Summary
Published in International Journal of Molecular Sciences (2021), this peer-reviewed study used 3D Petri Dish® micro-molds to form scaffold-free 3D microtissues. Full citation: Messner, Catherine Jane, et al. Identification of miR-199a-5p, miR-214-3p and miR-99b-5p as Fibrosis-Specific Extracellular Biomarkers and Promoters of HSC Activation
Identification of miR-199a-5p, miR-214-3p and miR-99b-5p as Fibrosis-Specific Extracellular Biomarkers and Promoters of HSC Activation
Research Overview
Liver fibrosis produces fibrous scarring, and diagnosis still depends on biopsies that carry clinical risk. MicroRNAs — detectable in tissues, body fluids, and culture media — are attractive alternatives because their expression and release change with tissue damage in both patients and cell culture, making them potential translational in vitro-to-in vivo biomarkers.
This work set out to identify and characterize miRNA biomarkers of liver fibrosis usable both in vitro for research and clinically for diagnosis, nominating miR-199a-5p, miR-214-3p, and additional candidates as markers of fibrotic change.
Key Discoveries
- miRNA candidates identified as liver fibrosis biomarkers bridging in vitro and clinical use
- Targets a non-invasive alternative to diagnostic liver biopsy
- Leverages parallel miRNA regulation in patient tissue and cultured cells
