The cytokine interleukin-6 (IL-6) fulfills its pleiotropic functions via different modes of signaling. Regenerative and anti-inflammatory activities are mediated via classic signaling, in which IL-6 binds to the membrane-bound IL-6 receptor (IL-6R). For IL-6 trans-signaling, which accounts for the pro-inflammatory properties of the cytokine, IL-6 activates its target cells via soluble forms of the IL-6R (sIL-6R). We have previously shown that the majority of sIL-6R in human serum originates from proteolytic cleavage and mapped the cleavage site of the IL-6R. The cleavage occurs between Pro-355 and Val-356, which is the same cleavage site that the metalloprotease ADAM17 uses in vitro. However, sIL-6R serum levels are unchanged in hypomorphic ADAM17ex/ex mice, making the involvement of ADAM17 questionable. In order to identify other proteases that could be relevant for sIL-6R generation in vivo, we perform a screening approach based on the known cleavage site. We identify several candidate proteases and characterize the cysteine protease cathepsin S (CTSS) in detail. We show that CTSS is able to cleave the IL-6R in vitro and that the released sIL-6R is biologically active and can induce IL-6 trans-signaling. However, CTSS does not use the Pro-355/Val-356 cleavage site, and sIL-6R serum levels are not altered in Ctss-/- mice. In conclusion, we identify a novel protease of the IL-6R that can induce IL-6 trans-signaling, but does not contribute to steady-state sIL-6R serum levels.Cell counts decrease with sediment depth. Typical explanations consider limiting factors such as water availability and chemistry, carbon source, nutrients, energy and temperature, and overlook the role of pore size. https://www.selleckchem.com/mTOR.html Our analyses consider sediment self-compaction, the evolution of pore size with depth, and the probability of pores larger than the microbial size to compute the volume fraction of life-compatible pores. We evaluate cell counts vs. depth profiles gathered at 116 sites worldwide. Results confirm the critical role of pore size on cell counts in the subsurface and explain much of the data spread (from ~ 9 orders of magnitude range in cell counts to ~ 2 orders). Cells colonize pores often forming dense biofilms, thus, cell counts in pores are orders of magnitude higher than in the water column. Similar arguments apply to rocks.We evaluated changes in the pupillary light reflex (PLR) of ethambutol (EMB)-induced optic neuropathy and analyzed the correlations between PLR parameters and other structural changes in EMB-induced optic neuropathy. This retrospective, observational, case-control study involved thirty-two eyes of 17 patients with EMB-induced optic neuropathy (EON group), sixty eyes of 60 patients without EMB-induced optic neuropathy (non-EON group) while taking ethambutol, and forty-five eyes of 45 normal controls. PLR was measured by digital pupillometry. The clinical characteristics, optical coherence tomography measurements and PLR parameters including pupil diameter, constriction latency, constriction ratio/velocity, and dilation velocity were noted. The differences in PLR measurements were compared among the three groups. Correlations between PLR parameters and other structural parameters in EMB-induced optic neuropathy were evaluated. The pupillary constriction ratio, constriction and dilation velocities were significantly reduced in the EON group compared to the non-EON group and controls (all P  less then  0.05). In EMB-induced optic neuropathy, average outer macular ganglion cell layer (mGCL) thickness showed a significant correlation with the pupillary constriction ratio (ß = 4.14, P = 0.003) and maximal constriction velocity (ß = 1.08, P  less then  0.001). This study confirmed that pupillary constriction and dilation velocities were significantly decreased in patients with EMB-induced optic neuropathy, compared to normal controls. Digital pupillometry may be a useful tool in the evaluation of EMB-induced optic neuropathy.Certain synthetic herbicides can act synergistically with specific bioherbicides. In this study, a sethoxydim herbicide at 0.1× label rate improved biocontrol of herbicide-sensitive green foxtail (Setaria viridis, GFT) by Pyricularia setariae (a fungal bioherbicide agent), but did not change the efficacy on a herbicide-resistant GFT biotype. Reference transcriptomes were constructed for both GFT biotypes via de novo assembly of RNA-seq data. GFT plants treated with herbicide alone, fungus alone and herbicide + fungus were compared for weed-control efficacy and differences in transcriptomes. On herbicide-sensitive GFT, sethoxydim at the reduced rate induced ABA-activated signaling pathways and a bZIP transcription factor 60 (TF bZIP60), while improved the efficacy of biocontrol. The herbicide treatment did not increase these activities or improve biocontrol efficacy on herbicide-resistant plants. An exogenous application of ABA to herbicide-sensitive plants also enhanced bZIP60 expression and improved biocontrol efficacy, which supported the results of transcriptome analysis that identified the involvement of ABA and bZIP60 in impaired plant defense against P. setariae. It is novel to use transcriptome analysis to decipher the molecular basis for synergy between a synthetic herbicide and a bioherbicide agent. A better understanding of the mechanism underlining the synergy may facilitate the development of weed biocontrol.We studied the effects of important ternary elements, such as Cr, Nb, and V, on the plasticity of [Formula see text]-TiAl crystals by calculating the point defect formation energy and the change in the generalized stacking fault energy (GSFE) surface from first-principles calculations. For all three elements, the point defect formation energies of the substitutional defects are lower in the Ti site than in the Al site, which implies that substitution on the Ti site is energetically more stable. We computed the GSFE surfaces with and without a substitutional solute and obtained the ideal critical resolved shear stress (ICRSS) of each partial slip. The change in the GSFE surface indicates that the substitution of Ti with Cr, Nb, or V results in an increase in the yield strength because the ICRSS of the superlattice intrinsic stacking fault (SISF) partial slip increases. Interestingly, we find that Cr substitution on an Al site could occur owing to the small difference between the substitutional defect formation energies of the Ti and Al sites.

