Bunpei Ishizuka, Naoki Okamoto, Naomi Hamada, Yodo Sugishita, Juichiro Saito, Noriyuki Takahashi, Tsutomu Ogata, Masanori T Itoh. Number of CGG repeats in the FMR1 gene of Japanese patients with primary ovarian insufficiency. Fertil. Steril.. 2011.11; 96 (5): 1170-1174. ( PubMed, DOI )

Nobuhito Yoshioka, Noriyuki Takahashi, Wataru Tarumi, Masanori T Itoh, Bunpei Ishizuka. Gonadotropins up-regulate the expression of enolase 2, but not enolase 1, in the rat ovary. Endocr. J.. 2011.08; 58 (11): 941-948. ( PubMed )

Okutsu Y, Itoh MT, Takahashi N, Ishizuka B. Exogenous androstenedione induces formation of follicular cysts and premature luteinization of granulosa cells in the ovary. Fertil Steril. 2010.02; 93 (3): 927-935. ( PubMed, DOI )

Takahashi N, Itoh MT, Ishizuka B. Human chorionic gonadotropin induces nestin expression in endothelial cells of the ovary via vascular endothelial growth factor signaling. Endocrinology. 2008.01; 149 (1): 253-260. ( PubMed, DOI )

Itoh MT, Takahashi N, Abe M, Shimizu K. Expression and cellular localization of melatonin-synthesizing enzymes in the rat lens. J Pineal Res. 2007.01; 42 (1): 92-96. ( PubMed, DOI )

Itoh MT, Hosaka T, Takahashi N, Ishizuka B. Expression of luteinizing hormone/chorionic gonadotropin receptor in the rat pineal gland. J Pineal Res. 2006.08; 41 (1): 35-41. ( PubMed, DOI )

Itoh MT, Ishizuka B. alpha1-Adrenergic receptor in rat ovary: presence and localization. Mol Cell Endocrinol. 2005.08; 240 (1-2): 58-63. ( PubMed, DOI )

Murakami S, Itoh MT. Removal of both antennae influences the courtship and aggressive behaviors in male crickets. J Neurobiol. 2003.10; 57 (1): 110-118. ( PubMed, DOI )

Kobayashi Y, Itoh MT, Kondo H, Okuma Y, Sato S, Kanishi Y, Hamada N, Kiguchi K, Ishizuka B. Melatonin binding sites in estrogen receptor-positive cells derived from human endometrial cancer. J Pineal Res. 2003.09; 35 (2): 71-74. ( PubMed )

Itoh MT, Hosaka T, Mimuro T, Hamada N, Ishizuka B. Gonadotropin-releasing hormone increases melatonin release in the pineal gland of the female rat in vitro. Horm Metab Res. 2003.03; 35 (3): 153-157. ( PubMed, DOI )

Masanori T. Itoh, Tukasa Nakamura. Photoperiod conditions influence fecal estradiol levels in females of migratory reed bunting Emberiza sscoeniclus and non-migratory meadow bunting Emberiza cioides Journal of the Yamashina Institute for Ornithology. 2002.10; 34 (1): 1-8.

Hosaka T, Mimuro T, Hamada N, Itoh MT, Ishizuka B. Stimulatory effects of LH on release of melatonin and activities of its synthesizing enzymes NAT and HIOMT in organ-cultured pineal glands of female rats. Horm Metab Res. 2002.08; 34 (8): 441-445. ( PubMed, DOI )

Itoh MT, Murakami S. The effect of female wings on male courtship behavior in the cricket Gryllus bimaculatus. Naturwissenschaften. 2002.05; 89 (5): 230-232. ( PubMed )

Murakami S, Itoh MT. Effects of aggression and wing removal on brain serotonin levels in male crickets, Gryllus bimaculatus. J Insect Physiol. 2001.11; 47 (11): 1309-1312. ( PubMed )

Itoh MT, Sumi Y. Circadian clock controlling egg hatching in the cricket (Gryllus bimaculatus). J Biol Rhythms. 2000.06; 15 (3): 241-245. ( PubMed )

Abe M, Itoh MT, Miyata M, Shimizu K, Sumi Y. Circadian rhythm of serotonin N -acetyltransferase activity in rat lens. Exp Eye Res. 2000.06; 70 (6): 805-808. ( PubMed, DOI )

Ishizuka B, Fusama S, Hirai K, Hosaka T, Hamada N, Amemiya A, Itoh MT. Melatonin secretion from organ-cultured pineal glands of rats: modulation by gonadectomy and gonadotropin-releasing hormone agonist administration. Eur J Endocrinol. 2000.04; 142 (4): 387-392. ( PubMed )

Itoh MT, Igarashi J. Circadian rhythm of serotonin levels in planarians. Neuroreport. 2000.02; 11 (3): 473-476. ( PubMed )

Ishizuka B, Kuribayashi Y, Murai K, Amemiya A, Itoh MT. The effect of melatonin on in vitro fertilization and embryo development in mice. J Pineal Res. 2000.01; 28 (1): 48-51. ( PubMed )

Itoh MT, Ishizuka B, Kuribayashi Y, Abe Y, Sumi Y. Noradrenaline concentrations in human preovulatory follicular fluid exceed those in peripheral plasma. Exp Clin Endocrinol Diabetes. 2000; 108 (8): 506-509. ( PubMed, DOI )

