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Overview and New Insights Into the Diversity, Evolution, Role, and Regulation of Kisspeptins and Their Receptors in Teleost Fish

文献类型： 外文期刊

作者： Wang, Bin 1 ; Mechaly, Alejandro S. 3 ; Somoza, Gustavo M. 5 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao, Peoples R China

2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Fisheries andFood Prod Proc, Qingdao, Peoples R China

3.Consejo Nacl Invest Cient & Tecn, Inst Invest Biodivers & Biotecnol INBIOTEC, Mar Del Plata, Argentina

4.Fdn Invest Biol Aplicadas FIBA, Mar Del Plata, Argentina

5.CONICET UNSAM, Inst Tecnol Chascomus, Chascomus, Argentina

关键词： fish; kisspeptin; kisspeptin receptor; reproduction; signaling pathway; gene regulation

期刊名称：FRONTIERS IN ENDOCRINOLOGY （ 影响因子：6.055； 五年影响因子：6.335 ）

ISSN： 1664-2392

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： In the last two decades, kisspeptin (Kiss) has been identified as an important player in the regulation of reproduction and other physiological functions in vertebrates, including several fish species. To date, two ligands (Kiss1, Kiss2) and three kisspeptin receptors (Kissr1, Kissr2, Kissr3) have been identified in teleosts, likely due to whole-genome duplication and loss of genes that occurred early in teleost evolution. Recent results in zebrafish and medaka mutants have challenged the notion that the kisspeptin system is essential for reproduction in fish, in marked contrast to the situation in mammals. In this context, this review focuses on the role of kisspeptins at three levels of the reproductive, brain-pituitary-gonadal (BPG) axis in fish. In addition, this review compiled information on factors controlling the Kiss/Kissr system, such as photoperiod, temperature, nutritional status, sex steroids, neuropeptides, and others. In this article, we summarize the available information on the molecular diversity and evolution, tissue expression and neuroanatomical distribution, functional significance, signaling pathways, and gene regulation of Kiss and Kissr in teleost fishes. Of particular note are recent advances in understanding flatfish kisspeptin systems, which require further study to reveal their structural and functional diversity.

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