01). A multivariable model with lactate group and post-ROSC vasopressor use as predictors demonstrated moderate discrimination (AUC 0.64 [95%CI0.59-0.70]). Including other variables, the most parsimonious model included lactate, age, body mass index, race, and history of arrhythmia, cancer and/or liver disease (AUC 0.70 [95% CI 0.64-0.75]). Post-ROSC lactate and need for vasopressors may be helpful in stratifying mortality risk in patients requiring mechanical ventilation after IHCA. Post-ROSC lactate and need for vasopressors may be helpful in stratifying mortality risk in patients requiring mechanical ventilation after IHCA. Information about the accuracy of intraoral scannersfor the edentulous maxilla is lacking. The purpose of this invitro study was to compare the accuracy of 3 different intraoral scanner techniques on a completely edentulous maxilla typodont. Two completely edentulous maxillary typodonts with (wrinkled typodont) and without (smooth typodont) palatal rugae were used as reference and were scanned by using an industrial metrological machine to obtain 2 digital reference scans in standard tessellation language (STL)format (dWT and dST). Three different scanning techniques were investigated in the buccopalatal technique, the buccal vestibule was scanned with a longitudinal movement ending on the palatal vault with a posteroanterior direction; the S-shaped techniquewas based on an alternate palatobuccal and buccopalatal scan along the ridge; in the palatobuccal technique, the palate was scanned with a circular movement and then with a longitudinal one along the buccal vestibule. Consecutively, 6 types of scanssion than palatobuccal technique only in the wrinkled typodont scenario, while the other scanning approaches did not show significant differences in either tested configuration. Smooth typodont scans showed better trueness than wrinkled typodont scans. Buccopalatal technique showed better mean values for trueness and precision than palatobuccal technique only in the wrinkled typodont scenario, while the other scanning approaches did not show significant differences in either tested configuration. Intraoral scannersare promising options for removable prosthodontics. However, analog aids, including occlusion rims, are still used, as a completely digital workflow is challenging and scientific evidence on the topic is scarce. The purpose of this invitro study was to assess and compare the trueness and precision of scans obtained from a reference typodontof a completely edentulous maxilla by using an intraoral scanner (TRIOS 3 Pod; 3Shape A/S) with scans obtained by using a laboratory scanner (DScan 3; EGS S.R.L.) from both Type IV stone casts and polysulfide impressions. The polyurethane resin reference typodont was replicated from a clinical cast and was scanned with a metrological machine to obtain a reference scan. Ten digital castswere obtained by applying standardized scanning strategies to the reference typodont with the intraoral scanner. A device was created to make 10 consistent polysulfide impressions, and a scan of each impression was made with the laboratory scanner and then digitally re3.7), digital reversed cast=271.2 (94.6-447.8), and digital extraoral scanner cast=341.4 (175.5-507.3); significant differences were detected between digital intraoral scanner cast and digital reversed cast (P=.003) and between digital intraoral scanner cast and digital extraoral scanner cast (P=.001). Directly scanning a solid typodont of a completely edentulous maxilla with the intraoral scanner produced better trueness and precision than scanning the polysulfide impressions or the stone casts with a laboratory scanner. Directly scanning a solid typodont of a completely edentulous maxilla with the intraoral scanner produced better trueness and precision than scanning the polysulfide impressions or the stone casts with a laboratory scanner.Life expectancy has grown tremendously. This incredible achievement for mankind has been obtained mostly thanks to three pillars hygiene, antibiotics and vaccines. They represent one of the most effective forms of medical intervention. From Jenner's work to new vaccines, immunization has reduced the consequences of infectious diseases. In the last years antimicrobial resistance (AMR) as well as emerging infectious diseases have been rated as major threats for our society, as their toll is forecasted to drastically impinge on human health and economies. Indeed, recently, the whole world has experienced such problems because of the new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiological agent of Covid-19. Herein, we propose an excursus through the three main pillars (hygiene, antibiotics and vaccination) that contributed to improving life expectancy, their clinical and economic impact and the role of vaccines to fight AMR-related diseases and emerging infectious diseases like Covid-19. The increasing emergence and spread of multiresistant microorganisms in hospital wards is a serious concern. https://www.selleckchem.com/products/dibutyryl-camp-bucladesine.html Traditional protocols are often not sufficient to protect patients susceptible to serious and life-threatening infections, therefore new strategies for decontaminating hospital environments are crucial to reducing microbial transmission and the spread the nosocomial infections. The adoption of modern technologies is indicated to supplement traditional methods and to improve desired levels of surface disinfection. This work aims to report the development, implementation, and validation of cleansing and sanitizing procedure for critical clinical settings through the innovative use of disposable cloths pre-impregnated with solutions containing different active formulations and biocidal agents, relating to the areas to be treated (low, moderate, high-risk). The implementation and validation of the sanitizing system were conducted in different wards of two healthcare structures. The protocol for the study proved to be a highly valuable alternative to the traditional cleaning procedures in healthcare settings for the sanitizing process of all kinds of surfaces. All tools were specifically designed to improve disinfection efficiency and to reduce the problems associated with traditional methods, such as preventing cross-contamination events, limiting the physical efforts of operators, and avoiding incorrect practices. Our findings add support to the knowledge that an effective sanitization procedure is critical in minimizing microorganisms' transmission and cross-contamination.

