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               ·1734 ·                           南 京    医 科 大 学 学         报                        2021年12月


              产热。进一步机制探究发现,脂肪产热的关键基因                                 brown adipose tissues[J]. Aging Cell,2011,10(6):996-
              PRDM16是miR⁃190的直接靶基因,miR⁃190通过对                        1010
              PRDM16的负调控抑制脂肪细胞产热。因此直接调                          [6] BANK H V,KIRSH C,SIMCOX J. Aging adipose:depot
              控PRDM16表达可能对miR⁃190诱导的脂肪细胞产                            location dictates age ⁃ associated expansion and dysfunc⁃
                                                                     tion[J]. Ageing Res Rev,2021,67(5):1-11
              热下降有显着抑制作用。
                                                                [7] ALSA B,SINHA C. Obesity and aging:molecular mecha⁃
                  最后,在衰老小鼠中通过 miR⁃190 antagomir 抑
                                                                     nisms and therapeutic approaches[J]. Ageing Res Rev,
              制脂肪组织中miR⁃190的表达,结果显示,抑制miR⁃
                                                                     2021,67(986):1-23
              190 的表达后,衰老小鼠的能量消耗和耗氧量都得                          [8] 尹 立 平 ,王     龙 ,吕   珊 ,等. 11β ⁃ HSD1 抑 制 剂
              到改善提升,脂肪组织中脂滴缩小,形态得到明显                                 BVT.2733 对肥胖小鼠多器官组织代谢与炎症相关基
              改观,并且衰老诱导的产热相关基因的下降受到抑                                 因表达的影响[J]. 南京医科大学学报(自然科学版),
              制。综上所述,本研究为衰老相关代谢紊乱提供了                                 2019,39(12):1716-1722
              理论支持,并为其提供了可能的潜在治疗干预策                             [9] DOOLEY J,LISTON A. Molecular control over thymic in⁃
              略,但是还需要进一步研究 miR⁃190 在脂肪组织中                            volution:from cytokines and microRNA to aging and adi⁃
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              的其余靶点和作用。
                                                                     1079
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                   during aging by regulating fat metabolism in white and                 [收稿日期] 2021-07-30
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