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Print ISSN: 1792-0981 Online ISSN: 1792-1015
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CXCR7 functions in colon cancer cell survival and migration

  • Authors:
    • Hongxian Wang
    • Linyu Tao
    • Ke Qi
    • Haoyun Zhang
    • Duo Feng
    • Wenjun Wei
    • Heng Kong
    • Tianwen Chen
    • Qiusheng Lin
    • Daojin Chen
  • View Affiliations / Copyright

    Affiliations: Department of Surgery, Affiliated Nanshan Hospital, Guangdong Medical College, Shenzhen, Guangdong 518052, P.R. China, Department of Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410083, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1720-1724
    |
    Published online on: September 15, 2015
       https://doi.org/10.3892/etm.2015.2748
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Abstract

C‑X‑C chemokine receptor 7 (CXCR7) is a known promoter of tumor progression and metastasis; however, little is known about its role in colon cancer. The aim of the present study was to investigate the function of CXCR7 in human colon cancer cells. CXCR7 mRNA levels were examined in HT‑29 and SW‑480 human colon cancer cell lines using a quantitative polymerase chain reaction. CXCR7‑knockdown was performed with small interfering RNA and lentiviral‑mediated gene delivery. Immunofluorescence (IF) was conducted to examine CXCR7 expression and localization in colon cancer cells. Cell survival and migration were evaluated using MTT and migration assays, respectively. HT‑29 cells expressed higher levels of CXCR7 mRNA and were therefore used in subsequent experiments. IF staining revealed that the CXCR7 protein was expressed on the cell membrane, and its expression decreased following CXCR7‑short hairpin RNA lentiviral transfection. Lentiviral CXCR7‑knockdown resulted in decreased cell survival and migration; however, MTT assays revealed that the lentiviral vector itself was cytotoxic. This cytotoxicity was indicated as the cell survival of the negative control group cells was significantly decreased compared with that of the blank control group cells (P<0.05). In conclusion, it is becoming increasingly evident that CXCR7 plays a role in colon cancer promotion, suggesting that CXCR7 is a promising biomarker for chemokine receptor‑based drug development. Furthermore, the fact that CXCR7 is expressed on the membrane and not intracellularly makes it a prime target for drug‑based intervention.
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Copy and paste a formatted citation
Spandidos Publications style
Wang H, Tao L, Qi K, Zhang H, Feng D, Wei W, Kong H, Chen T, Lin Q, Chen D, Chen D, et al: CXCR7 functions in colon cancer cell survival and migration. Exp Ther Med 10: 1720-1724, 2015.
APA
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W. ... Chen, D. (2015). CXCR7 functions in colon cancer cell survival and migration. Experimental and Therapeutic Medicine, 10, 1720-1724. https://doi.org/10.3892/etm.2015.2748
MLA
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W., Kong, H., Chen, T., Lin, Q., Chen, D."CXCR7 functions in colon cancer cell survival and migration". Experimental and Therapeutic Medicine 10.5 (2015): 1720-1724.
Chicago
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W., Kong, H., Chen, T., Lin, Q., Chen, D."CXCR7 functions in colon cancer cell survival and migration". Experimental and Therapeutic Medicine 10, no. 5 (2015): 1720-1724. https://doi.org/10.3892/etm.2015.2748
Copy and paste a formatted citation
x
Spandidos Publications style
Wang H, Tao L, Qi K, Zhang H, Feng D, Wei W, Kong H, Chen T, Lin Q, Chen D, Chen D, et al: CXCR7 functions in colon cancer cell survival and migration. Exp Ther Med 10: 1720-1724, 2015.
APA
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W. ... Chen, D. (2015). CXCR7 functions in colon cancer cell survival and migration. Experimental and Therapeutic Medicine, 10, 1720-1724. https://doi.org/10.3892/etm.2015.2748
MLA
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W., Kong, H., Chen, T., Lin, Q., Chen, D."CXCR7 functions in colon cancer cell survival and migration". Experimental and Therapeutic Medicine 10.5 (2015): 1720-1724.
Chicago
Wang, H., Tao, L., Qi, K., Zhang, H., Feng, D., Wei, W., Kong, H., Chen, T., Lin, Q., Chen, D."CXCR7 functions in colon cancer cell survival and migration". Experimental and Therapeutic Medicine 10, no. 5 (2015): 1720-1724. https://doi.org/10.3892/etm.2015.2748
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