An additional aim is to review emerging therapies undergoing clinical development, including agents that interfere with disease processes believed to be important for neurodegeneration or aiming to enhance reparative responses. Notably, early trials now have shown initial evidence of enhanced remyelination both with small molecule compounds and biologicals. Finally, accumulating evidence from clinical trials and post-marketing real-world patient populations, which underscore the importance of early high effective therapy whilst maintaining acceptable tolerability, is discussed. Assessing why the spread of the COVID-19 virus slowed down in many countries in March through to May of 2020 is of great significance. The relative role of restrictions on behaviour ("lockdowns") and of a natural slowing for other reasons is difficult to assess when mass testing was not widely done. This paper assesses the evolution of the spread of the COVID-19 virus over this period when there was no data on test results for a large, random sample of the population. We estimate a version of the susceptible-infected-recovered model applied to data on the numbers who were tested positive in several countries over the period when the virus spread very fast and then its spread slowed sharply. Up to the end of April 2020, test data came from non-random samples of populations who were overwhelmingly those who displayed symptoms. Using data from a period when the criteria used for testing (which was that people had clear symptoms) was relatively consistent is important in drawing out the message from test results. We use this data to assess two things how large might be the group of those infected who were not recorded and how effective were lockdown measures in slowing the spread of the infection. We find that to match data on daily new cases of the virus, the estimated model favours high values for the number of people infected but not recorded. Our findings suggest that the infection may have spread far enough in many countries by April 2020 to have been a significant factor behind the fall in measured new cases. Government restrictions on behaviour-lockdowns-were only one factor behind slowing in the spread of the virus. Our findings suggest that the infection may have spread far enough in many countries by April 2020 to have been a significant factor behind the fall in measured new cases. Government restrictions on behaviour-lockdowns-were only one factor behind slowing in the spread of the virus.By nucleophilic addition of phosphite P(OMe)3 to a cage-opened C60 derivative, α-hydrophosphate and enol phosphate were obtained as kinetic and thermodynamic products, respectively. Different from classical Abramov products bearing a phosphorus-carbon bond, these products have a phosphorus-oxygen bond. The observed anomaly originates from the fully conjugated π system, which significantly stabilizes zwitterionic intermediates bearing a phosphorus-oxygen bond. The thus formed enol phosphate was found to exhibit an intense absorption band that extended to 730 nm, reflecting the intramolecular charge-transfer transitions. We also report domino phosphorylation reactions, which gave a cage-opened C60 derivative bearing a direct P-C bond.The photoelectronic properties of quantum dots (QDs) have a critical impact on the performance of quantum-dot-sensitized solar cells (QDSCs). Currently, I-III-VI group QDs have become the mainstream light-harvesting materials in high-performance QDSCs. However, it is still a great challenge to achieve satisfactory efficiency for light-harvesting, charge extraction, and charge collection simultaneously in QDSCs. We design and prepare Zn0.4 Cu0.7 In1.0 Sx Se2-x (ZCISSe) quinary alloyed QDs by cation/anion co-alloying strategy. The critical photoelectronic properties of target QDs, including band gap, conduction band energy level, and density of defect trap states, can be conveniently tailored. Experimental results demonstrate that the ZCISSe quinary alloyed QDs can achieve an ideal balance among light-harvesting, photogenerated electron extraction, and charge-collection efficiencies in QDSCs compared to its single anion or cation quaternary alloyed QD counterparts. Consequently, the quinary alloyed QDs boost the certified efficiency of QDSCs to 14.4 %, which is a new efficiency record for liquid-junction QD solar cells.Estimable functions play an important role in learning about certain aspects of the impact of ages, periods, and cohorts in age-period-cohort multiple classification (APCMC) models. The advantage of these estimates is that they are unbiased estimates of, for example, the deviations of age, period, and cohort effects from their linear trends, or changes in the linear trends of cohort effects within cohorts, or the residuals of fixed effect APCMC models. If the fixed effect APCMC model contains the relevant variables (is well specified), these estimable functions are unbiased estimates of functions of the parameters that generated the dependent variable data, even though the parameters that generated that data are not identified. I provide a simplified approach to establishing which functions are estimable in fixed effect APCMC models that provides an intuitive understanding of estimable functions by showing clearly and simply why they are estimable. This approach involves the partitioning of the age, period, and cohort effects into linear components and deviations from the linear components; the use of the "line of solutions"; and of the "extended null vector."The role of somatic copy number alterations (SCNAs) that occur in colorectal tumors is poorly understood. SCNAs are correlated with corresponding gene expression changes that may contribute to neoplastic progression. Thus, we examined SCNAs and the expression of messenger RNAs (mRNAs) located at corresponding loci in colorectal neoplasia, a progression model of human neoplasm. We used 42 colorectal neoplastic samples, including adenomas, intramucosal cancers (IMC) and invasive colorectal cancers (CRC) that were microsatellite stable (MSS) using a genome-wide SNP array and gene expression array (first cohort). In addition, validation analyses were examined (37 colorectal neoplasias). None of the mRNAs with a corresponding SCNA was found in the adenomas. https://www.selleckchem.com/products/PD-0332991.html However, three mRNAs, including ARFGEF2 at 20q13.13, N4BP2L2 at 13q13.1 and OLFM4 at 13q14.3 with a copy number (CN) gain at the corresponding locus were upregulated in IMCs of the first cohort. Moreover, upregulated expression of ARFGEF2 and OLFM4 was upregulated in the validation analysis.

The number of Canadian children and youth with complex care needs has continued to rise, and their need for resources across all sectors can be extensive. Navigating the maze of resources and services can create confusion and impact how care is delivered and integrated. Patient navigators can help support and guide patients and caregivers through the healthcare system by matching their needs to appropriate resources with the aim to improve access and promote the integration of care. This qualitative study explored caregivers' experiences caring for a child or youth with complex care needs, and their experiences and satisfaction as clients of a patient navigation centre. Participants included 22 clients from NaviCare/SoinsNavi, a patient navigation centre in Canada for children and youth with complex care needs and their families. Three main themes emerged 1) caring for a child or youth with complex care needs, 2) navigating the system, and 3) the value of patient navigation. Findings suggest caregivers caring for a child or youth with complex care needs often feel overwhelmed, fearful, and alone; yet, patient navigation can be an innovative approach to support their needs through facilitating more convenient and integrated care, and improving access to education, supports, and resources. Virtual Communities of Practices (vCoP) offer patients the possibility to interact and share tools and knowledge necessary for their empowerment. This paper describes the co-design process of a vCoP for the empowerment of people with ischemic heart disease (IHD). We used a modified experience-based design approach to co-design the vCoP in collaboration with people with IHD and health professionals consisting of two phases exploratory and development phase. Data collection techniques included listening labs, workshops, and online participation. Twenty-five people with IHD and ten health professionals participated. Experiences and needs for empowerment in IHD were identified in the exploratory phase allowing for the development of a Patient Journey Map. In the development phase, people with IHD prioritized needs to be addressed by the vCoP content framework in addition to content proposals. The Patient Journey Map helped to easily visualize the empowerment needs of people with IHD and it might be transferable for the development of other people-centred interventions. The co-design process also allowed the development of training materials adapted to the priorities of people with IHD. A people-centred co-design process of a vCoP may facilitate the empowerment of people with IHD. A people-centred co-design process of a vCoP may facilitate the empowerment of people with IHD.This work investigates the potential application of various sterilization methods for microorganism inactivation on the thermoplastic starch blend surface. The influence of the e-beam and UV radiation, ethanol, isopropanol and microwave autoclave on structural and packaging properties were studied. All the applied methods were successful in the inactivation of yeast and molds, however only the e-beam radiation was able to remove the bacterial microflora. The FTIR analysis revealed no significant changes in the polymer structure, nevertheless, a