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Article

RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway

  • Authors:
    • Yanpeng Sun
    • Lu Liu
    • Jiang Yuan
    • Qiang Sun
    • Na Wang
    • Yunfu Wang
  • View Affiliations / Copyright

    Affiliations: Department of Neurology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
  • Pages: 3081-3089
    |
    Published online on: February 12, 2018
       https://doi.org/10.3892/ijmm.2018.3482
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Abstract

Radioprotective 105 kDa protein (RP105) has been reported to produce favorable outcomes in various cardiovascular disorders via a toll‑like receptor 4‑dependent or ‑independent manner. However, whether RP105 exerts neuroprotective effects against oxygen‑glucose deprivation (OGD)/reoxygenation (OGD/R) injury remains to be elucidated. In the present study, the PC12 neuronal cell line was exposed to 4 h of OGD followed by 24 h of reoxygenation. Adenoviral vectors encoding RP105 were utilized to upregulate the level of RP105 in PC12 cells prior to OGD/R induction. The results demonstrated that OGD/R reduced the expression of RP105 at the mRNA and protein levels. The overexpression of RP105 significantly reversed OGD/R‑induced neuronal injuries, as demonstrated by the reduced release of lactate dehydrogenate and enhanced cellular viability, in addition to decreased inflammation, apoptosis and reactive oxygen species. The mechanistic evaluations indicated that the neuroprotective functions of RP105 were, in part, a result of activation of the phosphatidylinositol 3‑kinase (PI3K)/protein kinase B (AKT) pathway. In addition, elimination of the PI3K/AKT axis via the use of a pharmacological inhibitor inhibited the OGD/R‑inhibitory effects induced by the overexpression of RP105. Taken together, RP105 protected PC12 cells from OGD/R injury through promotion of the PI3K/AKT pathway; therefore, the RP105‑PI3K‑AKT axis may provide a novel therapeutic target for the prevention of cerebral ischemia/reperfusion injury.
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Copy and paste a formatted citation
Spandidos Publications style
Sun Y, Liu L, Yuan J, Sun Q, Wang N and Wang Y: RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway. Int J Mol Med 41: 3081-3089, 2018.
APA
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., & Wang, Y. (2018). RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway. International Journal of Molecular Medicine, 41, 3081-3089. https://doi.org/10.3892/ijmm.2018.3482
MLA
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., Wang, Y."RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway". International Journal of Molecular Medicine 41.5 (2018): 3081-3089.
Chicago
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., Wang, Y."RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway". International Journal of Molecular Medicine 41, no. 5 (2018): 3081-3089. https://doi.org/10.3892/ijmm.2018.3482
Copy and paste a formatted citation
x
Spandidos Publications style
Sun Y, Liu L, Yuan J, Sun Q, Wang N and Wang Y: RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway. Int J Mol Med 41: 3081-3089, 2018.
APA
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., & Wang, Y. (2018). RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway. International Journal of Molecular Medicine, 41, 3081-3089. https://doi.org/10.3892/ijmm.2018.3482
MLA
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., Wang, Y."RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway". International Journal of Molecular Medicine 41.5 (2018): 3081-3089.
Chicago
Sun, Y., Liu, L., Yuan, J., Sun, Q., Wang, N., Wang, Y."RP105 protects PC12 cells from oxygen‑glucose deprivation/reoxygenation injury via activation of the PI3K/AKT signaling pathway". International Journal of Molecular Medicine 41, no. 5 (2018): 3081-3089. https://doi.org/10.3892/ijmm.2018.3482
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