Recent studies of gonadotropin-inhibitory hormone (GnIH) in the mammalian hypothalamus, pituitary and gonads

George E. Bentley, Kazuyoshi Tsutsui, Lance J. Kriegsfeld

    Research output: Contribution to journalArticle

    56 Citations (Scopus)

    Abstract

    The hypothalamo-pituitary-gonadal (HPG) axis integrates internal and external cues via a balance of stimulatory and inhibitory neurochemical systems to time reproductive activity. The cumulative output of these positive and negative modulators drives secretion of gonadotropin-releasing hormone (GnRH), a neuropeptide that causes pituitary gonadotropin synthesis and secretion. Ten years ago, Tsutsui and colleagues discovered a peptide in quail hypothalamus that is capable of inhibiting gonadotropin secretion in cultured quail pituitary cells. Later studies by a variety of researchers examined the presence and functional role for the mammalian ortholog of GnIH. To date, GnIH exhibits a similar distribution and functional role in all mammals investigated, including humans. This overview summarizes the role of GnIH in modulation of mammalian reproductive physiology and suggests avenues for further study by those interested in the neuroendocrine control of reproductive physiology and sexual behavior.

    Original languageEnglish
    Pages (from-to)62-71
    Number of pages10
    JournalBrain Research
    Volume1364
    DOIs
    Publication statusPublished - 2010 Dec 10

    Fingerprint

    Gonads
    Gonadotropins
    Hypothalamus
    Hormones
    Quail
    Pituitary Gonadotropins
    Reproductive Behavior
    Neuropeptides
    Gonadotropin-Releasing Hormone
    Sexual Behavior
    Cues
    Mammals
    Research Personnel
    Peptides

    Keywords

    • GnIH
    • GnRH
    • Pituitary
    • Reproduction
    • RFamide
    • Testis

    ASJC Scopus subject areas

    • Neuroscience(all)
    • Clinical Neurology
    • Developmental Biology
    • Molecular Biology

    Cite this

    Recent studies of gonadotropin-inhibitory hormone (GnIH) in the mammalian hypothalamus, pituitary and gonads. / Bentley, George E.; Tsutsui, Kazuyoshi; Kriegsfeld, Lance J.

    In: Brain Research, Vol. 1364, 10.12.2010, p. 62-71.

    Research output: Contribution to journalArticle

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