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Article

Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury

  • Authors:
    • Jie Feng
    • Tianxiang Huang
    • Qing Huang
    • Hua Chen
    • Yu Li
    • Wei He
    • Gui‑Bin Wang
    • Le Zhang
    • Jian Xia
    • Ning Zhang
    • Yunhai Liu
  • View Affiliations / Copyright

    Affiliations: Institute of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China, Institute of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
  • Pages: 8141-8147
    |
    Published online on: October 13, 2015
       https://doi.org/10.3892/mmr.2015.4436
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Abstract

The present study examined the association between microRNA (miR)‑296 and angiogenesis following cerebral ischemic injury, and the underlying mechanisms. A cerebral ischemic model was established in rats via right middle cerebral artery occlusion. The animals were randomly divided into four groups (baseline, 1 day, 3 day and 7 day). Quantitative polymerase chain reaction and western blot analyses were performed to examine the expression levels of miR‑296 and hepatocyte growth factor‑regulated tyrosine kinase substrate (HGS), respectively. Angiogenesis was assessed by examining microvessel density. The results demonstrated that miR‑296 and angiogenesis were significantly upregulated, while HGS was significantly downregulated following ischemic injury. Adenovirus‑mediated overexpression of miR‑296 markedly enhanced the formation of capillary‑like structures in human umbilical vein endothelial cells, parallel with significantly increased expression levels of vascular endothelial growth factor (VEGF) and VEGF receptor 2, and reduced expression levels of DLL4 and Notch1. The results of the present study provided in vivo and in vitro evidence suggesting that miR‑296 promotes angiogenesis in the ischemic brain through upregulating VEGF and downregulating Notch1 following cerebral ischemic injury.
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Copy and paste a formatted citation
Spandidos Publications style
Feng J, Huang T, Huang Q, Chen H, Li Y, He W, Wang GB, Zhang L, Xia J, Zhang N, Zhang N, et al: Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury. Mol Med Rep 12: 8141-8147, 2015.
APA
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W. ... Liu, Y. (2015). Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury. Molecular Medicine Reports, 12, 8141-8147. https://doi.org/10.3892/mmr.2015.4436
MLA
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W., Wang, G., Zhang, L., Xia, J., Zhang, N., Liu, Y."Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury". Molecular Medicine Reports 12.6 (2015): 8141-8147.
Chicago
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W., Wang, G., Zhang, L., Xia, J., Zhang, N., Liu, Y."Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury". Molecular Medicine Reports 12, no. 6 (2015): 8141-8147. https://doi.org/10.3892/mmr.2015.4436
Copy and paste a formatted citation
x
Spandidos Publications style
Feng J, Huang T, Huang Q, Chen H, Li Y, He W, Wang GB, Zhang L, Xia J, Zhang N, Zhang N, et al: Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury. Mol Med Rep 12: 8141-8147, 2015.
APA
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W. ... Liu, Y. (2015). Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury. Molecular Medicine Reports, 12, 8141-8147. https://doi.org/10.3892/mmr.2015.4436
MLA
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W., Wang, G., Zhang, L., Xia, J., Zhang, N., Liu, Y."Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury". Molecular Medicine Reports 12.6 (2015): 8141-8147.
Chicago
Feng, J., Huang, T., Huang, Q., Chen, H., Li, Y., He, W., Wang, G., Zhang, L., Xia, J., Zhang, N., Liu, Y."Pro‑angiogenic microRNA‑296 upregulates vascular endothelial growth factor and downregulates Notch1 following cerebral ischemic injury". Molecular Medicine Reports 12, no. 6 (2015): 8141-8147. https://doi.org/10.3892/mmr.2015.4436
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