Home Bratislava Medical Journal 2023 Bratislava Medical Journal Vol.124, No.9, p.699–706, 2023

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.124, No.9, p.699–706, 2023

Title: Rutaecarpine ameliorates cardiomyocyte injury induced by high glucose by promoting TRPV1-mediated autophagy
Author: Chunhui SONG, Zhigang GONG, Yunxi JI

Abstract: AIM: Diabetic cardiomyopathy (DCM) is a dominant factor contributing to diabetic death. Rutaecarpine has many cardiovascular biological effects and anti-high-glucose activity. Therefore, this paper aimed to investigate the impact of rutaecarpine on high glucose (HG)-elicited cardiomyocyte injury.
METHOD: Cell counting kit 8 (CCK-8) and 5-ethynyl-2’-deoxyuridine (EdU), TdT-mediated dUTP Nick-End Labeling (TUNEL) assays judged H9c2 cell activity and apoptosis, and oxidative stress was assessed by corresponding assay kits. The expression of apoptosis, oxidative stress, autophagy-associated factors and TRPV1 were examined with western blot. IF assay tested GFP-LC3 expression.
RESULTS: As a result, rutaecarpine had no obvious effect on the viability of H9c2 cells while elevated HG-exposed H9c2 cell viability. Rutaecarpine inhibited the apoptosis and oxidative stress of H9c2 cells induced by HG. In addition, rutaecarpine activated TRPV1 to induce autophagy. However, inhibition of TRPV1 inactivated the autophagy, which drove HG-evoked H9c2 apoptosis and oxidative stress.
CONCLUSIONS: In conclusion, rutaecarpine suppressed HG-stimulated H9c2 cell viability injury, apoptosis as well as oxidative stress via promoting TRPV1-mediated autophagy (Fig. 10, Ref. 40).

Keywords: rutaecarpine, TRPV1, autophagy, cardiomyocyte injury, high glucose
Published online: 04-Jul-2023
Year: 2023, Volume: 124, Issue: 9 Page From: 699, Page To: 706

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