Related Experiment Video
Updated: Jan 25, 2026
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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
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Temporal microRNA changes and their functional significance during vascular calcification: an integrative
Chiu-Hua Lin1, Hsiang-Yuan Yeh2, Tzu-Ming Jao3
1Graduate Institute of Toxicology, National Taiwan University College of Medicine, Taipei, Taiwan.
International Journal of Biological Macromolecules
|January 23, 2026
Summary
This study reveals time-dependent microRNA (miRNA) changes in vascular calcification (VC). MiR-202-3p is identified as an early regulator, suggesting it as a potential therapeutic target to inhibit VC progression.
Area of Science:
- Molecular Biology
- Cardiovascular Research
- Genomics
Background:
- MicroRNAs (miRNAs) are critical in vascular calcification (VC) pathogenesis, exhibiting time-sensitive regulation.
- Limited research exists on temporal miRNA expression patterns and their mechanistic roles in VC progression.
Purpose of the Study:
- To analyze temporal miRNA and mRNA expression trajectories during VC.
- To identify key miRNAs and their target genes involved in VC development.
- To explore the therapeutic potential of targeting specific miRNAs in VC.
Main Methods:
- Integrated analysis of miRNomic datasets from vascular cells and tissues across multiple time points.
- Clustering-based trajectory analysis to identify temporal expression patterns of miRNAs and mRNAs.
- Cross-model validation and functional assays for candidate miRNA-mRNA interactions.
- In vitro and ex vivo experimental models of VC.
Main Results:
- Identified six miRNAs with rising trajectories (RT) and 162 target mRNAs with declining trajectories (DT) during VC.
- Found two miRNAs with declining trajectories (DT) matched with 24 target mRNAs exhibiting rising trajectories (RT).
- miR-202-3p was confirmed as an early responsive miRNA targeting BTG2, and its inhibition attenuated calcification in experimental models.
Conclusions:
- Delineated the temporal landscape of miRNA and mRNA expression dynamics in VC.
- miR-202-3p is a potential early pro-calcific regulator and biomarker for VC.
- Suppression of miR-202-3p may represent a novel therapeutic strategy for vascular calcification.
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