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Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis

  • Authors:
    • Weifeng Xu
    • Bing Wu
    • Lengxi Fu
    • Junying Chen
    • Zeng Wang
    • Fei Huang
    • Jinrong Chen
    • Mei Zhang
    • Zhenhuan Zhang
    • Jingan Lin
    • Ruilong Lan
    • Ruiqing Chen
    • Wei Chen
    • Long Chen
    • Jinsheng Hong
    • Weijian Zhang
    • Yuxiong Ding
    • Paul Okunieff
    • Jianhua Lin
    • Lurong Zhang
  • View Affiliations / Copyright

    Affiliations: First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China, Department of Radiation Oncology, University of Florida, Gainesville, FL 32610, USA
    Copyright: © Xu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3219-3226
    |
    Published online on: May 2, 2017
       https://doi.org/10.3892/or.2017.5613
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Abstract

Circulating tumor cells (CTCs) represent the key step of cancer cell dissemination. The alteration of CTCs correlates with the treatment outcome and prognosis. To enrich and identify CTCs from billions of blood cells renders a very challenging task, which triggers development of several methods, including lysis of RBC plus negative or positive enrichment using antibodies, and filter membrane or spiral microfluidics to capture CTCs. To compare the advantages of different enrichment methods for CTCs, we utilized the 4T1 breast cancer cells transfected with both green fluorescent protein (GFP) and luciferase to trace CTCs in the experimental lung metastasis model. Three methods were used to detect CTCs at the same time: bioluminescence assay, smearing method, and membrane filter method. The in vivo alive mouse imaging was used to dynamically monitor the growth of lung metastases. The sensitivity and accuracy of three detection methods were compared side-by-side. Our results showed that 1) the sensitivity of bioluminescence assay was the highest, but there was no information of CTC morphology; 2) the smearing method and membrane filter method could observe the detail of CTC morphology, such as in single or in cluster, while their sensitivity was lower than bioluminescence assay; 3) A dynamic observation at a 7-day intervals, the lung metastatic cancer grew at a log speed, while CTCs were increased at a low speed. This might be due to the activated immune cells eliminating the CTCs at a speed much faster than CTCs were generated. This comparison of three CTC detection methods in mouse model suggests that bioluminescence assay could be used in quantitative study of the effect of certain agent on the suppression of CTCs, while GFP-based morphological assays could be used to study the dissemination mechanism of CTCs. The combination of both bioluminescence assay and GFP-based assay would generate more information for quantity and quality of CTCs.
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Copy and paste a formatted citation
Spandidos Publications style
Xu W, Wu B, Fu L, Chen J, Wang Z, Huang F, Chen J, Zhang M, Zhang Z, Lin J, Lin J, et al: Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis. Oncol Rep 37: 3219-3226, 2017.
APA
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F. ... Zhang, L. (2017). Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis. Oncology Reports, 37, 3219-3226. https://doi.org/10.3892/or.2017.5613
MLA
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F., Chen, J., Zhang, M., Zhang, Z., Lin, J., Lan, R., Chen, R., Chen, W., Chen, L., Hong, J., Zhang, W., Ding, Y., Okunieff, P., Lin, J., Zhang, L."Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis". Oncology Reports 37.6 (2017): 3219-3226.
Chicago
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F., Chen, J., Zhang, M., Zhang, Z., Lin, J., Lan, R., Chen, R., Chen, W., Chen, L., Hong, J., Zhang, W., Ding, Y., Okunieff, P., Lin, J., Zhang, L."Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis". Oncology Reports 37, no. 6 (2017): 3219-3226. https://doi.org/10.3892/or.2017.5613
Copy and paste a formatted citation
x
Spandidos Publications style
Xu W, Wu B, Fu L, Chen J, Wang Z, Huang F, Chen J, Zhang M, Zhang Z, Lin J, Lin J, et al: Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis. Oncol Rep 37: 3219-3226, 2017.
APA
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F. ... Zhang, L. (2017). Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis. Oncology Reports, 37, 3219-3226. https://doi.org/10.3892/or.2017.5613
MLA
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F., Chen, J., Zhang, M., Zhang, Z., Lin, J., Lan, R., Chen, R., Chen, W., Chen, L., Hong, J., Zhang, W., Ding, Y., Okunieff, P., Lin, J., Zhang, L."Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis". Oncology Reports 37.6 (2017): 3219-3226.
Chicago
Xu, W., Wu, B., Fu, L., Chen, J., Wang, Z., Huang, F., Chen, J., Zhang, M., Zhang, Z., Lin, J., Lan, R., Chen, R., Chen, W., Chen, L., Hong, J., Zhang, W., Ding, Y., Okunieff, P., Lin, J., Zhang, L."Comparison of three different methods for the detection of circulating tumor cells in mice with lung metastasis". Oncology Reports 37, no. 6 (2017): 3219-3226. https://doi.org/10.3892/or.2017.5613
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