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Article

Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro

  • Authors:
    • Mingtan Tang
    • Li Zhao
    • Yanqing Chen
    • Lixiang Wang
    • Xiumei Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Pharmacology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
  • Pages: 112-116
    |
    Published online on: October 7, 2013
       https://doi.org/10.3892/br.2013.182
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Abstract

Ischemic cerebrovascular disease is a common type of cerebrovascular disease and the leading cause of disability and mortality worldwide. Therefore, it is crucial to elucidate its pathogenesis and develop novel therapeutic strategies. This study was performed to investigate whether angiotensin (ang) II exerts a protective effect against cerebral ischemia̸reperfusion (I/R) injury in vitro. The primary cultured neurons were prepared and an I/R model was established by incubation of cortical neurons with Na2S2O4, followed by culture in fresh medium. The protective effect of ang II and its underlying mechanisms were investigated by morphology observation, MTT assay, flow cytometry analysis and reverse transcription‑polymerase chain reaction (RT‑PCR). The data demonstrated that ang II significantly ameliorated the neuronal injury caused by oxygen‑glucose deprivation. Furthermore, ang II increased cell viability through inhibiting cell apoptosis. The RT‑PCR results revealed that ang II was able to reverse the increased bax mRNA and the decreased bcl2 mRNA expression. Of note, the protective activity of ang II may be attenuated by co‑treatment with ang II type 2 (AT2) receptor blockade (PD123319), but not ang II type 1 (AT1) receptor blockade (valsartan). These findings suggested that ang II exerted a protective effect against neuronal injury induced by oxygen‑glucose deprivation through decreasing cell apoptosis. Therefore, ang II may be used as a potential therapeutic target in the future.
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Copy and paste a formatted citation
Spandidos Publications style
Tang M, Zhao L, Chen Y, Wang L and Zhang X: Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro. Biomed Rep 2: 112-116, 2014.
APA
Tang, M., Zhao, L., Chen, Y., Wang, L., & Zhang, X. (2014). Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro. Biomedical Reports, 2, 112-116. https://doi.org/10.3892/br.2013.182
MLA
Tang, M., Zhao, L., Chen, Y., Wang, L., Zhang, X."Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro". Biomedical Reports 2.1 (2014): 112-116.
Chicago
Tang, M., Zhao, L., Chen, Y., Wang, L., Zhang, X."Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro". Biomedical Reports 2, no. 1 (2014): 112-116. https://doi.org/10.3892/br.2013.182
Copy and paste a formatted citation
x
Spandidos Publications style
Tang M, Zhao L, Chen Y, Wang L and Zhang X: Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro. Biomed Rep 2: 112-116, 2014.
APA
Tang, M., Zhao, L., Chen, Y., Wang, L., & Zhang, X. (2014). Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro. Biomedical Reports, 2, 112-116. https://doi.org/10.3892/br.2013.182
MLA
Tang, M., Zhao, L., Chen, Y., Wang, L., Zhang, X."Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro". Biomedical Reports 2.1 (2014): 112-116.
Chicago
Tang, M., Zhao, L., Chen, Y., Wang, L., Zhang, X."Angiotensin II protects cortical neurons against oxygen‑glucose deprivation‑induced injury in vitro". Biomedical Reports 2, no. 1 (2014): 112-116. https://doi.org/10.3892/br.2013.182
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