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Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells

  • Authors:
    • Lili Sheng
    • Tuo Tang
    • Yinhua Liu
    • Yunfei Ma
    • Ziqian Wang
    • Hong Tao
    • Yao Zhang
    • Zhilin Qi
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, Yijishan Hospital, Wannan Medical College, Wuhu, Anhui 241002, P.R. China, Anhui Province Key Laboratory of Active Biological Macromolecules, Wannan Medical College, Wuhu, Anhui 241002, P.R. China, Department of Pathology, Yijishan Hospital, Wannan Medical College, Wuhu, Anhui 241002, P.R. China
    Copyright: © Sheng et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2089-2097
    |
    Published online on: July 19, 2018
       https://doi.org/10.3892/ijmm.2018.3789
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Abstract

Inducible heat shock protein 70 (HSP70; also known as HSPA1 or HSP72) is implicated in cancer. As a stress‑inducible heat shock protein, HSP70 is highly expressed in a variety of cancers and correlates with metastasis, chemotherapy resistance and tumor prognosis. The present study demonstrated that suppression of HSP70 through the specific inhibitor pifithrin‑µ or by HSP70 knockdown enhanced cisplatin‑induced apoptosis in HGC‑27 gastric cancer cells. By contrast, upregulation of HSP70 through transfection of a HSP70 overexpressing plasmid decreased cisplatin‑induced HGC‑27 cell apoptosis. In exploring the underlying molecular mechanisms, the present results revealed that HSP70 antagonized cisplatin‑induced HGC‑27 cell apoptosis by regulating the mitogen‑activated protein kinase (MAPK) signaling pathway. In addition, suppressing the MAPK pathway enhanced cisplatin‑induced HGC‑27 cell apoptosis. Collectively, the present findings suggest that inhibition of HSP70 expression enhanced the sensitivity of HGC‑27 cells to cisplatin via the MAPK signaling pathway, and that HSP70 may serve as a potential therapeutic target in gastric cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Sheng L, Tang T, Liu Y, Ma Y, Wang Z, Tao H, Zhang Y and Qi Z: Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells. Int J Mol Med 42: 2089-2097, 2018.
APA
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H. ... Qi, Z. (2018). Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells. International Journal of Molecular Medicine, 42, 2089-2097. https://doi.org/10.3892/ijmm.2018.3789
MLA
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H., Zhang, Y., Qi, Z."Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells". International Journal of Molecular Medicine 42.4 (2018): 2089-2097.
Chicago
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H., Zhang, Y., Qi, Z."Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells". International Journal of Molecular Medicine 42, no. 4 (2018): 2089-2097. https://doi.org/10.3892/ijmm.2018.3789
Copy and paste a formatted citation
x
Spandidos Publications style
Sheng L, Tang T, Liu Y, Ma Y, Wang Z, Tao H, Zhang Y and Qi Z: Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells. Int J Mol Med 42: 2089-2097, 2018.
APA
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H. ... Qi, Z. (2018). Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells. International Journal of Molecular Medicine, 42, 2089-2097. https://doi.org/10.3892/ijmm.2018.3789
MLA
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H., Zhang, Y., Qi, Z."Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells". International Journal of Molecular Medicine 42.4 (2018): 2089-2097.
Chicago
Sheng, L., Tang, T., Liu, Y., Ma, Y., Wang, Z., Tao, H., Zhang, Y., Qi, Z."Inducible HSP70 antagonizes cisplatin‑induced cell apoptosis through inhibition of the MAPK signaling pathway in HGC‑27 cells". International Journal of Molecular Medicine 42, no. 4 (2018): 2089-2097. https://doi.org/10.3892/ijmm.2018.3789
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