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J Clin Endocrinol Metab. 2004 Jul;89(7):3337-44.

Ghrelin and measures of satiety are altered in polycystic ovary syndrome but not differentially affected by diet composition.

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  • 1Reproductive Medicine Unit, Department of Obstetrics and Gynaecology, The University of Adelaide, Adelaide, South Australia 5000, Australia. lisa.moran@csiro.au

Abstract

Polycystic ovary syndrome (PCOS) is a common endocrine condition in women of reproductive age associated with obesity. It may involve dysregulation of ghrelin, a hormone implicated in appetite regulation. The effect of diet composition on ghrelin is unclear. Overweight women with and without PCOS were randomized to a high-protein (40% carbohydrate, 30% protein; 10 PCOS, six non-PCOS) or standard protein diet (55% carbohydrate, 15% protein; 10 PCOS, six non-PCOS) for 12 wk of energy restriction and 4 wk of weight maintenance. Diet composition had no effect on fasting or postprandial ghrelin or measures of satiety. Non-PCOS subjects had a 70% higher fasting baseline ghrelin (P = 0.011), greater increase in fasting ghrelin (57.5 vs. 34.0%, P = 0.033), and greater maximal decrease in postprandial ghrelin after weight loss (-144.1 +/- 58.4 vs. -28.9 +/- 14.2 pg/ml, P = 0.02) than subjects with PCOS. Subjects with PCOS were less satiated (P = 0.001) and more hungry (P = 0.007) after a test meal at wk 0 and 16 than subjects without PCOS. Appetite regulation, as measured by subjective short-term hunger and satiety and ghrelin homeostasis, may be impaired in PCOS.

PMID:
15240612
[PubMed - indexed for MEDLINE]
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