable facilities in a limited resources scenario. Split renal function (SFR) and frusemide washout (FWO) are assessed by the DTPA renogram to measure the renal parenchymal functions as well as the evidence of obstruction, both for diagnosis and to treat the pelviureteric junction obstruction. In good number of renal units, both these parameters remain unaltered even after surgery and cause anguish to parents and referring physicians and are usually attributed toward "defective pyeloplasty." In this study, we have tried to single out the bona fide responsible factor for the bad outcome; either the nonreversible kidney or the restenosis of pyeloplasty. We studied file of 69 patients in whom a double "J" (DJ) stent was left for internal drainage for a duration of 8 weeks in the postoperative period. DTPA scans were performed preoperative, at 8 weeks with a stent in place, and at 12 and 24 months postremoval of the stent to assess renal function. In our study, 45 patients (65.2%) showed improvement either in SRF or in FWO or in both after 8 weeks following pyeloplasty and 24 of 69 units (34.8%) did not show any change in renal function with DJ stent in place. Only in six units (8.7%), out of 69 units had deterioration of renal function after removal of DJ stent. In our opinion, no improvement of renal function found in 24 units (34.8%) even with internal drainage with DJ indicates irreversible renal damage. In 45 units (65.2%), renal function reversed after pyeloplasty and DJ stent. However, after the removal of the DJ, functions deteriorated in six units (8.7%) due to restenosis following pyeloplasties. In our opinion, no improvement of renal function found in 24 units (34.8%) even with internal drainage with DJ indicates irreversible renal damage. In 45 units (65.2%), renal function reversed after pyeloplasty and DJ stent. However, after the removal of the DJ, functions deteriorated in six units (8.7%) due to restenosis following pyeloplasties. The objective was to identify, analyze, and categorize the characteristics (the type of article, country of origin, institution, authorship, topic, and the number of citations) of the articles published in the Journal of Indian Association of Pediatric Surgeons (JIAPS) from 2008 to 2017, with particular focus on the top ten-cited articles. The above characteristics of the individual articles were tabulated in the Microsoft Excel sheet. The number of citations of an article was obtained from three databases (CrosssRef, MEDLINE, and Google Scholar). A final tally was obtained after removing common entries in the databases. The total number of articles published was 613. There were 255 case reports, 209 original articles and review articles, and 149 brief communications. https://www.selleckchem.com/products/U0126.html The top five countries of origin of the articles were India, United Kingdom (UK), Turkey, Iran, and Saudi Arabia, with 526, 14, 9, 7, and 6 articles, respectively. The institution, authorship, and topics of the top ten-cited articles were noted. Case reports are the most common type of articles published in JIAPS. Most of the articles originated from India, followed by the UK and middle-east countries. This analysis may provide insights to the editorial board and the members of IAPS about the trend of research and publications among the pediatric surgeons of India. Case reports are the most common type of articles published in JIAPS. Most of the articles originated from India, followed by the UK and middle-east countries. This analysis may provide insights to the editorial board and the members of IAPS about the trend of research and publications among the pediatric surgeons of India. Hirschsprung's disease (HD) has been traditionally treated from infancy onward and different techniques have been used including Swenson, Soave, and Duhamel procedures. The purpose of this study was to evaluate the transanal Swenson's procedure for classical rectosigmoid HD in neonates. This was a prospective study in which neonates diagnosed with HD were recruited from January 2017 to December 2018. Cases with a transition zone proximal to the midsigmoid were excluded. All patients underwent a transanal Swenson's procedure in the neonatal period using a unified protocol. Intraoperative course and postoperative outcomes such as leak, pelvic abscess, soiling, perianal excoriation, stricture, enterocolitis, and constipation were evaluated and all patients were followed for at least 6 months. Twenty-three patients (17 males and 6 females) underwent transanal Swenson's procedure. The mean age was 22 ± 5.7 days. Follow-up ranged from 6 to 30 months. No anastomotic leak, retraction, or prolapse was reported. Mild perianal excoriations occurred early in 9 (39%) cases and all responded to medical treatment and disappeared before 2 months postoperatively. Stricture occurred in 2 (8%) patients, enterocolitis in 3 (13%), and constipation in 3 (13%). Transanal Swenson's procedure is feasible and can be performed safely in neonates with rectosigmoid HD with good short-term outcomes. Proper patient selection and standard protocol following fine procedural hall-marks and details are keys for optimal results and patient satisfaction. Transanal Swenson's procedure is feasible and can be performed safely in neonates with rectosigmoid HD with good short-term outcomes. Proper patient selection and standard protocol following fine procedural hall-marks and details are keys for optimal results and patient satisfaction.0 Comments 0 Shares 0 Views 0 Reviews -
In infants and toddlers, the identification of subdural fluid collections on neuroimaging warrants inclusion of AHT in the differential diagnosis. However, in infants with a history of congenital macrocephaly, and an otherwise negative AHT workup, an accidental mechanism for the formation of subdural collections should be considered, especially when co-occurring with an arachnoid cyst.
