Gynecological Endocrinology 1996-04-01

Role of leukotriene C4 in follicle-stimulating hormone (FSH) secretion in female rat pituitary.

A Przylipiak, T Rabe, L Kiesel, J Przylipiak, K Klinga, B Runnebaum

Index: Gynecol. Endocrinol. 10(2) , 95-100, (1996)

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Abstract

Leukotriene C4, at doses of 0.01 and 0.1 nmol/l added to superfused cells in pulse of 4-min duration, evoked follicle-stimulating hormone (FSH) release up to 12- to 26-fold of basal secretion. Higher and lower concentrations of leukotriene C4 were not able to induce FSH secretion. Gonadotropin-releasing hormone (GnRH)-induced FSH release was reduced by 38-57% by the leukotriene receptor antagonist FPL 55712 (10 mumol/l). Moreover, we have shown that FSH release occurs parallel to leukotriene C4 synthesis in rat anterior pituitary cells. Mellitin (100 nmol/l), an activator of phospholipase A2, induced FSH and radioactivity secretion in rat anterior pituitary cells previously preincubated for 24 h with [3H]arachidonic acid (AA).

Related Compounds

  • FPL 55712

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