We confirmed a negative correlation between Wnt activity and T cell signature in our cohort. Decreasing WNT ligand production resulted in increases in T cell, macrophage and dendritic cell functions, decreased tumor burden and improved survival. Reduced tumor growth was found in mice that lacked β-catenin specifically in DCs. When CD8+ T cells were depleted, CGX1321 treatment did not have the same magnitude of effect on tumor growth. Our investigation confirmed an increase in Wnt activity correlated with a decreased T-cell-inflamed environment; a relationship that was further supported in our pre-clinical model that suggests inhibiting the Wnt/β-catenin pathway was associated with decreased tumor growth and improved survival via a partial dependence on CD8+ T cells.Objective to analyze the evolution of surgical techniques and strategies, and to determine their influence on the survival of patients with stage III or IV epithelial ovarian cancer (EOC). Methods a retrospective data analysis was performed in two French tertiary cancer institutes. The analysis included clinical information, cytoreductive outcome (complete, optimal and suboptimal), definitive pathology, Overall Survival (OS), and Progression-Free Survival (PFS). Three surgical strategies were compared Primary Cytoreductive Surgery (PCS), Interval Cytoreductive Surgery (ICS) after three cycles of Neo-Adjuvant Chemotherapy (NAC), and Final Cytoreductive Surgery (FCS) after at least six cycles of NAC. We analyzed four distinct time intervals prior to 2000, between 2000 and 2004, between 2005 and 2009, and after 2009. Results data from 1474 patients managed for International Federation of Gynecology and Obstetrics (FIGO) stages III (80%) or IV (20%) EOC were analyzed. Throughout the four time intervals, the rate of patients who were treated only medically increased significantly (10.1% vs. 22.6% p less then 0.001). NAC treatment increased from 20.1% to 52.2% (p less then 0.001). Complete resection rate increased from 37% to 66.2% (p less then 0.001). Of our study population, 1260 patients (85.5%) underwent surgery. OS was longer in cases of complete cytoreduction (Hazard Ratio (HR) = 2.123 CI 95% [1.816-2.481] p less then 0.001) but the surgical strategy itself did not affect median OS. OS was 44.9 months, 50.3 months, and 42 months for PCS, ICS, and FCS, respectively (p = 0.410). After adjusting for surgical strategies (PCS, ICS, and FCS), all patients with complete cytoreduction presented similar OS with no significant difference. https://www.selleckchem.com/products/cilofexor-gs-9674.html However, PFS was three months shorter when FCS was compared to PCS (p less then 0.001). Conclusion In our 30 years' experience of EOC management, complete resection rate was the only independent factor that significantly improved OS and PFS, regardless of the surgical strategy.It is widely acknowledged that in order to promote public health and prevent diseases, a wide range of scientific disciplines and sectors beyond the health sector need to be involved. Evidence-based interventions, beyond preventive health interventions targeting disease risk factors and interventions from other sectors, should be developed and implemented. Investing in these preventive health policies is challenging as budgets have to compete with other governmental expenditures. The current study aimed to identify, compare and rank cost-effective preventive interventions targeting metabolic, environmental, occupational and behavioral risk factors. To identify these interventions, a literature search was performed including original full economic evaluations of Western country interventions that had not yet been implemented in the Netherlands. Several workshops were held with experts from different disciplines. In total, 51 different interventions (including 13 cost saving interventions) were identified and ranked based on their incremental cost-effectiveness ratio (ICER) and potential averted disability-adjusted life years (DALYs), resulting in two rankings of the most cost-effective interventions and one ranking of the 13 cost saving interventions. This approach, resulting in an intersectoral ranking, can assist policy makers in implementing cost-effective preventive action that considers not only the health sector, but also other sectors.When using foil queue microelectrodes (FQ-microelectrodes) for micro electrical discharge machining (micro-EDM), the processed results of each foil microelectrode (F-microelectrode) can be stacked to construct three-dimensional (3D) microstructures. However, the surface of the 3D microstructure obtained from this process will have a step effect, which has an adverse effect on the surface quality and shape accuracy of the 3D microstructures. To focus on this problem, this paper proposes to use FQ-microelectrodes with tapered structures for micro-EDM, thereby eliminating the step effect on the 3D microstructure's surface. By using a low-speed wire EDM machine, a copper foil with thickness of 300 μm was processed to obtain a FQ-microelectrode in which each of the F-microelectrodes has a tapered structure along its thickness direction. These tapered structures could effectively improve the construction precision of the 3D microstructure and effectively eliminate the step effect. In this paper, the effects of the taper angle and the number of microelectrodes on the step effect were investigated. The experimental results show that the step effect on the 3D microstructure's surface became less evident with the taper angle and the number of F-microelectrodes increased. Finally, under the processing voltage of 120 V, pulse width of 1 μs and pulse interval of 10 μs, a FQ-microelectrode (including 40 F-microelectrodes) with 10° taper angle was used for micro-EDM. The obtained 3D microstructure has good surface quality and the step effect was essentially eliminated.We thank Drs [...].Electret filters as opposed to mechanical filters display the enhanced ability to capture airborne particles with the electrostatic attraction. However, the environmental aging during shelf-life or use may cancel its benefit by dissipating the charges. This work investigates the polymeric attributes influencing the charge decay and the electrostatic filtration of electret filters, employing polymers with different dielectric constants (r) and wettability. As accelerated aging, high temperature (120 °C) or high humidity (25 °C, 90% RH) was applied to the electret filters for 48 h. For the humidity aging, wetting property of material was a critical factor affecting the charge decay and the filtration performance, as the absorbed water increases the electrical conductivity. For the thermal aging, the material with the highest r deteriorated the electric potential and the filtration performance by the largest extent, due to the lower band gap energy for charge transfer. The results of this study implicate that r and wettability are important material parameters influencing the electric conductivity and chain mobility, and they can be used as convenient predictors for charge retention capacity affecting the robust electrostatic filtration performance.