deterioration of the mechanical properties of the blend was observed. The least invasive method was the UV radiation which did not affect the mechanical parameters and additionally improved the barrier properties of the tested material. Moreover, it was proved that during the e-beam radiation the chain scission and cross-linking occurred. The non-irradiated and irradiated samples were subjected to the enzymatic degradation studies performed in the presence of amylase. The results indicated that irradiation accelerated the decomposition of material, which was confirmed by the measurements of weight loss, and mass of glucose and starch released to the solution in the course of biodegradation, as well as the FTIR and thermal analysis.The pandemic caused by COVID-19 has generated psychological impacts, such as fear of this disease. The authors developed the Fear of COVID-19 Scale (FCV-19S), which aims to assess the fear of COVID-19 in the general population. Adapt and validate the FCV-19S for the Portuguese language in the Brazilian context. Four main initial steps were performed translation, back-translation, semantic validation, and experimental application. Snowball sampling corresponded to 354 Brazilian participants. Psychometric tests were performed to investigate the validity and reliability of the test, such as confirmatory factor analysis (CFA). Analysis of the data showed satisfactory internal consistency (α = 0.88), and CFA (factor loads from 0.57 to 0.86) confirmed the unidimensional structure. The Brazilian version of FCV-19S is considered valid, reliable, and appropriate for application among the general Brazilian population and may contribute to the prevention, treatments, and mental health programs, resulting from the pandemic of COVID-19.The purpose of this quality improvement initiative was to identify anxious/distressed lung cancer patients and address their mental health needs directly related to the COVID-19. A total of 441 patients were screened utilizing a national distress thermometer. 47% were counseled by the NP, 32% sent for referral to the social worker. Patients reported reasons for distress as fear of delaying testing, contracting the virus and changes in their lifestyle. We found that screening all patients during the pandemic, yielded a higher than normal percentage of patients who were in need of some level of mental health services.In this paper, we investigate controlling images of Latinx immigrants in the US press. https://www.selleckchem.com/products/adenine-sulfate.html Our paper expands theory within this literature in two new directions. First, we look at the controlling image of the "illegal" as well as the conventional controlling images of the immigrant described in the literature. Second, we investigate whether controlling images of Latinx immigrants remain prevalent outside of newspapers aimed at a predominantly White audience by comparing controlling images of immigrants in Atlanta's mainstream press to the city's Black press. We find that controlling images of immigrants are prevalent in the mainstream press but seldom appear in the Black news media. We also find that the "illegal" represents the predominant controlling image of immigrants in both. Few controlling images are explicitly gendered. We argue that the lack of gendering in the controlling images of immigrants may serve to dehumanize all immigrants, complicating and expanding extant research.

A putative Type III Polyketide synthase (PKSIII) encoding gene was identified from a marine yeast, Naganishia uzbekistanensis strain Mo29 (UBOCC-A-208024) (formerly named as Cryptococcus sp.) isolated from deep-sea hydrothermal vents. This gene is part of a distinct phylogenetic branch compared to all known terrestrial fungal sequences. This new gene encodes a C-terminus extension of 74 amino acids compared to other known PKSIII proteins like Neurospora crassa. https://www.selleckchem.com/ Full-length and reduced versions of this PKSIII were successfully cloned and overexpressed in a bacterial host, Escherichia coli BL21 (DE3). Both proteins showed the same activity, suggesting that additional amino acid residues at the C-terminus are probably not required for biochemical functions. We demonstrated by LC-ESI-MS/MS that these two recombinant PKSIII proteins could only produce tri- and tetraketide pyrones and alkylresorcinols using only long fatty acid chain from C8 to C16 acyl-CoAs as starter units, in presence of malonyl-CoA. In addition, we showed that some of these molecules exhibit cytotoxic activities against several cancer cell lines.The COVID-19 epidemic has crashed on the social and economic stability of China and even the world, and raised the question how has the Chinese government done with public health in recent years? The purpose of this paper is to clarify the definition and items of Chinese public-health expenditure, then to objectively evaluate the Chinese government's performance, so as to help the government to perform better in public health. To achieve this goal, we measure the Chinese public-health expenditure at national and provincial levels based on our definition, and then compare it with the expenditures of other countries. The results show that (1) the level of public-health expenditure in China is relatively low and far lower than that in developed countries; (2) Chinese governments have not paid enough attention to the prevention and control of major public-health emergencies, which may be an important reason for the outbreak of COVID-19; (3) Chinese public-health expenditure shows a fluctuating growth trend, but the growth rate is so slow that it is lower than that of GDP and fiscal expenditure; (4) although the Chinese government inclines the public-health expenditure to the poor provinces in central and western regions, the imbalance and inequity of public-health resource allocation are still expanding among provinces; (5) there is a lot of waste of resources in the public-health system, which seriously reduces the efficiency of public-health expenditure in China. Therefore, the Chinese government should improve the quantity and quality of public-health expenditure in the above aspects.The paper investigated the torrefaction of cones from three tree species Scots pine (Pinus sylvestris L.), Norway spruce (Picea abies L.), and European larch (Larix decidua Mill.). The objective was to determine the effects of torrefaction temperature on the properties of cones with a view to their further use as a renewable energy source. Torrefaction was conducted at 200, 235, 275, and 320 °C for 60 min under an inert gas atmosphere. Elemental composition, ash content, and lower heating value (LHV) were measured for the original and torrefied samples. Torrefaction performance was evaluated using formulas for solid yield, higher heating value (HHV), HHV enhancement factor, as well as energy yield. Scanning electron microscopy (SEM) was used to assess elemental composition and structural changes at the surface of the torrefied material. For all the studied conifer species, the higher the torrefaction temperature, the greater the carbon and ash content and the higher the LHV (a maximum of 27.6 MJ·kg-1 was recorded for spruce and larch cones torrefied at 320 °C). SEM images showed that an increase in process temperature from 200 to 320 °C led to partial decomposition of the scale surface as a result of lignin degradation. Cone scales from all tree species revealed C, O, N, Mg, K, and Si at the surface (except for pine scales, which did not contain Si). Furthermore, the higher the temperature, the higher the enhancement factor and the lower the energy yield of the torrefied biomass. Under the experimental conditions, spruce cones were characterized by the lowest weight loss, the highest HHV, and the highest energy yield, and so they are deemed the best raw material for torrefaction among the studied species.In recent years, there has been an increasing interest toward the covalent binding of bioactive peptides from extracellular matrix proteins on scaffolds as a promising functionalization strategy in the development of biomimetic matrices for tissue engineering. A totally new approach for scaffold functionalization with peptides is based on Molecular Imprinting technology. In this work, imprinted particles with recognition properties toward laminin and fibronectin bioactive moieties were synthetized and used for the functionalization of biomimetic sponges, which were based on a blend of alginate, gelatin, and elastin. Functionalized sponges underwent a complete morphological, physicochemical, mechanical, functional, and biological characterization. Micrographs of functionalized sponges showed a highly porous structure and a quite homogeneous distribution of imprinted particles on their surface. Infrared and thermal analyses pointed out the presence of interactions between blend components. Biodegradation and mechanical properties appeared adequate for the aimed application. The results of recognition tests showed that the deposition on sponges did not alter the specific recognition and binding behavior of imprinted particles. In vitro biological characterization with cardiac progenitor cells showed that early cell adherence was promoted. In vivo analysis showed that developed scaffolds improved cardiac progenitor cell adhesion and differentiation toward myocardial phenotypes.The 9th meeting of Advances Against Aspergillosis in beautiful Lugano, Switzerland clearly had the most drama of any of the previous meetings, exceeding even the 1st one, in San Francisco, when we, the Co-Organizers, weren't sure that although we had a great educational idea, and had put together a great list of speakers and topics, we might have few attendees, and go bankrupt! (The story of the birth efforts in initiating these meetings is described, for the historical record [...].

