@Publications in Journals and Text Books


Reproduction and Genital Researches

Seasonal changes in serum progesterone levels in Thoroughbred racehorses in training. Takahashi Y, (Akai M), Murase H, (Nambo Y), J. Equine Sci. 26, 135-139, 2015.

Anti-MuNllerian hormone as an indicator of hemi-castrated unilateral cryptorchid horses. Murase H, (Saito S, Amaya T), Sato F, (Ball BA, Nambo Y), J. Equine Sci. 26, 15-20, 2015.

Effects of an extended photoperiod on gonadal function and condition of hair coats in Thoroughbred colts and fillies. (Kunii H, Nambo Y), Okano A, Matsui A, (Ishimaru M, Asai Y), Sato F, (Fujii K, Nagaoka K, Watanabe G, Taya K), J. Equine Sci. 26, 57-66, 2015.

A clinical case of equine fungal placentitis with reference to hormone profiles and ultrasonography. Murase H, Niwa H, Katayama Y, Sato F, Hada T, (Nambo Y), J. Equine Sci. 26, 129-133, 2015.

Promoting effects of an extended photoperiod treatment on the condition of hair coats and gonadal function in Thoroughbred weanlings. (Harada T, Nambo Y, Ishimaru M),
Sato F, (Nagaoka K, Watanabe G, Taya K),J. Equine Sci. 26, 147-150, 2015.

Ultrasonographic evaluation of equine fetal growth throughout gestation in normal mares using a convex transducer. H. Murase, (Y. Endo, T. Tsuchiya), Y. Kotoyori, (M. Shikichi, K. Ito), F. Sato, (Y.Nambo) J. Vet. Med. Sci. 76, 947-953, 2014.

Comparison of pH level and refractometry index with calcium concentrations in preparturient mammary secretions. Korosue K., Murase H., Sato F., Ishimaru M., Kotoyori Y., Tsujimura K., Nambo Y. J.Am.Vet.Med.Assoc. 242(2), 2013.

Relationship between the placental retention time and the reproductive performance at the foal heat in Thoroughbred and a comparison with heavy draft. Ishii M., Aoki T., Yamakawa K., Magata F., Gojo C., Ito K., Kayano M., Nambo Y. J.Equine Sci. 24(2), 25-29, 2013.

Changes in serum concentrations of prolactin, progestagens, and estradiol-17 and biochemical parameters during peripartum in an agalactic mare. Korosue K., Murase H., Sato F., Ishimaru M., Watanabe G., Harada T., Taya K., Nambo Y. J.Equine Vet.Sci. 33, 279-286, 2013.

Relationship between fertility at foal heat and blood biochemistry parameters monitored during the peripartum period in Thoroughbred mares. Aoki T., Inoue Y., Murase H., Asai Y., Nambo Y., Ishii M. J.Equine Vet.Sci 33, 1064-1067, 2013.

Expression of inhibin/Activin subunits in the equine uteri during the early pregnancy. Zhang H., Nagaoka K., Imakawa K., Nambo Y., Watanabe G., Taya K., Weng Q. Reprod.Dom.Anim. 48, 423-428, 2013.


Three-dimensional ultrasound imaging of the equine fetus. Kotoyori Y., Yokoo N., Ito K., Murase H., Sato F., Korosue K., Nambo Y. Theriogenology 77(7), 1480-1486, 2012.

Anti-Müllerian hormone profiles as a novel biomarker to diagnose granulosa-theca cell tumors in cattle. Kitahara G., Nambo Y.,Ali H EL-S., Kajisa M., Tani M., Nibe K., Kamimura S. J. Reprod. Dev. 58(1), 98-104, 2012.

Seasonal changes in luteal progesterone concentration and mRNA expressions of progesterone synthesis-related proteins in the corpus luteum of mares. Kozai K., Hojo T., Takahashi M., Acosta T.J), Nambo Y., Okuda K. J.Reprod.Dev. 58(4), 393-397, 2012.

Circulating pituitary and gonadal hormones in spring-born thoroughbred fillies and colts from birth to puberty. Dhakal P., Hirama A., Nambo Y., Harada T., Sato F., Nagaoka K., Watanabe G., Taya K. J. Reprod. Dev. 58(5), 522-530, 2012.

Three-dimensional ultrasound imaging of the equine fetus. Kotoyori Y., Yokoo N., Ito N., Murase H., Sato F., Korosue K., Nambo Y. Theriogenology 77(7), 1480-1486, 2012.

Factors influencing the frequency of pregnancy loss among thoroughbred mares in Hidaka, Japan. Miyakoshi D., Shikichi M., Ito K., Iwata K., Okai K., Sato F., Nambo Y. J.Equine Vet.Sci. 32(9), 552-557, 2012.

Assessment for predicting parturition in mares based on prepartum temperature changes using a digital rectal thermometer and microchip transponder thermometry device. Korosue K., Murase H., Sato F., Ishimaru M., Endo Y., Nambo Y. J.Vet.Med.Sci 74(7), 845-850, 2012.

