Relationship between the expression of EGF, EGFR and PCNA with clinicopathological characteristics in human colorectal carcinoma / 中国普通外科杂志

Objective To evaluate the relationship between the expression of EGF, EGFR and PCNA with the clinicopathological characteristics in human colorectal carcinoma. Methods Immunohistochemistry was used to examine the expression of EGF, EGFR and PCNA in 50 specimens of colorectal carcinoma and 10 specimens of normal colorectal tissue. Results In cancer specimens,the expression of EGF and EGFR were 76.07% and 84.15% respectively, but in normal colorectal tissue were no expression of EGF and EGFR (P