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KMID : 0380519980020020085
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Korean Journal of Veterinary Pathology
1998 Volume.2 No. 2 p.85 ~ p.94
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Immunohistochemical study on the p53 and Rb In bladder tumor
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Lee Kwang-Ju
Lee Myung-Hwan
Youn Nae-Young
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Abstract
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This study was performed to evaluate whether the loss or overexpression of Rb, and overexpression of p53 were prognostic indicators for bladder neoplasia, 52 tumor specimens from transitional cell carcinoma of the urinary bladder were from 42 male and 10 female patients whose age ranged from 30 to 83 years old(mean age; 63,5 years old), This group included 36 superficial and 16 invasive stage bladder tumors, and grades 16-25, p53 was significantly associated with tumor stage and grade(p＜0,05 in each), but not with tumor recurrence. Loss of Rb gene expression or Rb overexpression was correlated with stage, but not grade. These results suggested that changes of Rb and p53 expression might play an important role in assessing the aggressiveness of human neoplasms.
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KEYWORD
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bladder tumor, Rb, p53
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