In infants and toddlers, the identification of subdural fluid collections on neuroimaging warrants inclusion of AHT in the differential diagnosis. However, in infants with a history of congenital macrocephaly, and an otherwise negative AHT workup, an accidental mechanism for the formation of subdural collections should be considered, especially when co-occurring with an arachnoid cyst.Recent insights suggest that the osteochondral interface plays a central role in maintaining healthy articulating joints. Uncovering the underlying transport mechanisms is key to the understanding of the cross-talk between articular cartilage and subchondral bone. Here, we describe the mechanisms that facilitate transport at the osteochondral interface. Using scanning electron microscopy (SEM), we found a continuous transition of mineralization architecture from the non-calcified cartilage towards the calcified cartilage. This refurbishes the classical picture of the so-called tidemark; a well-defined discontinuity at the osteochondral interface. Using focused-ion-beam SEM (FIB-SEM) on one osteochondral plug derived from a human cadaveric knee, we elucidated that the pore structure gradually varies from the calcified cartilage towards the subchondral bone plate. We identified nano-pores with radius of 10.71 ± 6.45 nm in calcified cartilage to 39.1 ± 26.17 nm in the subchondral bone plate. The extracted pore sizes were used to construct 3D pore-scale numerical models to explore the effect of pore sizes and connectivity among different pores. Results indicated that connectivity of nano-pores in calcified cartilage is highly compromised compared to the subchondral bone plate. Flow simulations showed a permeability decrease by about 2000-fold and solute transport simulations using a tracer (iodixanol, 1.5 kDa with a free diffusivity of 2.5 × 10-10 m2/s) showed diffusivity decrease by a factor of 1.5. Taken together, architecture of the nano-pores and the complex mineralization pattern in the osteochondral interface considerably impacts the cross-talk between cartilage and bone.Shear-mediated platelet activation (SMPA) in the "free flow" is the net result of a range of cell mechanobiological mechanisms. Previously, we outlined three main groups of mechanisms including 1) mechano-destruction - i.e. additive platelet (membrane) damage; 2) mechano-activation - i.e. activation of shear-sensitive ion channels and pores; and 3) mechano-transduction - i.e. "outside-in" signaling via a range of transducers. Here, we report on recent advances since our original report which describes additional features of SMPA. A clear "signature" of SMPA has been defined, allowing differentiation from biochemically-mediated activation. Notably, SMPA is characterized by mitochondrial dysfunction, platelet membrane eversion, externalization of anionic phospholipids, and increased thrombin generation on the platelet surface. However, SMPA does not lead to integrin αIIbβ3 activation or P-selectin exposure due to platelet degranulation, as is commonly observed in biochemical activation. Rather, downregulation odiovascular therapeutic devices.
Background and Objective Recent studies in deep learning reveal that the U-Net stands out among the diverse set of deep models as an effective network structure, especially for imaging inverse problems. Initially, the U-Net model was developed to solve segmentation problems for biomedical images while using an annotated dataset. In this paper, we will study a novel application of the U-Net structure for the important inverse problem of MRI reconstruction. Deep networks are particularly efficient for the speed-up of the MR image reconstruction process by decreasing the data acquisition time, and they can significantly reduce the aliasing artifacts caused by the undersampling in the k-space. Our aim is to develop a novel and efficient cascaded U-Net framework for reconstructing MR images from undersampled k-space data. The new framework should have improved reconstruction performance when compared to competing methodologies.
In this paper, a novel cascaded framework utilizing the U-Net as a sub-block is beibaseline reconstruction method from the fastMRI package. https://www.selleckchem.com/products/mptp-hydrochloride.html The use of the projection-based updated data consistency layer also leads to improved quantitative (including SSIM, PSNR, and NMSE results) and qualitative results when compared to the use of the conventional data consistency layer.
The proposed cascaded U-Net configuration results in an improved reconstruction performance when compared to the CNN, the cascaded CNN, and also the singular U-Net structures, where the singular U-Net forms the baseline reconstruction method from the fastMRI package. The use of the projection-based updated data consistency layer also leads to improved quantitative (including SSIM, PSNR, and NMSE results) and qualitative results when compared to the use of the conventional data consistency layer.
Association rule mining has been adopted to medical fields to discover prescribing patterns or relationships among diseases and/or medications; however, it has generated unreasonable associations among these entities. This study aims to identify the real-world profile of disease-medication (DM) associations using the modified mining algorithm and assess its performance in reducing DM pseudo-associations.
We retrieved data from outpatient records between January 2011 and December 2015 in claims databases maintained by the Health and Welfare Data Science Center, Ministry of Health and Welfare, Taiwan. The association rule mining's lift (Q-value) was adopted to quantify DM associations, referred to as Q
for the original algorithm and as Q
for the modified algorithm. One thousand DM pairs with positive Q
-values (Q
) and negative or no Q
-values (Q
or Q
) were selected as the validation dataset, in which two pharmacists assessed the DM associations.
A total of 3,120,449 unique DM pairs were identified, of which there were 333,347 Q
Q
pairs and 429,931 Q
Q
pairs.
In infants and toddlers, the identification of subdural fluid collections on neuroimaging warrants inclusion of AHT in the differential diagnosis. However, in infants with a history of congenital macrocephaly, and an otherwise negative AHT workup, an accidental mechanism for the formation of subdural collections should be considered, especially when co-occurring with an arachnoid cyst. In infants and toddlers, the identification of subdural fluid collections on neuroimaging warrants inclusion of AHT in the differential diagnosis. However, in infants with a history of congenital macrocephaly, and an otherwise negative AHT workup, an accidental mechanism for the formation of subdural collections should be considered, especially when co-occurring with an arachnoid cyst.Recent insights suggest that the osteochondral interface plays a central role in maintaining healthy articulating joints. Uncovering the underlying transport mechanisms is key to the understanding of the cross-talk between articular cartilage and subchondral bone. Here, we describe the mechanisms that facilitate transport at the osteochondral interface. Using scanning electron microscopy (SEM), we found a continuous transition of mineralization architecture from the non-calcified cartilage towards the calcified cartilage. This refurbishes the classical picture of the so-called tidemark; a well-defined discontinuity at the osteochondral interface. Using focused-ion-beam SEM (FIB-SEM) on one osteochondral plug derived from a human cadaveric knee, we elucidated that the pore structure gradually varies from the calcified cartilage towards the subchondral bone plate. We identified nano-pores with radius of 10.71 ± 6.45 nm in calcified cartilage to 39.1 ± 26.17 nm in the subchondral bone plate. The extracted pore sizes were used to construct 3D pore-scale numerical models to explore the effect of pore sizes and connectivity among different pores. Results indicated that connectivity of nano-pores in calcified cartilage is highly compromised compared to the subchondral bone plate. Flow simulations showed a permeability decrease by