ArticleCombinatorial chemistry & high throughput screening2025
MiR-140-3p Normalizes Vascular Smooth Muscle Cell Behavior by Inhibiting the RhoA/ROCK Signaling Pathway in Lower-extremity Arteriosclerosis Obliterans.
Article in Combinatorial chemistry & high throughput screening, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Neointimal hyperplasia and vascular restenosis: from molecular mechanisms to therapeutic interventions.Molecular biomedicine · 2026Review
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Authors and funding
4 authors.
Funding
Abstract
backgroundExcessive vascular smooth muscle cell (VSMC) proliferation and migration are the main contributors to the symptoms of lower-extremity arteriosclerosis obliterans (ASO). Previous studies suggested that microRNAs (miRNAs) regulate VSMC activity. Nevertheless, the molecular mechanisms by which they do so are unclear.
objectiveThe present study aimed to identify the biological processes accounting for the effects of miR-140-3p on VSMCs in ASO.
methodsThe expression levels of miR-140-3p in clinical samples were analyzed by real-time polymerase chain reaction. An ASO cell model was established to investigate the expression of miR-140-3p on VSMCs. The transwell® assays and MTT assays were used to assess migration and proliferation. The interaction between RhoA and miR-140-3p was verified using the Dualluciferase reporter assay. Western blot technique was used to identify RhoA, RhoA-associated protein kinase 1 (ROCK1), and ROCK2.
resultsWe discovered that miR-140-3p inhibited the proliferation, migration, and invasion but promoted the apoptosis of VSMCs, and RhoA was its downstream target gene. RhoA, ROCK1, and ROCK2 were upregulated in vascular tissues damaged by ASO compared to normal, healthy arteries. MiR-140-3p also decreased RhoA, ROCK1, and ROCK2 mRNA and protein expression.
conclusionOverall, the present work partially elucidated the mechanism by which miR-140-3p regulates VSMC function and offered novel insights into potential therapeutic approaches for patients with lower-extremity arteriosclerosis obliterans.
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