Gametogenic and steroidogenic action of kisspeptin-10 in the Asian catfish, Clarias batrachus: Putative underlying mechanistic cascade

Singh, Ankur; Lal, Bechan; Parkash, Jyoti; Millar, Robert P.

doi:10.1016/j.cbpb.2021.110642

Cited by 10 publications

(2 citation statements)

References 92 publications

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“…In this context, the intra-gonadal roles of kisspeptin in fish are poorly understood. For example, Kiss1 was recently detected in the gonads of Asian catfish ( Clarias batrachus ) and it was suggested that it could locally regulate gonadal steroidogenesis ( 111 , 112 ). In addition, Chaube et al ( 95 ) found that kisspeptins in female stinging catfish, Heteropneustes fossilis , act not only at the brain or pituitary level but also on the ovary to stimulate ovarian maturation and ovulation, demonstrating the potential of these peptides for aquaculture.…”

Section: Kisspeptins´ Actions On the Gonadsmentioning

confidence: 99%

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

2022

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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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Section: Kisspeptins´ Actions On the Gonadsmentioning

confidence: 99%

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

2022

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“…Bouin's fluid-fixed testicular and ovarian tissues were processed for sectioning (6 μm thick) and haemotoxylin & eosin (H&E) staining following standard procedures described elsewhere (Singh et al, 2021;Priyadarshini Lal, 2018;Singh nee Priyadarshini and Lal, 2018). Briefly, the sections were mounted on 1% gelatin coated slides and dried on Leica hot plate (LEICA HI1220) at 40 °C overnight.…”

Section: Gonadal Histologymentioning

confidence: 99%

Seasonal expression and distribution of kisspeptin1 (kiss1) in the ovary and testis of freshwater catfish, Clarias batrachus: A putative role in steroidogenesis

et al. 2021

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Role of Neurokinin B in gametogenesis and steroidogenesis of freshwater catfish, Clarias batrachus

et al. 2023

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Gametogenic and steroidogenic action of kisspeptin-10 in the Asian catfish, Clarias batrachus: Putative underlying mechanistic cascade

Cited by 10 publications

References 92 publications

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

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

Seasonal expression and distribution of kisspeptin1 (kiss1) in the ovary and testis of freshwater catfish, Clarias batrachus: A putative role in steroidogenesis

Role of Neurokinin B in gametogenesis and steroidogenesis of freshwater catfish, Clarias batrachus

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