Journal: Pulmonary Circulation
Article Title: MiR‐24 Attenuates Oxidative Stress and Mitochondrial Apoptosis in Ventilator‐Induced Lung Injury by Targeting Bcl‐2‐related Ovarian Killer
doi: 10.1002/pul2.70171
Figure Lengend Snippet: MiR‐24 overexpression alleviated cyclic stretch‐induced injury in alveolar epithelial cells in vitro. (A) RT‐qPCR analysis was used to detect the miR‐24 expression in human alveolar epithelial cells treated with CS and transfected with miR‐24 mimic. (B) CCK‐8 assays were performed to detect the viability of alveolar epithelial cells in each group. (C) RT‐qPCR and (D) western blot were conducted to determine the mRNA and protein expression of proinflammatory cytokines (TNF‐α, IL‐6, and IL‐1β) in alveolar epithelial cells. (E) Intracellular ROS levels, (F) MDA, and (G) SOD levels in each group. (H) Western blot analysis was used to detect the cellular levels of apoptotic proteins (Bcl‐2, Bax, cleaved caspase‐3) in each group. (I) Flow cytometry was performed to detect the cell apoptotic rate. (J) JC‐1 staining examined the MMP of alveolar epithelial cells after CS exposure and miR‐24 overexpression (scale bar = 50 um). (K) The ATP level in alveolar epithelial cells after indicated treatment. *** p < 0.001.
Article Snippet: Primary human alveolar epithelial cells (Passage 2) were sourced from Procell Life Science & Technology Co. Ltd. (Wuhan, China).
Techniques: Over Expression, In Vitro, Quantitative RT-PCR, Expressing, Transfection, CCK-8 Assay, Western Blot, Flow Cytometry, Staining