We examined the expression of platelet-derived endothelial cell growth factor (PD-ECGF) mRNAs in 47 invasive cervical cancer tissues by semi-quantitative RT-PCR and addressed its association with clinicopathological features including microvessel density. Squamous cell carcinomas expressed higher levels of PD-ECGF mRNA than non-squamous cell carcinomas (P=0.014). We found no association between FIGO stage and levels of PD-ECGF mRNA. A subset of 31 patients with stage Ib-II cervical cancer underwent radical hysterectomy and pelvic lymphadenectomy. There were no significant differences in PD-ECGF mRNA levels with respect to tumor size, degree of stromal invasion, lymphvascular space involvement, parametrial involvement, vaginal involvement or lymph node metastasis among these patients. There was no correlation between microvessel density and the levels of PD-ECGF mRNA. These findings suggest that PD-ECGF expression is not associated with progression and metastasis of cervical cancer.

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