ArticleCurrent issues in molecular biology2026
Fibronectin Peptide FNIII14 Enhances Progressive Cartilage Degeneration in Osteoarthritis by Inducing Chondrocyte Apoptosis.
Article in Current issues in molecular biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Osteoarthritis (OA) is highly prevalent worldwide. Fibronectin (FN) has been associated with OA pathology; however, its role remains unexplored. In this study, we hypothesized that FNIII14 induces chondrocyte apoptosis by inactivating β1 integrin and aimed to clarify the role of FNIII14 in OA pathology. Immunohistochemistry, immunofluorescence, flow cytometry, a 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium assay, a terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick-end labeling assay, real-time quantitative polymerase chain reaction, and Western blotting were performed using cartilage obtained from patients who underwent total knee arthroplasty. In a mouse model, FNIII14 or phosphate-buffered saline was administered to the knees, and cartilage degeneration and synovitis were evaluated using the Mankin and Synovitis scores, respectively. Statistical significance was determined using the Mann-Whitney U or Kruskal-Wallis test (
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