Research Paper Volume 13, Issue 23 pp 25408—25425

lncRNA CASC7 regulates pathological progression of ox-LDL-stimulated atherosclerotic cell models via sponging miR-21 and regulating PI3K/Akt and TLR4/NF-κB signaling pathways

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Figure 4. miR-21 reverses the biological effects of CASC7 on VSMC and HUVEC. (A) Expression of miR-21 in VSMC as detected by qRT-PCR. (B) Cell viability evaluated by CCK-8 assays. (C and D). Apoptosis rates of VSMC were tested by flow cytometry. (E and F) Invasion capability was evaluated by Transwell invasion assays. (G) Expression of miR-21 in HUVEC as detected by qRT-PCR. (H) Levels of inflammatory factors, including TNF-α, IL-1β and IL-6, were detected by ELISA. Photomicrographs show representative images of the VSMC and HUVEC (400×). Data are presented as mean ± SD. *P < 0.05.