Article
Hemizygosity of transsulfuration genes confers increased vulnerability against acetaminophen-induced hepatotoxicity in mice.
Toxicology and applied pharmacology - 15 Jan 2015
Hagiya Yoshifumi, Kamata Shotaro, Mitsuoka Saya, Okada Norihiko, Yoshida Saori, Yamamoto Junya, Ohkubo Rika, Abiko Yumi, Yamada Hidenori, Akahoshi Noriyuki, Kasahara Tadashi, Kumagai Yoshito, Ishii Isao
Abstract excerpt
The key mechanism for acetaminophen hepatotoxicity is cytochrome P450 (CYP)-dependent formation of N-acetyl-p-benzoquinone imine, a potent electrophile that forms protein adducts. Previous studies revealed the fundamental role of glutathione, which binds to and detoxifies N-acetyl-p-benzoquinone imine. Glutathione is synthesized from cysteine in the liver, and N-acetylcysteine is used as a sole antidote for...
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