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Background Although it has been reported that neurocognitive rehabilitation is effective for improving upper limb function in acute and subacute stroke patients, its effectiveness has not been clarified in community-dwelling chronic stroke patients. Objective To examine the effect of neurocognitive rehabilitation on upper limb function in community-dwelling chronic stroke patients. Methods Eight community-dwelling chronic stroke patients participated in the study. The mean period from the stroke onset to the start of the intervention was 425.3 days (approximately 14 months post-stroke). All patients received neurocognitive rehabilitation for 60 min, twice per week, for 3 months. Fugl-Meyer Assessments (FMA) were performed, and the amount of use (AOU) and quality of movement (QOM) of the Motor Activity Log (MAL) were measured before and after the intervention. We used the Wilcoxon signed-rank test to analyze the data. Results The total, shoulder/elbow/forearm, and wrist scores of the FMA, MAL-AOU, and MAL-QOM significantly improved after the intervention compared to those before the intervention. However, significant improvement was not observed in the hand score of the FMA. ConclusionNeurocognitive rehabilitation could be effective for improving upper limb function in community-dwelling chronic stroke patients.

The purpose of this study is to investigate the radioprotective effect of melatonin by analyzing histopathological changes and serum biochemical levels on experimental rat models exposed to flattening filter (FF) and flattening filter-free (FFF) beam.

Forty-eight healthy adult Sprague Dawley rats were randomly divided into six groups. The control (Group 1) was given no treatment, the melatonin (Group 2) was given 10 mg/kg melatonin only, the FF (Group 3) and FFF (Group 5) were given fractionated dose (Total 32 Gy, 5 consecutive days) radiotherapy only, and the FF plus melatonin (Group 4) and FFF plus melatonin (Group 6) were given 10 mg/kg melatonin 15 minutes prior to irradiation. Rats were examined for histopathology and biochemical analysis 10 days after irradiation.

When results of FF and FFF radiotherapy only groups are compared to control group, statistically significant difference in histopathological and biochemical parameters are observed; however, melatonin administration in radiotherapy plus mage. Since the radiobiological results of FF and FFF beams are similar, FFF beams can be safely applied in laryngeal irradiation. However, more experimental rat and clinical studies are needed to clarify the radiobiological uncertainy concerning dose rate on cancerous and healthy tissue.Wnt signaling is activated in many cancer types, yet targeting the canonical Wnt pathway has been challenging for cancer therapy. The pathway might be effectively targeted at many levels depending on the mechanism by which it has become hyperactive. Recently, mouse genetic screens have found that R-spondins (RSPOs) act as oncogenes. Evidence includes recurrent genomic rearrangements that led to increased RSPO2 or RSPO3 expression in human colorectal adenocarcinomas, exclusive of APC mutations. RSPOs modulate Wnt signaling to promote epithelial cell proliferation and survival. These secreted proteins modulate Wnt signaling by binding to G-coupled receptors LGR4/5/6, ultimately inhibiting frizzled membrane clearance by RNF43 and ZNRF3. They also exert their function independent of leucine-rich repeat-containing, G protein-coupled receptors (LGRs) by binding to ZNRF3 and RNF43. This results in increased β-catenin concentration that, after translocation to the nucleus, acts as a transcriptional coactivator of genes necessary for proliferation and cell survival. In this article, we aimed to identify the role of RSPOs in colon and breast cancers by using in silico and in vitro studies. We found that expression of RSPO2 and RSPO3 at high levels characterized a subset of colorectal cancers (CRCs). RSPO2 expression was found to characterize a subset of triple-negative breast cancers. In both instances, increased expression of RSPOs was associated with an activated Wnt signaling gene expression profile. Furthermore, knockdown of RSPO2 decreased Wnt signaling and proliferation in human breast cancer cells. Our findings show and confirm that RSPO2 and RSPO3 expression is upregulated in a subset of colorectal adenocarcinomas and breast cancers and that both are attractive druggable oncoprotein targets against such cancers. We also describe novel fusion transcripts that occur in CRC.The coronavirus disease 2019 (COVID-19) is an ongoing global pandemic caused by severe acute respiratory syndrome coronavirus 2. During the past 10 months, COVID-19 has killed over 1 million people worldwide. Under this global crisis, data sharing and management of the COVID-19 information are urgently needed and critical for researchers, epidemiologists, physicians, bioengineers, funding agencies, and governments to work together in developing new vaccines, drugs, methods, therapeutics, and strategies for the prevention and treatment of this deadly and rapidly spreading disease. click here The COVID-19 pandemic information includes the database of COVID-19-patient biospecimen resources in hospitals or biorepositories, electronic patient health records, ongoing clinical trials and research results on this disease, policies, guidelines, and regulations related to COVID-19, and the COVID-19 outbreak tracking records, and so on. A study of the current management and data-sharing approaches, tools, software, network, and internet systems developed in the United States is conducted in this article. Based on this study, it is revealed that the existing data-sharing and management systems are facing many big challenges and problems associated with data decentralization, inconsistencies, security and legal issues, limited financial support, international communications, standardization, and globalization. To overcome and solve these problems, several integrated platform models for national and international data-sharing and management are developed and proposed in this article to meet the unprecedented need and demand for COVID-19 pandemic information sharing and research worldwide.