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자료유형
학술저널
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저널정보
대한병리학회 Journal of Pathology and Translational Medicine Journal of Pathology and Translational Medicine 제37권 제6호
발행연도
2003.1
수록면
393 - 399 (7page)

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Background : This study was designed to investigate the prognostic significance of p21, p53, and bcl-2 proteins in invasive ductal carcinoma of the breast. Methods : Seventy-two cases of invasive ductal carcinoma were examined by immunohistochemical staining for p21, p53 and bcl-2 proteins. The results were correlated with clinicopathological variables, including age, tumor size, histologic grade, nuclear grade, lymph node status, estrogen receptor (ER) and progesterone receptor (PR) expression. Results : Of 72 cases, p21, p53 and bcl-2 proteins were positive in 25 (34.8%), 35 (50.0%) and 27 (37.5%), respectively. There were no statistically significant correlations between the p21 protein expression and the other clinicopathological variables. The expression of p53 protein, however, showed a significant relation to ER expression, and that of bcl-2 was positively correlated with tumor size. In survival analysis, p21, p53, and bcl-2 proteins, nuclear grade and lymph node status were associated with survival rate. Conclusions : These results indicate that p21, p53, and bcl-2 proteins might play a role in tumorigenesis of breast carcinoma. In addition, the increased expression of p21, p53, and bcl-2 proteins could be used as factors suggesting poor prognosis in breast carcinomas.

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