ArticleInternational orthopaedics2015
Differential expressions of the lysyl oxidase family and matrix metalloproteinases-1, 2, 3 in posterior cruciate ligament fibroblasts after being co-cultured with synovial cells.
Article in International orthopaedics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 12 citations in OpenAlex.
- Psoralen Protects Chondrocytes, Exhibits Anti-Inflammatory Effects on Synoviocytes, and Attenuates Monosodium Iodoacetate-Induced Osteoarthritis.International journal of biological sciences · 2019Article
- The Role of the Lysyl Oxidases in Tissue Repair and Remodeling: A Concise Review.Tissue engineering and regenerative medicine · 2017Review
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
Abstract
purposeThe adult human posterior cruciate ligament (PCL) has poor functional healing response. The synovial tissue, which surrounds the PCL ligament, might be the major regulator of the microenvironment in the joint cavity after PCL injury, thus affecting the healing process. Here we establish a novel co-culture system for PCL fibroblasts and synovial cells (SC) in vitro to explore the direct influence of paracrine on PCL cells by characterizing the different expressions of the lysyl oxidase family (LOXs) and matrix metalloproteinases (MMP-1, 2, 3), which respectively facilitate extracellular matrix (ECM) repair and degradation.
methodsTotal RNA was harvested, reverse transcribed and assessed by semi-quantitative PCR and real-time PCR for the expression of LOXs and MMP-1, 2, 3 messenger RNAs. MMP-2 activity was assayed from the collected culture media samples by using zymography.
resultsWe found co-culture could promote gene expressions of the LOXs and MMP-1, 2, 3 in normal PCL fibroblasts. But in injured PCL, we found that matrix crosstalk induced an increase of the MMP-1, 2, 3 expressions and a down-regulation of the LOXs.
conclusionBased on these results, the crosstalk between PCL and SC strongly modified homeostatic balance of ECM and appeared to have a significant impact on PCL wound healing; decreased expression of cross-linking enzymes (LOXs) and increased expression of ECM-degrading proteinases (MMP-1, 2, 3) might be of great contribution to poor healing ability of PCL ligament.
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