Dictionary » L » Lipotropin



noun, plural: lipotropins

A polypeptide hormone of the anterior pituitary gland that helps promote fat utilization (lipolysis) and acts as a precursor to certain endogenous opiate peptides


Lipotropin is a large polypeptide produced by the cells in the anterior pituitary gland. It is produced by the cleavage of proopiomelanocortin. Its physiological role is to promote fat mobilization from adipose tissues. It also promotes skin darkening since it stimulates melanocytes to produce melanin (dark pigment). It also acts as a precursor to certain endogenous opiates, such as endorphins.

Word origin: lipotrop(ic) + -in


  • lipid-mobilizing hormone
  • lipotropic hormone

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The Fiber Disease

... Alaska." cAMP acts as a second messenger to various hormones: epinephrine or adrenaline, noerpinephrine or noradrenaline, corticotropin, lipotropin, vasopressin and specifically para-thyroid hormones and thyroid-stimulating hormones (TSH). When the amount of phosphodiesterase (which regulates ...

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