Bulging disc, herniated disc, the type of disc, location of the discs, and nerve root compression diagnosis were significantly in excellent agreement (kappa>0.7, p-value<0.001) through intraobserver assessments, while interobserver assessments presented statistically significant with a fair agreement (kappa0.4-0.7 and p-value<0.05). Remarkable intraobserver agreement was found between diagnoses of disc-related pathologies of the lumbar spine while interobserver assessments revealed only fair concordance. Remarkable intraobserver agreement was found between diagnoses of disc-related pathologies of the lumbar spine while interobserver assessments revealed only fair concordance.Infertility treatments such as in-vitro fertilization (IVF) are stressful and challenging to mental health and well-being. The use of alternative therapies adjunct to IVF treatment, such as acupuncture, is common and women hope to improve their chance of pregnancy and live birth. While many women engage in acupuncture adjunct to IVF in Australia, few qualitative studies of women's motivations and experiences have been conducted in this field. A qualitative study was nested within a randomized controlled trial of acupuncture during IVF treatment in order to explore women's perceptions of acupuncture, its effects in the context of IVF treatment, and how acupuncture is perceived in relation to the outcome of IVF. Fifty women randomized into both acupuncture and sham acupuncture groups were interviewed using a semi-structured format. In-depth interviews were transcribed, coded and categorized in a theoretical thematic analysis. Two primary themes emerged 'psychological benefit' and 'perceived influence of acupuncture on fertility/medical outcome'. https://www.selleckchem.com/products/cilofexor-gs-9674.html Regardless of randomization, women in both groups described similar psychological effects suggesting that a placebo effect was present. They were not convinced that acupuncture could enhance their treatment outcome through biomedical pathways. Rather, they perceived that acupuncture or sham acupuncture gave them a psychological advantage through increased relaxation, reduced psychological stress, and enhanced well-being and self-efficacy. In conclusion, there are significant features associated with a placebo effect in acupuncture that might be exploited to provide psychological benefit for women undertaking IVF.This article explores the participation of non-US-resident patients/clients in the US reproductive market, garnering a picture of cross-border reproductive care (CBRC) into the USA by drawing on the existing literature, identifying the frequency of and motivations for such arrangements, the primary sending countries, and the reproductive services sought. I find that although the expense of US CBRC necessarily limits the patient/client pool, it is largely non-economic factors that drive CBRC into the USA. The US CBRC patient/client base, which is diverse in terms of national origin, race and sexual orientation, is recruited by the US fertility industry and drawn to the full range of assisted reproductive technology (ART) services, such as in-vitro fertilization, surrogacy, oocyte donation and preimplantation genetic screening/preimplantation genetic diagnosis, available in the US market which are often restricted or limited in their countries of origin. CBRC patients/clients enjoy the legal clarity for establishing parentage and citizenship for their children available in the USA, as well as what some view as a medically and ethically superior ART market.This article addresses the challenges and benefits derived from having to present social science research in another language than one's usual working language. As objects of study are, in part, moulded by language, translation becomes an invaluable opportunity for critical reflection on our epistemic choices. The article thus proposes a brief inquiry into the words we use, in French and in English, to describe and discuss issues in assisted reproductive technology, or medically assisted procreation as one would say in French. The article first explores similarities and differences in the generic terms used in each language to refer to this area, and discusses the verbs used to describe different facets of the reproductive process. It then proposes a short discussion of two terms often used interchangeably in both languages, 'reproduction' and 'procreation', and introduces a third term, engendrement ('engendering') that has recently emerged in France as an alternative concept. The conclusion points to the impact that technology may have on the issues considered worthy of attention, and on the meaning of certain words, as reproductive acts are displaced from the body to the laboratory. It also urges greater attention to how language affects the way we conceptualize reproductive practices and issues, and to how we deal with these differences in international encounters.In the French context of prohibition of surrogacy by a legislative framework established in 1994, couples are using surrogacy abroad to create their family. Why does surrogacy not find room in the landscape of donor-conceived families in France? Based on a survey among French intended parents using surrogacy in the USA and Belgium, and a 2-year ethnography on medical practice in a fertility centre in Belgium, this study shows that surrogacy is, in fact, a particular type of gift the gift of gestational capacity. The preconceptional journey in Belgium or in the USA is a relational process that allows complementary places and statuses to be acquired. This process will transform applicants into intended parents (recipients), and candidates into surrogates (donors). The relationships created by the gift have the particularity of being woven around responsibility towards the fetus. It is the hierarchy of encompassing and encompassed responsibilities in relation to the fetus that organizes the relationships and actions of each protagonist parents, grandparents, surrogate, surrogate's partner and children, etc. The article thus shows that surrogacy, because it is a gift of a particular type, has no place in the French bioethics model, which is, in fact, built entirely on the notion of 'donation without a donor' in a therapeutic and medicalized view of reproductive donations.

Nanoscale two-dimensional nanostructures have shown great potential as functional components in photocatalysis. Here, investigations on the synthesis of heterostructured hybrids, comprised of 0D CdS nanoparticles as semiconductor and 2D/2D graphene/MoSx as co-catalyst, are reported. The approach involves a rapid microwave-assisted reaction in autoclave conditions, by adopting either a one-step or a two-step protocol. The chemical speciation of the nanocomposites was found to depend strongly on the compounding conditions of the precursor substances. The photocatalytic activity was assessed by monitoring the photodegradation rate of 4-nitrophenol in solution using simulated solar light irradiation. The photocatalytic activity of the hybrids may be attributed to a combination of beneficial characteristics, strongly related to the chemical speciation of the composite components. Moreover, intimate contacts of the latter result in efficient heterojunctions. Overall, the present study provides valuable insight into the development of functional heterostructured photocatalysts comprised of two-dimensional nanomaterials. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.BACKGROUND Eating behaviour in childhood has been implicated in development of early childhood caries. Parenting feeding styles can also contribute to development of various eating behaviours. AIM To evaluate relationship between children's eating behaviour and parental feeding styles with ECC in preschool children. DESIGN A case-control study was conducted in 440 children who were selected and divided into 2 groups Group A-children with ECC and Group B-children without ECC. Dental caries was recorded using dmft index. The parents of children in both groups were requested to complete the Children's Eating Behaviour Questionnaire (CEBQ) and Parental Feeding Style Questionnaire (PFQ). RESULTS There was positive association of food avoidance subscales of CEBQ (Satiety Responsiveness, Food Fussiness, Slowness in Eating, and Emotional Undereating) along with certain food-approaching subscales (Desire to Drink and Emotional Overeating) with dental caries status. It was also seen that parental feeding patterns such as Encouragement and Instrumental feeding contributed to decrease in dental caries of the child when compared to Control and Emotional feeding. CONCLUSION Certain eating and feeding behaviours can possibly be associated with development of ECC, such behaviours can be successfully identified using CEBQ and PFQ. © 2020 BSPD, IAPD and John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.BACKGROUND To evaluate disease control, toxicities, and dose to dysphagia/aspiration risk structures (DARS) using a direct gross tumor volume (GTV70Gy ) to planning target volume expansion (dPTV70Gy ) for patients with squamous cell carcinoma of the larynx (LSCC). METHODS A retrospective review was performed on patients with LSCC treated between 2003 and 2018. Clinical outcomes, toxicities, and dosimetric data were analyzed. RESULTS Seventy-three patients were identified. Overall survival at 5-years was 57.8%. Five-year local and regional control was 79.8% and 88.2%, respectively. Distant metastatic-only failure was 2.7%. Eighty percent of failures were 95% contained within the dPTV70Gy . Mean dose and the volume of DARS receiving 70 Gy was significantly lower for dPTV70Gy compared to a consensus-defined PTV70Gy . DISCUSSION Judicious reduction in high-dose target volumes can preserve high tumor control rates while reducing dose to normal surrounding structures underscoring the potential benefit of this approach in enabling local therapy intensification to improve locoregional control. © 2020 Wiley Periodicals, Inc.BACKGROUND Associations between body mass index (BMI) and caries have been reported. AIM To evaluate the direction of the relationship between BMI and severe early childhood caries (S-ECC). DESIGN Children were recruited as part of a larger prospective cohort study assessing changes in nutritional status following dental rehabilitation under general anaesthetic. Pre-operative anthropometric measurements were used to calculate BMI z-scores (BMIz). Operative reports were reviewed to calculate caries scores based on treatment rendered. Analysis included descriptive statistics, bivariate analyses, and simple and multiple linear regression. RESULTS Overall, 150 children were recruited with a mean age of 47.7 ± 14.2 (SD) months; 52% female. Over 42% were at risk for overweight, overweight or obese. Although simple linear regression demonstrated a significant positive association between dmfs score and BMIz, adjusted multiple linear regression found no significant relationship between BMIz and dmfs, but highlighted a relationship between BMI z-score and family income, Registered First Nations Status and physical activity. CONCLUSIONS Although a significant relationship between BMI and S-ECC was not found, poverty was a key confounding variable. As both S-ECC and obesity are known predictors of future disease, it is important for healthcare professionals to identify children at risk. Diet and behaviour modification may play a role in disease prevention. © 2020 BSPD, IAPD and John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.BACKGROUND There have been few recent advances in the identification of occult lymph node metastases (OLNM) in oral squamous cell carcinoma (OSCC). This study aimed to develop, compare, and validate several machine learning models to predict OLNM in clinically N0 (cN0) OSCC. METHODS The biomarkers CD31 and PROX1 were combined with relevant histological parameters and evaluated on a training cohort (n = 56) using four different state-of-the-art machine learning models. Next, the optimized models were tested on an external validation cohort (n = 112) of early-stage (T1-2 N0) OSCC. RESULTS The random forest (RF) model gave the best overall performance (area under the curve = 0.89 [95% CI = 0.8, 0.98]) and accuracy (0.88 [95% CI = 0.8, 0.93]) while maintaining a negative predictive value >95%. CONCLUSIONS We provide a new clinical decision algorithm incorporating risk stratification by an RF model that could significantly improve the management of patients with early-stage OSCC. https://www.selleckchem.com/products/cilofexor-gs-9674.html © 2020 Wiley Periodicals, Inc.

Gadolinium-based contrast agents (GBCAs) are widely used in clinical magnetic resonance imaging (MRI). Free gadolinium ions (Gd3+) released from GBCAs potentially increase the risk of GBCA-related toxicity. However, the cellular responses to Gd3+ and the underlying mechanisms responsible for protection against Gd3+ remain poorly understood. Recently, autophagy has been considered a cell survival mechanism against various toxic metals. Here, we investigated the relationship between Gd3+ and autophagy, as well as the effect of autophagy inhibition on the survival of cells exposed to Gd3+. We found that the increased expression of microtubule-associated protein 1 light chain 3 (LC3)-II, a marker protein of autophagy, in Gd3+-exposed human embryonic kidney 293 (HEK293) cells. https://www.selleckchem.com/TGF-beta.html Moreover, we found a greater accumulation of LC3-II after exposure to an autophagy inhibitor, chloroquine (CQ), combined with Gd3+ than that after exposure to CQ alone, suggesting that Gd3+ activated autophagy in HEK293 cells. Furthermore, we found that Gd3+ reduced cell viability, which was more pronounced after CQ treatment. Our findings indicated that autophagy exerted a cytoprotective effect against Gd3+ toxicity, suggesting a potential link between autophagy and GBCA-associated adverse events. Echinacoside, a small molecule derived from the natural herbs Cistanche and Echinacea, shows effective anticancer abilities, but the mechanism remains unclear. By using colony formation, scratch, and transwell assays in MDA-MB-231 breast cancer cells, we confirmed the anti-breast cancer ability of Echinacoside in vitro. In addition, we found that Echinacoside can dose-dependently reduce phosho-LRP6, total LRP6, phosho-Dvl2, active β-catenin, and total β-catenin protein expression level in MDA-MB-231 and MDA-MB-468 cells by western blot. We also detected well-known Wnt targets genes, including LEF1, CD44, and cyclin D1 by real-time PCR and western blot, and Echinacoside significantly shows inhibition effect in these two breast cancer cell lines. Furthermore, we investigated its anti-breast cancer ability in an MDA-MB-231 xenograft model in vivo. Echinacoside treatment significantly reduced tumor growth, which was accompanied by a reduction in Wnt/β-catenin signaling. In summary, our results demonstrate that Echinacoside can effectively inhibit Wnt/β-catenin signaling, and therefore, it may be a promising therapeutic target to treat breast cancer. Upon detection of viral DNA, the cytoplasmic DNA sensor cyclic GMP-AMP (cGAMP) synthase (cGAS) utilizes GTP and ATP as substrates to synthesize the second messenger molecule 2'3'cyclic GMP-AMP (cGAMP), which binds to the ER-associated adaptor protein MITA/STING to signal innate antiviral response to DNA virus. How the cGAS-MITA pathways are post-translationally regulated is not fully understood. In this study, we identified the tyrosine kinase CSK as a positive regulator of cGAS-MITA mediated innate antiviral response. CSK-deficiency inhibits DNA virus-triggered induction of downstream antiviral effector genes. Following DNA virus infection, CSK phosphorylates MITA at Y240 and Y245, which is important for its activation. These results suggest that CSK plays a role in modulating innate immune response to DNA virus. Collagen type I (Col I) is one of the major extracellular matrix proteins in the cancer tissue. Previously, we have reported that Col I induces epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) resistance by mTOR activation through Akt and ERK1/2 independent pathway. In this study, we aimed to elucidate the molecular mechanism of Col I induced EGFR-TKI resistance. First, we demonstrated the uptake of fluorescently labeled Col I by EGFR-mutated lung cancer cell line PC-9 cells using confocal microscopy and flow cytometry. Metabolome analysis revealed that the metabolic profiles of PC-9 cells was influenced by Col I treatment. Uptake of Col I into PC-9 cells was not inhibited by MMP inhibitor, GM6001, and endocytosis inhibitors, Pitstop2 and Dyngo4a; however, macropinocytosis inhibitor EIPA prevented its uptake. Moreover, the combination of EIPA and EGFR-TKI abrogated Col I-induced EGFR-TKI resistance in PC-9 cells. Inhibition of Rac1, which is essential for micropinocytosis, also decreased the uptake of Col I in PC-9 cells and restored their sensitivity to EGFR-TKI. Thus, EGFR mutated lung cancer cells could develop EGFR-TKI resistance by Col I uptake by macropinocytosis route. Autophagy is an essential process to maintain cell survival and homeostasis under various stress conditions. Here, we report that lysine-specific demethylase 3A (KDM3A) plays an important role in starvation-induced autophagy. Using Kdm3a knockout mice, we demonstrate that