This study aimed to compare the demographic characteristics, disease activity, functional status, and quality of life between patients with axial spondyloarthritis and fibromyalgia and patients with axial spondyloarthritis without fibromyalgia. We searched MEDLINE via PubMed, Cochrane, Scopus, and Embase databases, from the earliest available indexing date to March 30, 2019, for comparative studies evaluating fibromyalgia in patients with axial spondyloarthritis. Two authors extracted data independently, and all discrepancies were resolved through consensus. Seven comparative studies were identified. No statistically significant differences were observed in terms of age, levels of inflammatory markers, and prevalence of extra-articular manifestations such as uveitis, psoriasis, and inflammatory bowel disease between patients with Axial spondyloarthritis fibromyalgia and those without it. Sex ratios (female to male) were approximately 32 and 13 in patients with and without fibromyalgia, respectively. Theale to male) were approximately 32 and 13, and ratios for human leukocyte antigen B27-positive patients were 45.1% and 65.6% in patients with and without fibromyalgia, respectively. Further well-designed studies are needed to substantiate our results. To assess the efficacy and safety of intra-articular sacroiliac glucocorticoid injection in ankylosing spondylitis (AS). Patients with AS undergoing fluoroscopy-guided intra-articular sacroiliac glucocorticoid injection were enrolled between 2012 and 2018. Efficacy was assessed by numeric pain rating scale, acute phase reactants, Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), Bath Ankylosing Spondylitis Functional Index, and Ankylosing Spondylitis Disease Activity Score (ASDAS). Patients who started biologics within 3 months despite the intervention were compared with those not starting biologics, hence the nonbiologic group. A total of 96 patients were treated, with a total of 107 injections. After intervention, there were significant decreases in numeric pain rating scale (7.8 ± 1.8 vs. 3.3 ± 2.2, p < 0.001) and acute phase reactants level (erythrocyte sedimentation rate [ESR] 23.0 mm/h [10.0-47.0 mm/h] vs. 13.0 mm/h [4.0-27.0 mm/h], p < 0.001; C-reactive protein [CRP] 1.0 mg/dL [0.2-2.7 mg/dL] vs. 0.2 mg/dL [0.2-0.9 mg/dL], p < 0.001). Disease activity scores also decreased for BASDAI (6.2 ± 1.8 vs. 4.5 ± 2.5, p = 0.001), Bath Ankylosing Spondylitis Functional Index (5.5 [4.1-7.0] vs. 1.8 [0.5-4.1], p = 0.001), ASDAS-CRP (2.9 ± 1.0 vs. 2.3 ± 1.3, p = 0.046), and ASDAS-ESR (3.7 ± 1.1 vs. 2.4 ± 1.3, p < 0.001). However, 12 patients (12.5%) started biologics within 3 months. These patients showed higher ESR (91.0 mm/h [IQR 21.0-113.0 mm/h] vs. 21.5 mm/h [IQR 9.5-43.0 mm/h], p = 0.010), CRP (8.0 mg/dL [IQR 1.11-17.1 mg/dL] vs. 0.8 mg/dL [IQR 0.2-1.8 mg/dL], p = 0.002), BASDAI (7.4 ± 1.2 vs. 5.9 ± 1.8, p = 0.027), and ASDAS-CRP (4.0 ± 0.5 vs. 2.8 ± 1.0, p = 0.004) than the nonbiologic group. There was no serious adverse event. Intra-articular sacroiliac glucocorticoid injection can be a safe and effective treatment option for active sacroiliitis in AS. Intra-articular sacroiliac glucocorticoid injection can be a safe and effective treatment option for active sacroiliitis in AS. To evaluate FRAX clinical performance without bone mineral density (BMD) to approach people with fracture risk. A cross-sectional study was carried out from July 2012 to February 2020 at outpatient clinic of rheumatology in 2 public hospitals. Postmenopausal women between 40 and 90 years of age were chosen if no previous osteoporosis treatment was received and had femoral neck BMD determination. Clinical performance of FRAX without BMD was evaluated using agreement and diagnostic test statistics. Four hundred seventy-seven women with a mean age of 62.85 years were included. FRAX without BMD classified 46.03% of them at low risk, 45.82% intermediate risk, and 8.16% high risk. When BMD was included, 17.19% of them revealed high risk. Not incorporating BMD value in the risk assessed a higher percentage of error in the fracture risk classification in high-risk patients; otherwise, including BMD reclassified it as risk below treatment threshold in 20.51% of the patients. The percentage of agreement between the recommendations based on FRAX with and without BMD was 94.98%. Agreement between FRAX score with or without BMD was good to very good (κ = 0.79, Gwet = 0.93). FRAX without BMD presented a positive predictive value of 79.5% and negative predictive value of 97.7%. FRAX without BMD correctly classified most women evaluated, primarily low-risk women. In order to identify accurately women at high fracture risk, it would be advisable to determine the BMD in women with moderate to high risk of FRAX without BMD. FRAX without BMD correctly classified most women evaluated, primarily low-risk women. In order to identify accurately women at high fracture risk, it would be advisable to determine the BMD in women with moderate to high risk of FRAX without BMD. Patients' information needs may differ from what their care providers may perceive to be the patients' needs. This discordance needs to be recognized and addressed. We conducted a qualitative study to explore the perceptions of patients with selected musculoskeletal disorders and those of rheumatologists, on their preferred strategies for delivery of disease management information. Fifty-two patients diagnosed with either rheumatoid arthritis, knee osteoarthritis, or osteoporosis took part in 6 focus groups and 18 individual semistructured interviews. In addition, 11 rheumatologists participated in 2 focus groups and 4 semistructured individual interviews. Data were explored by thematic content analysis. Perceived preferences were identified and compared between patients and rheumatologists regarding (a) media, (b) setting, (c) messengers, and (d) key message content. Patients' preferred media for disease management information were electronic (television and videos delivered as digital optical discs ts. For example, patients want to learn about lifestyle changes and consequences of compliance versus noncompliance, whereas rheumatologists considered more important for patients to understand their disease, treatment adverse effects, and consequences of noncompliance. Rheumatologists' preferences on strategies for education (mode of delivery, delivery setting, messengers, and topics) differ from those of patients. https://www.selleckchem.com/products/benzylpenicillin-potassium.html For example, patients want to learn about lifestyle changes and consequences of compliance versus noncompliance, whereas rheumatologists considered more important for patients to understand their disease, treatment adverse effects, and consequences of noncompliance.

