Open Access

Inhibition of colorectal cancer liver metastasis in BALB/c mice following intratumoral injection of oncolytic herpes simplex virus type 2 for the induction of specific antitumor immunity

  • Authors:
    • Wen Zhang
    • Feifei Wang
    • Xiao Hu
    • Jing Liang
    • Binlei Liu
    • Qi Guan
    • Shangmei Liu
  • View Affiliations

  • Published online on: November 16, 2018     https://doi.org/10.3892/ol.2018.9720
  • Pages: 815-822
  • Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Liver metastasis represents the most prominent metastasis of colorectal cancer (CRC) and is the leading cause of CRC mortality, making the early prevention of this event very important. While current CRC therapies include surgery, radiotherapy and chemotherapy, no effective treatment option for CRC liver metastasis (CRLM) exists. Furthermore, the effects of currently available metastatic CRC drugs are frequently limited by their toxicity and side effects. Oncolytic herpes simplex virus type 2 (oHSV2) selectively infects tumor cells and also induces an antitumor immune response. The present study investigated the cytopathic effects of oHSV2 on CT‑26 cells in vitro and tested its inhibitory effect on CRLM. In vitro experimental data demonstrated that oHSV2 effectively inhibited the growth of CT‑26 cells. In vivo study data demonstrated that treatment with oHSV2 alone slowed the growth of subcutaneous xenograft tumors without inducing weight loss and also inhibited CRLM by increasing the numbers of cluster of differentiation (CD)4+ T, CD8+ T and natural killer cells. In summary, oHSV2 shows potential as a safe and effective therapeutic agent for inhibiting the metastasis of CT‑26 CRC cells to the liver.
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January-2019
Volume 17 Issue 1

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Zhang W, Wang F, Hu X, Liang J, Liu B, Guan Q and Liu S: Inhibition of colorectal cancer liver metastasis in BALB/c mice following intratumoral injection of oncolytic herpes simplex virus type 2 for the induction of specific antitumor immunity. Oncol Lett 17: 815-822, 2019.
APA
Zhang, W., Wang, F., Hu, X., Liang, J., Liu, B., Guan, Q., & Liu, S. (2019). Inhibition of colorectal cancer liver metastasis in BALB/c mice following intratumoral injection of oncolytic herpes simplex virus type 2 for the induction of specific antitumor immunity. Oncology Letters, 17, 815-822. https://doi.org/10.3892/ol.2018.9720
MLA
Zhang, W., Wang, F., Hu, X., Liang, J., Liu, B., Guan, Q., Liu, S."Inhibition of colorectal cancer liver metastasis in BALB/c mice following intratumoral injection of oncolytic herpes simplex virus type 2 for the induction of specific antitumor immunity". Oncology Letters 17.1 (2019): 815-822.
Chicago
Zhang, W., Wang, F., Hu, X., Liang, J., Liu, B., Guan, Q., Liu, S."Inhibition of colorectal cancer liver metastasis in BALB/c mice following intratumoral injection of oncolytic herpes simplex virus type 2 for the induction of specific antitumor immunity". Oncology Letters 17, no. 1 (2019): 815-822. https://doi.org/10.3892/ol.2018.9720