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Article

Differential Regulation of Gonadotropins as Revealed by Transcriptomes of Distinct LH and FSH Cells of Fish Pituitary

1
Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food, and Environment, Hebrew University of Jerusalem, Rehovot 76100, Israel
2
Department of Poultry and Aquaculture, Institute of Animal Sciences, Agricultural Research Organization, Volcani Center, P.O.B 15159, Rishon Letziyon 7505101, Israel
*
Author to whom correspondence should be addressed.
Academic Editor: Panagiotis G. Anagnostis
Int. J. Mol. Sci. 2021, 22(12), 6478; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22126478
Received: 11 May 2021 / Revised: 2 June 2021 / Accepted: 10 June 2021 / Published: 17 June 2021
(This article belongs to the Special Issue Hormones and Receptors in Sexual Reproduction)
From mammals to fish, reproduction is driven by luteinizing hormone (LH) and follicle-stimulating hormone (FSH) temporally secreted from the pituitary gland. Teleost fish are an excellent model for addressing the unique regulation and function of each gonadotropin cell since, unlike mammals, they synthesize and secrete LH and FSH from distinct cells. Only very distant vertebrate classes (such as fish and birds) demonstrate the mono-hormonal strategy, suggesting a potential convergent evolution. Cell-specific transcriptome analysis of double-labeled transgenic tilapia expressing GFP and RFP in LH or FSH cells, respectively, yielded genes specifically enriched in each cell type, revealing differences in hormone regulation, receptor expression, cell signaling, and electrical properties. Each cell type expresses a unique GPCR signature that reveals the direct regulation of metabolic and homeostatic hormones. Comparing these novel transcriptomes to that of rat gonadotrophs revealed conserved genes that might specifically contribute to each gonadotropin activity in mammals, suggesting conserved mechanisms controlling the differential regulation of gonadotropins in vertebrates. View Full-Text
Keywords: LH; FSH; pituitary; GPCR; gonadotropins; neuropeptides; cck; GnRH LH; FSH; pituitary; GPCR; gonadotropins; neuropeptides; cck; GnRH
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MDPI and ACS Style

Hollander-Cohen, L.; Golan, M.; Levavi-Sivan, B. Differential Regulation of Gonadotropins as Revealed by Transcriptomes of Distinct LH and FSH Cells of Fish Pituitary. Int. J. Mol. Sci. 2021, 22, 6478. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22126478

AMA Style

Hollander-Cohen L, Golan M, Levavi-Sivan B. Differential Regulation of Gonadotropins as Revealed by Transcriptomes of Distinct LH and FSH Cells of Fish Pituitary. International Journal of Molecular Sciences. 2021; 22(12):6478. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22126478

Chicago/Turabian Style

Hollander-Cohen, Lian, Matan Golan, and Berta Levavi-Sivan. 2021. "Differential Regulation of Gonadotropins as Revealed by Transcriptomes of Distinct LH and FSH Cells of Fish Pituitary" International Journal of Molecular Sciences 22, no. 12: 6478. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22126478

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