Metabolic Regulation of Kisspeptin
Abstract
Body energy balance and metabolic signals are important modulators of puberty and reproductive function, so that perturbations of metabolism and energy reserves (ranging from persistent energy insufficiency to morbid obesity) are frequently linked to reproductive disorders. The mechanisms for the tight association between body metabolic state and reproduction are multifaceted, and likely involve numerous peripheral hormones and central transmitters. In recent years, a prominent role of kisspeptins in the central pathways responsible for conveying metabolic information into the brain centers responsible for reproductive control, and specifically GnRH neurons, has been proposed on the basis of a wealth of expression and functional data. In this chapter, we will summarize such evidence, with special attention to the potential (direct and/or indirect) interaction of leptin and kisspeptin pathways. In addition, other potential metabolic modulators of kisspeptin signaling, as well as some of the putative molecular mechanisms for the metabolic regulation of Kiss1 will be briefly reviewed. Conflictive data, including those questioning an essential role of Kiss1 neurons in mediating leptin effects on the reproductive axis, will be also discussed. All in all, we aim to provide an integral and balanced view of the physiological relevance and potential mechanisms for the metabolic control of the kisspeptin system, as important pathway for the integral regulation of energy balance, puberty onset, and fertility.
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When energy deficits occur through undernutrition or excessive energy expenditure, the KISS1 gene is downregulated, resulting in subsequent repression of the GnRH neurons and downregulation of the reproductive axis.
“Importantly, when energy deficits occur, through undernutrition or excessive energy expenditure, the KISS1 gene is downregulated resulting in subsequent repression of the GnRH neurons and downregulation of the reproductive axis [134,135].”
From International society of sports nutrition position stand: nutritional concerns of the female athlete (2023) · cites this paper as [134]
For women, exercising in a fed state results in a greater total daily energy expenditure and increased fat oxidation, potentially improving body composition.
“whereas exercising in a fed state will result in a greater total daily energy expenditure and increased fat oxidation, potentially improving body composition [134,135]”
From International society of sports nutrition position stand: nutritional concerns of the female athlete (2023) · cites this paper as [134]
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“exercising in a fasted state can blunt fat oxidation [240], whereas exercising in a fed state will result in a greater total daily energy expenditure and increased fat oxidation, potentially improving body composition [134,135].”
BackgroundAllaway, H. C. M., Southmayd, E. A., & De Souza, M. J. (2016) · Hormone Molecular Biology and Clinical Investigation · doi:10.1515/hmbci-2015-0053 · Cited by 89 · see citing works
- Authors
- Castellano, J. M., & Tena-Sempere, M.
- Affiliations
- University of Córdoba (ES)
- Venue
- Advances in Experimental Medicine and Biology
- Publisher
- Springer New York
- Published
- 2013
- Volume
- 784
- Pages
- 363-383
- ISSN
- 0065-2598 (ISSN-L)
- OpenAlex
- W45641751
- Cited by
- 42
- References
- 81
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 2 · 2023: 2 · 2021: 7 · 2020: 3 · 2019: 2 · 2018: 4 · 2017: 3 · 2016: 4 · 2015: 4 · 2014: 4 · 2013: 2
- FWCI
- 23.06
- Type
- book chapter
- Language
- en
- Open access
- closed
- Licence
- Locations
- Advances in experimental medicine and biology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
- Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
- Keywords
- kisspeptin, Kiss1 neurons, leptin, GnRH neurons, puberty onset, energy balance, reproductive axis, obesity, fertility, hypothalamic-pituitary-gonadal axis
- MeSH terms
- Animals, Brain, Energy Metabolism, Fertility, Humans, Gonadotropin-Releasing Hormone, Neurons, Obesity, Morbid, Puberty, Reproduction, Signal Transduction, Leptin, Kisspeptins
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