Metabolic methylation is a possible genotoxicity-enhancing process of inorganic arsenicsKenzo Yamanaka, Shoji Okada, Hirotaka Hayashi et al.|Mutation Research/Genetic Toxicology and Environmental Mutagenesis|1997Cited by 91
Tumor accumulation of novel RES-avoiding liposomesNaoto Oku, Shoji Okada, Yukihiro Namba|Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism|1992Cited by 81
Oral Administration of Dimethylarsinic Acid, a Main Metabolite of Inorganic Arsenic, in Mice Promotes Skin Tumorigenesis Initiated by Dimethylbenz(a)anthracene with or without Ultraviolet B as a Promoter.Kenzo Yamanaka, Shoji Okada, Koichi Kato et al.|Biological and Pharmaceutical Bulletin|2001Cited by 77
Relationship between brain zinc and transient learning impairment of adult rats fed zinc-deficient dietAtsushi Takeda, Naoto Oku, Sachiyo Takefuta et al.|Brain Research|2000Cited by 76
The role of active arsenic species produced by metabolic reduction of dimethylarsinic acid in genotoxicity and tumorigenesisKenzo Yamanaka, Shoji Okada, Mikio Hoshino et al.|Toxicology and Applied Pharmacology|2004Cited by 72