Effect of asiaticoside on OGD/R induced injury of H9C2 cardiomyocytes based on PI3K/Akt/Beclin-1 signaling pathway
10.16438/j.0513-4870.2022-1132
- VernacularTitle:基于PI3K/Akt/Beclin-1信号通路探析积雪草苷对OGD/R诱导损伤H9C2心肌细胞的影响
- Author:
Ce CAO
1
,
2
;
Ling-mei LI
3
;
Xiao HAN
3
;
Ao-ao WANG
3
;
Zi-yan WANG
3
;
Lei LI
3
;
Jian-xun LIU
1
,
2
Author Information
1. Institute of Chinese Medicine Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
2. National Clinical Research Center of Traditional Chinese Medicine for Cardiovascular Diseases, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Chinese Materia Pharmacology, Institute of Basic Medical Sciences of Xiyuan Hospital, Beijing 100091, China
3. National Clinical Research Center of Traditional Chinese Medicine for Cardiovascular Diseases, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Chinese Materia Pharmacology, Institute of Basic Medical Sciences of Xiyuan Hospital, Beijing 100091, China
- Publication Type:Research Article
- Keywords:
asiaticoside;
cardiomyocyte;
autophagy;
PI3K/Akt/Beclin-1;
oxygen and glucose deprivation/reperfusion
- From:
Acta Pharmaceutica Sinica
2023;58(5):1149-1155
- CountryChina
- Language:Chinese
-
Abstract:
In order to investigate the effects of asiaticoside (Ass) on H9C2 cardiomyocytes, the present study examined the potential intervention of Ass on the proliferation and phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt)/Bcl-2 homology domain protein (Beclin-1) signaling pathway in H9C2 cardiomyocytes following oxygen and glucose deprivation/reperfusion (OGD/R) injury. H9C2 cardiomyocytes were selected as the research objects, and the activity of H9C2 was detected by cell counting kit-8 (CCK-8). H9C2 cells were divided into control group, OGD/R group, Ass low concentration group (10 μmol·L-1), Ass high concentration group (80 μmol·L-1) and Ass high concentration + chloroquine group (80 μmol·L-1 + 50 μmol·L-1). The control group was cultured under normal conditions, and the other groups were treated with oxygen and glucose deprivation for 4 h and reperfusion for 2 h. The activity and content of aspartic aminotransferase (AST), lactate dehydrogenase (LDH) and creatine kinase (CK) in the supernatant of H9C2 cardiomyocytes were detected by enzyme-linked immunosorbent assay. Autophagy staining assay kit with monodansylcadaverine (MDC) method to observe cellular autophagy; molecular docking technique to identify the molecular targets of Ass. Immunofluorescence was used to observe the effect of the drug on cell number. The expression levels of PI3K, Akt, selective autophagy adaptor protein (P62) and Beclin-1 were detected by Western blot. Compared with OGD/R group, Ass group had a protective effect from 10-80 μmol·L-1, and the activities and contents of AST, LDH and CK were decreased. The protein expression levels of PI3K, Akt, P62 and Beclin-1 were decreased. Compared with the administration group, the activities and contents of AST, LDH and CK in Ass high-concentration + chloroquine group were significantly decreased, and the protein expression levels of PI3K, Akt, Beclin-1 and P62 were significantly decreased. Immunofluorescence showed that the inhibitor group and each administration group had different degrees of protective effect compared with the model group. Asiaticoside can reduce the injury of H9C2 cardiomyocyte induced by OGD/R, reduce the content of AST, LDH and CK, reduce the expression level of P62 protein, and reduce autophagy, which may be closely related to the inhibition of PI3K/Akt/Beclin-1 signaling pathway activation.
