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Article

Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells

  • Authors:
    • Zhe Guo
    • Jing‑Hang Jiang
    • Jun Zhang
    • Hao‑Jie Yang
    • Yan‑Ping Zhong
    • Jie Su
    • Ri‑Rong Yang
    • Le‑Qun Li
    • Bang‑De Xiang
  • View Affiliations / Copyright

    Affiliations: Department of Hepatobiliary Surgery, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China, Department of General Surgery, The Second People's Hospital of Jingmen, Jingmen, Hubei 448000, P.R. China, Department of Ultrasound, Wuhan No. 1 Hospital, Wuhan, Hubei 430000, P.R. China, Medical Science Experimental Center, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China, Department of Immunology, School of Preclinical Medicine, Biological Targeting Diagnosis and Therapy, Research Center, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
  • Pages: 3145-3151
    |
    Published online on: March 17, 2016
       https://doi.org/10.3892/ol.2016.4343
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Abstract

Substantial evidence implicates that low‑abundance cancer stem cells (CSCs) are responsible for tumor metastasis and recurrence in hepatocellular carcinoma (HCC). Side population (SP) cells possess typical CSCs-like features, and are frequently considered as a special subpopulation in which CSCs are enriched and in studies may be considered as a substitute for CSCs. The aim of the present study was to examine the abundance of SP cells in human HCC cell lines with different metastatic potentials and compare their CSC‑like, tumorigenic and invasive properties with those of the main population (MP) cells. An experimental system is described for identifying SP cells and analyzing their CSC‑like properties. The relative abundance of SP cells correlated directly with the metastatic potential of the HCC cell line: HCCLM3, 16.3±2.2%; MHCC97‑H, 8.4±0.7%; MHCC97‑L, 4.7±0.5%; and Huh7, 1.0±0.3% (P<0.05). SP cells isolated from HCCLM3 cultures showed significantly higher proliferation rates and clonogenicity than the corresponding MP cells, in addition to higher migration and invasive abilities in vitro and greater tumorigenicity in mice. Expression levels of all CSC‑associated genes tested, except EpCAM and Oct4, were significantly higher in SP cells. The findings revealed that the proportion of SP cells correlates with metastatic potential, and SP cells demonstrated the characteristics expected of CSCs, implicating them in HCC metastasis. Further studies on the identification and characterization of SP cells using clinical HCC specimens will contribute to the understanding of how SP cells are involved in these disease processes.
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Copy and paste a formatted citation
Spandidos Publications style
Guo Z, Jiang JH, Zhang J, Yang HJ, Zhong YP, Su J, Yang RR, Li LQ and Xiang BD: Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells. Oncol Lett 11: 3145-3151, 2016.
APA
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J. ... Xiang, B. (2016). Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells. Oncology Letters, 11, 3145-3151. https://doi.org/10.3892/ol.2016.4343
MLA
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J., Yang, R., Li, L., Xiang, B."Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells". Oncology Letters 11.5 (2016): 3145-3151.
Chicago
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J., Yang, R., Li, L., Xiang, B."Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells". Oncology Letters 11, no. 5 (2016): 3145-3151. https://doi.org/10.3892/ol.2016.4343
Copy and paste a formatted citation
x
Spandidos Publications style
Guo Z, Jiang JH, Zhang J, Yang HJ, Zhong YP, Su J, Yang RR, Li LQ and Xiang BD: Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells. Oncol Lett 11: 3145-3151, 2016.
APA
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J. ... Xiang, B. (2016). Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells. Oncology Letters, 11, 3145-3151. https://doi.org/10.3892/ol.2016.4343
MLA
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J., Yang, R., Li, L., Xiang, B."Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells". Oncology Letters 11.5 (2016): 3145-3151.
Chicago
Guo, Z., Jiang, J., Zhang, J., Yang, H., Zhong, Y., Su, J., Yang, R., Li, L., Xiang, B."Side population in hepatocellular carcinoma HCCLM3 cells is enriched with stem-like cancer cells". Oncology Letters 11, no. 5 (2016): 3145-3151. https://doi.org/10.3892/ol.2016.4343
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