Purinergic receptors have been reported to be involved in brain disorders. In this study, we explored their roles and mechanisms underlying the memory impairment in rats with type 2 diabetes mellitus (T2DM). T2DM rats exhibited a worse performance in the T-maze and Morris water maze (MWM) than controls. Microglia positive for P2X purinoceptor 4 (P2X4R) in the hippocampus were reduced and activated microglia were increased in T2DM rats. Long Amplicon PCR (LA-PCR) showed that DNA amplification of the p2x4r gene in the hippocampus was lower in T2DM rats. Minocycline significantly reduced the number of activated microglia and the mean distance traveled by T2DM rats in the MWM. Most importantly, P2X4R overexpression suppressed the activated microglia and rescued the memory impairment of T2DM rats. Overall, T2DM led to excessive activation of microglia in the hippocampus, partly through the DNA damage-mediated downregulation of P2X4Rs, thus contributing to memory impairment.To assess causal association of depression with subclinical coronary atherosclerosis, we performed computer-based and manual search of literature for studies which had assessed relationship of depression disorder with coronary atherosclerosis. All studies had diagnosed depression with validated tools in patients without diagnosed coronary artery disease. The Bradford Hill criteria of cause-effect association was consistently fulfilled by those studies which achieved statistical significance and further showed incremental strength of association with one or more of the following attributes (1) prospective cohort study, met cause-effect criteria of "temporality"; (2) relatively severe and/or longer period of depression, met cause-effect criteria of "dose-response"; (3) depression with predominantly somatic symptoms cluster, met cause-effect criteria of "scientific plausibility"; (4) multiethnic larger sample, met cause-effect criteria of "population equivalence"; and (5) multicenter study, met criteria of "environmental equivalence." Our results show that there is a significant association of depression with coronary atherosclerosis at its subclinical stages.Syncope is defined as a transient loss of consciousness due to cerebral hypoperfusion, characterized by a rapid onset, short duration, and spontaneous complete recovery. It is usually a benign event, but sometimes it may represent the initial presentation of several cardiac disorders associated with sudden cardiac death during physical activity. A careful evaluation is essential particularly in young adults and in competitive athletes in order to exclude the presence of an underlying life-threatening cardiovascular disease. The present review analyzes the main non-cardiac and cardiac causes of syncope and the contribution of the available tools for differential diagnosis. Clinical work-up of the athlete with syncope occurring in extreme environments and management in terms of sports eligibility and disqualification are also discussed.We study βLAP and its derivative nor-β-Lapachone (NβL) complexes with 2-hydroxypropyl-β-cyclodextrin to increase the solubility and bioavailability. The formation of true inclusion complexes between βLAP or NβL in 2-HP-β-CD in solid solution was characterization by FT-IR, DSC, powder X-ray was and was confirmed by one- and two-dimensional 1H NMR experiments. Additionally, the biological activities of βLAP, NβL, ICβLAP, and ICNβL were investigated through trypanocidal assays with T. cruzi and cytotoxicity studies with mouse peritoneal macrophages. Originally, we tested these complexes against T. cruzi viability and observed higher biological activities and lower cytotoxicity when compared to βLAP and NβL. Thus, the complexation of βLAP and NβL with 2-HP-β-CD increases the drug solubility, in addition vectorization was observed, increasing the biological activity against epimastigotes and trypomastigotes T. cruzi forms. Reduced the toxicity of the compounds against mammalian cells. In addition, the selectivity indices higher of the inclusion complexes comparing to substance free and those of benznidazole.Mitochondrial dysfunction is implicated in a variety of neurodegenerative diseases of the nervous system. https://www.selleckchem.com/products/combretastatin-a4.html Peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1α) is a regulator of mitochondrial function in multiple cell types. In sensory neurons, AMP-activated protein kinase (AMPK) augments PGC-1α activity and this pathway is depressed in diabetes leading to mitochondrial dysfunction and neurodegeneration. Antimuscarinic drugs targeting the muscarinic acetylcholine type 1 receptor (M1R) prevent/reverse neurodegeneration by inducing nerve regeneration in rodent models of diabetes and chemotherapy-induced peripheral neuropathy (CIPN). Ca2+/calmodulin-dependent protein kinase kinase β (CaMKKβ) is an upstream regulator of AMPK activity. We hypothesized that antimuscarinic drugs modulate CaMKKβ to enhance activity of AMPK, and PGC-1α, increase mitochondrial function and thus protect from neurodegeneration. We used the specific M1R antagonist muscarinic toxin 7 (MT7) to manipulate muscarinic signaling in the dorsal root ganglia (DRG) neurons of normal rats or rats with streptozotocin-induced diabetes. DRG neurons treated with MT7 (100 nM) or a selective muscarinic antagonist, pirenzepine (1 μM), for 24 h showed increased neurite outgrowth that was blocked by the CaMKK inhibitor STO-609 (1 μM) or short hairpin RNA to CaMKKβ. MT7 enhanced AMPK phosphorylation which was blocked by STO-609 (1 μM). PGC-1α reporter activity was augmented up to 2-fold (p  less then  0.05) by MT7 and blocked by STO-609. Mitochondrial maximal respiration and spare respiratory capacity were elevated after 3 h of exposure to MT7 (p  less then  0.05). Diabetes and CIPN induced a significant (p  less then  0.05) decrease in corneal nerve density which was corrected by topical delivery of MT7. We reveal a novel M1R-modulated, CaMKKβ-dependent pathway in neurons that represents a therapeutic target to enhance nerve repair in two of the most common forms of peripheral neuropathy.