Sumi Y, Itoh MT, Yoshida M, Akama Y. Highly sensitive chelating agents for histochemical staining of rare earth metals. Histochem Cell Biol. 1999.08; 112 (2): 179-182. ( PubMed )

Itoh MT, Ishizuka B, Kuribayashi Y, Amemiya A, Sumi Y. Melatonin, its precursors, and synthesizing enzyme activities in the human ovary. Mol Hum Reprod. 1999.05; 5 (5): 402-408. ( PubMed )

Itoh MT, Shinozawa T, Sumi Y. Circadian rhythms of melatonin-synthesizing enzyme activities and melatonin levels in planarians. Brain Res. 1999.05; 830 (1): 165-173. ( PubMed )

Abe M, Itoh MT, Miyata M, Ishikawa S, Sumi Y. Detection of melatonin, its precursors and related enzyme activities in rabbit lens. Exp Eye Res. 1999.02; 68 (2): 255-262. ( PubMed, DOI )

Itoh MT, Sumi Y. Circadian clock controlling arylalkylamine N-acetyltransferase-like activity in the cricket (Gryllus bimaculatus) egg. Brain Res. 1998.07; 799 (1): 172-175. ( PubMed )

Itoh MT, Sumi Y. Melatonin and serotonin N-acetyltransferase activity in developing eggs of the cricket Gryllus bimaculatus. Brain Res. 1998.01; 781 (1-2): 90-99. ( PubMed )

Sumi Y, Itoh MT, Yoshida M, Suzuki T. Histochemical staining of chromium with 2-(8-quinolylazo)-4,5-di-p-tolylimidazole. Eur J Histochem. 1998; 42 (4): 271-276. ( PubMed )

Itoh MT, Ishizuka B, Kudo Y, Fusama S, Amemiya A, Sumi Y. Detection of melatonin and serotonin N-acetyltransferase and hydroxyindole-O-methyltransferase activities in rat ovary. Mol Cell Endocrinol. 1997.12; 136 (1): 7-13. ( PubMed )

Itoh MT, Nomura T, Sumi Y. Hydroxyindole-O-methyltransferase activity in the silkworm (Bombyx mori). Brain Res. 1997.08; 765 (1): 61-66. ( PubMed )

Itoh MT, Hattori A, Sumi Y. Hydroxyindole-O-methyltransferase activity assay using high-performance liquid chromatography with fluorometric detection: determination of melatonin enzymatically formed from N-acetylserotonin and S-adenosyl-L-methionine. J Chromatogr B Biomed Sci Appl. 1997.04; 692 (1): 217-221. ( PubMed )

Tsukasa Nakamura, Masanori Itoh, Nobuyuki yamaguchi, kaoru kubokawa, Susumu Ishii. Influence of photoperiod duration on fecal androgen content in migratory reed bunting Emberiza schoeniclus and non-migratory meadow bunting Emberiza cioides males Japan Journal of Ornithology. 1996.12; 45 (1): 159-165.

Sumi Y, Itoh MT, Muraki T, Suzuki T. Histochemical staining of cadmium with 2-(8-quinolylazo)-4,5-diphenylimidazole. Histochem Cell Biol. 1996.08; 106 (2): 223-227. ( PubMed )

M T Itoh, A Hattori, T Nomura, Y Sumi, T Suzuki. Melatonin and arylalkylamine N-acetyltransferase activity in the silkworm, Bombyx mori. Mol. Cell. Endocrinol.. 1995.11; 115 (1): 59-64. ( PubMed )

Itoh MT, Hattori A, Sumi Y, Suzuki T. Day-night changes in melatonin levels in different organs of the cricket (Gryllus bimaculatus). J Pineal Res. 1995.04; 18 (3): 165-169. ( PubMed )

Atsuhiko Hattori, Hiro Migitaka, Masayuki Iigo, Masanori T. Itoh, Koji Yamamoto, Ritsuko Ohtani-Kaneko, Masayuki Hara, Takuro Suzuki, Russel J. Reiter. Idetification of melatonin in plants and its effects on plasma melatonin levels and binding to melatonin receptors in vertebrates Biochemistry and Molecular Biology International. 1995.03; 35 (3): 627-634.

Masanori T. Itoh, atsuhiko Hattori, Yawara Sumi, Takuro Suzuki. Identification of melatonin in different organs of the cricket, Gryllus bimaculatus Zoological Science. 1994.03; 11 (1): 577-581.

S Ishii, M Itoh. Amplexus induces surge of luteinizing hormone in male toads, Bufo japonicus. Gen. Comp. Endocrinol.. 1992.04; 86 (1): 34-41. ( PubMed )

M Itoh, S Ishii. Changes in plasma levels of gonadotropins and sex steroids in the toad, Bufo japonicus, in association with behavior during the breeding season. Gen. Comp. Endocrinol.. 1990.12; 80 (3): 451-464. ( PubMed )

M Itoh, M Inoue, S Ishii. Annual cycle of pituitary and plasma gonadotropins and plasma sex steroids in a wild population of the toad, Bufo japonicus. Gen. Comp. Endocrinol.. 1990.05; 78 (2): 242-253. ( PubMed )

Koji Takada, Masanori Itoh, Hiroshi Nishio, Susumu Ishii. Purification of toad (Bufo japonicus) gonadotropins and development of their homologous radioimmunoassays Zoological Science. 1989.12; 6 (1): 963-974.