A novel therapeutic anti‑CD55 monoclonal antibody inhibits the proliferation and metastasis of colorectal cancer cells

  • Authors:
    • So Hee Dho
    • Eun Ha Cho
    • Ji Yeon Lee
    • So‑Young Lee
    • Sung Hee Jung
    • Lark Kyun Kim
    • Jae Cheong Lim
  • View Affiliations

  • Published online on: September 26, 2019     https://doi.org/10.3892/or.2019.7337
  • Pages: 2686-2693
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Abstract

In recent years, efforts to treat cancer by improving the immune function of patients have received a great deal of attention. As part of the immune system, complement is also under such evaluation. Among the many components of the complement system, complement decay accelerating factor (CD55 or DAF) is known to inhibit complement‑mediated cell lysis. However, little is known about the role of CD55 in terms of cancer therapy. The present study aimed to demonstrate that increased levels of CD55 are strongly correlated with the progression of colorectal cancer. A novel CD55 chimeric monoclonal antibody was developed that may boost the immune response, thereby suppressing cancer. The CD55 antibody treatment activated complement and therefore suppressed the proliferation, invasion and migration of colorectal cancer cells. This tumoricidal activity is partly explained by the inflammatory response via the activation of proinflammatory cytokines. In addition, the CD55 antibody treatment synergistically enhanced the tumoricidal activity of 5‑FU in colorectal cancer cells, suggesting that combined treatment may be a better strategy in colorectal cancer therapy.
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December-2019
Volume 42 Issue 6

Print ISSN: 1021-335X
Online ISSN:1791-2431

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Spandidos Publications style
Dho SH, Cho EH, Lee JY, Lee SY, Jung SH, Kim LK and Lim JC: A novel therapeutic anti‑CD55 monoclonal antibody inhibits the proliferation and metastasis of colorectal cancer cells. Oncol Rep 42: 2686-2693, 2019
APA
Dho, S.H., Cho, E.H., Lee, J.Y., Lee, S., Jung, S.H., Kim, L.K., & Lim, J.C. (2019). A novel therapeutic anti‑CD55 monoclonal antibody inhibits the proliferation and metastasis of colorectal cancer cells. Oncology Reports, 42, 2686-2693. https://doi.org/10.3892/or.2019.7337
MLA
Dho, S. H., Cho, E. H., Lee, J. Y., Lee, S., Jung, S. H., Kim, L. K., Lim, J. C."A novel therapeutic anti‑CD55 monoclonal antibody inhibits the proliferation and metastasis of colorectal cancer cells". Oncology Reports 42.6 (2019): 2686-2693.
Chicago
Dho, S. H., Cho, E. H., Lee, J. Y., Lee, S., Jung, S. H., Kim, L. K., Lim, J. C."A novel therapeutic anti‑CD55 monoclonal antibody inhibits the proliferation and metastasis of colorectal cancer cells". Oncology Reports 42, no. 6 (2019): 2686-2693. https://doi.org/10.3892/or.2019.7337