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  • Title: Effect of LHRH on plasma 7B2 in patients with gonadotropin-producing pituitary adenomas.
    Author: Iguchi H, Demura R, Yasuda D, Wakasugi H.
    Journal: Horm Metab Res; 1992 Jan; 24(1):31-3. PubMed ID: 1612556.
    Abstract:
    Plasma immunoreactive (IR)-7B2 was measured in four patients with gonadotropin-producing pituitary adenomas. The basal level of plasma IR-7B2 was elevated in one of the four patients. Hyperresponse of plasma IR-7B2 to LHRH or LHRH/TRH was noted in two patients tested. 7B2 was positively stained in a paraffin-embedded section of gonadotropin-producing pituitary adenoma obtained at surgery. These findings suggest that 7B2 is produced in gonadotropin-producing pituitary adenomas and secreted into the blood stream under certain conditions. 7B2 may be a useful marker for gonadotropin-producing pituitary adenomas.
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