SUMMARY Recent advances in the understanding of pneumococcal virulence factors provide potential opportunities for the development of novel putative therapeutic or preventive strategies.Continuous bedside pulse oximetry (SpO2) is universally used to monitor oxygenation for patients supported on veno-venous extracorporeal membrane oxygenation (VV-ECMO). Yet, elevated carboxyhemoglobin (COHb), a known event in VV-ECMO, diminishes the reliability of SpO2. This retrospective cohort study aims to assess the accuracy of SpO2 compared with oxyhemoglobin (SaO2) and quantify COHb levels by co-oximetry in the VV-ECMO population. Forty patients on VV_ECMO from 2012 to 2017 underwent 1,119 simultaneous SaO2 and SpO2 measurements. https://www.selleckchem.com/products/l-monosodium-glutamate-monohydrate.html Most patients were male (60%) with average age of 46 years. SpO2 overestimated SaO2 values by 2.35% at time of cannulation and 0.0061% for each additional hour on VV-ECMO (p 3% of hemoglobin saturation) at least once during VV-ECMO support and 602 (40.2%) arterial blood gases yielded elevated COHb levels. Mean duration for ECMO with elevated COHb was 244 hours compared with 98 hours in patients without (p less then 0.0048). Patients who developed COHb were younger (mean age 40 vs. 55 years, p less then 0.024) and had single-site double-lumen cannulation (odds ratio = 4.5, p = 0.23). At time of cannulation, mean COHb was 2.18% and increased by 0.0054% for each additional hour (p less then 0.0001). For every 1% increase in COHb, SaO2 decreased by 1.1% (p less then 0.0001). During VV-ECMO, SpO2 often overestimates SaO2 by substantial margins. This is attributable to rising COHb levels proportional to duration on VV-ECMO. In this population where adequate oxygen delivery is often marginal, clinicians should be wary of the reliability of continuous pulse oximetry to assess oxygenation.Microchannel artificial lungs may provide highly efficient, long-term respiratory support, but a robust predictive oxygen transfer (VO2) model is needed to better design them. To meet this need, we first investigated the predictive accuracy of Mikic, Benn, and Drinker's advancing front (AF) oxygen transfer theory by applying it to previous microchannel lung studies. Here, the model that included membrane resistance showed no bias toward overprediction or underprediction of VO2 (median error -1.13%, interquartile range [-26.9%, 19.2%]) and matched closely with existing theory. Next, this theory was expanded into a general model for investigating a family of designs. The overall model suggests that, for VO2 = 100 ml/min, fraction of delivered oxygen (FDO2) = 40%, wall shear stress (τw) = 30 dyn/cm, and blood channel height = 20-50 μm, a compact design can be achieved with priming volume (Vprime) = 5.8-32 ml; however, manifolding may be challenging to satisfy the rigorous total width (Wtotal) requirement (Wtotal = 76-475 m). In comparison, 100-200 μm heights would yield larger dimensions (Vprime = 122-478 ml) but simpler manifolding (Wtotal = 4.75-19.0 m). The device size can be further adjusted by varying FDO2, τw, or VO2. This model may thus serve as a simple yet useful tool to better design microchannel artificial lungs.STUDY DESIGN Retrospective comparative study. OBJECTIVE The goal was to determine whether comorbid depression and/or anxiety influence outcomes after anterior cervical discectomy and fusion (ACDF) for patients with degenerative cervical pathology. BACKGROUND DATA The role preoperative mental health has on patient reported outcomes after ACDF surgery is not well understood. METHODS Patients undergoing elective ACDF for degenerative cervical pathology were identified. Patients were grouped based on their preoperative mental health comorbidities, including patients with no history, depression, anxiety, and those with both depression and anxiety. All preoperative medical treatment for depression and/or anxiety was identified. Outcomes including Physical Component Score (PCS-12), Mental Component Score (MCS-12), Neck Disability Index (NDI), Visual Analogue Scale neck pain score (VAS Neck ), and Visual Analogue Scale arm pain score (VAS Arm) were compared between groups from baseline to postoperative measurements us after ACDF. No differences were identified in postoperative outcomes between each of the groups. LEVEL OF EVIDENCE Level III.STUDY DESIGN Retrospective study. OBJECTIVE The goal of this study is to identify and validate the reliability and accuracy of 2 methods used to assess lumbar disk herniations (LDHs) anteroposterior length and cross-sectional area. BACKGROUND Many clinicians characterize LDHs through the measurement of the anteroposterior length in the axial plane. Radiologists, on the other hand, have utilized software to measure the disk and canal areas to define the injury. In this study, the authors consider the reliability and accuracy of anteroposterior length in comparison with the area. METHODS Using International Classification of Diseases, 10th Revision (ICD-10) code M51.26, patients at a single academic medical center who received a diagnosis of primary lumbar radicular pain with subsequent magnetic resonance imaging documentation of a single-level disk herniation in 2015 and 2016 were identified. AGFA-IMPACS software was utilized to make the following measurements anterior-posterior canal length; anterior-posterioa herniation or canal in its measurement. Thus, it is superior in its characterization LDH particularly in light of its stronger reproducibility. LEVEL OF EVIDENCE Level III-retrospective study.STUDY DESIGN A retrospective review of a prospective, randomized control Food and Drug Administration (FDA) investigational device exemption trial comparing anterior cervical discectomy and fusion (ACDF) with Bryan cervical disc arthroplasty. OBJECTIVE Determine the clinical significance of adjacent-level ossification disease (ALOD) on long-term functional outcomes after ACDF or arthroplasty. SUMMARY OF BACKGROUND DATA ALOD occurs when the anterior longitudinal ligament and annulus adjacent to the index surgical level calcifies. As previously reported, ALOD happens more commonly after an arthrodesis than an arthroplasty. No investigation has previously examined 10-year clinical outcomes associated with ALOD. MATERIALS AND METHODS Forty patients were included in the 10-year follow-up. The index level was radiographically blinded and the cephalad-adjacent level was evaluated for ALOD. These scores underwent statistical analysis to compare the 2 surgical groups (ACDF and arthroplasty) for differences in the development of ALOD at a decade follow-up.