about 2000-fold and solute transport simulations using a tracer (iodixanol, 1.5 kDa with a free diffusivity of 2.5 × 10-10 m2/s) showed diffusivity decrease by a factor of 1.5. Taken together, architecture of the nano-pores and the complex mineralization pattern in the osteochondral interface considerably impacts the cross-talk between cartilage and bone.Shear-mediated platelet activation (SMPA) in the "free flow" is the net result of a range of cell mechanobiological mechanisms. Previously, we outlined three main groups of mechanisms including 1) mechano-destruction - i.e. additive platelet (membrane) damage; 2) mechano-activation - i.e. activation of shear-sensitive ion channels and pores; and 3) mechano-transduction - i.e. "outside-in" signaling via a range of transducers. Here, we report on recent advances since our original report which describes additional features of SMPA. A clear "signature" of SMPA has been defined, allowing differentiation from biochemically-mediated activation. Notably, SMPA is characterized by mitochondrial dysfunction, platelet membrane eversion, externalization of anionic phospholipids, and increased thrombin generation on the platelet surface. However, SMPA does not lead to integrin αIIbβ3 activation or P-selectin exposure due to platelet degranulation, as is commonly observed in biochemical activation. Rather, downregulation odiovascular therapeutic devices. Background and Objective Recent studies in deep learning reveal that the U-Net stands out among the diverse set of deep models as an effective network structure, especially for imaging inverse problems. Initially, the U-Net model was developed to solve segmentation problems for biomedical images while using an annotated dataset. In this paper, we will study a novel application of the U-Net structure for the important inverse problem of MRI reconstruction. Deep networks are particularly efficient for the speed-up of the MR image reconstruction process by decreasing the data acquisition time, and they can significantly reduce the aliasing artifacts caused by the undersampling in the k-space. Our aim is to develop a novel and efficient cascaded U-Net framework for reconstructing MR images from undersampled k-space data. The new framework should have improved reconstruction performance when compared to competing methodologies. In this paper, a novel cascaded framework utilizing the U-Net as a sub-block is beibaseline reconstruction method from the fastMRI package. https://www.selleckchem.com/products/mptp-hydrochloride.html The use of the projection-based updated data consistency layer also leads to improved quantitative (including SSIM, PSNR, and NMSE results) and qualitative results when compared to the use of the conventional data consistency layer. The proposed cascaded U-Net configuration results in an improved reconstruction performance when compared to the CNN, the cascaded CNN, and also the singular U-Net structures, where the singular U-Net forms the baseline reconstruction method from the fastMRI package. The use of the projection-based updated data consistency layer also leads to improved quantitative (including SSIM, PSNR, and NMSE results) and qualitative results when compared to the use of the conventional data consistency layer. Association rule mining has been adopted to medical fields to discover prescribing patterns or relationships among diseases and/or medications; however, it has generated unreasonable associations among these entities. This study aims to identify the real-world profile of disease-medication (DM) associations using the modified mining algorithm and assess its performance in reducing DM pseudo-associations. We retrieved data from outpatient records between January 2011 and December 2015 in claims databases maintained by the Health and Welfare Data Science Center, Ministry of Health and Welfare, Taiwan. The association rule mining's lift (Q-value) was adopted to quantify DM associations, referred to as Q for the original algorithm and as Q for the modified algorithm. One thousand DM pairs with positive Q -values (Q ) and negative or no Q -values (Q or Q ) were selected as the validation dataset, in which two pharmacists assessed the DM associations. A total of 3,120,449 unique DM pairs were identified, of which there were 333,347 Q Q pairs and 429,931 Q Q pairs.0 Comments 0 Shares 0 Views 0 Reviews -
One metabolic equivalent (MET) is equal to resting oxygen consumption. The average value for one MET in humans is widely quoted as 3.5ml/kg/min. However this value was derived from a single male participant at the end of the nineteenth century and has become canonical. Several small studies have identified varied estimates of one MET from widely varying populations. The ability of a patient to complete 4 METS (or 14mls/kg/min) is considered an indicator of their fitness to proceed to surgery.
The study aimed to define a typical value of one MET from a real-world patient population, as well as determine factors that influenced the value.
A database of cardiopulmonary exercise tests (CPET) tests was interrogated to find total of 1847 adult patients who had undergone CPET testing in the previous 10 years. From this database, estimates of oxygen consumption (VO
) at rest and at the anaerobic threshold and a number of other variables were obtained. The influence of age, body mass index (BMI), sex and the use of beta blockers was tested.
The median resting VO
at rest was 3.6ml/kg/min (IQR 3.0-4.2). Neither sex nor age greater than 65 years nor the use of beta blockers produced a significant difference in resting VO
, while those with a BMI greater than 25 had a significantly lower VO
at rest (3.4ml/kg/min vs 4.0ml/kg/min, p <0.001).
The estimate of 3.6ml/kg/min for resting VO
presented here is consistent with the previous literature, despite this being the first large study of its kind. This estimate can be safely used for pre-operative risk stratification. This article is protected by copyright. All rights reserved.
The estimate of 3.6ml/kg/min for resting VO2 presented here is consistent with the previous literature, despite this being the first large study of its kind. This estimate can be safely used for pre-operative risk stratification. This article is protected by copyright. All rights reserved.This study analysed whether Situation-Background-Assessment-Recommendation (SBAR) simulation, which uses a flipped learning method, improves undergraduate nursing students' academic performance and core competencies when applied in the mental health nursing practicum, as compared with traditional in-person simulations. To this end, a retrospective survey was employed. A group of 37 students who participated in the flipped learning-based SBAR simulation practicum was compared with a group of 37 students who participated in the practicum using a traditional learning method, in terms of their academic performance and core competencies. The 90-h practicum included four three-hour SBAR simulation sessions. Students were assessed at baseline, immediately after the two-week practicum, and four weeks later. The effects of group, time, and group-by-time interactions between the groups were verified using generalized estimating equations with an autoregressive correlation structure. Data were collected between March and July 2017, in South Korea. The results indicated that SBAR simulation significantly improved nursing students' communication performance compared with the traditional learning method. The clinical practicum based on SBAR improved core competencies at the post-practicum and four weeks later. In conclusion, the application of the flipped learning-based SBAR simulation can improve nursing students' communication skills and can be utilized as an effective teaching method to promote higher order competencies to apply, analyse, and evaluate knowledge beyond simple understanding and information recall. This study has addressed how academic performance and core competencies in nursing can be improved through SBAR simulation using a flipped learning method and shown its positive impact on nursing students' communication skills and higher order competencies.
