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Article

P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury

  • Authors:
    • Hui Guo
    • Zhong‑Qiang Liu
    • Hui Zhou
    • Zhi‑Ling Wang
    • Yu‑Hong Tao
    • Yu Tong
  • View Affiliations / Copyright

    Affiliations: Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
  • Pages: 1819-1824
    |
    Published online on: November 15, 2017
       https://doi.org/10.3892/mmr.2017.8072
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Abstract

The aim of the present study was to elucidate the effects of blocking the calcium signaling pathway of astrocytes (ASs) on oxygen and glucose deprivation (OGD)‑induced AS injury. The association between the changes in the concentrations of AS‑derived transmitter ATP and glutamic acid, and the changes in calcium signaling under the challenge of OGD were investigated. The cortical ASs of Sprague Dawley rats were cultured to establish the OGD models of ASs. The extracellular concentrations of ATP and glutamic acid in the normal group and the OGD group were detected, and the intracellular concentration of calcium ions (Ca2+) was detected. The effects of 2'‑deoxy‑N6‑methyl adenosine 3', 5'‑diphosphate diammonium salt (MRS2179), a P2Y1 receptor antagonist, on the release of calcium and glutamic acid of ASs under the condition of OGD were observed. The OGD challenge induced the release of glutamic acid and ATP by ASs in a time‑dependent manner, whereas elevation in the concentration of glutamic acid lagged behind that of the ATP and Ca2+. The concentration of Ca2+ inside ASs peaked 16 h after OGD, following which the concentration of Ca2+ was decreased. The effects of elevated release of glutamic acid by ASs when challenged by OGD may be blocked by MRS2179, a P2Y1 receptor antagonist. Furthermore, MRS2179 may significantly mitigate OGD‑induced AS injury and increase cell survival. The ASs of rats cultured in vitro expressed P2Y1 receptors, which may inhibit excessive elevation in the concentration of intracellular Ca2+. Avoidance of intracellular calcium overload and the excessive release of glutamic acid may be an important reason why MRS2179 mitigates OGD‑induced AS injury.
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Copy and paste a formatted citation
Spandidos Publications style
Guo H, Liu ZQ, Zhou H, Wang ZL, Tao YH and Tong Y: P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury. Mol Med Rep 17: 1819-1824, 2018.
APA
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., & Tong, Y. (2018). P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury. Molecular Medicine Reports, 17, 1819-1824. https://doi.org/10.3892/mmr.2017.8072
MLA
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., Tong, Y."P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury". Molecular Medicine Reports 17.1 (2018): 1819-1824.
Chicago
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., Tong, Y."P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury". Molecular Medicine Reports 17, no. 1 (2018): 1819-1824. https://doi.org/10.3892/mmr.2017.8072
Copy and paste a formatted citation
x
Spandidos Publications style
Guo H, Liu ZQ, Zhou H, Wang ZL, Tao YH and Tong Y: P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury. Mol Med Rep 17: 1819-1824, 2018.
APA
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., & Tong, Y. (2018). P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury. Molecular Medicine Reports, 17, 1819-1824. https://doi.org/10.3892/mmr.2017.8072
MLA
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., Tong, Y."P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury". Molecular Medicine Reports 17.1 (2018): 1819-1824.
Chicago
Guo, H., Liu, Z., Zhou, H., Wang, Z., Tao, Y., Tong, Y."P2Y1 receptor antagonists mitigate oxygen and glucose deprivation‑induced astrocyte injury". Molecular Medicine Reports 17, no. 1 (2018): 1819-1824. https://doi.org/10.3892/mmr.2017.8072
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