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Mitochonic Acid 5 (MA-5), a Derivative of the Plant Hormone Indole-3-Acetic Acid, Improves Survival of Fibroblasts from Patients with Mitochondrial Diseases

Takehiro Suzuki, Hiroaki Yamaguchi, Motoi Kikusato, Tetsuro Matsuhashi, Akihiro Matsuo, Takeya Sato, Yuki Oba, Shun Watanabe, Daichi Minaki, Daisuke Saigusa, Hiroko Shimbo, Nobuyoshi Mori (+19 others)
2015 Tohoku journal of experimental medicine  

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Mitochondria are key organelles implicated in a variety of processes related to energy and free radical generation, the regulation of apoptosis, and various signaling pathways. Mitochondrial dysfunction increases cellular oxidative stress and depletes ATP in a variety of inherited mitochondrial diseases and also in many other metabolic and neurodegenerative diseases. Mitochondrial diseases are characterized by the dysfunction of the mitochondrial respiratory chain, caused by mutations in the
more » ... es encoded by either nuclear DNA or mitochondrial DNA. We have hypothesized that chemicals that increase the cellular ATP levels may ameliorate the mitochondrial dysfunction seen in mitochondrial diseases. To search for the potential drugs for mitochondrial diseases, we screened an in-house chemical library of indole-3-acetic-acid analogs by measuring the cellular ATP levels in Hep3B human hepatocellular carcinoma cells. We have thus identified mitochonic acid 5 (MA-5), 4-(2,4-difluorophenyl)-2-(1H-indol-3-yl)-4-oxobutanoic acid, as a potential drug for enhancing ATP production. MA-5 is a newly synthesized derivative of the plant hormone,
doi:10.1620/tjem.236.225 pmid:26118651 fatcat:r3u64tdunnazjc6rhwr4tz62wy
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Takehiro Suzuki, Hiroaki Yamaguchi, Motoi Kikusato, Tetsuro Matsuhashi, Akihiro Matsuo, Takeya Sato, Yuki Oba, Shun Watanabe, Daichi Minaki, Daisuke Saigusa, Hiroko Shimbo, Nobuyoshi Mori, Eikan Mishima, Hisato Shima, Yasutoshi Akiyama, Yoichi Takeuchi, Akinori Yuri, Koichi Kikuchi, Takafumi Toyohara, Chitose Suzuki, Masahiro Kohzuki, Jun-ichi Anzai, Nariyasu Mano, Shigeo Kure, Teruyuki Yanagisawa, Yoshihisa Tomioka, Masaaki Toyomizu, Sadayoshi Ito, Hitoshi Osaka, Ken-ichiro Hayashi, Takaaki Abe. "Mitochonic Acid 5 (MA-5), a Derivative of the Plant Hormone Indole-3-Acetic Acid, Improves Survival of Fibroblasts from Patients with Mitochondrial Diseases." Tohoku journal of experimental medicine 236.3 (2015) 225-232