MECHANISMS IN ENDOCRINOLOGY: The gut-brain axis: regulating energy balance independent of food intake.

Ruben Nogueiras
Author Information
  1. Ruben Nogueiras: Department of Physiology, CIMUS, USC, CIBER Fisiopatolog��a Obesidad y Nutrici��n (CiberOBN), Instituto Salud Carlos III, Galician Agency of Innovation, Xunta de Galicia, Santiago de Compostela, Spain.

Abstract

Obesity is a global pandemic with a large health and economic burden worldwide. Bodyweight is regulated by the ability of the CNS, and especially the hypothalamus, to orchestrate the function of peripheral organs that play a key role in metabolism. gut hormones play a fundamental role in the regulation of energy balance, as they modulate not only feeding behavior but also energy expenditure and nutrient partitioning. This review examines the recent discoveries about hormones produced in the stomach and gut, which have been reported to regulate food intake and energy expenditure in preclinical models. Some of these hormones act on the hypothalamus to modulate thermogenesis and adiposity in a food intake-independent fashion. Finally, the association of these gut hormones to eating, energy expenditure, and weight loss after bariatric surgery in humans is discussed.

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MeSH Term

Adipose Tissue
Animals
Brain
Eating
Energy Metabolism
Gastric Mucosa
Gastrointestinal Hormones
Gastrointestinal Tract
Humans
Hypothalamus
Obesity

Chemicals

Gastrointestinal Hormones

Word Cloud

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