How do peptide hormones and steroid hormones affect the metabolism of the cell

AgRP together with NPY represent a distinct set of ARC-expressed orexigenic peptides. AgRP is classically referred to as a member of the central melanocortin system, which in addition to AgRP comprises α-melanocyte stimulating hormone, α-MSH (see below for description of α-MSH actions) and two melanocortin receptors identified as melanocortin receptor-3 (MC3R) and melanocortin receptor-4 (MC4R). Whereas, α-MSH is an agonist of both MC3R and MC4R, AgRP serves to antagonize the actions of α-MSH at these same receptors with highest antagonist activity on MC4R. In addition to antagonizing the effect of α-MSH at the MC3R and MC4R, AgRP suppresses the basal activity of the MC4R, thus defining AgRP as an inverse agonist.

Many hormones and their structural and functional analogs are used as medication . The most commonly prescribed hormones are estrogens and progestogens (as methods of hormonal contraception and as HRT ), [12] thyroxine (as levothyroxine , for hypothyroidism ) and steroids (for autoimmune diseases and several respiratory disorders ). Insulin is used by many diabetics . Local preparations for use in otolaryngology often contain pharmacologic equivalents of adrenaline , while steroid and vitamin D creams are used extensively in dermatological practice.

Prolactin and mammotrophic are secreted by the anterior pituitary gland. The only hormones secreted by the posterior pituitary are ADH/vasopressin and oxytocin. Post your comments Post Anonymously Please enter the code:

How do peptide hormones and steroid hormones affect the metabolism of the cell

how do peptide hormones and steroid hormones affect the metabolism of the cell

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