Rheumatoid arthritis (RA) is a common autoimmune disease where methotrexate is widely used as first-line therapy. The combination of RA and methotrexate are associated with lymphoproliferative disorders. RA patients with Epstein-Barr virus (EBV) have impaired T-lymphocyte function, thus allowing an overgrowth of EBV-positive lymphoblastoid cells. We examined the association of EBV with lymphoproliferative disorders in immunosuppressed RA patients, particularly those treated with methotrexate.
We reported two cases of RA patient with long-term methotrexate treatment who subsequently developed EBV-positive lymphoproliferative disorder, followed by a review of the relevant literature.
Compared with normal population, RA patients have a higher risk of lymphoma with diffused large B-cell lymphoma the most common subtype. Methotrexate withdrawal can lead to lymphoma regression. Other biological therapies, such as abatacept and tocilizumab, are not associated with increased EBV-positive lymphoma diagnosis in RA patients.
The association between EBV, lymphoma and methotrexate highlight the need to consider reducing or stopping methotrexate in patients that have had stable RA for many years. https://www.selleckchem.com/products/iwr-1-endo.html This article is protected by copyright. All rights reserved.
The association between EBV, lymphoma and methotrexate highlight the need to consider reducing or stopping methotrexate in patients that have had stable RA for many years. This article is protected by copyright. All rights reserved.
Psoriasis, a chronic inflammatory skin disease, is associated with altered intestinal microbiota. Here, we investigated the ameliorative effect of Leuconostoc mesenteroides NTM048 strain in imiquimod (IMQ)-induced psoriasis in ****.
**** were administered NTM048 for 21days alongside the topical application of IMQ on the dorsal skin for 6 consecutive days. IMQ induced psoriatic symptoms such as erythema and scaling and also upregulated interleukin (IL)-17, a key effector cytokine of psoriasis, in the skin. Supplemental NTM048 suppressed these abnormalities, increased the levels of plasma deoxycholic acid (DCA), a secondary bile acid and altered the faecal microbiota composition, as indicated by the increased abundance of Akkermansia and decreased abundance of Staphylococcus and Streptococcus. Notably, DCA treatment of murine splenocytes reduced IL-17 production.
The NTM048-mediated reduction of psoriasis was shown to involve the downregulation of IL-17 in mouse skin, which was possibly associated with the plasma DCA derived from intestinal microbiota.
One metabolic equivalent (MET) is equal to resting oxygen consumption. The average value for one MET in humans is widely quoted as 3.5ml/kg/min. However this value was derived from a single male participant at the end of the nineteenth century and has become canonical. Several small studies have identified varied estimates of one MET from widely varying populations. The ability of a patient to complete 4 METS (or 14mls/kg/min) is considered an indicator of their fitness to proceed to surgery. The study aimed to define a typical value of one MET from a real-world patient population, as well as determine factors that influenced the value. A database of cardiopulmonary exercise tests (CPET) tests was interrogated to find total of 1847 adult patients who had undergone CPET testing in the previous 10 years. From this database, estimates of oxygen consumption (VO ) at rest and at the anaerobic threshold and a number of other variables were obtained. The influence of age, body mass index (BMI), sex and the use of beta blockers was tested. The median resting VO at rest was 3.6ml/kg/min (IQR 3.0-4.2). Neither sex nor age greater than 65 years nor the use of beta blockers produced a significant difference in resting VO , while those with a BMI greater than 25 had a significantly lower VO at rest (3.4ml/kg/min vs 4.0ml/kg/min, p <0.001). The estimate of 3.6ml/kg/min for resting VO presented here is consistent with the previous literature, despite this being the first large study of its kind. This estimate can be safely used for pre-operative risk stratification. This article is protected by copyright. All rights reserved. The estimate of 3.6ml/kg/min for resting VO2 presented here is consistent with the previous literature, despite this being the first large study of its kind. This estimate can be safely used for pre-operative risk stratification. This article is protected by copyright. All rights reserved.This study analysed whether Situation-Background-Assessment-Recommendation (SBAR) simulation, which uses a flipped learning method, improves undergraduate nursing students' academic performance and core competencies when applied in the mental health nursing practicum, as compared with traditional in-person simulations. To this end, a retrospective survey was employed. A group of 37 students who participated in the flipped learning-based SBAR simulation practicum was compared with a group of 37 students who participated in the practicum using a traditional learning method, in terms of their academic performance and core competencies. The 90-h practicum included four three-hour SBAR simulation sessions. Students were assessed at baseline, immediately after the two-week practicum, and four weeks later. The effects of group, time, and group-by-time interactions between the groups were verified using generalized estimating equations with an autoregressive correlation structure. Data were collected between March and July 2017, in South Korea. The results indicated that SBAR simulation significantly improved nursing students' communication performance compared with the traditional learning method. The clinical practicum based on SBAR improved core competencies at the post-practicum and four weeks later. In conclusion, the application of the flipped learning-based SBAR simulation can improve nursing students' communication skills and can be utilized as an effective teaching method to promote higher order competencies to apply, analyse, and evaluate knowledge beyond simple understanding and information recall. This study has addressed how academic performance and core competencies in nursing can be improved through SBAR simulation using a flipped learning method and shown its positive impact on nursing students' communication skills and higher order competencies. Rheumatoid arthritis (RA) is a common autoimmune disease where methotrexate is widely used as first-line therapy. The combination of RA and methotrexate are associated with lymphoproliferative disorders. RA patients with Epstein-Barr