European journal of obstetrics, gynecology, and reproductive biology · 1986
Plasma ACTH levels and beta-endorphin-like immunoreactivity following administration of luteinizing hormone-releasing hormone in Nelson's syndrome.
Клиническое исследованиеКонтролируемое клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Kasperlik-Załuska A A, Abdel-Fattah M H, Jeske W, Puciłowska J
Аннотация
The effect of LH-RH (25 micrograms as a single i.v. bolus) on plasma corticotropin (ACTH) levels and beta-endorphin-like immunoreactivity was studied at 30 and 60 min in eight women with Nelson's syndrome. Plasma ACTH concentrations increased in three of them, while beta-endorphin-like immunoreactivity, measured in six cases, rose significantly at 30 min in all the patients under investigation. In the control group containing seven women with Nelson's syndrome, placebo (0.9% sodium chloride) administration did not induce any significant changes in ACTH concentrations or in beta-endorphin-like immunoreactivity. Our results suggest that a paradoxical stimulatory influence of LH-RH on pituitary Nelson's adenomas may play an important role in the adenoma hormonal activity and, perhaps, growth. Such an effect could be responsible for a rapid development of some pituitary neoplasms during pregnancy.