Sjögren syndrome (SS) is a chronic inflammatory autoimmune disease of the lacrimal and salivary glands. Salivary gland biopsy is still one of the most valuable and acceptable diagnostic tests for SS, which however, is an invasive test. Therefore, noninvasive diagnostic biomarkers with high specificity and sensitivity are required for the diagnosis and assessment of SS. Because ophthalmological testing constitutes to an important part for the diagnosis of SS. Tears harbor biomarkers with a high potential to be used for differential diagnosis and assessment of treatment in many systemic disorders, including SS. This review aims to summarize recent advances in the identification of tear biomarkers of SS, trying to identify reliable, sensitive, and specific biomarkers that can be used to guide treatment decisions. Sjögren syndrome (SS) is a chronic inflammatory autoimmune disease of the lacrimal and salivary glands. Salivary gland biopsy is still one of the most valuable and acceptable diagnostic tests for SS, which however, is an invasive test. Therefore, noninvasive diagnostic biomarkers with high specificity and sensitivity are required for the diagnosis and assessment of SS. Because ophthalmological testing constitutes to an important part for the diagnosis of SS. Tears harbor biomarkers with a high potential to be used for differential diagnosis and assessment of treatment in many systemic disorders, including SS. This review aims to summarize recent advances in the identification of tear biomarkers of SS, trying to identify reliable, sensitive, and specific biomarkers that can be used to guide treatment decisions. Access to healthcare, a national priority, may be better understood through medical surveillance programs like the World Trade Center Health Program (WTCHP). Measures of healthcare access and utilization for 1159 9/11 rescue and recovery workers ("responders") at the Rutgers Clinical Center of Excellence (CCE) were assessed using negative binomial modeling of the Benefits Eligibility Assessment Screening Tool and compared with 174 9/11 responders in the 2017 New York City Community Health Survey (NYCCHS) using z-testing. Approximately 10.8% of Rutgers CCE respondents lacked at least one aspect of healthcare access. Problems accessing healthcare and basic needs were positively associated with CCE utilization and differed between Rutgers CCE and NYCCHS respondents. Some 9/11 responders bridge healthcare access gaps via participation in the WTCHP. Surveillance survey tools may help to identify healthcare disparities. Some 9/11 responders bridge healthcare access gaps via participation in the WTCHP. Surveillance survey tools may help to identify healthcare disparities.Immune-related adverse events (irAEs) of immune checkpoint inhibitors can potentially affect every organ system, are sometimes challenging, and require a multidisciplinary approach. Most common irAEs are very well characterized, but some other such rare autoimmune liver diseases are probably underdiagnosed and less explored. We present here the case of a 69-year-old man with metastatic melanoma developing a severe primary biliary cirrhosis under pembrolizumab, and of a 52-year-old woman with metastatic melanoma with granulomatous hepatitis in the context of an immune-related multiorgan inflammatory reaction due to ipilimumab and nivolumab. Both cases were in part steroid refractory and required a complex diagnostic assessment and long-term therapeutic management. The liver biopsy was crucial for ensuring a correct diagnosis. Clinicians should be aware of rare liver diseases in the context of increased liver enzymes under immune checkpoint inhibitors, especially if not responding to corticosteroids. The primary diagnostic workup should localize the liver damage (biliary or parenchymal) and distinguish irAEs from other pathologic conditions such as metastasis, second benign and malignant tumors, viral hepatitis, and cholelithiasis. If in doubt, a liver biopsy should be performed. Early diagnosis and accurate assessment of hepatic adverse events is necessary for prompt and effective treatment, with reduction of inappropriate discontinuation of immunotherapy, morbidity, and mortality.Checkpoint inhibitor therapy is an established cancer treatment option often complicated by the development of immune-related adverse events. Vasculitis has been reported with a broad spectrum of both cutaneous and systemic manifestations and can be complicated by delayed diagnosis. The authors report 2 histologically proven cases of cutaneous leucocytoclastic vasculitis induced by programmed cell-death 1 inhibitor inhibitor nivolumab. As physicians, including medical oncologists and dermatologists, we need to be aware of this clinical entity and the importance of clinicopathological confirmation in this setting to confirm the diagnosis to help guide the management of these complex patients. The goal of this study was to assess global cerebral glucose uptake in subjects with known cardiovascular risk factors by employing a quantitative 18F-fluorodeoxyglucose-PET/computed tomography (FDG-PET/CT) technique. https://www.selleckchem.com/products/rbn-2397.html We hypothesized that at-risk subjects would demonstrate decreased global brain glucose uptake compared to healthy controls. We compared 35 healthy male controls and 14 male subjects at increased risk for cardiovascular disease (CVD) as assessed by the systematic coronary risk evaluation (SCORE) tool. All subjects were grouped into two age-matched cohorts younger (<50 years) and older (≥50 years). The global standardized uptake value mean (Avg SUVmean) was measured by mapping regions of interest of the entire brain across the supratentorial structures and cerebellum. Wilcoxon's rank-sum test was used to assess the differences in Avg SUVmean between controls and at-risk subjects. Younger subjects demonstrated higher brain Avg SUVmean than older subjects. In addition, in both age strata, the 10-year risk for fatal CVD according to the SCORE tool was significantly greater in the at-risk groups than in healthy controls (younger P = 0.0304; older P = 0.0436). In the younger cohort, at-risk subjects demonstrated significantly lower brain Avg SUVmean than healthy controls (P = 0.0355). In the older cohort, at-risk subjects similarly had lower Avg SUVmean than controls (P = 0.0343). Global brain glucose uptake appears to be influenced by chronic cardiovascular risk factors. Therefore, FDG-PET/CT may play a role in determining the importance of CVD on brain function and has potential for monitoring the efficacy of various therapeutic interventions. Global brain glucose uptake appears to be influenced by chronic cardiovascular risk factors. Therefore, FDG-PET/CT may play a role in determining the importance of CVD on brain function and has potential for monitoring the efficacy of various therapeutic interventions.

