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MOHAMMAD REZA KHORRAMIZADEH NASTARAN AALIZADEH MOHAMMAD PEZESHKI AZIZ GHAHARY HOJAT ZERAATI AZAR BERAHMEH OMID SAFA FARSHID SAADAT 《International journal of urology》2005,12(7):637-643
BACKGROUND: Prostate cancer is the most common malignancy affecting men and is a major cause of cancer death. There are increasing data on novel tumor markers, such as gelatinase A, which play a key role in tissue invasion and metastasis. OBJECTIVES: We designed a study to evaluate total gelatinase A content using a simple and applicable Indirect hemagglutination (IHA) test in harmony with gelatinase A activity in serum samples as compared with prostate-specifc antigen (PSA) parameters. METHODS: In this study, we analysed the circulating form of gelatinase A (MMP-2) in patients suffering from either benign prostate hyperplasia (n=54) or prostate cancer (n=26) versus normal individuals as control (n=26). The gelatinolytic activity was determined by zymography and total MMP-2 content was measured by a novel IHA method. Total PSA and free PSA were quantified using a standard ELISA technique. RESULTS: Correlation of densitometric analysis of gelatinase A activity and IHA titer is significant at the 0.01 level (P<0.01, rho=0.916). Correlation of PSA and IHA titer is significant at the 0.01 level (P<0.01, rho=0.746). Correlation of free PSA and IHA titer is significant at the 0.01 level (P<0.01, rho=0.749). Borderline of IHA titer in patients with prostate cancer was 512+/-1 tube titer, in benign prostate hyperplasia patients was 128+/-1 tube titer and the titer in normal individuals was 8+/-1 tube titer. CONCLUSIONS: These results demonstrate that assessment of gelatinase A might be a promising procedure for monitoring and screening patients with prostate cancer. 相似文献
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