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Article

Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells

Corrigendum in: /10.3892/mmr.2021.12332
  • Authors:
    • Xiao‑Qian Zhang
    • Xiu‑E Sun
    • Wen‑Dong Liu
    • Yu‑Guang Feng
    • Hong‑Mei Zhang
    • Li‑Hong Shi
    • Xiu‑Ning Sun
    • Yan‑Qing Li
    • Zhi‑Xing Gao
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China, Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China, Blood Bank, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China, Department of Pharmacology, Weifang Medical University, Weifang, Shandong 261053, P.R. China, Department of Parasitology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
  • Pages: 1160-1166
    |
    Published online on: October 27, 2014
       https://doi.org/10.3892/mmr.2014.2783
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Abstract

5‑fluorouracil (5‑FU) is commonly used in the treatment of gastric cancer; however, resistance to this drug occurs under hypoxic conditions. Celecoxib may be used to reverse this resistance. The aim of the present study was to elucidate the inhibitory effects and mechanisms of 5‑FU and celecoxib on the gastric cancer cell line SGC7901 under hypoxic conditions. SGC7901 cells were divided into four groups: Hypoxic control group, 5‑FU group, celecoxib group and 5‑FU/celecoxib combination group. Following treatment, the inhibition rates of cells were determined using an MTT assay. Protein and messenger RNA (mRNA) expression of hypoxia‑inducible factor 2α (HIF‑2α), adenosine triphosphate‑binding cassette sub‑family G member 2 (ABCG2) and octamer binding protein 4 (Oct‑4) were determined using immunohistochemistry, reverse transcription quantitative polymerase chain reaction (RT‑qPCR) and western blot analysis. The results demonstrated that the 5‑FU/celecoxib combination group had a significantly higher inhibition rate than the individually treated 5‑FU and celecoxib groups (P<0.05); inhibition rates were 66.09, 52.61 and 46.1%, respectively. mRNA and protein expression levels of HIF‑2α, ABCG2 and Oct‑4 were significantly lower in the celecoxib and 5‑FU/celecoxib combination groups (P<0.01) compared with those of the hypoxia control and 5‑FU groups. The 5‑FU group demonstrated the highest levels of the respective mRNA and proteins. In conclusion, the results of the present study indicated that celecoxib had anti‑tumor effects, as it was shown to inhibit tumor cell growth via the inhibition of HIF‑2α, ABCG2 and Oct‑4. The 5‑FU/celecoxib combination had a synergic effect on tumor growth inhibition. This therefore suggested that inhibition of HIF‑2α, ABCG2 and Oct‑4 may be a potential method of reducing chemotherapy resistance and enhancing the effectiveness of chemotherapy treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang XQ, Sun XE, Liu WD, Feng YG, Zhang HM, Shi LH, Sun XN, Li YQ and Gao ZX: Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332. Mol Med Rep 11: 1160-1166, 2015.
APA
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L. ... Gao, Z. (2015). Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332. Molecular Medicine Reports, 11, 1160-1166. https://doi.org/10.3892/mmr.2014.2783
MLA
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L., Sun, X., Li, Y., Gao, Z."Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332". Molecular Medicine Reports 11.2 (2015): 1160-1166.
Chicago
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L., Sun, X., Li, Y., Gao, Z."Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332". Molecular Medicine Reports 11, no. 2 (2015): 1160-1166. https://doi.org/10.3892/mmr.2014.2783
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang XQ, Sun XE, Liu WD, Feng YG, Zhang HM, Shi LH, Sun XN, Li YQ and Gao ZX: Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332. Mol Med Rep 11: 1160-1166, 2015.
APA
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L. ... Gao, Z. (2015). Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332. Molecular Medicine Reports, 11, 1160-1166. https://doi.org/10.3892/mmr.2014.2783
MLA
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L., Sun, X., Li, Y., Gao, Z."Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332". Molecular Medicine Reports 11.2 (2015): 1160-1166.
Chicago
Zhang, X., Sun, X., Liu, W., Feng, Y., Zhang, H., Shi, L., Sun, X., Li, Y., Gao, Z."Synergic effect between 5‑fluorouracil and celecoxib on hypoxic gastric cancer cells Corrigendum in /10.3892/mmr.2021.12332". Molecular Medicine Reports 11, no. 2 (2015): 1160-1166. https://doi.org/10.3892/mmr.2014.2783
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