Role of Immunohistochemistry Markers (p53 and CEA), in Study of Colorectal Tumours
Sapam Chingkhei Lakpa, R. Vinoth Kumar, Mary Lilly
Journal of Pharmaceutical Research International · pp. 94–106 · Published 6 Apr 2021
10.9734/jpri/2021/v33i20B31362Abstract
Colorectal cancer is the third most common cancer in men and the second in women globally. There is a marked variation in the incidence of colorectal carcinoma worldwide, where western countries having high rate compared to others. p53 tumour suppressor gene is one of the most intensively studied tumour markers in the colorectal tumours. Two markers were used, p53 (oncoprotein p53) and CEA (carcinoembryonic antigen) in the study. The 102 cases of paraffin-embedded samples were processed for the immunohistochemistry examination. After the analysis of the selected patients regarding the antibodies distribution, statistical analysis was performed. The current study showed that there was a statistically significant correlation existing between p53 and CEA in each tumour type irrespective of its histological grades. The immunohistochemistry (IHC) was performed on 4-µm thick sections from 10% formalin- fixed paraffin-embedded tissue blocks.
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