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find Author "CHAI Xiangping" 1 results
  • The effect of PKD1 gene on autophagy in aortic smooth muscle cells

    ObjectiveTo explore the effects of PKD1 gene on mouse aortic smooth muscle (MOVAS) cells autophagy.MethodsThe shRNA and over-expression lentiviral vectors for the target gene of PKD1 were constructed. MOVAS cells were infected by a number of successful packaging shRNA (PKD1 knockdown) or ETS-1 (PKD1 over-expressing) lentiviral vectors, and qPCR was used to test interference and over-expressing effects. Then qPCR and Western blotting were used to detect the expression levels of autophagy markers including Atg5, Beclin1 and LC3 in control group, shPKD1 group and ETS-1 group.ResultsCompared with the control group, PKD1 mRNA level was decreased in the shPKD1 group (P<0.05); ETS-1 and PKD1 mRNA levels were increased in the ETS-1 group (P<0.05). In contrast with the control group, the mRNA levels of autophagy markers including Atg5 (P<0.05) and Beclin1 (P<0.01) were obviously decreased in the shPKD1 group, but they were obviously increased in the ETS-1 group (P<0.001). Protein levels of Atg5, Beclin1 and LC3 were significantly decreased in the shPKD1 group (P<0.05), but they were increased obviously in the ETS-1 group (P<0.05) in contrast with the control group.ConclusionPKD1 gene is involved in MOVAS cells autophagy, low expression of PKD1 gene can inhibit autophagy and high expression of PKD1 promotes autophagy in vascular smooth muscle cells.

    Release date:2020-05-28 10:21 Export PDF Favorites Scan
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