Thiamine treatment preserves cardiac function against ischemia injury via maintaining mitochondrial size and ATP levels

Author:

Yamada Yuki1,Kusakari Yoichiro1ORCID,Akaoka Munetoshi1,Watanabe Masato1,Tanihata Jun1,Nishioka Naritomo1,Bochimoto Hiroki1ORCID,Akaike Toru1,Tachibana Toshiaki2,Minamisawa Susumu1ORCID

Affiliation:

1. Department of Cell Physiology, The Jikei University School of Medicine, Tokyo, Japan

2. Division of Molecular Cell Biology, Core Research Facilities for Basic Science, The Jikei University School of Medicine, Tokyo, Japan

Abstract

We found that treatment with thiamine can have a protective effect on myocardial ischemia. Thiamine likely mediates mitochondrial fission through the inhibition of DRP1 phosphorylation and the preservation of larger-sized mitochondria and ATP concentration, leading to higher cardiac contractility performance during the subsequent reperfusion state.

Publisher

American Physiological Society

Subject

Physiology (medical),Physiology

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