Melanin-concentrating hormone

Research output: Chapter in Book/Report/Conference proceedingChapter


MCH was originally discovered as a cyclic neuropeptide in the chum salmon pituitary. MCH is secreted from the pituitary into the circulation, and is responsible for aggregating melanin granules in teleost fish. Mammalian MCH was subsequently identified in the rat hypothalamus. MCH is highly expressed in the lateral hypothalamus and zona incerta in rodents, both of which have extensive projections throughout the brain. Acute intracerebroventricular injections of MCH transiently stimulate food intake in rats while chronic infusion of MCH significantly increases food intake, body weight, and white adipose tissue mass in mice fed a moderately high-fat diet ad libitum. The recording and manipulation of MCH neuronal activity in behaving animals further support the physiological significance of MCH in regulating feeding, sleep, and memory. Current evidence also shows that MCH receptor antagonists are efficacious in animal models of depression, anxiety, sleep disturbance, and reward.

Original languageEnglish
Title of host publicationHandbook of Hormones
Subtitle of host publicationComparative Endocrinology for Basic and Clinical Research
Number of pages4
ISBN (Electronic)9780128206492
Publication statusPublished - 01-01-2021

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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