ArticleMolecular biotechnology2021
Effect of miR-126 on the Proliferation and Migration of Vascular Smooth Muscle Cells in Aortic Aneurysm Mice Under PI3K/AKT/mTOR Signaling Pathway.
Article in Molecular biotechnology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This paper is to investigate the expression changes of Phosphatidylinositol-3 Kinase (PI3K), protein kinase B (AKT), and Mammalian Target of Rapamycin (mTOR) in Vascular Smooth Muscle Cells (VSMCs) of aortic aneurysm mice, and to analyze the mechanism of VSMCs proliferation and migration. Aortic VSMCs cells were cultured using BALB/c mice as the research object. VSMCs were identified using artificial intelligence-based digital microscopy equipment, and liposome-transfected VSMCs experiments were performed. Real-time PCR was used for the mRNA expression levels of miR-126 and Phosphatase and Tensin Homolog (PTEN). Western blot was used for the protein expression levels of PTEN, PI3K, AKT, and mTOR. The cultured cells were identified as mouse VSMCs using digital microscopes based on artificial intelligence. Compared with the normal group, the expression of miR-126 and PTEN mRNA in the model group were significantly increased and reduced, respectively. Compared with the model group, the expression level of miR-126 and PTEN mRNA in the inhibitor group were significantly reduced and increased, respectively. Compared with the model group, the expression of miR-126 and PTEN mRNA in the ursolic acid group was significantly reduced and increased, respectively. After liposome transfection, compared with the normal group, the expression of PTEN protein in the model group was significantly reduced, and the expression of PI3K protein was significantly increased. Compared with the model group, the expression of PTEN protein was significantly increased and the expression of PI3K protein was significantly decreased in the transfection group. Compared with the control group, the expression of PI3K, AKT and mTOR protein in the model group was significantly increased. Compared with the model group, the expression of PI3K, AKT, and mTOR protein in the ursolic acid group was significantly reduced. The expressions of PI3K, AKT and mTOR protein in PI3K inhibitor group and AKT inhibitor group were significantly reduced. In conclusion, ursolic acid can inhibit the proliferation and migration of VSMCs in aortic aneurysm mice through the miR-126/PTEN/PI3K/AKT/mTOR signaling pathway. Furthermore, PTEN gene and miR-126 negatively regulate PI3K/AKT/mTOR and PTEN/PI3K/AKT/mTOR signaling pathway, respectively .
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