Study summary · research use only
The Emerging Role(s) for Kisspeptin in Metabolism in Mammals
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
This review (mammals, no single species specified) discusses the emerging role of kisspeptin in metabolism. Kisspeptin was initially identified as a metastasis suppressor, and the authors describe its established role in regulating fertility, acting as a neurotransmitter via the kisspeptin receptor to regulate hypothalamic GnRH neurons and affect pituitary-gonadal function. The review discusses more recent work indicating a role for kisspeptin signaling in regulating glucose homeostasis, feeding behavior, body composition, and cardiac function, along with direct effects on peripheral metabolic tissues, and summarizes the emerging endocrine role of kisspeptin in metabolic function, noting controversies, current limitations, and areas for future study.
Abstract
Kisspeptin was initially identified as a metastasis suppressor. Shortly after the initial discovery, a key physiologic role for kisspeptin emerged in the regulation of fertility, with kisspeptin acting as a neurotransmitter via the kisspeptin receptor, its cognate receptor, to regulate hypothalamic GnRH neurons, thereby affecting pituitary-gonadal function. Recent work has demonstrated a more expansive role for kisspeptin signaling in a variety of organ systems. Kisspeptin has been revealed as a significant player in regulating glucose homeostasis, feeding behavior, body composition as well as cardiac function. The direct impact of kisspeptin on peripheral metabolic tissues has only recently been recognized. Here, we review the emerging endocrine role of kisspeptin in regulating metabolic function. Controversies and current limitations in the field as well as areas of future studies toward kisspeptin's diverse array of functions will be highlighted.
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