Emerging Perspectives on Gonadotropin Regulation in Vertebrates Revealed by the Discovery of FSH‐RH in Teleosts

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Autori principali: Daichi Kayo, Shun Kenny Uehara, Muhammad Rahmad Royan, Shinji Kanda
Natura: Artículo Open Access
Pubblicazione: Wiley 2025
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author Daichi Kayo
Shun Kenny Uehara
Muhammad Rahmad Royan
Shinji Kanda
author_facet Daichi Kayo
Shun Kenny Uehara
Muhammad Rahmad Royan
Shinji Kanda
Daichi Kayo
Shun Kenny Uehara
Muhammad Rahmad Royan
Shinji Kanda
collection Wiley Open Access
contents Emerging Perspectives on Gonadotropin Regulation in Vertebrates Revealed by the Discovery of FSH‐RH in Teleosts Daichi Kayo Shun Kenny Uehara Muhammad Rahmad Royan Shinji Kanda BioEssays ABSTRACT Vertebrate gonadal function is regulated by pituitary gonadotropins, follicle‐stimulating hormone (FSH) and luteinizing hormone (LH). These hormones are considered to be regulated by hypothalamic factor(s). Since the discovery of gonadotropin‐releasing hormone (GnRH) in mammals, which stimulates the secretion of both FSH and LH, GnRH had been believed to be the sole gonadotropin‐releasing hormone in vertebrates for more than 5 decades. However, recent studies have identified an alternative primary regulator of FSH in teleosts, leading to the hypothesis that FSH and LH are regulated by different factors in teleosts (dual GnRH model). This contrasts with the situation in mammals, where a single GnRH regulates both hormones (solo GnRH model). Importantly, although underlying mechanisms likely differ, both teleosts and mammals reproduce efficiently and have convergently evolved similar phenomena, including steroid feedback regulation. In this review, by comparing these taxa, we summarize mechanistic differences and propose an evolutionary scenario based on current experimental evidence. 10.1002/bies.70066 http://creativecommons.org/licenses/by/4.0/
doi_str_mv 10.1002/bies.70066
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id wiley_oa_10_1002_bies_70066
institution Wiley Open Access
license_str_mv http://creativecommons.org/licenses/by/4.0/
publishDate 2025
publisher Wiley
record_format wiley_oa
spellingShingle Emerging Perspectives on Gonadotropin Regulation in Vertebrates Revealed by the Discovery of FSH‐RH in Teleosts
Daichi Kayo
Shun Kenny Uehara
Muhammad Rahmad Royan
Shinji Kanda
BioEssays
Emerging Perspectives on Gonadotropin Regulation in Vertebrates Revealed by the Discovery of FSH‐RH in Teleosts Daichi Kayo Shun Kenny Uehara Muhammad Rahmad Royan Shinji Kanda BioEssays ABSTRACT Vertebrate gonadal function is regulated by pituitary gonadotropins, follicle‐stimulating hormone (FSH) and luteinizing hormone (LH). These hormones are considered to be regulated by hypothalamic factor(s). Since the discovery of gonadotropin‐releasing hormone (GnRH) in mammals, which stimulates the secretion of both FSH and LH, GnRH had been believed to be the sole gonadotropin‐releasing hormone in vertebrates for more than 5 decades. However, recent studies have identified an alternative primary regulator of FSH in teleosts, leading to the hypothesis that FSH and LH are regulated by different factors in teleosts (dual GnRH model). This contrasts with the situation in mammals, where a single GnRH regulates both hormones (solo GnRH model). Importantly, although underlying mechanisms likely differ, both teleosts and mammals reproduce efficiently and have convergently evolved similar phenomena, including steroid feedback regulation. In this review, by comparing these taxa, we summarize mechanistic differences and propose an evolutionary scenario based on current experimental evidence. 10.1002/bies.70066 http://creativecommons.org/licenses/by/4.0/
title Emerging Perspectives on Gonadotropin Regulation in Vertebrates Revealed by the Discovery of FSH‐RH in Teleosts
topic BioEssays
url https://onlinelibrary.wiley.com/doi/10.1002/bies.70066