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Superoxide dismutase 2 Val16Ala polymorphism is a risk factor for the valproic acid-related elevation of serum
Junji Saruwatari1, Mariko Deguchi, Yuki Yoshimori
1Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan. junsaru@gpo.kumamoto-u.ac.jp
Abstract:
The association between the superoxide dismutase 2 (SOD2) Val16Ala polymorphism and the serum aminotransferase levels was retrospectively investigated in 207 valproic acid-treated patients with epilepsy. The Val/Val genotype tended to show elevated alanine aminotransferase levels (odds ratio=3.5; P=0.056). In addition, an elevated γ-glutamyltransferase level was associated with the Val/Val genotype (odds ratio=3.1; P=0.022). The SOD2 Val/Val genotype may therefore contribute to a valproic acid-induced elevation in the serum aminotransferase levels.
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