virus (EBV) have impaired T-lymphocyte function, thus allowing an overgrowth of EBV-positive lymphoblastoid cells. We examined the association of EBV with lymphoproliferative disorders in immunosuppressed RA patients, particularly those treated with methotrexate. We reported two cases of RA patient with long-term methotrexate treatment who subsequently developed EBV-positive lymphoproliferative disorder, followed by a review of the relevant literature. Compared with normal population, RA patients have a higher risk of lymphoma with diffused large B-cell lymphoma the most common subtype. Methotrexate withdrawal can lead to lymphoma regression. Other biological therapies, such as abatacept and tocilizumab, are not associated with increased EBV-positive lymphoma diagnosis in RA patients. The association between EBV, lymphoma and methotrexate highlight the need to consider reducing or stopping methotrexate in patients that have had stable RA for many years. https://www.selleckchem.com/products/iwr-1-endo.html This article is protected by copyright. All rights reserved. The association between EBV, lymphoma and methotrexate highlight the need to consider reducing or stopping methotrexate in patients that have had stable RA for many years. This article is protected by copyright. All rights reserved. Psoriasis, a chronic inflammatory skin disease, is associated with altered intestinal microbiota. Here, we investigated the ameliorative effect of Leuconostoc mesenteroides NTM048 strain in imiquimod (IMQ)-induced psoriasis in mice. Mice were administered NTM048 for 21days alongside the topical application of IMQ on the dorsal skin for 6 consecutive days. IMQ induced psoriatic symptoms such as erythema and scaling and also upregulated interleukin (IL)-17, a key effector cytokine of psoriasis, in the skin. Supplemental NTM048 suppressed these abnormalities, increased the levels of plasma deoxycholic acid (DCA), a secondary bile acid and altered the faecal microbiota composition, as indicated by the increased abundance of Akkermansia and decreased abundance of Staphylococcus and Streptococcus. Notably, DCA treatment of murine splenocytes reduced IL-17 production. The NTM048-mediated reduction of psoriasis was shown to involve the downregulation of IL-17 in mouse skin, which was possibly associated with the plasma DCA derived from intestinal microbiota.0 Comments 0 Shares 0 Views 0 Reviews -
The importance of health-related quality of life and its determinants including physical, emotional, and functional domains has long been recognized among blood cancer patients in the developed world but this concept is still in infancy in developing countries, including Pakistan. The objective of the study was to assess health related quality of life among blood cancer patients. A descriptive cross-sectional study design was used. A pre-validated questionnaire that is EORTC-QLQ-C30 was self-administered to a sample of 400 blood cancer patients selected using convenience sampling technique. After data collection, data was cleaned, coded, and entered in SPSS. Descriptive statistics comprising of frequency and percentages were calculated. Non-parametric tests Kruskal Wallis and Mann Whitney tests (P ≤ .05) were performed to find out the differences among different variables. The results highlighted that lowest scores for EORTC-QLQ-C30 were observed in the domain of emotional functioning (3.38, ±35.790), followed by cognitive function (4.56, ±30.368) whereas highest scores were observed in the domain of physical functioning (40.92, ±35.484). Significant difference (P ≤ .05) was observed among different domains of health-related quality of life of blood cancer patients treated in different sectors, provinces, setting, gender, and with different comorbidities. The present study concluded that blood cancer patients had poor health related quality of life in Pakistan. Emotional functioning and cognitive function were the most compromised health related quality of life domains among blood cancer patients. Females having blood cancer, those patients treated in private sector healthcare facilities, patients residing in tribal and rural setting had relatively better health related quality of life. No appropriate psychosocial care program for the blood cancer patients are available in Pakistan.The gastrointestinal (GI) involvement, including acute pancreatitis (AP) from the novel coronavirus disease-2019 (COVID-19), is increasingly being reported. Recent evidence suggests that the pathogenesis of COVID-19 is mediated by the angiotensin-converting enzyme 2 (ACE-2) receptors and transmembrane protease serine 2 (TMPRSS2) for "priming," which is highly expressed in the pancreas. To our knowledge, there is no other reported case of AP associated with COVID-19 after the respiratory symptoms are resolved. In this article, we present a patient with COVID-19, who came with intractable epigastric pain and resolved respiratory symptoms. A diagnosis of AP complicated with COVID-19 was made after laboratory and imaging workup, which was successfully managed conservatively.
Plication of the diaphragm is a life-changing procedure for patients affected by diaphragm paralysis. Traditionally, this procedure is performed through a thoracotomy. Access to the diaphragm via this incision is poor and the indications for surgery are limited to patients who can actually sustain such an invasive approach and associated morbidities. A minimally invasive approach was developed to improve the surgical management of diaphragm paralysis.
Patients underwent minimally invasive diaphragm plication either by video-assisted or robotic surgery through a 3-port technique with CO
insufflation. Patients were followed at the routine 6-week clinic and also by telephone consultation 6 to 12 months postoperatively. Data were collected on postoperative complications, postoperative pain or numbness, symptomatic improvement, and change to quality of life following surgery.
Forty-eight patients underwent 49 minimally invasive diaphragm plication. Median postoperative length of hospital stay was 4 days (range 2 to 34 days) and there were no cases of mortality. Mean reduction in Medical Research Council dyspnea score per patient was 2.2 points (mode 3 points). Twenty-eight patients (77.8%) reported a significant symptomatic improvement enabling improvements in quality of life, and 97.2% (
= 35) were satisfied with the surgical outcome.
Minimally invasive diaphragm plication is a safe procedure associated with prompt postoperative recovery. It is effective at reducing debilitating dyspnea and improving quality of life.
