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               ·294 ·                            南 京    医 科 大 学 学         报                        2023年2月


              的因果关系尚未十分明确。尽管目前认为TMAO升                                tanol attenuates cardiac remodeling in pressure⁃overload⁃
              高是心力衰竭的危险因素,但一些研究认为 TMAO                               induced heart failure mice[J]. J Nutr Biochem,2020,78:
              可能对心血管系统有益           [46-48] 。一项研究显示,在右                108341
              心室衰竭的小鼠模型中,长期的 TMAO 水平升高可                         [12] SZABO T M,FRIGY A,NAGY E E. Targeting mediators
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              心脏代谢疾病中可能存在保护作用                  [46] 。另一项对
                                                                    (23):13053
              高血压大鼠的实验发现,血浆 TMAO 的适度增加并
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              不会对心血管系统造成负面影响,并且增加膳食                                  oxide induces vascular inflammation by activating the NL⁃
              TMAO 摄入能减少压力超负荷引起的舒张功能障                                RP3 inflammasome through the SIRT3⁃SOD2⁃mtROS sig⁃
              碍 [48] 。但是目前对于 TMAO 与心力衰竭机制的研                          naling pathway[J]. J Am Heart Assoc,2017,6(9):
              究仍只是冰山一角,还需要进一步补充和完善病理                                 e006347
              生理机制,探究更明确的疾病发生发展机制,从而                            [14] CHEN C Y,LEU H B,WANG S C,et al. Inhibition of tri⁃
              找到更有效的治疗靶点或诊断和预测工具。                                    methylamine N ⁃ oxide attenuates neointimal formation
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