KDM3A is crucial for proper hepatic autophagy in vivo. Hepatic mRNA expression analysis and ChIP assay in WT and Kdm3a knockout mouse livers reveal that KDM3A activates autophagy genes by reducing histone H3K9me2 levels upon fasting. Together, our finding represents previously unidentified function of KDM3A as a key regulator of autophagy, implicating potential therapeutic approaches for autophagy-related diseases. The Notch signaling pathway is highly conserved and essential in animal development and tissue homeostasis. Regulation of Notch signaling is a crucial process for human health. Ligands initiate a signal cascade by binding to Notch receptors expressed on the neighboring cell. Notch receptors interact with ligands through their epidermal growth factor-like repeats (EGF repeats). Most EGF repeats are modified by O-glycosylation with residues, such as O-linked N-acetylglucosamine (O-GlcNAc), O-fucose, and O-glucose. A recent study revealed the distinct roles of these O-glycans in ligand binding, processing, and trafficking of Notch receptors. In particular, O-GlcNAc glycans are essential for Delta-like (DLL) ligand-mediated Notch signaling. In this study, we showed that O-GlcNAc promotes Notch1 trafficking to the cell surfaces under the condition that O-fucose and O-glucose are removed from consecutive EGF repeats of Notch1. Through in vitro experiments, we showed that O-GlcNAc mediates the stability of EGF domains in the same manner as O-fucose and O-glucose.

Expression restoration also led to a reduction in tumor cell virulence, concomitant with activation of apoptotic pathways, cell cycle arrest, and reduction of markers of proliferation. We identified two oncogenic targets of miR-1253, CDK6 and CD276, whose silencing replicated the negative trophic effects of miR-1253. These data reveal novel tumor-suppressive properties for miR-1253, i.e. 1) loss of expression via epigenetic silencing, 2) negative trophic effects on tumor aggressiveness, and 3) downregulation of oncogenic targets. This article is protected by copyright. All rights reserved.Microclimatic conditions change dramatically as forests age and impose strong filters on community assembly during succession. Light availability is the most limiting environmental factor in tropical wet forest succession; by contrast, water availability is predicted to strongly influence tropical dry forest (TDF) successional dynamics. While mechanisms underlying TDF successional trajectories are not well understood, observational studies have demonstrated that TDF communities transition from being dominated by species with conservative traits to species with acquisitive traits, the opposite of tropical wet forest. Determining how functional traits predict TDF tree species' responses to changing environmental conditions could elucidate mechanisms underlying tree performance during TDF succession. We implemented a 6-hectare restoration experiment on a degraded Vertisol in Costa Rica to determine (1) how TDF tree species with different resource-use strategies performed along a successional gradient; and (2) hothan resource-use strategies defined by leaf and stem traits such as specific leaf area. Moreover, ecophysiological traits related to water-use had a stronger influence on seedling performance in the cleared, early-successional treatment, indicating that the influence of microclimatic conditions on tree survival and growth shifts predictably during TDF succession. Our findings suggest that ecophysiological traits should be explicitly considered to understand shifts in TDF functional composition during succession and that using these traits to design species mixes could greatly improve TDF restoration outcomes. This article is protected by copyright. All rights reserved.To investigate the ovarian and uterine blood flow responses, hemodynamic, circulating ovarian hormones and nitric oxide (NO) after end of treatment by Folltropin. Holstein Friesian (12) cows previously synchronized with CIDR underwent Doppler ultrasound after administrating of FSH daily for 4 days in 8 injections started on day 10 of the second ovulation (day -5). Estradiol (E2), progesterone (P4), and nitric oxide (NOMs) were measured. During the follicular phase, follicle area and antrum area of the second cycle reached maximum value on the day of ovulation compared to that in the first cycle, while during the luteal phase both showed a pattern of increase and decrease. The luteal area and total colored area increased till day 10 in the first and second cycle. The first cycle ipsilateral ovarian artery (Ov.A) had higher pulsatility (PI) (p = .001), resistance (RI) (p = .001), and peak velocity (PSV) (p = .009), and lower end diastolic (EDV) (p = .003) compared to the second cycle. The increased ipsilateral Ov.A PSV (p = .009), accompanied by lower EDV. https://www.selleckchem.com/EGFR(HER).html The first cycle ipsilateral middle uterine artery (MUA) had higher PI (p = .001) and RI (p = .001), with lower PSV (p = .001) and EDV (p = .001).It was concluded that blood flow of ovarian and middle uterine arteries changed after the end of super stimulation as the increased ipsilateral Ov. A and MUA PSVs accompanied by lower EDV and both Doppler indices that reflect the amount of ovarian and uterine blood flow waveform. This article is protected by copyright. All rights reserved.PURPOSE The purpose of this research was to verify the reliability and validity of the job crafting scale (JCS) among nurses in Chinese public hospitals. BACKGROUND Job crafting is an important organizational variable for medical institutions. Although Japanese and Spanish versions of the JCS are available, this scale has not been validated in Chinese nurses. METHODS A convenience sample of 2095 registered hospital nurses was recruited from 25 provinces in mainland China from June 2019 to July 2019. Descriptive analyses were performed. Reliability and correlation coefficient analyses, exploratory factor analysis, and confirmatory factor analyses of data collected using the Chinese job crafting scale (C-JCS) were also calculated. FINDINGS The C-JCS has good validity and reliability. The goodness-of-fit indices for confirmatory factor analysis were acceptable (CFI = 0.933, NFI = 0.927, TLI = 0.920, IFI = 0.933). The total scale Cronbach's α coefficient was 0.920, and the coefficients for each dimension of this scale were between 0.804 and 0.894. CONCLUSION The C-JCS has good reliability and validity, which supports its use as an effective tool to measure the working level of job crafting among nurses in public hospitals in China. IMPLICATIONS FOR NURSE MANAGEMENT Nursing managers may use reliable and effective tools, including the C-JCS, to determine the level of job crafting at their institutions and to develop effective interventions to improve it. This article is protected by copyright. All rights reserved.Nanoporous metals (NPMs) can be readily fabricated via chemical or electrochemical dealloying of monolithic alloys with diversified shapes and compositions. Benefited from their high surface area, high density of steps and kinks on the ligament surface, and unsupported character, NPMs have attracted increasing attentions as a new class of heterogeneous catalysts with high reactivity, selectivity and long-term stability. In the present minireview, we summarize the recent advances in this exciting field and provide a critical discussion of the nature of their active sites and the structure-property correlation. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Penis transplantation represents an exciting new avenue for restoration of male genitalia and function after devastating tissue loss. This animal model is designed to fill a critical void to study immunologic aspects related to reconstructive transplantation of male genitalia. A rat penile graft dissection was designed based on the internal pudendal arteries and dorsal penile vein and includes the skin of the prepuce. A non-suture cuff technique was used to anastomose the graft vessels to the recipient superficial epigastric and femoral vessels. 77 penile transplantations were performed. Graft design yields suitable caliber and length of vessels at the radix of the penis. Anastomosis of the dorsal penile vein and the internal pudendal arteries insures optimal graft perfusion. The non-suture cuff technique allows for successful microvascular anastomosis by a single surgeon with an average overall operative time of 2.5 hours. Long-term graft survival (>30 days) was observed in syngeneic transplants. We have established a robust murine model with ideal vascular perfusion of penile tissue to study the unique immunobiology of male genitourinary allotransplantation.

