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Horm Res. 1996;46(2):59-63.

Responses of somatostatin, beta-endorphin and dynorphin A to a glucose load in two groups of women with polycystic ovarian syndrome.

Author information

1
Department of Gynecology, Nanjing Jingling Hospital, People's Republic of China.

Abstract

To investigate the relationship between elevated LH, hyperinsulinemia and neuropeptides in polycystic ovarian syndrome (PCOS), we measured the endogenous levels of insulin, somatostatin (SS), beta-endorphin (beta-EP) and dynorphin A (Dyn A) before and after a glucose load in three groups: group 1 (LH/ FSH > or = 3, n = 30); group 2 (LH/FSH < 3, n = 25), and controls (n = 15). In the basal state, significantly negative correlations were found between LH and SS (r = -0.51, p < 0.05) in group 1 and between LH and beta-EP (r = -0.49, p < 0.05) in group 2. After a glucose load, PCOS women had greater beta-EP and Dyn A responses in group 1 and impaired SS response in group 2 as compared with the control. The data suggest endogenously lower SS, higher beta-EP and Dyn A may contribute to the elevation of LH and insulin secretions in PCOS.

PMID:
8871183
DOI:
10.1159/000184997
[Indexed for MEDLINE]

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