Shigeko Umeki

Spontaneous loss and alteration of antigen receptor expression in mature CD4+ T cells.

Seishi Kyoizumi, Masatoshi Akiyama, Yuko Hirai et al. · The Journal of Experimental Medicine · 1990 · 89 citations · Full text

Life Sciences, Genetics, Immunology +16

Frequency of mutant T lymphocytes defective in the expression of the T-cell antigen receptor gene among radiation-exposed people

Seishi Kyoizumi, Shigeko Umeki, Mitoshi Akiyama et al. · Mutation research. Fundamental and molecular mechanisms of mutagenesis · 1992 · 62 citations

Life Sciences, Genetics, Immunology +16

Somatic Cell Mutations at the Glycophorin A Locus in Erythrocytes of Atomic Bomb Survivors: Implications for Radiation Carcinogenesis

Seishi Kyoizumi, John Cologne, Kazumi Tanabe et al. · Radiation Research · 1996 · 45 citations

Medicine, Genetics, Molecular Genetics +17

Somatic-Cell Mutations as a Possible Predictor of Cancer Risk

Mitoshi Akiyama, Shigeko Umeki, Yoichiro Kusunoki et al. · Health Physics · 1995 · 37 citations

Medicine, Genetics, Oncology +12

Lifespan of human memory T-cells in the absence of T-cell receptor expression

Shigeko Umeki · Immunology Letters · 1998 · 28 citations

Life Sciences, Cell Biology, Immunology +14