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Abstract Title:

[6]-Gingerol Ameliorates ISO-Induced Myocardial Fibrosis by Reducing Oxidative Stress, Inflammation, and Apoptosis through Inhibition of TLR4/MAPKs/NF-κB Pathway.

Abstract Source:

Mol Nutr Food Res. 2020 Jul ;64(13):e2000003. Epub 2020 Jun 8. PMID: 32438504

Abstract Author(s):

Xue Han, Panpan Liu, Miaomiao Liu, Ziheng Wei, Sen Fan, Xiangting Wang, Shijiang Sun, Li Chu

Article Affiliation:

Xue Han

Abstract:

SCOPE: [6]-Gingerol is one of the primary pungent constituents of ginger. While [6]-gingerol has many pharmacological effects, its benefits for myocardial fibrosis, including its exact role and underlying mechanisms, remain largely unexplored. The present study is designed to characterize the cardio-protective effects of [6]-gingerol in myocardial fibrosis mice and possible underlying mechanisms.

METHODS AND RESULTS: Mice are subcutaneously injected with isoproterenol (ISO, 10 mg kg) and gavaged with [6]-gingerol (10, 20 mg kgday) for 14 days. Pathological alterations, fibrosis, oxidative stress, inflammation response, and apoptosis are examined. In ISO-induced myocardial fibrosis, [6]-gingerol treatment decreases the J-point, heart rate, cardiac weight index, left ventricle weight index, creatine kinase (CK), and lactate dehydrogenase serum levels, calcium concentration, reactive oxygen species, malondialdehyde, and glutathione disulfide (GSSG), and increases levels of superoxide dismutase, catalase, glutathione, and GSH/GSSG. Further, [6]-gingerol improved ISO-induced morphological pathologies, inhibited inflammation and apoptosis, and suppressed the toll-like receptor-4 (TLR4)/mitogen-activated protein kinases (MAPKs)/nuclear factorκB (NF-κB) signaling pathways.

CONCLUSION: The protective effect of [6]-gingerol in mice with ISO-induced myocardial fibrosis may be related to the inhibition of oxidative stress, inflammation, and apoptosis, potentially through the TLR4/MAPKs/NF-κB signaling pathway.

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Sayer Ji
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