Hormonal and neuroendocrine regulation of energy balance

P Trayhurn, Nigel Hoggard, Julian Mercer, D V Rayner

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A new dimension to the regulation of energy balance has come from the identification of the ob (obese) gene and its protein product, leptin. Leptin is produced primarily in white adipose tissue, but synthesis also occurs in brown fat and the placenta. Several physiological functions have been described for leptin the inhibition of food intake, the stimulation/maintenance of energy expenditure, as a signal of energy reserves to the reproductive system, and as a factor in haematopoiesis. The production of leptin by white fat is influenced by a number of factors, including insulin and glucocorticoids (which are stimulatory), and fasting, cold exposure and beta-adrenoceptor agonists (which are inhibitory). A key role in the regulation of leptin production is envisaged for the sympathetic nervous system, operating through beta 3-adrenoceptors. The leptin receptor gene is expressed in a wide range of tissues, and several splice variants are evident. A long form variant (Ob-Rb) with an intracellular signalling domain is found particularly in the hypothalamus. Leptin exerts its central effects through neuropeptide Y, and through the glucagon-like peptide-1 and melanocortin systems, but it may also interact with other neuroendocrine pathways. The role and function of the leptin system in agricultural animals has not been established, but it offers a potential new target for the manipulation of body fat.
Original languageEnglish
Pages (from-to)177-185
Number of pages9
JournalArchiv für Tierernährung
Volume51
Issue number2-3
Publication statusPublished - 1 Jan 1998

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Leptin
White Adipose Tissue
Adrenergic Receptors
Melanocortins
Leptin Receptors
Glucagon-Like Peptide 1
Brown Adipose Tissue
Neuropeptide Y
Sympathetic Nervous System
Hematopoiesis
Placenta
Energy Metabolism
Glucocorticoids
Hypothalamus
Adipose Tissue
Fasting
Eating
Maintenance
Insulin
Genes

Keywords

  • Animals
  • Animals, Domestic
  • Carrier Proteins
  • Energy Metabolism
  • Hormones
  • Leptin
  • Neurosecretory Systems
  • Protein Biosynthesis
  • Proteins
  • Receptors, Cell Surface
  • Receptors, Leptin

Cite this

Hormonal and neuroendocrine regulation of energy balance. / Trayhurn, P; Hoggard, Nigel; Mercer, Julian; Rayner, D V.

In: Archiv für Tierernährung, Vol. 51, No. 2-3, 01.01.1998, p. 177-185.

Research output: Contribution to journalArticle

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