Successful induction of lactation in a barren thoroughbred mare: growth of a foal raised on induced lactation and the corresponding maternal hormone profiles. Korosue K., Murase H., Sato F., Ishimaru M., Harada T., Watanabe G., Taya K., Nambo Y. J.Vet.Med.Sci 74(8), 995-1002, 2012.

Production of calcium maintenance factor strnniocalcin-1(STC1) by the equine endometrium during the early pregnant period. Kikuchi M, Nakano Y, Nambo Y, Haneda S, Matsui M, Miyake Y, Macleod J N, Nagaoka K, Imakawa K. J Reprod Dev. 57(2) 203-211, 2011.

Post-natal dynamic changes in circulating follicle-stimulating hormone, luteinizing hormone, Immunoreactive inhibin, progesterone, testosterone and estradiol-17beta in Thoroughbred colts until 6 months of age. Dhakal P, Tsunoda N, Nakai R, Nagaoka K, Nambo Y, Sato F, Taniyama H, Watanabe G, Taya K. J. Equine Sci. 22(1), 9-15, 2011.

A study on the presence of ferritin-binding proteins in fetal horse plasma. Hashimoto M, Nambo Y, Kondo T, Watanabe K, Orino K. I Equine Sci. 22(1), 1-7, 2011.

Comparison of pH level and refractometry index with calcium concentration in preparations. Korosue K, Murase H, Sato F, Ishimaru M, Kotoyori Y, Tsujimura K, Nambo Y. Ame. Vet. Med. Assoc. 1-26,2012.

Effect of extended photoperiod on reproductive endocrinology and body composition in Throughbred yearlings and weanlings. Nambo Y, Okano A, Kunii H, Harada T, Dhakal P, Matsui A, Korosue K, Yamanobe A, Nagata S, Watanabe G, Taya K. Anim. Repord. Sci. 121, 35-37, 2010.

Expression of anti-Mullerian hormone (AMH) and its receptor in equine endometrium and placenta. Blanes MS, Nambo Y, Taya K, Mathewson L, Ball BA. Anim. Reprod. Sci. 121, 318-319, 2010.

Transrectal 3-dimensional ultrasound examination of the equine fetus during the first half of gestation. Kotoyari Y, Yokoo N, Ito K, Kimura Y, Korosue K, Ashihara N, Nambo Y. Anim. Reprod. Sci. 121, 327-328, 2010.

Plasma prolactin concentrations and copulatory behavior after salsolinol injection in male rats. Terada M, Olah M, Nagy GM, Taniguchi K, Sato F, Muranaka S, Fungfuang W, Kromkhun P, Nakada T, Yokosuka M, Satio TR. Reproductive Medicine and Biology. 9, 205-209, 2010.

Interleukin-1 receptor antagonist expression in the equine endometrium during the peri-implantation period. Haneda S, Nagaoka K, Nambo Y, Kikuchi M, Nakano Y, Matsui M, Miyake Y, Macleod JN, Imakawa K. Domest. Anim. Endocrinol. 36, 209-218, 2009.

Population of follicles and luteal structures during the oestrous cycle of mares detected by three-dimensional internal structure microscopy. Hirano Y, Kimura J, Nambo Y, Yokota H, Nakamura S, Takemoto S, Himeno R, Mishima T, Matsui M, Miyake Y. Anatl. Histol. Embryol. 38, 214-218, 2009.

Sterolithographic biomodeling of equine ovary based on 3D serial digitizing device. Kimura J, Kakusho N, Yamazawa K, Hirano Y, Nambo Y, Yokota H, Himeno R. J. Vet. Sci. 10, 161-163, 2009.

Postpartum massive hematoma within the broad ligament of the uterus in a broodmare possibly caused by rupture of the uterine artery. Oikawa M, Nambo Y, Miyamoto M, Miura H, Kikuchi M, Ohnami Y. J. Equine Sci. 20, 41-46, 2009.

Temporal changes in concentrations of branched-chain amino acids in plasma on healthy mares and foals from birth to 24 weeks of age. Naito Y, Sasaki N, Matsui A, Nambo Y, Inokuma H, Yamada H. J. Vet. Med. Sci. 71, 1623-1628, 2009.

In vitro development of equine oocytes from preserved ovaries after intracytoplasmic sperm injection. Matsukawa K, Akagi S, Adachi N, Sato F, Hasegawa T, Takahashi S, J Reprod Dev. 538, 877-885, 2007.

Immunolocalization of steroidogenic enzymes in equine fetal adrenal glands during mid-late gestation. Weng Q, Tanaka Y, Taniyama H, Tsunoda N, Nambo Y, Watanabe G, Taya K, J Reprod Dev. 53(5), 1093- 1098, 2007.

Immunolocalization of inhibin/ activin subunits in equine fetal adrenal glands during mid gestation. Weng Q, Tanaka Y, Taniyama H, Tsunoda N, Nambo Y, Watanabe G, Taya K, J Equine Sci. 18(3), 93-97, 2007.

