期刊
GYNECOLOGIC ONCOLOGY
卷 129, 期 2, 页码 353-357出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2013.02.006
关键词
Adipokines; Ovarian cancer; Leptin; Adiponectin
Objectives. Obesity impacts outcome in women with epithelial ovarian cancer (EOC), although its exact role and the molecular mechanisms remain poorly defined. Adipocytes secrete leptin and adiponectin, and the leptin to adiponectin (LA) ratio is correlated with poor survival in other malignancies. We hypothesized that the LA ratio is associated with survival in women with EOC. Methods. We queried the institutional tumor registry for patients with advanced stage EOC and identified a cohort of 161 women with banked fasting prediagnostic serum samples. Patients underwent cytoredutive surgery followed by platinum-based chemotherapy. Sera were assayed for leptin and adiponectin, and clinico-pathologic data were abstracted. Standard statistical tests were performed. Results. 161 patients met inclusion criteria. We identified a significant correlation between BMI and leptin and the LA ratio, but not adiponectin, in this cohort (r = 0.46, 0.46, and -0.13, respectively; p = 0.001, 0.001, and 0.106). Women with low LA ratios demonstrated statistically longer disease-specific survival (57 months) compared to those with median or high levels (49 and 37 months, respectively; p = 0.02). On multivariate analysis, we determined that BMI and age, but not LA ratio, retained significance as independent prognostic factors for survival (p = 0.04, 0.004, and 0.895, respectively). Conclusions. In this cohort, the LA ratio correlated statistically with clinical outcome, but did not independently predict survival. Obesity remains a modifiable risk factor in women with EOC. Further studies are needed to determine if leptin and/or adiponectin may be potential therapeutic targets in obese women with EOC. (C) 2013 Elsevier Inc. All rights reserved.
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