Minimally invasive diaphragm plication is a safe procedure associated with prompt postoperative recovery. It is effective at reducing debilitating dyspnea and improving quality of life.Consistent with a therapeutic jurisprudence framework, court decisions and processes can have a therapeutic or antitherapeutic effect on intimate partner violence (IPV) victims. To maximize therapeutic effects, IPV scholars have advocated for survivor-defined practices that emphasize the importance of engaging with victims in a collaborative manner that promotes autonomy, choice, and control. However, limited research exists in the context of criminal protection orders (POs). The current study addressed this gap by assessing whether criminal PO match (whether victims received the level PO they requested [i.e., PO match] or not [i.e., PO mismatch]) and victims' subjective experiences of the court process were associated with their willingness to use the system in the future to address IPV. In a sample of 187 women whose partners were arrested for IPV, experiencing the court processes as positive (β = .36, p = .001) and court-related fear (β = .41, p less then .001) were positively associated with willingness to use the system in the future. https://www.selleckchem.com/products/SP600125.html Additionally, PO match moderated the association between subjective court experiences and willingness to use the system in the future. Experiencing the court processes as negative (b = .33, p = .005) and validating (b = -.36, p = .001) was associated with willingness to use the system in the future only for participants who did not receive the PO level they requested. While experiencing the court as positive (b = -.40, p ≤ .001) was associated with willingness to use the system regardless of PO match, it was most strongly associated for participants who did not receive the PO level they requested. Results suggest the importance of ascertaining strategies to improve victims' experiences with the court, especially when victims' requests are not met, to increase future engagement with the system.
The importance of health-related quality of life and its determinants including physical, emotional, and functional domains has long been recognized among blood cancer patients in the developed world but this concept is still in infancy in developing countries, including Pakistan. The objective of the study was to assess health related quality of life among blood cancer patients. A descriptive cross-sectional study design was used. A pre-validated questionnaire that is EORTC-QLQ-C30 was self-administered to a sample of 400 blood cancer patients selected using convenience sampling technique. After data collection, data was cleaned, coded, and entered in SPSS. Descriptive statistics comprising of frequency and percentages were calculated. Non-parametric tests Kruskal Wallis and Mann Whitney tests (P ≤ .05) were performed to find out the differences among different variables. The results highlighted that lowest scores for EORTC-QLQ-C30 were observed in the domain of emotional functioning (3.38, ±35.790), followed by cognitive function (4.56, ±30.368) whereas highest scores were observed in the domain of physical functioning (40.92, ±35.484). Significant difference (P ≤ .05) was observed among different domains of health-related quality of life of blood cancer patients treated in different sectors, provinces, setting, gender, and with different comorbidities. The present study concluded that blood cancer patients had poor health related quality of life in Pakistan. Emotional functioning and cognitive function were the most compromised health related quality of life domains among blood cancer patients. Females having blood cancer, those patients treated in private sector healthcare facilities, patients residing in tribal and rural setting had relatively better health related quality of life. No appropriate psychosocial care program for the blood cancer patients are available in Pakistan.The gastrointestinal (GI) involvement, including acute pancreatitis (AP) from the novel coronavirus disease-2019 (COVID-19), is increasingly being reported. Recent evidence suggests that the pathogenesis of COVID-19 is mediated by the angiotensin-converting enzyme 2 (ACE-2) receptors and transmembrane protease serine 2 (TMPRSS2) for "priming," which is highly expressed in the pancreas. To our knowledge, there is no other reported case of AP associated with COVID-19 after the respiratory symptoms are resolved. In this article, we present a patient with COVID-19, who came with intractable epigastric pain and resolved respiratory symptoms. A diagnosis of AP complicated with COVID-19 was made after laboratory and imaging workup, which was successfully managed conservatively. Plication of the diaphragm is a life-changing procedure for patients affected by diaphragm paralysis. Traditionally, this procedure is performed through a thoracotomy. Access to the diaphragm via this incision is poor and the indications for surgery are limited to patients who can actually sustain such an invasive approach and associated morbidities. A minimally invasive approach was developed to improve the surgical management of diaphragm paralysis. Patients underwent minimally invasive diaphragm plication either by video-assisted or robotic surgery through a 3-port technique with CO insufflation. Patients were followed at the routine 6-week clinic and also by telephone consultation 6 to 12 months postoperatively. Data were collected on postoperative complications, postoperative pain or numbness, symptomatic improvement, and change to quality of life following surgery. Forty-eight patients underwent 49 minimally invasive diaphragm plication. Median postoperative length of hospital stay was 4 days (range 2 to 34 days) and there were no cases of mortality. Mean reduction in Medical Research Council dyspnea score per patient was 2.2 points (mode 3 points). Twenty-eight patients (77.8%) reported a significant symptomatic improvement enabling improvements in quality of life, and 97.2% ( = 35) were satisfied with the surgical outcome. Minimally invasive diaphragm plication is a safe procedure associated with prompt postoperative recovery. It is effective at reducing debilitating dyspnea and improving quality of life. Minimally invasive diaphragm plication is a safe procedure associated with prompt postoperative recovery. It is effective at reducing debilitating dyspnea and improving quality of life.Consistent with a therapeutic jurisprudence framework, court decisions and processes can have a therapeutic or antitherapeutic effect on intimate partner violence (IPV) victims. To maximize therapeutic effects, IPV scholars have advocated for survivor-defined practices that emphasize the importance of engaging with victims in a collaborative manner that promotes autonomy, choice, and control. However, limited research exists in the context of criminal protection orders (POs). The current study addressed this gap by assessing whether criminal PO match (whether victims received the level PO they requested [i.e., PO match] or not [i.e., PO mismatch]) and victims' subjective experiences of the court process were associated with their willingness to use the system in the future to address IPV. In a sample of 187 women whose partners were arrested for IPV, experiencing the court processes as positive (β = .36, p = .001) and court-related fear (β = .41, p less then .001) were positively associated with willingness to use the system in the future. https://www.selleckchem.com/products/SP600125.html Additionally, PO match moderated the association between subjective court experiences and willingness to use the system in the future. Experiencing the court processes as negative (b = .33, p = .005) and validating (b = -.36, p = .001) was associated with willingness to use the system in the future only for participants who did not receive the PO level they requested. While experiencing the court as positive (b = -.40, p ≤ .001) was associated with willingness to use the system regardless of PO match, it was most strongly associated for participants who did not receive the PO level they requested. Results suggest the importance of ascertaining strategies to improve victims' experiences with the court, especially when victims' requests are not met, to increase future engagement with the system.0 Comments 0 Shares 6 Views 0 Reviews -
The emergence of tumor cells with low or no CD19 antigen expression are thought to drive the relapse process in some patients, in the context of targeted removal of antigen-positive tumor cells by the therapy. https://www.selleckchem.com/products/nvp-bgt226.html These findings support multi-antigen targeting CAR approaches to improve clinical outcomes in patients with LBCL.
