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第42卷第11期 丁文筱,张 蔷,丁 宁,等. 球形脂联素对间歇低氧所致H9C2细胞损伤的保护作用及机制[J].
2022年11月 南京医科大学学报(自然科学版),2022,42(11):1523-1529,1538 ·1529 ·
等 [18] 发现gAPN可通过上调自噬减轻对乙酰氨基酚 [5] URBINA⁃VARELA R,CASTILLO N,VIDELA L A,et al.
所致肝损伤。Zhu 等 [19] 发现 gAPN 可减轻心肌缺血 Impact of mitophagy and mitochondrial unfolded protein
再灌注损伤,提示 gAPN 具有心肌保护作用。前期 response as new adaptive mechanisms underlying old pa⁃
研究发现gAPN可上调线粒体自噬减轻IH所致大鼠 thologies:sarcopenia and non⁃alcoholic fatty liver disease
[J]. Int J Mol Sci,2020,21(20):7704
颏舌肌损伤 [20] 。与前期研究一致,本研究发现
[6] REN Y H,LI Y,YAN J,et al. Adiponectin modulates oxi⁃
gAPN 可减轻 IH 所致 H9C2 心肌细胞线粒体损伤及
dative stress⁃induced mitophagy and protects C2C12 myo⁃
细胞凋亡。同时发现与IH相比,gAPN可进一步上调
blasts against apoptosis[J]. Sci Rep,2017,7(1):3209
Parkin介导的线粒体自噬。然而,当Parkin siRNA抑 [7] OTVOS L. Potential adiponectin receptor response modifier
制 Parkin 表达后,gAPN 诱导的线粒体自噬被抑制, therapeutics[J]. Front Endocrinol,2019,10:539
线粒体损伤及细胞凋亡明显增加,提示 gAPN 通过 [8] AL MUTAIRI S,MOJIMINIYI O A,AL ALAWI A,et al.
上调Parkin介导的内质网自噬减轻IH所致H9C2心 Study of leptin and adiponectin as disease markers in sub⁃
[6]
肌细胞损伤。然而,Ren 等 发现全长脂联素通过 jects with obstructive sleep apnea[J]. Dis Markers,2014,
抑制 Pink1/Parkin 介导的线粒体自噬减轻过氧化氢 2014:706314
[9] DING W X,ZHANG X F,HUANG H P,et al. Adiponec⁃
所致C2C12 细胞损伤,这与本研究不同。多项研究
tin protects rat myocardium against chronic intermittent
发现全长脂联素和 gAPN 具有不同甚至相反的作
hypoxia⁃induced injury via inhibition of endoplasmic re⁃
用。Bang 等 [21] 发现全长脂联素具有抗黑色素形成
ticulum stress[J]. PLoS One,2014,9(4):e94545
作用,而 Kim 等 [22] 发现 gAPN 具有促进黑色素形成 [10] ZHANG Q,ZHANG X L,DING N,et al. Globular adipo⁃
作用。Burkus 等 [23] 发现全长脂联素而非gAPN 可促 nectin alleviates chronic intermittent hypoxia ⁃ induced
进小鼠囊胚细胞葡萄糖摄取。因此推测不同形态 H9C2 cardiomyocytes apoptosis via ER⁃phagy induction
的脂联素及不同的实验条件可能是本研究与 Ren [J]. Cell Cycle Georget Tex,2020,19(22):3140-3153
[6] [11] TIETJENS J R ,CLAMAN D ,KEZIRIAN E J ,et al.
等 研究不同的主要原因。本研究提示上调Parkin
介导的线粒体自噬是 gAPN 减轻 IH 所致 H9C2 心肌 Obstructive sleep apnea in cardiovascular disease:a re⁃
细胞损伤的机制。 view of the literature and proposed multidisciplinary clini⁃
cal management strategy[J]. J Am Heart Assoc,2019,8
综上所述,本研究发现 Parkin 介导的线粒体自
(1):e010440
噬 在 IH 诱 导 的 H9C2 心 肌 损 伤 中 起 保 护 作 用。
[12] ZHANG X,RUI L,LV B,et al. Adiponectin relieves hu⁃
gAPN通过上调Parkin介导的线粒体自噬减轻IH所
man adult cardiac myocytes injury induced by intermit⁃
致H9C2心肌细胞线粒体损伤及细胞凋亡。本研究 tent hypoxia[J]. Med Sci Monit,2019,25:786-793
有一定的局限性,IH细胞模型不能完全模拟OSAHS [13] IORIO R,CELENZA G,PETRICCA S. Mitophagy:molec⁃
在体模型。因此未来将进行体内实验,进一步研究 ular mechanisms,new concepts on parkin activation and
线粒体自噬的作用及相关机制,探索 gAPN 减轻 IH the emerging role of AMPK/ULK1 axis[J]. Cells,2022,
所致心肌损伤的机制,为 gAPN 治疗 OSAHS 提供一 11(1):30
[14] 刁佳宇,赵宏谋,宁玉洁,等. 迷迭香酸激活Parkin介导
定的理论基础。
的线粒体自噬并抑制高糖诱导的心肌细胞肥大[J]. 南
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