Abstract
Objective To find out the relationship among the expression of vascular growth factors in patients with interstitial cystitis (IC) and their performance under the cystoscopy as well as the clinical symptoms by detecting the expression of platelet-derived endothelial growth factor/thymine phosphatase (PDECGF/TP) and vascular endothelial growth factor (VEGF). Methods Twelve cases of IC served as the experimental group and 12 cases of type Ⅲ as the control group. The patients in experimental group had bladder mucosa biopsy. The number of mast cells was observed by HE staining. The expression of PDECGF/TP and VEGF and immunohistological score (IHS) were detected by using immunohistochemistry. Results Bladder mucosa hemorrhage points and sheets were observed under water expansion. The number of mast cells existing in the submucosa of the bladder tissue was significantly greater than in control group (P ＜ 0. 05 ). The percentage of PDECGF/TP and VEGF positive cells and IHS in experimental group were significantly higher than in control group (P ＜ 0. 05). Conclusion The expression of PDECGF/TP and VEGF was up-regulated in patients with IC. IC can be screened out or diagnosed by detecting PDECGF/TP and VEGF. Key words: Interstitial cystitis; VEGF
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