Koji Koyama

Further studies on sperm-immobilizing antibody found in sera of unexplained cases of sterility in women

S. Isojima, Kunio Tsuchiya, Koji Koyama et al. · American Journal of Obstetrics and Gynecology · 1972 · 154 citations

Life Sciences, Gynecology, Immunology +14

Pup birth from mouse oocytes in preantral follicles derived from vitrified and warmed ovaries followed by in vitro growth, in vitro maturation, and in vitro fertilization

Akiko Hasegawa, Nahoko Mochida, T Ogasawara et al. · Fertility and Sterility · 2006 · 107 citations

Life Sciences, Developmental Biology, Gynecology +17

Establishment and characterization of a human hybridoma secreting monoclonal antibody with high titers of sperm immobilizing and agglutinating activities against human seminal plasma

S. Isojima, K. Kameda, Yoshiyuki Tsuji et al. · Journal of Reproductive Immunology · 1987 · 100 citations

Life Sciences, Immunology, Molecular Biology +16

Characterization of a novel human sperm-associated antigen 9 (SPAG9) having structural homology with c-Jun N-terminal kinase-interacting protein

Nirmala Jagadish, Ritu Rana, R. Selvi et al. · Biochemical Journal · 2005 · 90 citations · Full text

Life Sciences, Genetics, Molecular Biology +13

IL-18 in pregnancy; the elevation of IL-18 in maternal peripheral blood during labour and complicated pregnancies

Akinori Ida, Yoshiyuki Tsuji, Junko Muranaka et al. · Journal of Reproductive Immunology · 2000 · 86 citations

Life Sciences, Immunology, Obstetrics +11