A new key neurohormone controlling reproduction, gonadotrophin-inhibitory hormone in birds: Discovery, progress and prospects

Kazuyoshi Tsutsui, E. Saigoh, H. Yin, T. Ubuka, V. S. Chowdhury, T. Osugi, K. Ukena, P. J. Sharp, J. C. Wingfield, G. E. Bentley

    研究成果: Article査読

    28 被引用数 (Scopus)

    抄録

    In vertebrates, the neuropeptide control of gonadotrophin secretion is primarily through the stimulatory action of the hypothalamic decapeptide, gonadotrophin-releasing hormone (GnRH). Gonadal sex steroids and inhibin inhibit gonadotrophin secretion via feedback from the gonads, but a hypothalamic neuropeptide inhibiting gonadotrophin secretion was, until recently, unknown in vertebrates. In 2000, we discovered a novel hypothalamic dodecapeptide that directly inhibits gonadotrophin release in quail and termed it gonadotrophin-inhibitory hormone (GnIH). GnIH acts on the pituitary and GnRH neurones in the hypothalamus via a novel G-protein-coupled receptor for GnIH to inhibit gonadal development and maintenance by decreasing gonadotrophin release and synthesis. The pineal hormone melatonin is a key factor controlling GnIH neural function. GnIH occurs in the hypothalamus of several avian species and is considered to be a new key neurohormone inhibiting avian reproduction. Thus, the discovery of GnIH provides novel directions to investigate neuropeptide regulation of reproduction. This review summarises the discovery, progress and prospects of GnIH, a new key neurohormone controlling reproduction.

    本文言語English
    ページ(範囲)271-275
    ページ数5
    ジャーナルJournal of Neuroendocrinology
    21
    4
    DOI
    出版ステータスPublished - 2009

    ASJC Scopus subject areas

    • 内分泌学
    • 内分泌学、糖尿病および代謝内科学
    • 内分泌系および自律システム
    • 細胞および分子神経科学

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