The response of periodontal ligament cells (PDLC) from adult subjects in comparison to those obtained from younger ones to mechanical forces has been a matter of interest recently because of induced senescent changes. This study evaluated and compared cell surface changes and activity, integrin beta 1, and β-actin mRNA fold changes as well as klotho protein secretion capabilities of PDLC from young and adult donors before and after subjecting to orthodontic forces.
A total of 40 subjects with bimaxillary dentoalveolar protrusion requiring extraction of first premolars for orthodontic treatment were selected and divided into two groups. Force ranging from 80 to 90 g was applied to maxillary first premolars and extraction was carried out at two different time periods-pre-treatment (control group) and 28 days after force application (experimental group). Periodontal ligament was obtained, and cell surface changes and activity were observed with atomic force microscopy (AFM) and fluorescent tagging. mRNA fold change of integrin beta-1 and β-actin mRNA, as well as beta-galactosidase assay, was performed, and levels of klotho protein were evaluated.
AFM nanoindentation and fluorescent tagging indicated increased surface morphological changes in younger cells compared to adult ones. We observed a decrease in integrin beta 1 but an increase in β-actin mRNA levels in PDLC obtained from younger subjects compared to adults, while an increase was observed in SA-β-GAL from adult cells. The level of klotho protein was lower in adult cells in comparison to younger ones.
Large sample studies are required to find out a variation in aging characteristics between young and adult PDLC.
The study observed significant differences between PDLC obtained from younger and adult subjects in response to orthodontic force application.
The study observed significant differences between PDLC obtained from younger and adult subjects in response to orthodontic force application.Therapy-related myeloid neoplasms (t-MN) are high-risk, late effects in cancer survivors with poorly understood pathogenesis. It has been postulated that, in some cases, hematopoietic stem and progenitor cells (HSPCs) harboring mutations are selected for by cytotoxic exposures and transform. Here, we evaluate this model in the context of deficiency of CUX1, a transcription factor encoded on chromosome 7q and deleted in half of t-MN cases. We report that CUX1 has a critical, early role in the DNA repair process in HSPCs. Mechanistically, CUX1 recruits the histone methyltransferase EHMT2 to DNA breaks to promote downstream H3K9 and H3K27 methylation, phospho-ATM retention, subsequent γH2AX foci formation and propagation and, ultimately, 53BP1 recruitment. Despite significant unrepaired DNA damage sustained in CUX1-deficient murine HSPCs after cytotoxic exposures, they continue to proliferate and expand, mimicking clonal hematopoiesis in patients post-chemotherapy. As a consequence, preexisting CUX1 deficiency predisposes **** to highly penetrant and rapidly fatal therapy-related erythroleukemias. These findings establish the importance of epigenetic regulation of HSPC DNA repair and position CUX1 as a gatekeeper in myeloid transformation.Recent studies have demonstrated that maternal anti-CD36 antibodies represent a frequent cause of fetal/neonatal alloimmune thrombocytopenia (FNAIT) in Asian and African populations. However, little is known about the pathomechanism and antenatal treatment of anti-CD36-mediated FNAIT. Here, we established a novel animal model to examine the clinical features of pups from immunized Cd36-/- female **** after breeding with wild-type male ****. Mild thrombocytopenia was observed, but high pup mortality was also documented (40.26%). IVIG (1 g/kg) administration on days 7, 12, and 17 to immunized Cd36-/- mothers after breeding reduced fetal death (12.70%). However, delaying the IVIG administration series on days 10, 15, and 20 did not reduce fetal death (40.00%). In contrast, injection of deglycosylated anti-CD36 (deg-anti-CD36) polyclonal antibodies (5 mg/kg) on days 10, 15, and 20 significantly reduced fetal death (5.26%). Subsequently, monoclonal antibodies (mAbs) against mouse CD36 were developed, and one clone producing high-affinity anti-CD36 (termed 32-106) effectively inhibited maternal antibody binding and was therefore selected. Using the same approach of deg-anti-CD36, the administration of deg-32-106 significantly reduced fetal death (2.17%). Furthermore, immunized Cd36-/- mothers showed placenta deficiency. Accordingly, maternal anti-CD36 antibodies inhibited angiogenesis of placenta endothelial cells, which could be restored by deg-32-106. In summary, maternal anti-CD36 antibodies caused a high frequency of fetal death in our animal model, associated with placental dysfunction. This deleterious effect could be diminished by the antenatal administration of IVIG and deg-mAb 32-106. Interestingly, treatment with deg-32-106 appears more beneficial considering the lower dose, later start of treatment, and therapy success.Human embryos of in vitro fertilization (IVF) are often susceptible to developmental arrest, which greatly reduces the efficiency of IVF treatment. In recent years, it has been found that protein arginine methyltransferase 7 (PRMT7) plays an important role in the process of early embryonic development. However, not **** is known about the relationship between PRMT7 and developmentally arrested embryos. The role of PRMT7 in developmentally arrested embryos was thus investigated in this study. Discarded human embryos from IVF were collected for experimental materials. Quantitative real-time polymerase chain reaction (qRT-PCR) and confocal analyses were used to identify PRMT7 mRNA and protein levels in early embryos at different developmental stages, as well as changes in the methylation levels of H4R3me2s. Additionally, PRMT7 was knocked down in the developmentally arrested embryos to observe the further development of these embryos. Our results demonstrated that PRMT7 mRNA and protein levels in arrested embryos were significantly increased compared with those in control embryos; meanwhile, the methylation levels of H4R3me2s in arrested embryos were also increased significantly.
