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MBD2 promotes Th2 differentiation in ovalbumin-induced CD4+T cells
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作者 qilu pan YAN JIANG +8 位作者 LINQIAO LI XIAOJING DU QIAN HAN FEIXIANG LING ROU LI SHUYUAN CHU LIN MAI JIANWEI HUANG LIBING MA 《BIOCELL》 SCIE 2023年第11期2495-2502,共8页
Introduction:Allergen-specific CD4+T cells play a central role in autoimmune disorders,allergies and asthma,with Th2-type immunity being the typical functional response of CD4+T cells.This study aimed to investigate t... Introduction:Allergen-specific CD4+T cells play a central role in autoimmune disorders,allergies and asthma,with Th2-type immunity being the typical functional response of CD4+T cells.This study aimed to investigate the role of MBD2 in regulating Th2 cell differentiation.Methods:Splenic mononuclear cells were extracted from C57BL/6 mice,and CD4+T cells were isolated using magnetic beads and confirmed through flow cytometry.Lentivirus was employed to construct MBD2-silenced CD4+T cells.In vitro experiments were performed to treat splenogenic mononuclear cells and CD4+T cells with Ovalbumin(OVA),and Th2 cell ratios and IL-4 levels were assessed using flow cytometry and ELISA.Results:The purity of the isolated CD4+T cells was 95.73%,confirming successful isolation of primary CD4+T cells.Compared to the control group,the Th2 cell ratio exhibited an increase in the Th2-induced group.Treatment with 5-Aza(concentrations,1-100μM)promoted Th2 cell differentiation and increased IL-4 levels.Notably,when combined with Th2 induction and 10μM 5-Aza treatment,silencing MBD2 further amplified Th2 cell ratios and elevated IL-4 levels in cell supernatants.Furthermore,OVA(concentration,200μg/mL)induced the differentiation of CD4+T cells into Th2 cells and increased IL-4 secretion.Interestingly,silencing MBD2 significantly increased the Th2 cell ratio and IL-4 levels in OVA-treated CD4+T cells.Conclusion:In summary,OVA promoted CD4+T cell differentiation into Th2 cells and enhanced IL-4 levels.MBD2 was identified as a mediator of Th2 cell differentiation in splenic-derived CD4+T cells,influenced by OVA or 5-Aza treatment. 展开更多
关键词 5-AZA MBD2 CD4+T cells Th2 cells OVALBUMIN
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