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Article Open Access

Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism

  • Authors:
    • Ye Chang
    • Yuan Li
    • Ning Ye
    • Xiaofan Guo
    • Zhao Li
    • Guozhe Sun
    • Yingxian Sun
  • View Affiliations / Copyright

    Affiliations: Department of Cardiology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
    Copyright: © Chang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 33-42
    |
    Published online on: October 19, 2017
       https://doi.org/10.3892/ijmm.2017.3200
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Abstract

This study aimed to explore whether angiotensin II (Ang II) inhibits the proliferation of human umbilical vein endothelial cells (HUVECs) by changing mitochondrial energy metabolism, and whether atorvastatin has a protective role via restoration of endothelial function. HUVECs were treated with 1 µM Ang II alone or with 10 µM atorvastatin for 24 h. Proliferation was detected by MTT assay, cell counting, 5‑ethynyl‑2'‑deoxyuridine assay and real‑time cell analyzer. Mitochondrial energy metabolism including oxygen consumption rate and extracellular acidification rate were measured using a Seahorse metabolic flux analyzer. Mitochondrial membrane potential was detected under fluorescence microscope following staining with tetramethylrhodamine. Respiratory chain complexes I‑V were detected using western blotting. The current study showed that Ang II inhibits the proliferation of HUVECs. Results from the Seahorse metabolic flux analyzer indicated that Ang II decreased basal oxygen consumption, maximal respiration capacity, spare respiration capacity, adenosine triphosphate‑linked respiration and non‑mitochondrial respiration. By contrast, Ang II increased the proton leak. Additionally, Ang II increased glycolysis, glycolytic capacity and non‑glycolytic acidification. Furthermore, these effects were all suppressed by atorvastatin. The results indicated that atorvastatin prevents cellular energy metabolism switching from oxidative phosphorylation to glycolysis induced by Ang II and protected the proliferative ability of HUVECs.
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Copy and paste a formatted citation
Spandidos Publications style
Chang Y, Li Y, Ye N, Guo X, Li Z, Sun G and Sun Y: Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism. Int J Mol Med 41: 33-42, 2018.
APA
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., & Sun, Y. (2018). Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism. International Journal of Molecular Medicine, 41, 33-42. https://doi.org/10.3892/ijmm.2017.3200
MLA
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., Sun, Y."Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism". International Journal of Molecular Medicine 41.1 (2018): 33-42.
Chicago
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., Sun, Y."Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism". International Journal of Molecular Medicine 41, no. 1 (2018): 33-42. https://doi.org/10.3892/ijmm.2017.3200
Copy and paste a formatted citation
x
Spandidos Publications style
Chang Y, Li Y, Ye N, Guo X, Li Z, Sun G and Sun Y: Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism. Int J Mol Med 41: 33-42, 2018.
APA
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., & Sun, Y. (2018). Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism. International Journal of Molecular Medicine, 41, 33-42. https://doi.org/10.3892/ijmm.2017.3200
MLA
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., Sun, Y."Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism". International Journal of Molecular Medicine 41.1 (2018): 33-42.
Chicago
Chang, Y., Li, Y., Ye, N., Guo, X., Li, Z., Sun, G., Sun, Y."Atorvastatin protects the proliferative ability of human umbilical vein endothelial cells inhibited by angiotensin II by changing mitochondrial energy metabolism". International Journal of Molecular Medicine 41, no. 1 (2018): 33-42. https://doi.org/10.3892/ijmm.2017.3200
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