There is Kisspeptin - And Then There is Kisspeptin

Mehboob Hussain, Woo Jin Song, Andrew Wolfe

Research output: Contribution to journalArticle

Abstract

While kisspeptin was initially found to function as a metastasis suppressor, after identification of its receptor KISS1R and their expression profiles in tissues such as the hypothalamus and adrenals, kisspeptin and KISS1R were predominantly assigned endocrine functions, including regulating puberty and fertility through their actions on hypothalamic gonadotropin releasing hormone production. More recently, an alter ego for kisspeptin has emerged, with a significant role in regulating glucose homeostasis, insulin secretion, as well as food intake and body composition, and deficient kisspeptin signaling results in reduced locomotor activity and increased adiposity. This review highlights these recent observations on the role of kisspeptin in metabolism as well as several key questions that need to be addressed in the future. Kisspeptin and its class I G protein-coupled receptor KISS1R regulate not only (i) puberty and fertility but also (ii) glucose homeostasis, locomotor activity, and body-weight control. Glucagon stimulates liver kisspeptin production. Kisspeptin inhibits insulin secretion via activating KISS1R located on pancreatic β cells. In the absence of KISS1R signaling, locomotor activity is profoundly reduced, accompanied by a slight reduction in food intake and energy expenditure, leading to adiposity. An absence of KISS1R signaling results in increased body weight and impaired glucose homeostasis in female but not male mice.

Original languageEnglish (US)
Pages (from-to)564-572
Number of pages9
JournalTrends in Endocrinology and Metabolism
Volume26
Issue number10
DOIs
StatePublished - Oct 1 2015

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Kisspeptins
Locomotion
Homeostasis
Adiposity
Puberty
Glucose
Fertility
Eating
Body Weight
Insulin
Pituitary Hormone-Releasing Hormones
Ego
G-Protein-Coupled Receptors
Body Composition
Glucagon
Gonadotropin-Releasing Hormone
Energy Metabolism
Hypothalamus
Neoplasm Metastasis

Keywords

  • Glucagon
  • Insulin
  • Kisspeptin
  • Obesity
  • Satiety
  • Sexual dimorphism

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

There is Kisspeptin - And Then There is Kisspeptin. / Hussain, Mehboob; Song, Woo Jin; Wolfe, Andrew.

In: Trends in Endocrinology and Metabolism, Vol. 26, No. 10, 01.10.2015, p. 564-572.

Research output: Contribution to journalArticle

Hussain, Mehboob ; Song, Woo Jin ; Wolfe, Andrew. / There is Kisspeptin - And Then There is Kisspeptin. In: Trends in Endocrinology and Metabolism. 2015 ; Vol. 26, No. 10. pp. 564-572.
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