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Inhibin is produced in the gonads, pituitary gland, placenta, corpus luteum and other organs. FSH stimulates the secretion of inhibin from the granulosa cells of the ovarian follicles in the ovaries. In turn, inhibin suppresses FSH. Inhibin B reaches a peak in the early- to mid-follicular phase, and a second peak at ovulation.
Inhibin can bind specifically to testicular interstitial cells throughout development and may be an important regulator of Leydig cell testosterone production or interstitial cell function. [8] The inhibin beta B subunit joins the α subunit to form a pituitary FSH secretion inhibitor. Inhibin has been shown to regulate gonadal stromal cell ...
Inhibin, beta A, also known as INHBA, is a protein which in humans is encoded by the INHBA gene. [5] INHBA is a subunit of both activin and inhibin , two closely related glycoproteins with opposing biological effects.
anti-Müllerian hormone (AMH), secreted during the early stages of fetal life; inhibin and activins, secreted after puberty, work together to regulate FSH secretion; androgen-binding protein (also called testosterone-binding globulin) increases testosterone concentration in the seminiferous tubules to lightly stimulate spermatogenesis
This gene encodes the beta C chain of inhibin, a member of the TGF-beta superfamily. This subunit forms heterodimers with beta A and beta B subunits. Inhibins and activins , also members of the TGF-beta superfamily, are hormones with opposing actions and are involved in hypothalamic , pituitary , and gonadal hormone secretion, as well as growth ...
Releasing hormones and inhibiting hormones are hormones whose main purpose is to control the release of other hormones, either by stimulating or inhibiting their release. They are also called liberins ( / ˈ l ɪ b ə r ɪ n z / ) and statins ( / ˈ s t æ t ɪ n z / ) (respectively), or releasing factors and inhibiting factors .
HPG regulation in males, with the inhibin/activin system playing a similar role on GnRH-producing cells. The hypothalamus is located in the brain and secretes GnRH. [1] GnRH travels down the anterior portion of the pituitary via the hypophyseal portal system and binds to receptors on the secretory cells of the adenohypophysis. [2]
Its primary function is the binding and bioneutralization of members of the TGF-β superfamily, with a particular focus on activin, a paracrine hormone. An earlier name for the same protein was FSH-suppressing protein ( FSP ).