The nature of therapy can affect normal patterns, a phenomenon especially important to take into consideration given the increased use of targeted therapies in the treatment of B-LL/L. Flow cytometry is widely available in many laboratories and is a cost-effective way to evaluate for B-LL/L MRD. However, panel validation and interpreter education are crucial for accurate assessment. Flow cytometry is widely available in many laboratories and is a cost-effective way to evaluate for B-LL/L MRD. However, panel validation and interpreter education are crucial for accurate assessment. His bundle pacing (HBP) is the most physiologic form of pacing. Long-term HBP capture threshold stability and its relation to lead characteristics at the time of implantation have not been adequately described. The aim of this study was to characterize HB capture threshold in follow-up and to identify potential lead characteristics predictive of lead capture instability. Consecutive patients with successful HBP for bradycardia indications were identified from the Geisinger HBP registry. His bundle capture thresholds, baseline comorbidities, and radiographic lead slack characteristics were analysed. An increase in HB capture threshold ≥1 V above implant values at any time during follow-up was tracked. Forty-four of the 294 studied (15%) experienced HB capture threshold increase by ≥ 1 V. Threshold increase was seen early (41% by 8 weeks, 66% by 1 year). Eighteen (6%) patients required lead revision in follow-up. Abnormal slack shape was associated with a trend toward capture threshold increase [hazard ratio (HR) 2.07; 95% confidence interval (CI) 0.9-4.6; P = 0.08]. Non-perpendicular angle of lead insertion on radiography was associated with the capture threshold increase (HR 2.81, 95% CI 1.4-5.8; P < 0.01). His bundle capture threshold remains stable in the majority (85%) of patients. Implant characteristics may predict the threshold rise. Further evaluation of the aetiology of threshold increase and design changes in lead and delivery systems may lead to chronically stable capture thresholds. His bundle capture threshold remains stable in the majority (85%) of patients. Implant characteristics may predict the threshold rise. Further evaluation of the aetiology of threshold increase and design changes in lead and delivery systems may lead to chronically stable capture thresholds.A novel analytical method, based on high-performance liquid chromatography with a UV (HPLC-UV) detection system for the sensitive detection of a genotoxic impurity (GTI) 5-amino-2-chloropyridine (5A2Cl) in a model active pharmaceutical ingredient (API) tenoxicam (TNX), has been developed and validated. The HPLC-UV method was used for the determination of GTI 5A2Cl in API TNX. The compounds were separated using a mobile phase composed of water (pH 3 adjusted with orthophosphoric acid) MeOH, (5050 v/v) on a C18 column (150 × 4.6 mm i.d., 2.7 μm) at a flow rate of 0.7 mL min-1. Detection was carried out in the 254 nm wavelength. Column temperature was maintained at 40°C during the analyses and 10 μL volume was injected into the HPLC-UV system. The method was validated in the range of 1-40 μg mL-1. The obtained calibration curves for the GTI compound was found linear with equation, y = 40766x - 1125,6 (R2 = 0.999). The developed analytical method toward the target compounds was accurate, and the achieved limit of detection and limit of quantification values for the target compound 5A2Cl were 0.015 and 0.048 μg mL-1, respectively. The recovery values were calculated and found to be between 98.80 and 100.03%. The developed RP-HPLC-UV analytical method in this research is accurate, precise, rapid, simple and appropriate for the sensitive analysis of target GTI 5A2Cl in model API TNX.Ischemic stroke represents one of the leading causes of mortality worldwide and especially in developing countries. It is crucial for finding effective therapeutic targets that protect the brain against ischemic injury. Long noncoding RNAs (lncRNAs) have emerged as major regulators of neurological diseases, and clarifying their roles in cerebral ischemic injury may provide novel targets for the treatment of ischemic stroke. We aimed to investigate the role of lncRNA-XLOC_035088 in middle cerebral artery occlusion (MCAO)-induced rat brain injury and oxygen-glucose deprivation (OGD)-reperfusion treated hippocampal neurons. In our findings, we found that XLOC_035088 expression was significantly upregulated in OGD-reperfusion treated hippocampal neurons and in different brain regions of MCAO-treated rats. XLOC_035088 silencing protected against MCAO-induced ischemic brain injury in vivo and OGD-induced hippocampal neuronal apoptosis in vitro. Intrahippocampal silencing of XLOC_035088 significantly decreased brain XLOC_035088 expression, reduced brain infarct size, and improved neurological function through inhibiting NOTCH1 following derepression of presenilin 2 (PSEN2). Taken together, this study provides evidence that the lncRNA XLOC_035088/PSEN2/Notch1 axis is involved in the pathogenesis of ischemic brain injury, and presents a promising therapeutic route for ischemic stroke. The reverse transcriptase (RT) region of the hepatitis B virus (HBV) is the target of antiviral treatment. However, the discrepancy in RT mutations between nucleos(t)ide analogue (NA)-treated and -untreated chronic hepatitis B (CHB) patients is un clear. Serum samples were collected from 119 NA-treated and 135 NA-untreated patients. The sampling time was decided by the clinician. Full-length HBV RT regions were amplified using nest polymerase chain reaction. The mutations within the RT region were analysed by direct sequencing. The incidence of RT mutations in treated patients was higher than that in untreated patients (p<0.05). The classic drug-resistant mutations were detected in 44.5% (53/119) of treated patients, which was significantly higher than in untreated patients (6.7% [9/135]) (p<0.05). https://www.selleckchem.com/products/17-AAG(Geldanamycin).html The non-classical mutations showed their complexity and diversity in both patient groups. Multiple mutations (three or more) were more frequent in treated patients than in untreated patients (p<0.05).

