Relationship between interleukin-8 levels in expressed prostatic secretion and expressions of bFGF and Bcl-2 in benign prostatic hyperplasia

Zhonghua yi xue za zhi
W SongX Wang

Abstract

To investigate the relationship between interleukin-8 levels in expressed prostatic secretion and expressions of basic fibroblast growth factor (bFGF) and Bcl-2 in benign prostatic hyperplasia (BPH). A series of 50 consecutive patients diagnosed with BPH and scheduled for transurethral resection of the prostate (TURP) were included. Patients were divided into two groups, simple BPH and BPH with chronic prostatitis (CP). The grade of inflammatory changes in the prostate was then determined blindly by two experienced pathologists, according to the classification system. Expressed prostatic secretion (EPS) was collected right before TURP for IL-8 detection using ELISA kits. The resected prostatic tissue was harvested for immunohistochemistry to measure the expression of Bcl-2 and bFGF. A total of 30 (60%) patients were confirmed to have prostatic histologic inflammation. The volume of the prostate in BPH with CP was obviously larger than that in simple BPH (P=0.022). The NIH chronic prostatitis symptom index (NIH-CPSI) and international prostate symptom score (IPSS) of BPH with CP were both higher than those of simple BPH (P<0.05). Significantly increased levels of IL-8 were observed in EPS obtained from BPH patients with CP (mean...Continue Reading

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