Pulsatile Release of Immunoreactive Luteinizing Hormone (irLH) in Hypophysectomized Male Rats1
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چکیده
منابع مشابه
Pulsatile Luteinizing Hormone Secretion in Patients
The physiological and pathophysiological role of cortisol in pulsatile LH release was investigated in 14 patients (5 men, 6 premenopausal women, and 3 postmenopausal women) with Addison’s disease. The explicit effect of cortisol in relation to the effect of corticotropin-releasing factor (CRF), ACTH, and opioids was ensured by hypo-, normo-, and hypercortisolism. Hypocortisolism was obtained by...
متن کاملIntracerebroventricular administration of melanin-concentrating hormone suppresses pulsatile luteinizing hormone release in the female rat.
Melanin-concentrating hormone (MCH) has been reported to be involved in the regulation of feeding behaviour in rats and mice. Because many neuropeptides that influence ingestive behaviour also regulate reproductive function, the present study was designed to determine if central administration of MCH changes pulsatile secretion of luteinizing hormone (LH) in the rats. Wistar-Imamichi strain fem...
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Two independent groups recently published data comparing pulsatile luteinizing hormone (LH) release between depressed and control women. Despite similar populations and LH sampling frequency, they reached different conclusions: Meller et al. [Am. J. Psych. 154 (1997) 1454] found disruption of normal LH pulsatility in depressed women, whereas Young et al. [Arch. Gen. Psych. 57 (2000) 1157] did n...
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The present study aimed to determine estrogen feedback action sites to mediate prepubertal restraint of gonadotropin-releasing hormone (GnRH)/luteinizing hormone (LH) release in female rats. Wistar-Imamichi strain rats were ovariectomized (OVX) and received a local estradiol-17β (estradiol) or cholesterol microimplant in several brain areas, such as the medial preoptic area (mPOA), paraventricu...
متن کاملPulsatile luteinizing hormone secretion in the castrate male bovine: effects of testosterone or estradiol replacement therapy.
Luteinizing hormone (LH) secretory profiles have been determined for the male bovine following castration and steroid replacement therapy. Serum LH concentrations increased approximately threefold during the first week following castration and thereafter remained elevated (6.6 +/- .7 ng/ml). Castrates not receiving steroid replacement showed a rhythmic pattern of LH release that was of high fre...
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ژورنال
عنوان ژورنال: Biology of Reproduction
سال: 1986
ISSN: 0006-3363,1529-7268
DOI: 10.1095/biolreprod35.5.1115