Standardized simulation courses were performed to further improve provider and support staff confidence in using the REBOA tool. Analysis of pre- and postsimulation surveys showed significant improvement in participants' confidence in their understanding and utilization of the REBOA tool and its indications. REBOA placement is a low-volume but high-impact procedure. Therefore, simulations to prepare and a standardized tool to learn from prior experience are vital to improving patient care.The American College of Surgeons requires trauma centers to track the number of injured patients admitted to a surgical service as well as nonsurgical admissions (NSAs) as a quality marker. We aim to compare the relationship between admitting service and outcomes in patients with isolated hip fracture (IHF). A 4-year retrospective cohort review of data collected from a single institution's trauma registry for adult patients with IHF was done. Patients were stratified into 2 groups based on admission to a surgical service versus NSA. Demographic and outcome variables including age, gender, Injury Severity Score (ISS), intensive care unit length of stay (ICU-LOS), deep venous thrombosis (DVT), and mortality rates were compared. Analysis of variance and χ test were used for data analysis with statistical significance defined as p .05). Patients with hip fracture requiring surgical intervention admitted to a trauma service have a shorter ICU-LOS than those admitted to nonsurgical services. Other quality markers were similar.A surgical post-acute treatment unit (SPA) was developed for acutely injured elderly patients who no longer warranted acute care in an intensive care setting to decrease complications by focusing increased bedside attention to cognition, nutrition, respiration, and mobilization. A retrospective review was performed comparing patients 65 years and older with isolated rib fractures treated before the SPA was opened with patients treated in the SPA. The 2 populations were comparable except the SPA group had a higher mean Injury Severity Score. Nine complications occurred in the pre-SPA group, and no complications occurred in the SPA patient population. Four patients in the pre-SPA group died compared with zero deaths for the SPA group. The rates of complications and mortality between elderly patients with isolated rib fractures were not statistically different between patients treated with a traditional admission to an inpatient ward and patients admitted to the SPA, even though the SPA patients had significantly more severe chest injuries. Establishing a physical environment to support the needs of elderly trauma patients with isolated rib fractures who no longer need the intensive care unit (ICU) is effective in decreasing the complications and unplanned returns to the ICU.Antifibrinolytics have demonstrated a mortality benefit in trauma patients when utilized early after injury. In line with recent literature, the authors hypothesize that early tranexamic acid (TXA) administration will decrease overall blood product administration at 24 hr. This is a retrospective cohort evaluation of 65 trauma patients admitted and discharged between May 1, 2015, and December 31, 2017, who received packed red blood cells (PRBCs) and TXA within 3 hr following injury. The primary outcome was overall PRBC utilization at 24 hr when TXA was administered less than 1 hr of injury compared with 1-3 hr of injury. A subgroup analysis compared PRBC usage at 24 hr when PRBC to TXA administration time was less than 30 min compared with 30 min or more. During the study time, 15 patients received TXA early, less than 1 hr from injury, and 50 patients received TXA within 1-3 hr of injury. Patients received a median of 7 units of PRBCs in the early group and 8 units in the standard group (p = .64) at 24 hr. Patients who received TXA less than 30 min after first PRBC received a median of 6 units at 24 hr compared with 9 units when PRBC to TXA time was 30 min or more (p = .014). There was no difference in PRBCs at 24 hr in patients who received TXA early compared with 1-3 hr from injury. There was a significant increase in PRBC requirement at 24 hr when patients received TXA 30 min or more from first PRBC. Further inquiry into the optimal timing of TXA administrated is needed.OBJECTIVE To examine the self-recalled concussion and bell ringer (BR) prevalence, reporting rates, and reporting behaviors in adolescent rugby players. DESIGN Cross-sectional survey. SETTING School classroom. PARTICIPANTS Adolescent male rugby players aged 12 to 18 years (n = 866). MAIN OUTCOME MEASURES Concussion and BR prevalence, reporting rates, and reporting behaviors. RESULTS The sample reported a concussion and BR prevalence rate of 40% and 69.9%, respectively. Of these athletes with a history, 38.4% and 86.4% suffered recurrent concussions and BRs, respectively. The total reporting rates per 1000 suspected concussions and BRs were 474.8 [95% confidence interval (CI), 415.4-534.3] and 238.7 (95% CI, 217.8-259.5), respectively. The athletes highlighted several barriers which hindered their truthful reporting of concussion, including "not thinking the injury is serious enough to report" (70%), "wanting to win the game" (38%), and "not wanting to miss future games or training" (48%). CONCLUSIONS Educational interventions are an invaluable component within a socioecological framework aimed at improving the concussion reporting rates of adolescent athletes. The self-recalled prevalence, underreporting rates, and behaviors of the sample are alarming, which prompts the need to further explore their motivational beliefs behind their decision to underreport a potential concussion. The information obtained can be used to tailor personalized interventions for specific athlete samples.OBJECTIVE Identifying personal characteristics associated with sustaining a concussion is of great interest, yet only a few have examined this in children. https://www.selleckchem.com/TGF-beta.html The purpose of this study was to examine the association between sex, neurodevelopmental disorders, health history, and lifetime history of self-reported concussion in 12- and 13-year-old athletes. DESIGN Cross-sectional study. SETTING Middle schools. PARTICIPANTS Participants were 1744 twelve- and thirteen-year-old student athletes who completed preseason Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) testing, including a self-report questionnaire about previous concussions, developmental diagnoses, and previous medical treatment. INDEPENDENT VARIABLES Age, sex, attention-deficit/hyperactivity disorder (ADHD), learning disabilities (LDs), and previous treatment for migraine. MAIN OUTCOME MEASURES Self-reported history of concussion. RESULTS A minority of athletes (13.7%) reported previous concussions (1 concussion, n = 181; 2 concussions, n = 41; and 3+ concussions, n = 17).

