Aim: To explore the expressions of acetyl-heparanase mRNA, laminin ( LN) and laminin receptor ( LR) in 50 ovarian carcinoma, 33 ovarian carcinoma with lymph node metastasis, and 10 serous ovarian cystadenoma as well as their role in the metastasis of ovarian cancer.
Methods: The transcription level of acetyl-heparanase mRNA, expressions of LN and LR were detected by in situ hibridization and immunohistochemical staining, respectively.
Results: The transcription level of acetyl-heparanase mRNA in ovarian carcinoma tissue and metastatic lymph nodes increased significantly, but its expression in primary focus was notably higher than that in metastatic lymph nodes (P < 0. 05 ). There was low expression of acetyl-heparanase mRNA in serous ovarian cystadenoma. The expression of acetyl-heparanase mRNA in malignant and benign tumor tissues had markedly difference (P < 0. 01 ). Expressions LN in both tissues mentioned above decreased while LR expression was high. The expression of acetyl-heparanase mRNA was negative correlation with that of LN, while positive with that of LR.
Conclusion: The correlation among expressions of acetyl-heparanase mRNA, LN and LR suggests that heparanase is involved in the growth, invasion and metastasis of ovarian carcinoma.
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Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi
September 2003
Department of Obstetrics and Gynecology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
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