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September 10, 2025Orthopaedic Proceedings

Biomechanically Loaded 3d Tissue-Mimetic Lab-on-a-Chip Models for Human Inflammation and Fibrosis Modelling

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Authors

EREva I. ReihsJSJonathan StraussJHJohannes Heidenberger

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Overview

Observational analysis shows increased inflammatory responses in cartilage models under mechanical loading, suggesting lab-on-a-chip models reveal important insights into joint inflammation.

Key Points

  • Increased inflammatory responses were observed in cartilage models under cyclic flow perfusion, indicating biomechanical factors play a role in inflammation.
  • Gene expression analysis revealed elevated expression of inflammatory cytokines like IL6 and MMPs, highlighting the potential impact of mechanical loading.
  • Cyclic mechanical straining in ligament models amplified pro-inflammatory responses, pointing to the complexity of joint tissue interactions in osteoarthritis.
  • Prolonged culture of ligamentocytes reduced mechano-sensitivity, suggesting that tissue culture conditions affect the biomechanical responsiveness of cells.

Cite This Study

Reihs et al. (2025) studied this question.

synapsesocial.com/papers/68c23d3ab210217d6478c9cfhttps://doi.org/10.1302/1358-992x.2025.6.032
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A Compartmentalized Joint‐on‐chip (JoC) Model to Unravel the Contribution of Cartilage and Synovium to Osteoarthritis Pathogenesis2025 · 7 citations
  2. 2Microengineering the synovial membrane microenvironment for osteoarthritis research2025
  3. 3Scaffold-free generation of non-contractile bioengineered cartilage to investigate the effects of inflammatory mediators on human chondrocytes2025
  4. 4Synovial fibroblasts support vascular function in an acute injury-on-a-chip model2025
  5. 5LOCALIZED OXYGEN CONTROL IN A MICROFLUIDIC OSTEOCHONDRAL INTERFACE MODEL RECAPITULATES BONE–CARTILAGE CROSSTALK DURING OSTEOARTHRITIS2025