4, 35.4, 21.7 and 18.9%) and (8.5, 5.6, 3.5, 2.2 and 1.9 mg g-1), respectively. The selectivity of heavy metal ions resulted in the magnitude order of Pb2+ > Cu2+ > Cd2+ > Ni2+ > Co2+.Dyes are widely used in production and life. In this study, porous covalent triazine frameworks (CTFs) were synthesized and the adsorption behavior for three dyes was investigated by batch adsorption experiments. CTFs were characterized by various spectroscopic techniques for structure, porosity and surface properties. Several possible adsorption mechanisms were proposed including pore-filling, electrostatic attraction and hydrogen bonding interaction with the triazine structure of CTFs. The mechanisms were further verified by the pore size distribution and pH dependence. Additionally, CTFDCBP displayed stronger adsorption affinity and faster adsorption kinetics for dyes, because of the wide pore size distribution. This study provides a new insight into the mesoporous CTFs, which exhibit great potential as an effective adsorbent for dye removal.Hydrothermal carbonization is a feasible way to convert biomass into valuable hydrochar, the recycle of spent liquor during HTC is beneficial to reduce the output of spent liquor. The effects of spent liquor recycle on the properties of hydrochar and the biogas potential of spent liquor are investigated in this study. Part of the spent liquor (50% volume fraction) was recycled four times at 220 and 240 °C HTC, respectively. The results showed that the surface area of hydrochar was in the range of 7.2-8.6 m2/g after spent liquor recycle, and the peak of -OH, C = O and C-O became more intense. The Cd2+ adsorption capacity of hydrochar was around 1.3 mg/g and it decreased by 0.02-0.15 mg/g after spent liquor recycle. The biogas yield of spent liquor kept declining from 263 to 29 mL/g-COD with each cycle of spent liquor. Our results suggest that spent liquor recycle is a promising method to improve hydrothermal carbonization process.In the present study, the concept of 'environmental floors' in the multi-storeyed building is proposed, where separate treatment of greywater by gravity-governed stabilization tank and blackwater by underground Malaprabha digester of the DOSIWAM (Decentralized On-Site Integrated WAste Management) system is carried out. The study evaluates the feasibility of the non-mechanised DOSIWAM system by comparing it with the mechanised activated sludge process (ASP) with the life cycle and cost assessment (LCA and LCCA) method. The LCA was carried out with the SimaPro software using the impact 2002+ method. Both systems served a multi-storeyed (G + 30) building with 890 population equivalent. The LCA results reveal that the non-mechanised DOSIWAM system has three to six times reduced environmental impacts than the ASP system in almost all impact categories. Although DOSIWAMS' weaker removal efficiency dominates in the results of aquatic eutrophication and acidification impact, the latter comparative economical assessment showed to be the most cost-effective alternative due to reduced land use cost, O&M cost, and benefits achieved with energy recovery in the form of biogas. The electricity and chemical consumption in the operation phase caused the highest environmental impact for the ASP system, whereas the production of clinker and steel are responsible for a detrimental impact in the construction phase of the DOSIWAM system.In this study, the performance and mechanism of nitrogen removal in sequencing batch reactors (SBRs) with and without zero-valent iron (ZVI) was investigated. The results showed that ZVI had a capacity to promote NH4+-N conversion, NO2--N accumulation and total inorganic nitrogen (TIN) removal, with the TIN removal rate being increased by 29.45%. The ZVI also had a significant impact on microbial community structure by means of high-throughput pyrosequencing, increasing the enrichment of Anammox (anaerobic ammonium oxidation) bacteria Candidatus Brocadia and Feammox (anaerobic ferric ammonium oxidation) bacteria Ignavibacterium. With ZVI addition, the main pathway of nitrogen removal was changed from nitrification-heterotrophic denitrification to Anammox and Feammox.Rejected water from sludge processing in wastewater treatment plants (WWTPs) is very harmful due to its high concentration of ammonia nitrogen and phosphorus. https://www.selleckchem.com/products/abt-199.html It is therefore necessary to find a low-cost and convenient technique to simultaneously remove ammonia nitrogen and phosphorus from rejected water. In this study, natural granular zeolite was modified by NaCl and La(OH)3 to obtain a new material (Na@La-MZP), with several advantages compared with powdered zeolite. Na@La-MZP could remove 92.61% ammonia nitrogen (50 mg/L) and 99.01% phosphate (60 mg/L) at the optimal conditions of dosage 12.5 g/L, initial pH 6.0 and reaction time 12 hours, which enabled the effluent to satisfy the discharge standard (GB 18918-2002) for municipal WWTPs in China. The maximum adsorption capacity of Na@La-MZP was determined as 17.92 mg NH4+-N/g and 9.53 mg P/g by the Langmuir isotherm. Pseudo-second-order kinetics could well illustrate the adsorption process and show that the ammonia nitrogen and phosphate can be degraded by chemical reaction. The characterizations of Na@La-MZP confirmed the removal mechanism of ammonia nitrogen and phosphate. The Na@La-MZP still maintained more than 75% removal efficiency after five reuses. Furthermore, the estimated cost of this treatment method was 0.22 $/m3 rejected water.Low-cost banana stalk (Musa nana Lour.) biochar was prepared using oxygen-limited pyrolysis (at 500 °C and used), to remove heavy metal ions (including Zn(II), Mn(II) and Cu(II)) from aqueous solution. Adsorption experiments showed that the initial solution pH affected the ability of the biochar to adsorb heavy metal ions in single- and polymetal systems. Compared to Mn(II) and Zn(II), the biochar exhibited highly selective Cu(II) adsorption. The adsorption kinetics of all three metal ions followed the pseudo-second-order kinetic equation. The isotherm data demonstrated the Langmuir model fit for Zn(II), Mn(II) and Cu(II). The results showed that the chemical adsorption of single molecules was the main heavy metal removal mechanism. The maximum adsorption capacities (mg·g-1) were ranked as Cu(II) (134.88) > Mn(II) (109.10) > Zn(II) (108.10)) by the single-metal adsorption isotherms at 298 K. Moreover, characterization analysis was performed using Fourier transform infrared spectroscopy, the Brunauer-Emmett-Teller method, scanning electron microscopy with energy-dispersive X-ray spectroscopy, X-ray diffraction, and X-ray photoelectron spectroscopy.