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This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 
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:: Volume 20, Issue 4 (4-2018) ::
J Babol Univ Med Sci. 2018; Volume 20 Back to browse issues page
Kisspeptin: Key Regulator of Hypothalamic–Pituitary–Gonadal Axis
R Parandin * , M Behnam Rassouli
Department of Biology, Faculty of Sciences, Payame Noor University, Tehran, I.R.Iran , rahmatparandin@pnu.ac.ir
Abstract:   (7238 Views)
BACKGROUND AND OBJECTIVE: Gonadotropin-Releasing Hormone (GnRH) neurons of hypothalamus are final output of brain for regulation of puberty onset and hypothalamic pituitary gonadal (HPG) axis functions in mammals. However, the mechanisms responsible for release of GnRH neurons are unknown. A number of various factors including neurotransmitters, neuropeptides or different signals have been identified to be involved in the regulation of the secretion of GnRH neurons. Neuronal set of kisspeptin have been recognized recently as critical upstream regulators of GnRH neurons. Given the importance of this issue, in this study a review of various studies and sources about biosynthesis, neuroanatomy, signaling, function and dysfunction of kisspeptin was performed.
METHODS: In this review study, new evidence in relation to role of kisspeptin neuropeptide in the reproductive system were investigated by using various databases including pubmed, sciencedirect, nature, springer, wiley, scopus and key words such as kisspeptin, gonads, hypothalamus, GnRH and reproduction were used.
FINDINGS: From 145 gained articles, 63 articles were reviewed. Kisspeptin neuropeptide signaling in hypothalamus is required for initiation of puberty and mammalian reproductive function. Kisspeptin neurons stimulate GnRH release and act as central integrator of external and internal signals. Neurones kisspeptin are sensitive to sex steroids, metabolic cues estrogen like compounds.
CONCLUSION: Kisspeptin neurons play a vital role in the maturation and function of the HPG axis, including the sexual differentiation of the brain, the timing of puberty, the regulation of gonadotropin secretion and the control of fertility by hormonal and environmental cues.
Keywords: Kisspeptin, Gonads, Hypothalamus, Gonadotropin-Releasing Hormone
Full-Text [PDF 215 kb]   (2791 Downloads)    
Type of Study: Review | Subject: Vascular Surgery
Received: 2017/10/15 | Accepted: 2018/03/5 | Published: 2018/03/17
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Parandin R, Behnam Rassouli M. Kisspeptin: Key Regulator of Hypothalamic–Pituitary–Gonadal Axis. J Babol Univ Med Sci 2018; 20 (4) :59-67
URL: http://jbums.org/article-1-7215-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 20, Issue 4 (4-2018) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences

The Journal of Babol University of Medical Sciences is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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