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  • ISSN 1674-8301
  • CN 32-1810/R
Zhenyu He, Chuanbing Shi, Hao Wen, Fanglong Li, Baolin Wang, Jie Wang. The potential of carcinoembryonic antigen, p53, Ki-67 and glutathion Stransferase-π as clinico-histopathological markers for colorectal cancer[J]. The Journal of Biomedical Research, 2010, 24(1): 51-57.
Citation: Zhenyu He, Chuanbing Shi, Hao Wen, Fanglong Li, Baolin Wang, Jie Wang. The potential of carcinoembryonic antigen, p53, Ki-67 and glutathion Stransferase-π as clinico-histopathological markers for colorectal cancer[J]. The Journal of Biomedical Research, 2010, 24(1): 51-57.

The potential of carcinoembryonic antigen, p53, Ki-67 and glutathion Stransferase-π as clinico-histopathological markers for colorectal cancer

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This work was supported by the Natural Sciences Basic Research Project, Education (08KJD310005) Department of Jiangsu Province, and the 5th "Six Talent-Person-Peak-Program", Jiangsu Province, China. The progress main program fund of Nanjing Medical Univer

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  • Objective: Colorectal cancer is one of the major contributors to cancer death worldwide. Lack of reliable colorectal cancer markers has hampered the management of these cancer patients. Our main purpose was to study the correlation between histopathological variables of colorectal adenocarcinomas and identify histopathological markers that are of prognostic value in patients with colorectal cancer. Methods: In the present study, we examined the expression of carcinoembryonic antigen (CEA), p53, Ki-67 and glutathion Stransferase (GST) -π by using immunohistochemical staining methods in 126 colorectal carcinoma patients and evaluated the lymph node metastasis status in these patients by histopathological examination. Results: The positive rates of CEA, p53, Ki-67 and GST-π expression in the colorectal cancer tissue specimens examined were 95.23%, 55.56%, 53.38% and 82.30%, respectively. Expression of p53 and Ki-67 was significantly correlated with the Dukes stages of the tumor, with higher levels of these proteins in Dukes’C and D tumors than those in Dukes’ A and B tumors. Furthermore, the expression of p53, GST-π and Ki-67 correlated with prognosis of patients with colorectal cancer. Additionally, the expression of p53 in colorectal cancer was closely related to the expression of Ki-67 and the expression of GST-π was directly correlated with that of p53. Conclusion: The expression of CEA, p53, Ki-67 and GST-π was correlated with various clinical features of patients with colorectal cancer. The combined use of these histopathological markers appeared to be a promising tool in predicting the prognosis of patients with this type of cancer.
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