Evaluation of p53, Ki-67 and DNA ploidy in both primary rectal carcinomas and locally recurrent tumors.

Sato,T; Nishimura,G; Fushida,S; Fujimura,T; Yonemura,Y; Nonomura,A; Miwa,K; Miyazaki,I

doi:10.3892/or.5.5.1225

Sep-Oct 1998 Volume 5 Issue 5

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Sep-Oct 1998 Volume 5 Issue 5

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Article

Evaluation of p53, Ki-67 and DNA ploidy in both primary rectal carcinomas and locally recurrent tumors.

Authors:
- T Sato
- G Nishimura
- S Fushida
- T Fujimura
- Y Yonemura
- A Nonomura
- K Miwa
- I Miyazaki
View Affiliations / Copyright

Affiliations: Department of Second Surgery, School of Medicine Kanazawa University, Kanazawa 920-8640, Ishikawa, Japan.
Pages: 1225-1234
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Published online on: September 1, 1998

https://doi.org/10.3892/or.5.5.1225
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Abstract

The object of this study was to evaluate cellular markers which included tumor cell p53 expression, cell proliferation antigens and DNA ploidy in both primary and locally recurrent rectal cancer. The study included 16 locally recurrent rectal cancer and 24 non-recurrent primary rectal cancer. Levels of p53 and Ki-67 expression were quantified and the DNA ploidy analyzed. In the locally recurrent group, labelling index of p53 was significantly higher in the short disease-free interval (DFI) (<2 years) group than the long DFI (> or = 2 years) group (p<0.05). It was immunohistochemically proved that DNA aneuploidy was reflected by accumulation of mutated p53 in both primary rectal cancer and locally recurrent tumors. The early local recurrence after curative operation for rectal cancer was associated with the number of p53 positive cells.

Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Evaluation of p53, Ki-67 and DNA ploidy in both primary rectal carcinomas and locally recurrent tumors.

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Abstract

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