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16 results on '"Ohnishi, Yuichiro"'

5. The SGLT2 inhibitor empagliflozin improves cardiac energy status via mitochondrial ATP production in diabetic mice

Author

20422545, 70378769, Choi, Jungmi, Matoba, Naoki, Setoyama, Daiki, Watanabe, Daiki, Ohnishi, Yuichiro, Yasui, Ryuto, Kitai, Yuichirou, Oomachi, Aki, Kotobuki, Yutaro, Nishiya, Yoichi, Pieper, Michael Paul, Imamura, Hiromi, Yanagita, Motoko, Yamamoto, Masamichi, 20422545, 70378769, Choi, Jungmi, Matoba, Naoki, Setoyama, Daiki, Watanabe, Daiki, Ohnishi, Yuichiro, Yasui, Ryuto, Kitai, Yuichirou, Oomachi, Aki, Kotobuki, Yutaro, Nishiya, Yoichi, Pieper, Michael Paul, Imamura, Hiromi, Yanagita, Motoko, and Yamamoto, Masamichi

Abstract

Empagliflozin, a sodium-glucose co-transporter 2 inhibitor developed, has been shown to reduce cardiovascular events in patients with type 2 diabetes and established cardiovascular disease. Several studies have suggested that empagliflozin improves the cardiac energy state which is a partial cause of its potency. However, the detailed mechanism remains unclear. To address this issue, we used a mouse model that enabled direct measurement of cytosolic and mitochondrial ATP levels. Empagliflozin treatment significantly increased cytosolic and mitochondrial ATP levels in the hearts of db/db mice. Empagliflozin also enhanced cardiac robustness by maintaining intracellular ATP levels and the recovery capacity in the infarcted area during ischemic-reperfusion. Our findings suggest that empagliflozin enters cardiac mitochondria and directly causes these effects by increasing mitochondrial ATP via inhibition of NHE1 and Nav1.5 or their common downstream sites. These cardioprotective effects may be involved in the beneficial effects on heart failure seen in clinical trials.

Published
2023

9. Tight adhesions after spinal cord stimulation observed during dorsal root entry zone lesioning for pain after spinal root avulsion: illustrative cases

Author

Kimoto, Yuki, primary, Hosomi, Koichi, additional, Ohnishi, Yuichiro, additional, Emura, Takuto, additional, Mori, Nobuhiko, additional, Nishi, Asaya, additional, Yanagisawa, Takufumi, additional, Tani, Naoki, additional, Oshino, Satoru, additional, Saitoh, Youichi, additional, and Kishima, Haruhiko, additional

Published
2022
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