Article
Altered expression of MUTYH and an increase in 8-hydroxydeoxyguanosine are early events in ulcerative colitis-associated carcinogenesis.
The Journal of pathology - 1 Sept 2009
Gushima Masaki, Hirahashi Minako, Matsumoto Takayuki, Fujita Kouhei, Fujisawa Ritsuko, Mizumoto Kazuhiro, Nakabeppu Yusaku, Iida Mitsuo, Yao Takashi, Tsuneyoshi Masazumi
Abstract excerpt
8-Hydroxy-guanine (8-OH-G) mismatches readily with adenine residues, leading to a G : C to T : A transversion mutation. The human mutY homologue (MUTYH) excises adenine misincorporated opposite 8-OH-G during replication and suppresses mutations caused by reactive oxygen species. We defined the expression of 8-hydroxydeoxyguanosine (8-OHdG) and MUTYH in ulcerative colitis (UC)-associated neoplasia by...
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