Digenic mutations in <i>ALDH2</i> and <i>ADH5</i> impair formaldehyde clearance and cause a multisystem disorder, AMeD syndrome
Yasuyoshi Oka, Motoharu Hamada, Yuka Nakazawa, Hideki Muramatsu, Yusuke Okuno, Koichiro Higasa, Mayuko Shimada, Honoka Takeshima, Katsuhiro Hanada, Taichi Hirano, Toshiro Kawakita, Hirotoshi Sakaguchi, Takuya Ichimura, Shuichi Ozono, Kotaro Yuge, Yoriko Watanabe, Yuko Kotani, Mutsumi Yamane, Yumiko Kasugai, Miyako Tanaka, Takayoshi Suganami, Shinichiro Nakada, Norisato Mitsutake, Yuichiro Hara, Kohji Kato, Seiji Mizuno, Noriko Miyake, Yosuke Kawai, Katsushi Tokunaga, Masao Nagasaki, Seiji Kito, Keiichi Isoyama, Masafumi Onodera, Hideo Kaneko, Naomichi Matsumoto, Fumihiko Matsuda, Keitaro Matsuo, Yoshiyuki Takahashi, Tomoji Mashimo, Seiji Kojima, Tomoo Ogi
Abstract
double-deficient mice recapitulated key clinical features of AMeDS, showing short life span, dwarfism, and hematopoietic failure. Collectively, our results suggest that the combined deficiency of formaldehyde clearance mechanisms leads to the complex clinical features due to overload of formaldehyde-induced DNA damage, thereby saturation of DNA repair processes.