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1.
Chinese Journal of Clinical and Experimental Pathology ; (12): 49-52, 2001.
Article in Chinese | WPRIM | ID: wpr-433811

ABSTRACT

To investigate the role of Egr-1 in the carcinogcnestic process of hepatocellular carcinoma (H-CC). Methods Expression of Egr-1 gene in HCC tissues were detected by in situ hybridization and immunohistochemistry. Human breast andmouse liver and brain tissues were used for control. ResultsLittle or no Egr-1 transcription was detected both in HCC tissues and in their normal counterparts. High transcription of Egr-1 was detected in the LCD and atrophic-like liver plate of HCC tissues. Protein expression of Egr-1 gene was consistent with mRNA transcription. High expression of Egr-1 protein was also detected in normal breast and mouse brain tissues. ConclusionsLittle or no expression of Egr-1 may play a role in the deregulation of normal growth in the carcinogenestic process of HCC. The differences of Egr-1 expression among liver cells, breast epithelia and mouse brain tissues might be associated with their different ways of proliferation and differentiation in different cell types.

2.
Chinese Journal of General Surgery ; (12)1994.
Article in Chinese | WPRIM | ID: wpr-519064

ABSTRACT

ObjectiveTo evaluate the expression of RANKL′s protein for the diagnosis and assessment of tumor metastatic potential and prognosis in patients with gastric carcinoma.MethodsThe expression of RANKL was detected in 45 cases of gastric carcinoma, 26 cases of paracancerous mucosa and 10 cases of healthy control by using ABC immunohistochemical method. Data were tested by ? 2 test for statistical significance.ResultsPositive expression of RANKL protein was detected in 21 out of 45(46 7%) cases. The expression of RANKL significantly increased in tumors ≥5?cm in diameter, with serosa infiltrated, positive lymph node, and in tumors of stage Ⅱ,Ⅲ,Ⅳ( P

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