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KMID : 1037120180360010057
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The World Journal of Men′s Health
2018 Volume.36 No. 1 p.57 ~ p.65
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Clinical Significance of Serum Adipokines according to Body Mass Index in Patients with Clinically Localized Prostate Cancer Undergoing Radical Prostatectomy
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Kang Min-Yong
Byun Seok-Soo
Lee Sang-Eun
Hong Sung-Kyu
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Abstract
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Purpose: The aim of this study was to investigate the clinical significance of 7 circulating adipokines according to body mass index (BMI) in Korean men with localized prostate cancer (PCa) undergoing radical prostatectomy (RP).
Materials and Methods: Sixty-two of 65 prospectively enrolled patients with clinically localized PCa who underwent RP between 2015 and 2016 were evaluated. Patients were classified into 2 groups according to their BMI: non-obese (<25 kg/m2) and obese (≥25 kg/m2). The adipokines evaluated were interleukin-2, insulin-like growth factor 1 (IGF-1), chemerin, C-X-C motif chemokine 10, adiponectin, leptin, and resistin. Multivariate logistic regression analysis was used to identify the independent predictors of advanced tumor stage.
Results: We found that obese patients with PCa who underwent RP had a higher incidence of tumors with a high Gleason score (≥8), pathological T3 (pT3) stage, and positive extraprostatic extension than patients with a normal BMI. Additionally, patients with obesity showed significantly lower serum adiponectin and higher serum leptin levels, but did not show differences in other adipokines. Multivariate analysis demonstrated that IGF-1 (odds ratio [OR]=1.03) was identified as a predictor of advanced tumor stage (≥pT3) in the overall population. However, only leptin remained an independent predictive factor for advanced tumor stage (≥pT3) (OR=1.15) in patients with obesity.
Conclusions: In conclusion, our results indicate that a higher leptin level in obese men can be considered a risk factor for aggressive PCa. This prospective study provides greater insight into the role of circulating adipokines in Korean patients with PCa undergoing RP, particularly in patients with obesity.
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KEYWORD
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Adipokines, Obesity, Prostatectomy, Prostatic neoplasms, Risk factors
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