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Immune tolerance at maternal-fetal interface is the basis for establishment and maintenance of successful pregnancy. T cells are pivotal compositions of uterine decidual immune cells, which are required to mediate anti-infection immunity and protect embryos from external antigens attack. T cells also participate in the complex immune regulation process of maternal acceptance of semi-allogeneic embryos, and play an important role in regulating embryo implantation and maintaining pregnancy. Its dysfunction may lead to early pregnancy failures or mid-late pregnancy complications. This review summarizes the compositions, phenotypic characteristics and functions of decidual T cells at the maternal-fetal interface in recent years, and further describes the regulation of decidual CD4+ and CD8+ T cells in maternal-fetal immune tolerance as well as the molecular mechanisms of abnormal regulation leading to early pregnancy failures. Through the in-depth understanding the mechanism of maternal-fetal immune regulation, it supplies a novel concept on maternal-fetal immune tolerance and new clues for the immunotherapy of pregnancy-related diseases.The maintenance of human pregnancy and the initiation of parturition are closely related with the dynamic balance of the maternal-fetal immune microenvironment. Implantation of the blastocyst into the maternal decidua is the first step in pregnancy establishment, which is favored by the abundant blood flow and the immunotolerant microenvironment maintained by the balance of immune cells. The parturition resembles an inflammatory response that includes secretion of cytokines by resident and infiltrating immune cells into reproductive tissues and the maternal-fetal interface, which promotes the delivery of fetus from maternal organism. Therefore, the immune microenvironment in maternal-fetal interface regulates the critical steps of pregnancy and parturition. When the maternal-fetal immune microenvironment is imbalanced or impaired, miscarriage or preterm labor would happen. This article reviews the roles and mechanisms of several important immune cells in the maternal-fetal interface during the parturition and preterm labor.PURPOSE This randomised controlled study evaluated the effectiveness of an oral probiotic, Streptococcus salivarius M18 (SsM18), in children with black stains (BSs) in order to counteract their reformation. MATERIALS AND METHODS Fifty-eight children (aged 4-10 years) presenting with BSs were enrolled. They were randomly divided into two groups group A (n = 29) included children who were given the test product containing SsM18 once a day for 3 months; group B (n = 29) included children who did not receive any treatment. Before beginning the study, all the children underwent professional removal of BSs. The assessment of BSs was done after 3 months (T1) and after 6 months (T2). RESULTS Four patients (1 belonging to group A and 3 to group B) were excluded from the study because they started antibiotic therapy. After 3 months (T1), BSs were detected in 6 of the 28 children (21.2%) from group A and in 13 out of the 26 (50%) children from group B (p 0.05). CONCLUSIONS BSs formation in children could be prevented by administering S. salivarius M18.Mitochondria fulfill the high metabolic energy demands of the kidney and are regularly exposed to oxidative stress causing mitochondrial damage. The selective removal of damaged and dysfunctional mitochondria through a process known as mitophagy is essential in maintaining cellular homeostasis and physiological function. Mitochondrial quality control by mitophagy is particularly crucial for an organ such as the kidney, which is rich in mitochondria. The role of mitophagy in the pathogenesis of kidney diseases has lately gained significant attention. In this review, we summarize the current understanding of the implications of mitophagy during pathological conditions of the kidney, including acute and chronic kidney diseases.Methods and experiments In this study, a functionalized multiwalled carbon nanotube (MWCNT)-coated solid-phase microextraction (SPME) fiber was developed for concentrating analytes in aqueous samples. Sodium deoxycholate (NaDC) was used as a dispersing agent for non-covalent modification of MWCNTs. selleckchem The coating showed porous structure and large adsorption capacity. To investigate the capability of this MWCNTs/NaDC SPME fiber, it was applied to the analysis of phenols in aqueous solution. After extraction, the analytes were desorbed in an acetonitrile-water solution and analyzed using high-performance liquid chromatography. Results The MWCNTs/NaDC fiber exhibited good analytical performance, and fine preparation reproducibility was obtained with the relative standard deviations (RSDs) ranging from 4.9% to 10.2% (n = 6) in one batch, from 5.7% to 11.9% (n = 3) among different batches. Under the optimum extraction conditions, the detection limits were 0.15-0.30 ng/mL(S/N = 3), the linear detection ranges were 1-100 ng/mL (R2 ≥ 0.9997) for these analytes, and good recoveries (80.3-95.4%) were obtained for the spiked samples. Conclusion This is a simple and accurate pretreatment method for the analysis of phenols in aqueous samples. © The Author(s) 2020.With the improvement and advance in cancer diagnosis and treatment, the cancer is still a major cause of morbidity and mortality throughout the world. Obviously, new breakthroughs in therapies remain be urgent needed. selleckchem In this work, we designed and synthesized the compound 1-4, namely resveratrol analogues with methylation of hydroxy distyrene, to further explore its new anti-cancer potential. Encouragingly, compound 1 ((E)-4,4'-(ethene-1,2-diyl)bis(3,5-dimethylphenol)) exhibited cytotoxicity superior to resveratrol in MCF 7 cells. More importantly, the compound 1 showed greater toxicity to tumor cells than that to normal cells, which proved that it could selectively kill tumor cells. The favorable results encouraged us to explore the inhibitory mechanism of compound 1 on MCF 7 cells. The research finding indicated the compound 1 inhibited tumor cell proliferation by both arresting cell cycle in S phase and apoptosis via a prooxidant manner. In addition, the results further verified compound 1 caused cell cycle arrest in S phase and apoptosis by down-regulation of the cycling A1/cycling A2 expression and the rise of Bax/Bcl-2 ratio in a p21-dependant pathway in MCF 7 cells.