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The role of Wnt signaling pathway in atherosclerosis and its relationship with angiogenesis

  • Authors:
    • Jingru Du
    • Junfeng Li

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  • Published online on: July 3, 2018     https://doi.org/10.3892/etm.2018.6397
  • Pages: 1975-1981
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Abstract

Expression and function of Wnt signaling pathway in rats with atherosclerosis (AS) were investegated. The AS model of rats was established after 8-week continuous feeding of a high-fat diet, with normal rats as the control. Blood was taken from the carotid artery to detect the level of blood lipid. Aortic slices were made to observe the pathological changes of the aorta after the rats were sacrificed. Enzyme-linked immunosorbent assay kits were used to detect the contents of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α). Western blot analysis and semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR) were performed to detect the expression levels of related proteins and mRNA in rat Wnt signaling pathway. Correlation analysis between the protein expression level of vascular endothelial growth factor (VEGF) and that of Wnt1 was conducted. Aortic slices showed that the ratio of intima thickness to media thickness of the rats in the model group was higher than that of in the control group (P<0.01). Blood lipid and the contents of IL-6 and TNF-α of the rats in the model group were higher than those of the rats in the control group (P<0.01). Semi‑quantitative RT-PCR indicated that mRNA expression levels of Wnt1, β-catenin and dickkopf1 in the aorta of rats in the model group were increased compared with those of control group (P<0.01). The results of western blot analysis revealed that the protein expression levels of Wnt1, β-catenin, DKK1 and VEGF of the rats in the model group were remarkably higher than those of the control group (P<0.01). The level of VEGF protein was positively correlated with that of Wnt1 (P<0.05, r=0.7810). The activation of Wnt signaling pathway in the aorta of the rats with AS can induce the expression of relevant inflammatory cytokines. It has the effects of promoting the progression of AS and accelerating angiogenesis.
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September-2018
Volume 16 Issue 3

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Du J and Du J: The role of Wnt signaling pathway in atherosclerosis and its relationship with angiogenesis. Exp Ther Med 16: 1975-1981, 2018
APA
Du, J., & Du, J. (2018). The role of Wnt signaling pathway in atherosclerosis and its relationship with angiogenesis. Experimental and Therapeutic Medicine, 16, 1975-1981. https://doi.org/10.3892/etm.2018.6397
MLA
Du, J., Li, J."The role of Wnt signaling pathway in atherosclerosis and its relationship with angiogenesis". Experimental and Therapeutic Medicine 16.3 (2018): 1975-1981.
Chicago
Du, J., Li, J."The role of Wnt signaling pathway in atherosclerosis and its relationship with angiogenesis". Experimental and Therapeutic Medicine 16, no. 3 (2018): 1975-1981. https://doi.org/10.3892/etm.2018.6397