ArticlePulmonary circulation2025
MiR-24 Attenuates Oxidative Stress and Mitochondrial Apoptosis in Ventilator-Induced Lung Injury by Targeting Bcl-2-related Ovarian Killer.
Article in Pulmonary circulation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- MiR-24 Attenuates Oxidative Stress and Mitochondrial Apoptosis in Ventilator-Induced Lung Injury by Targeting Bcl-2-related Ovarian Killer.Pulmonary circulation · 2025Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mechanical ventilation (MV), though life-saving in acute respiratory distress syndrome (ARDS), can cause ventilator-induced lung injury (VILI). MicroRNA-24 (miR-24) has been implicated in regulating inflammation and apoptosis, but its role in VILI remains unexplored. Therefore, our study aimed to explore the role of mechanism of miR-24 in VILI. MiR-24 expression was analyzed in MV-induced ARDS rat models (GSE57223), plasma from ARDS patients, and cyclic stretch (CS)-treated alveolar epithelial cells. Functional studies included intratracheal delivery of miR-24-agomir in rats with VILI and transfection of miR-24 mimic in CS-exposed cells. Inflammatory cytokines, oxidative stress markers, apoptosis, and mitochondrial dysfunction were assessed using ELISA, RT-qPCR, TUNEL, JC-1 staining, and ATP assays. BOK was identified as a target of miR-24 via bioinformatics, luciferase reporter, and RNA pull-down assays. Rescue experiments using BOK overexpression vectors (pcDNA3.1/BOK) were conducted in both models to confirm functional interaction. MiR-24 was significantly downregulated in ARDS patients and VILI models and positively correlated with oxygenation index. Overexpression of miR-24 attenuated MV- and CS-induced inflammation, oxidative damage, and mitochondrial apoptosis dysfunction. BOK was confirmed as a direct target of miR-24; its expression was upregulated in ARDS and VILI and inversely correlated with miR-24 levels. Silencing of BOK attenuated MV-induced inflammation, oxidative damage, and apoptosis in rats. Importantly, BOK overexpression reversed the protective effects of miR-24 both in vivo and in vitro, confirming its role as a key downstream effector. Receiver operating characteristic (ROC) analysis showed that miR-24 had good diagnostic potential (AUC = 0.834). Overall, MiR-24 protects against MV-induced lung injury by targeting BOK and modulating key injury pathways. The miR-24/BOK axis offers a promising therapeutic avenue for ARDS-associated VILI.
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