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Article

Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway

  • Authors:
    • Lei Hu
    • Na Cai
    • Hui Jia
  • View Affiliations / Copyright

    Affiliations: Department of Clinical Laboratory, Northwest Women and Children's Hospital, Xi'an, Shaanxi 710061, P.R. China, Department of Medical Genetics, Northwest Women and Children's Hospital, Xi'an, Shaanxi 710061, P.R. China
  • Pages: 5509-5514
    |
    Published online on: October 2, 2017
       https://doi.org/10.3892/etm.2017.5246
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Abstract

The current study aimed to evaluate the cardioprotective effects of pterostilbene (PTB) on myocardial ischemia‑reperfusion (I/R) injury in rats and identify its possible underlying mechanisms of action. A rat I/R model was established by ligating the left anterior descending coronary artery for 30 min and releasing the ligature to induce reperfusion for 120 min. Serum creatine kinase‑MB (CK‑MB) and lactate dehydrogenase (LDH) levels were measured using CK‑MB and LDH assay kits and myeloperoxidase (MPO) activity in the myocardium was evaluated using an MPO assay kit. Tumor necrosis factor‑α, interleukin (IL)‑6 and IL‑8 levels were assayed using ELISA kits. Cardiomyocyte apoptosis was measured using terminal deoxynucleotidyl transferase dUTP nick end labeling staining. Levels of protein kinase B (Akt) and phosphorylated Akt (p‑Akt) were measured using western blotting. The results demonstrated that treatment with PTB significantly reduced cardiomyocyte apoptosis, significantly increased Bcl‑2 and p‑Akt levels and decreased Bax expression in the hearts of rats subjected to I/R injury. However, the protective effects induced by PTB were attenuated by LY294002, which inhibits Akt activation. The results of the current study suggest that PTB treatment may reduce the I/R injury‑induced apoptosis of cardiomyocytes, which is mediated by the phosphoinositide 3‑kinase/Akt signaling pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Hu L, Cai N and Jia H: Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway. Exp Ther Med 14: 5509-5514, 2017.
APA
Hu, L., Cai, N., & Jia, H. (2017). Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway. Experimental and Therapeutic Medicine, 14, 5509-5514. https://doi.org/10.3892/etm.2017.5246
MLA
Hu, L., Cai, N., Jia, H."Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway". Experimental and Therapeutic Medicine 14.6 (2017): 5509-5514.
Chicago
Hu, L., Cai, N., Jia, H."Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway". Experimental and Therapeutic Medicine 14, no. 6 (2017): 5509-5514. https://doi.org/10.3892/etm.2017.5246
Copy and paste a formatted citation
x
Spandidos Publications style
Hu L, Cai N and Jia H: Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway. Exp Ther Med 14: 5509-5514, 2017.
APA
Hu, L., Cai, N., & Jia, H. (2017). Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway. Experimental and Therapeutic Medicine, 14, 5509-5514. https://doi.org/10.3892/etm.2017.5246
MLA
Hu, L., Cai, N., Jia, H."Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway". Experimental and Therapeutic Medicine 14.6 (2017): 5509-5514.
Chicago
Hu, L., Cai, N., Jia, H."Pterostilbene attenuates myocardial ischemia‑reperfusion injury via the phosphatidylinositol 3'‑kinase‑protein kinase B signaling pathway". Experimental and Therapeutic Medicine 14, no. 6 (2017): 5509-5514. https://doi.org/10.3892/etm.2017.5246
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