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6 papers found.
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Association of postmenopausal endogenous sex hormones with global methylation level of leukocyte DNA among Japanese women

Yokoyama Hiroshi Onuma Hideki Nishimura Ritsu Kusama Teruhiko Yoshida Shoichiro Tsugane 0 0 Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center

Comparison of postmenopausal endogenous sex hormones among Japanese, Japanese Brazilians, and non-Japanese Brazilians

Motoki Iwasaki 0 Yoshio Kasuga 2 Shiro Yokoyama 1 Hiroshi Onuma 1 Hideki Nishimura 7 Ritsu Kusama 6 Gerson Shigeaki Hamada 5 Ines Nobuko Nishimoto 4 Maria do Socorro Maciel 9 Juvenal Motola Jr 8 Fbio

Comparison of postmenopausal endogenous sex hormones among Japanese, Japanese Brazilians, and non-Japanese Brazilians

Differences in sex hormone levels among populations might contribute to the variation in breast cancer incidence across countries. Previous studies have shown higher breast cancer incidence and mortality among Japanese Brazilians than among Japanese. To clarify the difference in hormone levels among populations, we compared postmenopausal endogenous sex hormone levels among...

Genetic polymorphisms in estrogen metabolism and breast cancer risk in case–control studies in Japanese, Japanese Brazilians and non-Japanese Brazilians

Motoki Iwasaki 1 Yoshio Kasuga 2 Shiro Yokoyama 3 Hiroshi Onuma 3 Hideki Nishimura 4 Ritsu Kusama 5 Gerson Shigeaki Hamada 6 Ines Nobuko Nishimoto 7 Hirofumi Iyeyasu 8 Juvenal Motola Jr 9 Fa? bio Martins

Ret/PTC3 is the most frequent form of gene rearrangement in papillary thyroid carcinomas in Japan

Shiro Yokoyama Koichi Ito Masahiko Onda Mitsuru Emi Rearrangements of the RET and TRK protooncogenes, which generate fusion oncogenes, are frequent in papillary thyroid carcinomas in Caucasian