2006
Kageyama, S., Hirayama, H., Moriyasu, S., Inaba, M., Ito, D., Ohta, H., Sawai, K., Minamihashi, A. and Onoe, S. (2006) Genetic diagnosis of band 3 deficiency and sexing in bovine preimplantation embryos. J. Vet. Med.Sci. 68: 319-323.
Hirayama, H., Kageyama, S., Takahashi, Y., Moriyasu, S., Sawai, K., Onoe, S., Watanabe, K., Kojiya, S., Notomi, T. and Minamihashi, A. (2006) Rapid sexing of water buffalo (Bubalus bubalis) embryos using loop-mediated isothermal amplification. Theriogenology 66: 1249-1256.
2005
Takahashi, H., Takahashi, M., Nagaya, H., Hirako, M., Sawai, K., Minamihashi, A., Inumaru, S., Yokomizo, Y., Geshi, M., Okano, A. and Okuda, K. (2005) Establishment of a specific radioimmunoassay for bovine interferonτ. Theriogenology 63: 1050 –1060.
Sawai, K., Kageyama, S., Moriyasu, S., Hirayama, H., Minamihashi, A. and Onoe, S. (2005) Analysis of mRNA transcripts for insulin-like growth factor receptors and binding proteins in bovine embryos derived from somatic cell nuclear transfer. Clonig Stem Cells 7: 189-198.
2004
Hirayama, H., Kageyama, S., Moriyasu, S., Sawai, K., Onoe, S., Takahashi, Y., Katagiri, S., Toen, K., Watanabe, K., Notomi, T., Yamashina, H., Matsuzaki, S. and Minamihashi, A. (2004) Rapid sexing of bovine preimplantation embryos using loop-mediated isothermal amplification. Theriogenology 62: 887-896.
Ikumi, S., Sawai, K., Takeuchi, Y., Iwayama, H., Ishikawa, H., Ohsumi, S. and Fukui, Y. (2004) Interspecies somatic cell nuclear transfer for in vitro production of Antarctic minke whale (Balaenoptera bonaerensis) embryos. Cloning Stem Cells 6: 284-293.
Hirayama, H., Kageyama, S., Moriyasu, S., Hirano, T., Sugimoto, Y., Kobayashi, N., Inaba, M., Sawai, K., Onoe, S. and Minamihashi, A. (2004) Genetic diagnosis of claudin-16 deficiency and sex determination in bovine preimplantation embryos. J. Reprod. Dev. 50: 613-618.
Nakatsu, Y., Yamada, K., Ueda, J., Onogi, A., Ables, GP., Nishibori, M., Hata, H., Takada, A., Sawai, K., Tanabe, Y., Morita, M., Daikohara, M. and Watanabe, T. (2004) Genetic polymorphisms and antiviral activity in the bovine MX1 gene. Anim. Genet. 35: 182-187.
2003
Ikumi, S., Asada, M., Sawai, K. and Fukui, Y. (2003) Effect of activation methods for bovine oocytes after intracytoplasmic injection. J. Reprod. Dev. 49: 37-43.
Enosawa, M., Kageyama, S., Sawai, K., Watanabe, K., Notomi, T., Onoe, S., Mori, Y. and Yokomizo., Y. (2003) Use of loop-mediated isothermal amplification of the IS900 sequence for rapid detection of cultured Mycobacterium avium subsp. paratuberculosis. J. Clin. Microbiol. 41: 4359-4365.
Saito, S., Sawai, K., Ugai, H., Moriyasu, S., Minamihashi, A., Yamamoto, Y., Hirayama, H., Kageyama, S., Pan, J., Murata, T., Kobayashi, Y. Obata, Y. and Yokoyama, K.K. (2003) Generation of cloned calves and transgenic chimeric embryos from bovine embryonic stem-like cells. Biochem. Biophys. Res. Commun. 309: 104-113
2002
Saito, S., Ugai, H., Sawai, K., Yamamoto, Y., Minamihashi, A., Kurosaka, K., Kobayashi, Y., Murata, T., Obata, Y. and Yokoyama, K. (2002) Isolation of embryonic stem-like cells from equine blastocysts and their differentiation in vitro. FEBS Lett. 531: 389-396.
1998
Sawai, K., Funahashi, H. and Niwa, K. (1998) Effects of cumulus cells on the ability of pig oocytes to utilize cysteine or cystine during maturation in vitro. J. Reprod. Dev. 44: 161-168.
1997
Sawai, K., Funahashi, H., Wang, WH. and Niwa, K. (1997) Effects of cysteine in serum-free maturation medium on male pronuclear formation of maturing pig oocytes penetrated in vitro. J. Reprod. Dev. 43: 73-80.
Sawai, K., Funahashi, H. and Niwa, K. (1997) Stage-specific requirement of cysteine during in vitro maturation of porcine oocytes for glutathione synthesis associated with male pronuclear formation. Biol. Reprod. 57: 1-6.
Ka, HH., Sawai, K., Wang, WH., Im, KS. and Niwa, K. (1997) Amino acids in maturation medium and presence of cumulus cells at fertilization promote male pronuclear formation in porcine oocytes matured and penetrated in vitro. Biol. Reprod. 57: 1478-1483.
1994
Sawai, K., Lim, JM., Okuda, K. and Niwa, K. (1994) Effect of glucose in a semi-defined culture medium on development of mouse 1-cell embryos. J. Mamm. Ova Res. 11: 8-16.
1992
Fukui, Y., Sawai, K., Furudate, M., Sato, N., Iwazumi, Y. and Ohsaki, K. (1992) Parthenogenetic development of bovine oocytes treated with ethanol and cytochalasin B after in vitro maturation. Mol. Reprod. Dev. 33: 357-362.