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International Journal of Molecular Medicine
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Article

Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx

  • Authors:
    • Weihua Li
    • Min Lu
    • Yanhong Zhang
    • Danqin Xia
    • Zebin Chen
    • Linhua Wang
    • Nina Yin
    • Zhigang Wang
  • View Affiliations / Copyright

    Affiliations: Department of Cardiology, Affiliated Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430077, P.R. China, Department of Human Anatomy and Embryology, Medical College of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China, Department of Anatomy, College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, Hubei 430065, P.R. China, Acupuncture and Moxibustion College, Hubei University of Chinese Medicine/Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibustion, Wuhan, Hubei 430065, P.R. China, Department of Traditional Chinese Medicine, Hubei Rongjun Hospital, Wuhan, Hubei 430079, P.R. China, Department of Pathogen Biology, College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, Hubei 430065, P.R. China
  • Pages: 1889-1894
    |
    Published online on: October 12, 2017
       https://doi.org/10.3892/ijmm.2017.3186
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Abstract

Puerarin extracted from Radix Puerariae is well known for its pharmacological effects, including antioxidant, anti‑inflammatory, neuroprotective and cardioprotective properties. In this study, we aimed to investigate the effects of puerarin on the daunorubicin (DNR)-induced apoptosis of H9c2 cells and to elucidate the potential mechanisms involved. MTT assay and flow cytometry were performed to evaluate cell cytotoxicity and apoptosis, respectively. Western blot analysis was used to assess changes in the expression levels of proteins, including caspase-3, Akt and phosphorylated Akt (p-Akt). Ratiometric imaging of intracellular calcium (Ca2+) using cells loaded with Fura-2 was also carried out. Our results revealed that puerarin pre-treatment protected the H9c2 cells against DNR-induced cytotoxicity by inhibiting cell apoptosis, which was also confirmed by the decrease in the expression of cleaved caspase-3. Additionally, p-Akt activation was associated with the suppressive effects of puerarin. Following pre-treatment with puerarin, the extracellular Ca2+ influx was restrained and this resulted in a reduction in the intracellular Ca2+ levels; these effects were abrogated by LY294002 [an inhibitor of phosphatidylinositol 3-kinase (PI3K)]. The inhibition of Ca2+ influx suggested that the PI3K/Akt signaling pathway participated in the suppressive effects of puerarin against H9c2 cell apoptosis. Taken togher, our findings demonstrate that puerarin attenuates the DNR-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx, suggesting that puerarin may be a potential cardioprotective agent for use in the clinical treatment of cardiomyopathy triggered by DNR.
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Copy and paste a formatted citation
Spandidos Publications style
Li W, Lu M, Zhang Y, Xia D, Chen Z, Wang L, Yin N and Wang Z: Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx. Int J Mol Med 40: 1889-1894, 2017.
APA
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L. ... Wang, Z. (2017). Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx. International Journal of Molecular Medicine, 40, 1889-1894. https://doi.org/10.3892/ijmm.2017.3186
MLA
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L., Yin, N., Wang, Z."Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx". International Journal of Molecular Medicine 40.6 (2017): 1889-1894.
Chicago
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L., Yin, N., Wang, Z."Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx". International Journal of Molecular Medicine 40, no. 6 (2017): 1889-1894. https://doi.org/10.3892/ijmm.2017.3186
Copy and paste a formatted citation
x
Spandidos Publications style
Li W, Lu M, Zhang Y, Xia D, Chen Z, Wang L, Yin N and Wang Z: Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx. Int J Mol Med 40: 1889-1894, 2017.
APA
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L. ... Wang, Z. (2017). Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx. International Journal of Molecular Medicine, 40, 1889-1894. https://doi.org/10.3892/ijmm.2017.3186
MLA
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L., Yin, N., Wang, Z."Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx". International Journal of Molecular Medicine 40.6 (2017): 1889-1894.
Chicago
Li, W., Lu, M., Zhang, Y., Xia, D., Chen, Z., Wang, L., Yin, N., Wang, Z."Puerarin attenuates the daunorubicin-induced apoptosis of H9c2 cells by activating the PI3K/Akt signaling pathway via the inhibition of Ca2+ influx". International Journal of Molecular Medicine 40, no. 6 (2017): 1889-1894. https://doi.org/10.3892/ijmm.2017.3186
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