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CoAS_V1IS7_08
Popular Article
Leptin – A Potential Tool for Enhancing the Feed Conversion in Aquaculture
Pandi kalaiselvan1* and Mir Ishfaq Nazir2
Abstract
This review delves into the evolving landscape of teleostean leptin physiology in the context of global obesity concerns. Leptin, a key regulator of body weight and energy homeostasis, takes center stage in this exploration, with a particular focus on teleostean fishes renowned for their metabolic adaptability. Unlike mammals, fish predominantly synthesize leptin in the liver, displaying species-specific expression patterns. The interaction between leptin and its receptor (LepR) exhibits structural variations, underscoring the importance of tailoring considerations to individual species. Leptin's effects on fish food intake and body weight are complex, and contradictory results call for more research. Leptin also emerges as a crucial modulator of metabolism, responding to environmental cues like hypoxia. In the realm of reproduction, leptin's role is unfolding, potentially influencing sexual maturation. Furthermore, a regulatory connection between leptin and the fish stress axis is evident, influencing cortisol release and contributing to hormonal balance. Despite substantial strides, lingering questions prompt ongoing research into leptin's interactions, receptor mechanisms, and the evolutionary underpinnings of energy homeostasis. Leveraging teleostean models remains pivotal, providing distinctive insights into vertebrate physiology and the adaptive evolution of systems critical for maintaining energy balance amid environmental challenges.
Keywords
Stress, leptin, metabolism, synthesis, food intake, energy balance.
References
Baltzegar, D. A., Reading, B. J., Douros, J. D., & Borski, R. J. (2014). Role for leptin in promoting glucose mobilization during acute hyperosmotic stress in teleost fishes. J Endocrinol, 220(1), 61–72.
Gorissen, M., Bernier, N. J., Manuel, R., de Gelder, S., Metz, J. R., Huising, M. O., & Flik, G. (2012). Recombinant human leptin attenuates stress axis activity in common carp. PDF Hosted at the Radboud Repository of the Radboud University Nijmegen, 178, 97.
Tipsmark, C. K., Strom, C. N., Bailey, S. T., & Borski, R. J. (2008). Leptin stimulates pituitary prolactin release through an extracellular signal-regulated kinasedependent pathway. Journal of Endocrinology, 196(2), 275.
Trombley, S., Mustafa, A., & Schmitz, M. (2014). Regulation of the seasonal leptin and leptin receptor expression profile during early sexual maturation and feed restriction in male Atlantic salmon, Salmo salar L., parr. General and Comparative Endocrinology, 204, 60– 70.
- Published online
- 12th December, 2023
How to Cite the Article
Kalaiselvan, P. and Nazir, M. I. 2023. Leptin – A Potential Tool for Enhancing the Feed Conversion in Aquaculture. Chronicle of Aquatic Science 1(7): 41-46.
Copyright
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
CoAS_V1IS7_08
