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Article

Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway

  • Authors:
    • Yanli Zhang
    • Yunhong Li
    • Yalan Li
    • Rui Li
    • Yajun Ma
    • Hao Wang
    • Yin Wang
  • View Affiliations / Copyright

    Affiliations: Department of Microbiology, College of Basic Medicine, Ningixia Medical University, Yinchuan, Ningxia 750004, P.R. China, Ningxia Key Laboratory of Cerebrocranial Diseases, Ningxia Medical University, Yinchuan, Ningxia 750004, P.R. China
  • Pages: 1366-1371
    |
    Published online on: November 3, 2014
       https://doi.org/10.3892/mmr.2014.2839
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Abstract

Stimulation of Toll‑like receptor 9 (TLR9) has been associated with invasion in various types of cancer cell in vitro. The present study aimed to evaluate the expression of TLR9 in MGC803 gastric cancer cells and investigate the effect of a non‑specific TLR9 inhibitor, chloroquine (CQ), on MGC803 cell migration via the TLR9/nuclear factor kappa B (NFκB) signaling pathway. The expression of TLR9 was investigated using reverse transcription polymerase chain reaction (RT‑PCR), flow cytometry and western blot analysis. The effects of CQ on MGC803 cell proliferation were measured by MTT colorimetric assay. The mRNA expression levels of cyclooxygenase‑2 (COX‑2), matrix metalloproteinase (MMP)‑2, MMP‑7 and NFκB p65 were evaluated by RT‑PCR in MGC803 cells stimulated by various concentrations of CQ. The migration of gastric cancer cells treated with CQ at 12, 24 and 36 h was measured by wound healing assay. The results indicated that MGC803 cells expressed TLR9 and that CQ had anti‑proliferative effects on MGC803 cells and inhibited mRNA expression of COX‑2, MMP‑2, MMP‑7 and NFκB p65 (P<0.05). Furthermore, CQ inhibited the bioactivity of NFκB p65 and prevented the migration of MGC803 cells in a dose‑dependent manner (P<0.05). In conclusion, the results indicated that the TLR9/NFκB signaling pathway was involved in gastric cancer cell migration and that CQ had anti‑tumor activity.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang Y, Li Y, Li Y, Li R, Ma Y, Wang H and Wang Y: Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway. Mol Med Rep 11: 1366-1371, 2015.
APA
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., & Wang, Y. (2015). Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway. Molecular Medicine Reports, 11, 1366-1371. https://doi.org/10.3892/mmr.2014.2839
MLA
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., Wang, Y."Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway". Molecular Medicine Reports 11.2 (2015): 1366-1371.
Chicago
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., Wang, Y."Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway". Molecular Medicine Reports 11, no. 2 (2015): 1366-1371. https://doi.org/10.3892/mmr.2014.2839
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang Y, Li Y, Li Y, Li R, Ma Y, Wang H and Wang Y: Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway. Mol Med Rep 11: 1366-1371, 2015.
APA
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., & Wang, Y. (2015). Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway. Molecular Medicine Reports, 11, 1366-1371. https://doi.org/10.3892/mmr.2014.2839
MLA
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., Wang, Y."Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway". Molecular Medicine Reports 11.2 (2015): 1366-1371.
Chicago
Zhang, Y., Li, Y., Li, Y., Li, R., Ma, Y., Wang, H., Wang, Y."Chloroquine inhibits MGC803 gastric cancer cell migration via the Toll-like receptor 9/nuclear factor kappa B signaling pathway". Molecular Medicine Reports 11, no. 2 (2015): 1366-1371. https://doi.org/10.3892/mmr.2014.2839
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