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Purpose Clinical research suggests that transcranial direct current stimulation (tDCS) at bilateral supraorbital foramen and inferior orbital rim and nose intersections may facilitate rehabilitation after stroke. However, the underlying neurobiological mechanisms of tDCS remain poorly understood, impeding its clinical application. Here, we investigated the effect of tDCS applied after stroke on neural cells.Materials and methods Middle cerebral arterial occlusion (MCAO) reperfusion was induced in rats. Animals with comparable infarcts were randomly divided into MCAO group and MCAO + tDCS group. Recovery of neurological function was assessed behaviorally by modified neurological severity score (mNSS). Ischemic tissue damage verified histologically by TTC and HE staining. Immunohistochemical staining, real-time qPCR, and western blot were applied to determine the changes of neural cells in ischemic brains.Results The results reveal that tDCS treated by multilead brain reflex instrument can promote the recovery of neurological function, remarkably reduce cerebral infarct volume, promote brain tissue rehabilitation, and can effectively inhibit astrocytosis and enhance neuronal survival and synaptic function in ischemic brains.Conculsions Our study suggests that tDCS treated by multilead brain reflex instrument could be prospectively developed into a clinical treatment modality.Objectives Emerging evidence suggests that gut microbiota dysbiosis plays a critical role in chronic kidney disease (CKD). However, the relationship between altered gut microbiome profiles and disease severity remains unclear. In this study, we sought to characterize the gut microbiota in CKD patients compared to healthy controls, and to explore potential relationships between gut microbiota composition and disease severity.Methods Fecal samples were collected from 95 patients at different stages of CKD (non-dialysis patients from stage 1 to 5) and 20 healthy controls. Selleckchem Torin 2 Bacterial DNA was extracted for 16S ribosomal DNA sequencing targeting the V3-V4 region. The diversity and relative abundance of gut microbiota were analyzed as outcome indicators.Results Differences were observed in the microbial composition and diversity of fecal samples from CKD patients and healthy controls. Specifically, disease severity was found to alter gut microbiota composition. Compared to that in healthy controls, CKD patients showenthesis were enriched in healthy controls.Conclusion Gut microbiota composition and function are associated with CKD severity. And, specific gut microbes are potentially helpful for CKD early diagnosis and prognosis monitoring.Purpose Diabetic retinopathy is a leading cause of blindness worldwide. In the United States, the prevalence of diabetic retinopathy is 26% - 33%. Providing preventive care to individuals with diabetes is important to prevent microvascular complications in the eye. This study reports on the results of a randomized controlled trial to determine how using specific cues to action combined with the provision of a free eye exam might positively influence the rate of diabetic retinopathy screening among individuals with diabetes.Methods Individuals were eligible to participate in this campaign if they had a diagnosis of type 2 diabetes or were prescribed a diabetes drug, were members of the health insurance plan during the intervention period and had no evidence of receiving a retinal eye exam prior to the campaign period. The six-week campaign period started on September 19, 2017 and ended on October 31, 2017. A total of 1,454 individuals with type 2 diabetes were randomly assigned to a control group or to one of The combination of two or more nanoparticles found to be effective strategy to synthesize nanocomposites for better drug delivery and treatment. In the present study, we have combined cobalt (Co), nickel (Ni), niobium (Nb), and iron oxide (Fe2O4) and prepared niobium substituted cobalt-nickel nano-ferrite nanocomposites (Co0.5Ni0.5NbxFe2-xO4 (x ≤ 0.1) by using hydrothermal approach. We have characterized the structure and morphology of nanocomposites by using XRD, EDX, TEM and SEM methodologies. We have examined the impact of nanocomposites (Co0.5Ni0.5NbxFe2-xO4 (x ≤ 0.1) on cancerous cells (human colorectal carcinoma cells, HCT-116) by using MTT assay. We have also checked the impact of nanocomposites on normal and non-cancerous cells (human embryonic kidney cells, HEK-293) to confirm the specificity of their actions. Post- 48 h treatment of Co0.5Ni0.5NbxFe2-xO4 (x ≤ 0.1) led to dose-dependent inhibition of cancer cells growth and proliferation. However, no cytotoxic effect was observed on the normal cells (HEK-293). In addition, DAPI stained nuclear DNA staining analysis demonstrates that the Co0.5Ni0.5NbxFe2-xO4 (x ≤ 0.1) treatment also caused nuclear DNA disintegration which is the marker for programmed cell death. These results demonstrate that synthesized nanocomposites Co0.5Ni0.5NbxFe2-xO4 (x ≤ 0.1) selectively target the colon cancer cells and induce cancer cell death.Communicated by Ramaswamy H. Sarma.The aim of the research was to evaluate real-time PCR (qPCR) as an alternate method for quantitative detection of Brucella abortus strain 544 (S544) in the spleen of mice for potency testing of live B. abortus strain 19 (S19) vaccine. IS711 and eryC gene-based qPCR were optimized for calculating copy number. The copy number was further correlated with live Brucella count in the spleen by standard plate count (SPC) method. The mice were immunized with S19 and challenged with S544 on 30th Day post-immunization. The spleen of mice was collected at 15th, 21st, and 30th days post challenge (DPC) for estimation of S19 and S544 load via SPC as well as qPCR. The noteworthy difference was observed between immunized and unimmunized group by both methods at all time points. The maximum correlation between SPC and qPCR method was observed at 15th DPC in both immunized and unimmunized group. Repeated experiments at 15th DPC gave the parallel significant difference between immunized and unimmunized group by both methods. Thus novel, risk-free qPCR method can be used for the indirect culture-free potency evaluation of S19 vaccine in order to preclude the cultivation of zoonotic Brucella organisms from spleen samples.
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