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Thyroid Thyrotropin

Thyrotropin (thyroid-stimulating hormone, TSH) and the related hormones lutropin (luteinizing hormone, LH) and follitropin (follicle-stimulating hormone, FSH) originate in the adenohypophysis. They are all dimeric glycoproteins with masses of around 28 kDa. Thyrotropin stimulates the synthesis and secretion of thyroxin by the thyroid gland. [Pg.380]

The thyroid and parathyroid glands are two important endocrine organs that are heavily committed to the biosynthesis of hormones as chemical messengers. The thyroid gland, which surrounds the larynx, has an enormous variety of metabolic functions. It is itself regulated by thyroliberin, which in turn regulates production of thyrotropin (thyroid... [Pg.359]

B. D. Weintraub, M. S. Szkunlinski (1999). Development and in vitro characterization of human recombinant thyrotropin. Thyroid 9 447. [Pg.384]

Control of thyroid function via thyroid-pituitary feedback is also discussed in Chapter 37. Briefly, hypothalamic cells secrete thyrotropin-releasing hormone (TRH) (Figure 38-3). TRH is secreted into capillaries of the pituitary portal venous system, and in the pituitary gland, TRH stimulates the synthesis and release of thyrotropin (thyroid-stimulating hormoneTSH). TSH in turn stimulates an adenylyl cyclase-mediated mechanism in the thyroid cell to increase the synthesis and release of T4 and T3. These thyroid hormones act in a negative feedback fashion in the pituitary to block the action of TRH and in the hypothalamus to inhibit the synthesis and secretion of TRH. Other hormones or drugs may also affect the release of TRH or TSH. [Pg.857]

Thyrotropin (thyroid-stimulating hormone, TSH)b Follitropin (follicle-stimulating hormone, FH)b Lutropin (luteinizing hormone, ICSH or LH)b Thyroid Ovaries, testes Ovaries, testes Ch 25, B2... [Pg.1744]

Thyrotropin (thyroid-stimulating hormone, TSH) [SEDA-31, 683 SEDA-32, 763]... [Pg.881]

Laurent, E., Van Sande, J., Ludgate, M., Corvilain, B., Rocmans, P., Dumont, J.E., Mockel, J., 1991, Unlike thyrotropin, thyroid-stimulating antibodies do not activate phosphohpase C in human thyroid shces, J. Clin. Invest. 87 1. [Pg.39]

See other pages where Thyroid Thyrotropin is mentioned: [Pg.341]    [Pg.207]    [Pg.572]    [Pg.112]    [Pg.159]    [Pg.620]    [Pg.644]    [Pg.274]    [Pg.2054]    [Pg.283]    [Pg.284]    [Pg.499]    [Pg.835]    [Pg.937]    [Pg.1366]    [Pg.375]    [Pg.39]    [Pg.558]    [Pg.672]    [Pg.362]    [Pg.44]    [Pg.211]    [Pg.39]    [Pg.567]    [Pg.568]   
See also in sourсe #XX -- [ Pg.161 ]



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Thyrotropin

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