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A Novel MitoNEET Ligand, TT01001, Improves Diabetes and Ameliorates Mitochondrial Function in db/db Mice

A Novel MitoNEET Ligand, TT01001, Improves Diabetes and Ameliorates Mitochondrial Function in db/db Mice

Takehiro Takahashi, Masashi Yamamoto, Kazutoshi Amikura, Kozue Kato, Takashi Serizawa, Kanako Serizawa, Daisuke Akazawa, Takumi Aoki, Koji Kawai, Emi Ogasawara, Jun-Ichi Hayashi, Kazuto Nakada, Mie Kainoh

J Pharmacol Exp Ther. 2015 Feb;352(2):338-45.

PMID: 25503385

Abstract:

The mitochondrial outer membrane protein mitoNEET is a binding protein of the insulin sensitizer pioglitazone (5-[[4-[2-(5-ethylpyridin-2-yl)ethoxy]phenyl]methyl]-1,3-thiazolidine-2,4-dione) and is considered a novel target for the treatment of type II diabetes. Several small-molecule compounds have been identified as mitoNEET ligands using structure-based design or virtual docking studies. However, there are no reports about their therapeutic potential in animal models. Recently, we synthesized a novel small molecule, TT01001 [ethyl-4-(3-(3,5-dichlorophenyl)thioureido)piperidine-1-carboxylate], designed on the basis of pioglitazone structure. In this study, we assessed the pharmacological properties of TT01001 in both in vitro and in vivo studies. We found that TT01001 bound to mitoNEET without peroxisome proliferator-activated receptor-γ activation effect. In type II diabetes model db/db mice, TT01001 improved hyperglycemia, hyperlipidemia, and glucose intolerance, and its efficacy was equivalent to that of pioglitazone, without the pioglitazone-associated weight gain. Mitochondrial complex II + III activity of the skeletal muscle was significantly increased in db/db mice. We found that TT01001 significantly suppressed the elevated activity of the complex II + III. These results suggest that TT01001 improved type II diabetes without causing weight gain and ameliorated mitochondrial function of db/db mice. This is the first study that demonstrates the effects of a mitoNEET ligand on glucose metabolism and mitochondrial function in an animal disease model. These findings support targeting mitoNEET as a potential therapeutic approach for the treatment of type II diabetes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1022367696	TT01001		1022367-69-6	Price

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