ArticleHistology and histopathology2020
Latexin expression correlated with mineralization of articular cartilage during progression of post-traumatic osteoarthritis in a rat model.
Article in Histology and histopathology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 5 citations in OpenAlex.
- Causal Relationship Between Plasma Protein-to-Protein Ratios and Rheumatoid Arthritis: A Proteome-wide Mendelian Randomization Study.Current molecular medicine · 2026Article
- Mechanistic insights into non-coding RNAs regulate autophagy in chondrocytes and their contribution to osteoarthritis.Frontiers in medicine · 2025Review
- Circ_0002715 promotes the development of osteoarthritis through regulating LXN by sponging miR-127-5p.Journal of orthopaedic surgery and research · 2023Article
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6 authors at 1 institution in 1 country.
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Abstract
As latexin has been linked with chondrocyte hypertrophic differentiation it is possible that this protein may also be involved in the mineralization of cartilage in OA. Therefore, we correlated latexin expression with the mineralization marker, alkaline phosphatase and determined the mineral deposition in the articular cartilage by analyzing the Ca/P ratio and the collagen fibrils pattern, during the progression of post-traumatic OA in a rat model. OA was induced by medial meniscectomy and post-surgery exercise for 5, 10, 20 and 45 days. Protein expression in articular cartilage was evaluated by immunofluorescence, histochemistry and Western blot. Minerals and structure of collagen fibrils in the superficial zone of cartilage were analyzed by energy dispersive X-ray spectroscopy (EDX) and atomic force microscopy (AFM) respectively. Protein expression analysis showed time-dependent up-regulation of latexin during OA progression. In the cartilage, latexin expression correlated with the expression and activity of alkaline phosphatase. EDX of the superficial zone of cartilage showed a Ca/P ratio closer to theoretical values for basic calcium phosphate minerals. The presence of minerals was also analyzed indirectly with AFM, as the collagen fibril pattern was less evident in the mineralized tissue. Latexin is expressed in articular cartilage from the early stages of post-traumatic OA; however, minerals were detected after latexin expression was up-regulated, indicating that its activity precedes and remains during the pathological mineralization of cartilage. Thus, our results contribute to the identification of molecules involved in the mineralization of articular chondrocytes.
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