Change in circulating follicle-stimulating hormone, luteinizing hormone, immunoreactive inhibin, progesterone, testosterone and estradio1-17 in fillies from birth to 6 months of age. Nakai R, Weng Q, Tanaka Y, Tsunoda N, Taniyama H, Haramaki S, Nambo Y, Watanabe G, Taya K. J Equine Sci. 18(3), 85-91, 2007.

Expression of inhibins, activins, insulin-like growth factor-l and steroidogenic enzymes in equine placenta. Arai K, Tanaka Y, Taniyama H, Tsubone N, Nambo Y, Nagamine N, Watanabe G, Taya K. Domestic Animal Endocrinol. 31, 19-34, 2006.

Biological significance of fallicular fluid discharged into the peritoneal cavity at ovulation in mares. Nambo Y, Hashimoto K, Nakai R, Asai Y, Watanabe G, Taya K. Animal Reprod Sci. 94, 228-231, 2006.

Observation of ovarian internal structures during the estrous cycle of mares. Hirano Y, Kimura J, Nambo Y, Yokota H, Nakamura S, Takemoto S, Himeno R, Mishima T, Matsui M, Miyake Y-I. Animal Reprod Sci. 94, 210-214, 2006.

Expression of inhibins amd activins in the equine placenta. Taya K, Arai Y, Tanaka Y, Taniyama H, Tsubone N, Nambo Y, Nagamine N, Watanabe G. Animal Reprod Sci. 94, 413-416, 2006.

Three-dimensional reconstruction of the equine ovary. Kimura J, Hirano Y, Takemoto S, Nambo Y, Ishinazaka T, Himeno R, Mishima T, Tsumagari S, Yokota H. Anat Histol Embryol. 34, 48-51, 2005.

Localization and secretion of inhibins in the equine fetal ovaries. Tanaka Y, Taniyama H, Tsunoda N, Herath CB, Nakai R, Shinbo H, Nagamine N, Nambo Y, Nagata S, Watanabe G, Groome NP, Taya K. Biol Reprod. 68, 328-335, 2003.

The release of follicular fluid into the peritoneal cavity during ovulation in mares. Nambo Y, Hasegawa T, Sato F, Oki H, Kusunose R, Nakai R, Nagata S, Watanabe G, Taya K. Theriogenology. 58, 545-548, 2002.

Inhibin as a possible indicator of follicular development during perinatal period in mares. Nambo Y, Tanaka Y, Nagata S, Sato F, Hasegawa T, Nakai R, Oki H, Watanabe G, Taya K. J Reprod & Dev. 48(3), 265-270, 2002.

The testis as a major source of circulating inhibins in the male equine fetus during the second half of gestation. Tanaka Y, Taniyama H, Tsunoda N, Shinbo H, Nagamine N, Nambo Y, Nagata S, Watanabe G, Herath CB, Groome NP, Taya K, Androl J. 23 (2), 229-236, 2002.

Inhibin as a possible indicator of follicular development during perinatal period in mares. Nambo Y, Tanaka Y, Nagata S, Sato F, Hasegawa T, Nakai R, Oki H, Watanabe G, Taya K. J Reprod & Dev. 48 (3), 265-270, 2002.

Mechanisms responsible for increase in circulating inhibin levels at the time of ovulation in mares. Nambo Y, Nagaoka K, Tanaka Y, Nagamine N, Shinbo H, Nagata S, Yoshihara Y, Watanabe G, Groome NP, Taya K. Theriogenology. 57, 1707-1717, 2002.

The release of follicular fluid into the peritoneal cavity during ovulation in mares. Nambo Y, Hasegawa T, Sato F, Oki H, Kusunose R, Nakai R, Nagata S, Watanabe G, Taya K. Theriogenology. 58, 545-548, 2002.

The application of three-dimensional internal structure microscopy in the observation of mare ovary. Kimura T, Tsukise A, Yokota H, Nambo Y, Higuchi T. Anat Histol Embryol. 30, 309-312, 2001.

Inhibin pro_C as the marker of testicular function in the stallion. Nagata S, Nagaoka K, Shinbo H, Nagamine N, Tsunoda N, Taniyama H, Nambo Y, Groome NP, Watanabe G, Taya K. J Reprod & Dev. 46, 201-206, 2000.

Study of early pregnancy factor (EPF) in equine (equus caballus). Ohnuma K, Yokoo M, Ito K, Nambo Y, Miyake Y, Komatsu M, Takahashi J. Am J Reprod & Immunol. 43, 174-179, 2000.

Testicular secretion of inhibin in stallions. Taya K, Nagata S, Tsunoda N, Nagamine N, Tanaka Y, Nagaoka K, Taniyama H, Nambo Y, Watanabe G. J Reprod & Fertility. Suppl 56, 43-50, 2000.

Ovarian secretion of inhibin in mares. Tanaka Y, Nagamine N, Nambo Y, Nagata S, Nagaoka K, Tsunoda N, Taniyama H, Yoshihara T, Oikawa M, Watanabe G, Taya K. J Reprod & Fertility. Suppl 56, 239-245, 2000.