Cd133/Epcam Cancer Stem Cell Markers of Tumour Stage in Colorectal Cancer Cells

  • CB Penny B
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Abstract

In solid tumours, a discreet population of tumour associated cancer stem cells (CSCs) are proposed to drive and sustain tumour development and be responsible for tumour relapse. Colorectal cancer stem cells express cellspecific surface markers, including amongst others, CD133, EpCAM, CD44, CD166, and CD94f. In the present study, we aimed to characterisecellpopulations in the human colon adenocarcinoma cell lines, SW1116, HT29 and DLD1, expressing both CSC markers CD133 and EpCAM. These cell lines represent early, mid and late stages of colorectal tumours, respectively. Up to 107 SW1116, HT29 and DLD1 cells, co-stained with anti-CD133 and anti-EpCAM, were evaluated using flow cytometry. We report here progressive increasing proportions of cells coexpressing the CD133/EpCAM epitopes in the respective cell lines. In the SW1116 cell line, 2.42 ± 0.20 percent of cells were CD133+EpCAM+, in the HT29 cell line, 5.13 ± 0.17 percent of cells were CD133+EpCAM+, and in the DLD1 cell line, 10.30 ± 0.2 percent of cells were CD133+EpCAM+. These data suggest the frequency of CD133/ EpCAM marker expression may be associated with tumour stage and aggression.

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CB Penny, B. M. (2015). Cd133/Epcam Cancer Stem Cell Markers of Tumour Stage in Colorectal Cancer Cells. Journal of Tissue Science & Engineering, 06(01). https://doi.org/10.4172/2157-7552.1000143

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