Serum Prostatic Specific Antigen (PSA) inversely correlated with the median expression of miR-187 in prostatic tissue (p=0.002). Further, the expression of miRNA-187 in prostate cancer tissue was significantly decreased in metastatic prostate cancer (p=0.037). Using ROC analysis, miRNA-187 expression was able to distinguish the presence or absence of bone metastasis [area under ROC (AUROC) (±SD) was 0.873±0.061, p less then 0.001]. CONCLUSION The miRNA-182 and miRNA-187 appear to be promising biomarkers in prostate cancer and miRNA-187 can serve as an important diagnostic marker of metastatic prostate cancer. Available at. https//www.intbrazjurol.com.br/pdf/aop/2019-0409OA.pdf. Copyright® by the International Brazilian Journal of Urology.OBJECTIVE To investigate the effect of perioperative complications involving artificial urinary sphincter (AUS) implantation on rates of explantation and continence as well as health-related quality of life (HRQOL). MATERIALS AND METHODS Inclusion criteria encompassed non-neurogenic, moderate-to-severe stress urinary incontinence (SUI) post radical prostatectomy and primary implantation of an AUS performed by a high-volume surgeon (>100 previous implantations). Reporting complications followed the validated Clavien-Dindo scale and Martin criteria. HRQOL was assessed by the validated IQOL score, continence by the validated ICIQ-SF score. Statistical analysis included Chi (2) test, Mann-Whitney-U test, and multivariate regression models (p less then 0.05). RESULTS 105 patients from 5 centers met the inclusion criteria. After a median follow-up of 38 months, explantation rates were 27.6% with a continence rate of 48.4%. In the age-adjusted multivariate analysis, perioperative urinary tract infection was confirmed as an independent predictor of postoperative explantation rates [OR 24.28, 95% CI 2.81-209.77, p=0.004). Salvage implantation (OR 0.114, 95% CI 0.02-0.67, p=0.016) and non-prostatectomy related incontinence (OR 0.104, 95% CI 0.02-0.74, p=0.023) were independent predictors for worse continence outcomes. Low visual analogue scale scores (OR 9.999, 95% CI 1,42-70.25, p=0.021) and ICIQ-SF scores, respectively (OR 0.674, 95% CI 0.51-0.88, p=0.004) were independent predictors for increased HRQOL outcomes. Perioperative complications did not significantly impact on continence and HRQOL outcomes. CONCLUSION Findings show postoperative infections adversely affect device survival after AUS implantation. However, if explantation can be avoided, the comparative long-term functional results and HRQOL outcomes are similar between patients with or without perioperative complications. Available at. https://www.selleckchem.com/products/tpen.html https//www.intbrazjurol.com.br/pdf/aop/2019-0526OA.pdf. Copyright® by the International Brazilian Journal of Urology.Patients with staghorn renal stones are challenging cases, requiring careful preoperative evaluation and close follow-up to avoid stone recurrence. In this article we aim to discuss the main topics related to staghorn renal stones with focus on surgical approach. Most of staghorn renal stones are composed of struvite (magnesium ammonium phosphate) and are linked to urinary tract infection by urease-producing pathogens. Preoperative computed tomography scan and careful evaluation of all urine cultures made prior surgery are essential for a well-planning surgical approach and a right antibiotics choice. Gold standard surgical technique is the percutaneous nephrolithotomy (PCNL). In cases of impossible percutaneous renal access, anatrophic nephrolithotomy is an alternative. Shockwave lithotripsy and flexible ureteroscopy are useful tools to treat residual fragments that can be left after treatment of complete staghorn renal stone. PCNL can be performed in supine or prone position according to surgeon's experience. Tranexamic acid can be used to avoid bleeding. To check postoperative stone-free status, computed tomography is the most accurate imaging exam, but ultrasound combined to KUB is an option. Intra-operative high-resolution fluoroscopy and flexible nephroscopy have been described as an alternative for looking at residual fragments and save radiation exposure. The main goals of treatment are stone-free status, infection eradication, and recurrence prevention. Long-term or short-term antibiotic therapy is recommended and regular control imaging exams and urine culture should be done. Available at. https//www.intbrazjurol.com.br/pdf/aop/Torricelli_RW.pdf. Copyright® by the International Brazilian Journal of Urology.Sarcopenia, a concept reflecting the loss of skeletal muscle mass, was reported to be associated with the prognosis of several tumors. However, the prognostic value of sarcopenia in patients with renal cancer remains unclear. We carried out this meta-analysis and systematic review to evaluate the prognostic value of sarcopenia in patients with renal cell carcinomas. We comprehensively searched PubMed, Embase, and Cochrane Library from inception to December 2018. Hazard ratio (HR) and 95% confidence interval (CI) were pooled together. A total of 5 studies consisting of 771 patients were enrolled in this quantitative analysis, 347 (45.0%) of which had sarcopenia. Patients with sarcopenia had a worse OS compared with those without sarcopenia (HR=1.76; 95%CI, 1.35-2.31; P less then 0.001). In the subgroup of patients with localized and advanced/metastatic diseases, sarcopenia was also associated with poor OS (HR=1.48, P=0.039; HR=2.14, P less then 0.001; respectively). With a limited sample size, we did not observe difference of PFS between two groups (HR=1.56, 95% CI, 0.69-3.50, P=0.282). In the present meta-analysis, we observed that patients with sarcopenia had a worse OS compared with those without sarcopenia in RCC. Larger, preferably prospective studies, are needed to confirm and update our findings. Available at. https//www.intbrazjurol.com.br/pdf/aop/2019-0636RW.pdf. Copyright® by the International Brazilian Journal of Urology.BACKGROUND Worldwide feralization of crop species into agricultural weeds threatens global food security. Weedy rice is a feral form of rice that infests paddies worldwide and aggressively outcompetes cultivated varieties. Despite increasing attention in recent years, a comprehensive understanding of the origins of weedy crop relatives and how a universal feralization process acts at the genomic and molecular level to allow the rapid adaptation to weediness are still yet to be explored. RESULTS We use whole-genome sequencing to examine the origin and adaptation of 524 global weedy rice samples representing all major regions of rice cultivation. Weed populations have evolved multiple times from cultivated rice, and a strikingly high proportion of contemporary Asian weed strains can be traced to a few Green Revolution cultivars that were widely grown in the late twentieth century. Latin American weedy rice stands out in having originated through extensive hybridization. Selection scans indicate that most genomic regions underlying weedy adaptations do not overlap with domestication targets of selection, suggesting that feralization occurs largely through changes at loci unrelated to domestication.