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miR-124a在胰腺发育及疾病中的作用 被引量:2

The role of miR-124a in the development and disease of pancreas
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摘要 microRNA(miRNA)是一类长度为18~25个核苷酸非编码小分子RNA,广泛存在于真核生物中并高度保守,主要参与基因转录后调控。miR-124a在中枢神经系统和胰腺中含量最为丰富,在其他器官中的表达量约低100倍。近年研究显示,miR-124a参与胰腺发育、生理及病理多种过程的调节,包括:(1)通过阻断TGFβ途径诱导人胎盘间充质干细胞向胰腺祖细胞方向分化(2)靶向调控Foxa2、iGluR等与胰岛激素分泌相关的重要转录因子,介导胰岛激素的释放(3)通过与下游靶基因Rac1的相互作用在胰腺癌细胞生长,侵袭和转移中起关键作用(4)通过调控CHSY1及其下游靶点CASP1的表达水平参与慢性胰腺炎CP的发生等。研究miR-124a对于深入了解胰腺发生及疾病机理及其治疗具有重要意义。
出处 《生理科学进展》 CAS 北大核心 2019年第3期195-199,共5页 Progress in Physiological Sciences
基金 国家自然科学基金(31472159) 东北林业大学大学生创新项目资助课题
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