数字中医药（英文）2021，Vol.4Issue(3)：241-250,10.DOI:10.1016/j.dcmed.2021.09.008
加味丹参饮通过抑制H2S介导的自噬信号通路对心肌缺血再灌注损伤的治疗作用
The therapeutic effect of Jiawei Danshen Decoction on myocardial ischemia-reperfusion injury by inhibiting H2S-mediated autophagy signaling pathway
摘要
Abstract
Objective To investigate the protective effects of Jiawei Danshen Decoction (加味丹参饮, JWDSD) on myocardial ischemia-reper-fusion injury (MIRI) via the regulation of serum Hydrogen sulfide (H2S) and cardiac Beclin1, light Chain 3A/B (LC3A/B), p62, and autophagy protein5 (ATG5). Methods Seventy specific pathogen free (SPF) Sprague-Dawley (SD) rats were randomly assigned to seven groups (n = 10 in each group), including normal control, sham operation, MIRI model (model), ischemic preconditioning, NaHS, JWDSD, and JWDSD +CSE inhibitor (JWDSD + PPG) groups, and orally administered the indicated drugs for 14 d. Two hours after the last administra-tion, the left anterior decreased branch of the coronary artery of each rat in model, NaHS, JWDSD, and JWDSD + PPG groups was ligated for 30 min and subsequently reperfused for 90 min to es-tablish the MIRI model, and the rats in the sham operation group were only exposed to the thorax after surgery without coronary ligation. Blood samples were collected to detect H2S levels using an enzyme-linked immunosorbent assay (ELISA). Heart tissues were harvested for histopathological and immunohistochemical examination and quantitative reverse transcription polymerase chain reaction analysis of Beclin1 and ATG5 mRNA expression and Western blot analysis of Beclin1, LC3A/B, and p62 protein ex-pression. Results (1) The serum H2S content in model group rats was sig-nificantly reduced (P < 0.01), JWDSD significantly increased the serum H2S content of model group rats (P < 0.01), and the CSE in-hibitor (PPG) significantly reduced H2S levels in the JWDSD group rats (P < 0.01). (2) Compared with the normal control group, the myocardial tissue necrosis and cell destruction occurred in the MIRI model group, and JWDSD could alleviate the myocardial tissue necrosis of model rats, but the ameliorative effect of JWDSD could be reversed by PPG. (3) Beclin1, LC3A/B, and p62 expression levels in the heart tissues of the model group were significantly increased (P < 0.001), whereas decreased by JWDSD (P < 0.05, P < 0.01, and P < 0.001, respectively), and the inhibitory effects of JWDSD on Beclin1, LC3A/B, and p62 expres-sion were partially reversed by PPG (P < 0.01, P < 0.05, and P < 0.01, respectively). (4) The expression levels of autophagy-re-lated genes Beclin1 and ATG5 were significantly increased in the model group (P < 0.001). JWDSD clearly downregulated the ex-pression levels of Beclin1 and ATG5 (P < 0.05 and P < 0.001, re-spectively), which were reversed by PPG (P < 0.001). Conclusion Our experimental data show that JWDSD can exhib-it an anti-MIRI role by increasing endogenous H2S generation, and downregulating the expression of Beclin1, LC3A/B, p62 and ATG5, which are related to inhibiting autophagy signaling.关键词
加味丹参饮/心肌缺血再灌注损伤/硫化氢/自噬/LC3A/B/p62/Beclin1/ATG5Key words
Jiawei Danshen Decoction (加味丹参饮,JWDSD)/Myocardial ischemia-reperfusion injury(MIRI)/Hydrogen sulfide (H2S)/Autophagy/Light chain 3A/B (LC3A/B)/p62/Beclin1/Autophagy protein5 (ATG5)引用本文复制引用
陈聪,刘洋,童巧珍,张仪,胡旭东,廖菁..加味丹参饮通过抑制H2S介导的自噬信号通路对心肌缺血再灌注损伤的治疗作用[J].数字中医药（英文）,2021,4(3):241-250,10.基金项目
We acknowledge the valuable assistance suggestions provided by Prof.CAI Xiong and Dr.YANG Songwei for this research.We thank for the funding support  （）
from the National Natural Science Foundation of China(No.81704065),Hunan Provincial Natural Sci-ence Foundation(No.2019JJ40225),the Scientific Re-search Project of Education Department of Hunan Province(No.19B415,No.19C1393 and No.20C1392),and Hunan Provincial Scientific Research Project of Chinese Medicine(No.2020015). （No.81704065）
