Evidence for altered adipocyte function in polycystic ovary syndrome

被引:120
作者
Carmina, E
Orio, F
Palomba, S
Cascella, T
Longo, RA
Colao, AM
Lombardi, G
Lobo, RA
机构
[1] Columbia Univ, Dept Obstet & Gynecol, Columbia Presbyterian Med Ctr, New York, NY 10032 USA
[2] Univ Palermo, Dept Clin Med, Palermo, Italy
[3] Univ Naples Federico II, Dept Oncol & Mol Endocrinol, Naples, Italy
[4] Univ Magna Grecia Catanzaro, Dept Obstet & Gynecol, Catanzaro, Italy
关键词
D O I
10.1530/eje.1.01868
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Adipocytokines are produced by adipose tissue and have been thought to be related to insulin resistance and other health consequences. We measured leptin, adiponectin, and resistin simultaneously in women with polycystic ovary syndrome (PCOS) and age- and weight-matched controls. Our hypothesis was that these simultaneous measurements would help determine whether adipocytokine secretion is abnormal in PCOS independent of body mass and whether these levels are related to insulin resistance as well as other hormonal changes. Methods: Fifty-two women with PCOS and 45 normal ovulatory women who were age- and weight-matched were studied. Blood was obtained for adipocytokines (leptin, adiponectin, and resistin) as well as hormonal parameters and markers of insulin resistance as assessed by the quantitative insulin-sensitivity check index. Body mass index (BMI) was stratified into obese, overweight, and normal subgroups for comparisons between PCOS and controls. Results: Adiponectin was lower (P < 0.05) and resistin was higher (P < 0.05) while leptin was similar to matched controls. Breakdown of the groups into subgroups showed a strong body mass relationship for leptin with no changes in resistin although adiponectin was lower in PCOS, even controlling for BMI. In controls, leptin and adiponectin and leptin and resistin correlated (P < 0.05) but not in PCOS. In controls, all adipocytokines correlated with markers of insulin resistance but not in PCOS. Conclusions: When matched for BMI status, decreased adiponectin in PCOS represent the most marked change. This alteration may be the result of altered adipose tissue distribution and function in PCOS but no correlation with insulin resistance was found.
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页码:389 / 394
页数:6
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