T
Tamami Homma
Researcher at Nagoya University
Publications - 8
Citations - 629
Tamami Homma is an academic researcher from Nagoya University. The author has contributed to research in topics: Kisspeptin & Luteinizing hormone. The author has an hindex of 7, co-authored 8 publications receiving 573 citations. Previous affiliations of Tamami Homma include University of Tsukuba.
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Journal ArticleDOI
Significance of Neonatal Testicular Sex Steroids to Defeminize Anteroventral Periventricular Kisspeptin Neurons and the GnRH/LH Surge System in Male Rats
Tamami Homma,Mototsugu Sakakibara,Shunji Yamada,Mika Kinoshita,Kinuyo Iwata,Junko Tomikawa,Tetsuhiro Kanazawa,Hisanori Matsui,Yoshihiro Takatsu,Tetsuya Ohtaki,Hirokazu Matsumoto,Yoshihisa Uenoyama,Kei-ichiro Maeda,Hiroko Tsukamura +13 more
TL;DR: In this paper, the significance of neonatal testicular androgen to defeminize AVPV kisspeptin expression and the GnRH/LH surge-generating system was determined.
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Possible Role of Oestrogen in Pubertal Increase of Kiss1/Kisspeptin Expression in Discrete Hypothalamic Areas of Female Rats
Kenji Takase,Yoshihisa Uenoyama,Naoko Inoue,Hisanori Matsui,Shunji Yamada,M. Shimizu,Tamami Homma,Junko Tomikawa,Shinji Kanda,Hirokazu Matsumoto,Yoshitaka Oka,Hiroko Tsukamura,Kei-ichiro Maeda +12 more
TL;DR: The present study suggests that a pubertal increase of Kiss1/kisspeptin expression both in the ARC and AVPV is involved in the onset of puberty, and suggests that both LH pulses and ARC Kiss1 expression are more negatively regulated by oestrogen in prepubertal female rats compared to adult rats.
Journal ArticleDOI
Molecular Characterization and Estrogen Regulation of Hypothalamic KISS1 Gene in the Pig
Junko Tomikawa,Tamami Homma,Shigeyuki Tajima,Takako Shibata,Yoko Inamoto,Kenji Takase,Naoko Inoue,Satoshi Ohkura,Yoshihisa Uenoyama,Kei-ichiro Maeda,Hiroko Tsukamura +10 more
TL;DR: It is suggested that the PeN kisspeptin neurons could be responsible for the estrogen positive feedback regulation to induce gonadotropin-releasing hormone/luteinizing hormone (GnRH/LH) surge in the pig.
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Ultrastructural evidence of kisspeptin-gonadotrophin-releasing hormone (GnRH) interaction in the median eminence of female rats: implication of axo-axonal regulation of GnRH release.
Yoshihisa Uenoyama,Naoko Inoue,Vutha Pheng,Tamami Homma,Kenji Takase,Shunji Yamada,K. Ajiki,M. Ichikawa,Hiroaki Okamura,Kei-ichiro Maeda,Hiroko Tsukamura +10 more
TL;DR: The present results suggest that kisspeptin at least partly exerts stimulatory effects on GnRH release from the neuronal terminals of GnRH neurones by axo‐axonal nonsynaptic interaction in the median eminence.
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Physiological role of metastin/kisspeptin in regulating gonadotropin-releasing hormone (GnRH) secretion in female rats.
Satoshi Ohkura,Yoshihisa Uenoyama,Shunji Yamada,Tamami Homma,Kenji Takase,Naoko Inoue,Kei-ichiro Maeda,Hiroko Tsukamura +7 more
TL;DR: The lactating rat model provided further evidence indicating that ARC metastin/kisspeptin neurons are involved in GnRH pulse generation, because pulsatile release of luteinizing hormone (LH) is profoundly suppressed by suckling stimulus and the LH pulse suppression is well associated with the suppression of ARC metastIn/ Kisspeptin and KiSS-1 gene expression in lactating rats.