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HOME > J Pathol Transl Med > Volume 35(5); 2001 > Article
Original Article Microvessel Density and Expressions of bcl-2, p53, and Vascular Endothelial Growth Factor in Endometrial Carcinoma.
Soon Young Kim, Hae Jin Jeong, Myeng Sun Park, Bang Hur
Journal of Pathology and Translational Medicine 2001;35(5):401-407
DOI: https://doi.org/
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Department of Pathology, Kosin University Medical Center and Eonyang Boram Hospital, Busan 602-702, Korea. hurbang@ns.kosinmed.or.kr

BACKGROUND
Recent studies have shown that oncogenes and tumor suppressor genes are involved in tumorigenesis and tumor progression. The inverse role of bcl-2 and p53 in endometrial carcinomas has been debated. Moreover, their roles in angiogenesis as well as the interrelationship between prognostic clinico-pathological factors and angiogenesis have not been elucidated in endometrial carcinomas.
METHODS
The expression rates of bcl-2, p53 and vascular endothelial growth factor (VEGF) in thirty-eight cases of surgically removed endometrial carcinomas were investigated using an avidin-biotin complex method of immunohistochemistry. CD34 immunostain for microvessel density (MVD) was also performed.
RESULTS
The expression rate of bcl-2 was higher in the endometrioid type carcinoma (43.8%) than in the non-endometriod type carcinoma (16.7%). There was a significantly increased bcl-2 expression in grade I compared to grades II and III (P<0.05). The p53 expression rate was significantly higher in the non-endometriod type carcinoma than in the endometrioid type carcinoma (P<0.05).The VEGF expression rate was higher in the non-endometriod type carcinoma (83.3%) than in the endometrioid carcinoma (28.1%). Differences of MVD according to stages, histological types, grades and bcl-2, p53 and VEGF expressions were not noted.
CONCLUSIONS
The expression rate of bcl-2 increases in the low grade endometrial carcinoma more than in the high grade one, so it may be suggested that bcl-2 expression could be used for an ancillary prognosticator. However, p53 and VEGF expressions and microvessel density may not have any prognostic value.

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