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KMID : 0848020010040020144
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Journal of Korean Breast Cancer Society
2001 Volume.4 No. 2 p.144 ~ p.151
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Expression of p53, c-erbB2, bcl-2, Cathepsin D in Infiltrating Ductal Cancer of the Breast
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강희준/Hee Joon Kang
김성원/윤여규/오승근/최국진/노동영/Sung Won Kim/Yeo Kyu Yun/Seung Keun Oh/Kuk Jin Choe/Dong Young Noh
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Abstract
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Purpose: Most treatment decisions for breast cancer patients are based on an assesment of prognostic factors. Tumor markersB (p53, c-erbB2, bcl-2, Cathepsin D) have been evaluated for their prognostic factors and many studies suggest that
these
factors as assessed by immunohistochemistry (IHC) may be helpful for treatment decisions, while the risk group for high relapse can not be discriminated by single tumor marker alone. In order to obtain useful prognostic information, several tumor
marker
expressions must be combined and weighted.
Methods: The expressions of ER, PR, p53, c-erbB2, bcl-2, Cathepsin D were detected by IHC on paraffin-embedded sections from 449 primary breast cancer patients treated at Seoul National University Hospital between January 1996 and December
1998.
In the present study, tumor marker expressions were analyzed along with conventional clinicopathologic factors. Additionally, correlations between various tumor marker expressions were examined and combinations of tumor marker expressions
relating
pathologic parameters currently in use for primary breast cancer prognosis were investigated.
Results: ER, PR, bcl-2, Cathepsin D expressions were related to smaller tumor size and PR was related to less axillary nodal involvement. ER, PR, bcl-2 expressions were related to good NG and HG, while p53 expression was relatedto poor NG
and HG.
ER and PR expression were related to bcl-2 expression, c-erbB2 expression was related to p53 expression and c-erbB2 expression was related to Cathepsin D expression. ER-/bcl-2- was more prevalent in NG 1 and HG Ⅲ tumors. ER+/p53- and p53-/bcl-2+
were
more prevalent in NG 2/3 and HG Ⅰ/Ⅱ tumors. p53+/c-erbB2+ was more prevalent in NG 1 tumors.
Conclusion: Combinations of tumor marker expressions ER/bcl-2, ER/p53, p53/c-erbB2, p53/bcl2 provides more detailed information concerning cancer aggressiveness.
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KEYWORD
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