DNMT gene expression in peripheral leukocytes in schizophrenia and correlations with one-carbon metabolites: folate, total homocysteine, and vitamin B6. - Tomioka Y; Nakataki M; Umehara H; Yoshida T; Matsuda H; Matsumoto Y; Aoki M; Yoshida Y; Kamiyama Y; Nakayama T; Yamada N; Numata S (Frontiers in psychiatry, 2026)