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m^(6)A mRNA modification potentiates Th17 functions to inflame autoimmunity 被引量:3
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作者 Xuefei Wang Chen Chen +8 位作者 Hongwei Sun Kaiqiong Mao jiameng yao Weiqiao Zhang Meixiao Zhan Hua-Bing Li Zhiren Zhang Shu Zhu Ligong Lu 《Science China(Life Sciences)》 SCIE CAS CSCD 2023年第11期2543-2552,共10页
N6-methyladenosine(m^(6)A),the most common and abundant epigenetic RNA modification,governs mRNA metabolism to determine cell differentiation,proliferation and response to stimulation.m^(6)A methyltransferase METTL3 h... N6-methyladenosine(m^(6)A),the most common and abundant epigenetic RNA modification,governs mRNA metabolism to determine cell differentiation,proliferation and response to stimulation.m^(6)A methyltransferase METTL3 has been reported to control T cell homeostasis and sustain the suppressive function of regulatory T cells(Tregs).However,the role of m^(6)A methyltransferase in other subtypes of T cells remains unknown.T helper cells 17(Th17)play a pivotal role in host defense and autoimmunity.Here,we found that the loss of METTL3 in T cells caused serious defect of Th17 cell differentiation,and impeded the development of experimental autoimmune encephalomyelitis(EAE).We generated Mettl3f/fIl17aCre mice and observed that METTL3 deficiency in Th17 cells significantly suppressed the development of EAE and displayed less Th17 cell infiltration into central nervous system(CNS).Importantly,we demonstrated that depletion of METTL3 attenuated IL-17A and CCR5 expression by facilitating SOCS3 mRNA stability in Th17 cells,leading to disrupted Th17 cell differentiation and infiltration,and eventually attenuating the process of EAE.Collectively,our results highlight that m^(6)A modification sustains Th17 cell function,which provides new insights into the regulatory network of Th17 cells,and also implies a potential therapeutic target for Th17 cell mediated autoimmune disease. 展开更多
关键词 m^(6)A modification Th17 cells EAE SOCS family
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