The emergence of tumor cells with low or no CD19 antigen expression are thought to drive the relapse process in some patients, in the context of targeted removal of antigen-positive tumor cells by the therapy. https://www.selleckchem.com/products/nvp-bgt226.html These findings support multi-antigen targeting CAR approaches to improve clinical outcomes in patients with LBCL. The response of periodontal ligament cells (PDLC) from adult subjects in comparison to those obtained from younger ones to mechanical forces has been a matter of interest recently because of induced senescent changes. This study evaluated and compared cell surface changes and activity, integrin beta 1, and β-actin mRNA fold changes as well as klotho protein secretion capabilities of PDLC from young and adult donors before and after subjecting to orthodontic forces. A total of 40 subjects with bimaxillary dentoalveolar protrusion requiring extraction of first premolars for orthodontic treatment were selected and divided into two groups. Force ranging from 80 to 90 g was applied to maxillary first premolars and extraction was carried out at two different time periods-pre-treatment (control group) and 28 days after force application (experimental group). Periodontal ligament was obtained, and cell surface changes and activity were observed with atomic force microscopy (AFM) and fluorescent tagging. mRNA fold change of integrin beta-1 and β-actin mRNA, as well as beta-galactosidase assay, was performed, and levels of klotho protein were evaluated. AFM nanoindentation and fluorescent tagging indicated increased surface morphological changes in younger cells compared to adult ones. We observed a decrease in integrin beta 1 but an increase in β-actin mRNA levels in PDLC obtained from younger subjects compared to adults, while an increase was observed in SA-β-GAL from adult cells. The level of klotho protein was lower in adult cells in comparison to younger ones. Large sample studies are required to find out a variation in aging characteristics between young and adult PDLC. The study observed significant differences between PDLC obtained from younger and adult subjects in response to orthodontic force application. The study observed significant differences between PDLC obtained from younger and adult subjects in response to orthodontic force application.Therapy-related myeloid neoplasms (t-MN) are high-risk, late effects in cancer survivors with poorly understood pathogenesis. It has been postulated that, in some cases, hematopoietic stem and progenitor cells (HSPCs) harboring mutations are selected for by cytotoxic exposures and transform. Here, we evaluate this model in the context of deficiency of CUX1, a transcription factor encoded on chromosome 7q and deleted in half of t-MN cases. We report that CUX1 has a critical, early role in the DNA repair process in HSPCs. Mechanistically, CUX1 recruits the histone methyltransferase EHMT2 to DNA breaks to promote downstream H3K9 and H3K27 methylation, phospho-ATM retention, subsequent γH2AX foci formation and propagation and, ultimately, 53BP1 recruitment. Despite significant unrepaired DNA damage sustained in CUX1-deficient murine HSPCs after cytotoxic exposures, they continue to proliferate and expand, mimicking clonal hematopoiesis in patients post-chemotherapy. As a consequence, preexisting CUX1 deficiency predisposes mice to highly penetrant and rapidly fatal therapy-related erythroleukemias. These findings establish the importance of epigenetic regulation of HSPC DNA repair and position CUX1 as a gatekeeper in myeloid transformation.Recent studies have demonstrated that maternal anti-CD36 antibodies represent a frequent cause of fetal/neonatal alloimmune thrombocytopenia (FNAIT) in Asian and African populations. However, little is known about the pathomechanism and antenatal treatment of anti-CD36-mediated FNAIT. Here, we established a novel animal model to examine the clinical features of pups from immunized Cd36-/- female mice after breeding with wild-type male mice. Mild thrombocytopenia was observed, but high pup mortality was also documented (40.26%). IVIG (1 g/kg) administration on days 7, 12, and 17 to immunized Cd36-/- mothers after breeding reduced fetal death (12.70%). However, delaying the IVIG administration series on days 10, 15, and 20 did not reduce fetal death (40.00%). In contrast, injection of deglycosylated anti-CD36 (deg-anti-CD36) polyclonal antibodies (5 mg/kg) on days 10, 15, and 20 significantly reduced fetal death (5.26%). Subsequently, monoclonal antibodies (mAbs) against mouse CD36 were developed, and one clone producing high-affinity anti-CD36 (termed 32-106) effectively inhibited maternal antibody binding and was therefore selected. Using the same approach of deg-anti-CD36, the administration of deg-32-106 significantly reduced fetal death (2.17%). Furthermore, immunized Cd36-/- mothers showed placenta deficiency. Accordingly, maternal anti-CD36 antibodies inhibited angiogenesis of placenta endothelial cells, which could be restored by deg-32-106. In summary, maternal anti-CD36 antibodies caused a high frequency of fetal death in our animal model, associated with placental dysfunction. This deleterious effect could be diminished by the antenatal administration of IVIG and deg-mAb 32-106. Interestingly, treatment with deg-32-106 appears more beneficial considering the lower dose, later start of treatment, and therapy success.Human embryos of in vitro fertilization (IVF) are often susceptible to developmental arrest, which greatly reduces the efficiency of IVF treatment. In recent years, it has been found that protein arginine methyltransferase 7 (PRMT7) plays an important role in the process of early embryonic development. However, not much is known about the relationship between PRMT7 and developmentally arrested embryos. The role of PRMT7 in developmentally arrested embryos was thus investigated in this study. Discarded human embryos from IVF were collected for experimental materials. Quantitative real-time polymerase chain reaction (qRT-PCR) and confocal analyses were used to identify PRMT7 mRNA and protein levels in early embryos at different developmental stages, as well as changes in the methylation levels of H4R3me2s. Additionally, PRMT7 was knocked down in the developmentally arrested embryos to observe the further development of these embryos. Our results demonstrated that PRMT7 mRNA and protein levels in arrested embryos were significantly increased compared with those in control embryos; meanwhile, the methylation levels of H4R3me2s in arrested embryos were also increased significantly.0 Comments 0 Shares 6 Views 0 Reviews
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