An injectable extracellular matrix derived hydrogel for meniscus repair and regeneration
Source abstract
Abstract
Tissue-derived extracellular matrix (ECM) biomaterials to regenerate the meniscus have gained increasing attention in treating meniscus injuries and diseases, particularly for aged persons and athletes. However, ECM scaffold has poor cell infiltration and can only be implanted using surgical procedures. To overcome these limitations, we developed an injectable ECM hydrogel material from porcine meniscus via modified decellularization and enzymatic digestion. This meniscus-derived ECM hydrogel exhibited a fibrous morphology with tunable compression and initial modulus. It had a good injectability evidenced by syringe injection into mouse subcutaneous tissue. The hydrogel showed good cellular compatibility by promoting the growth of both bovine chondrocytes and mouse 3T3 fibroblasts encapsulated in the hydrogel for 2 weeks. It also promoted cell infiltration as shown in both in vitro cell culture and in vivo mouse subcutaneous implantation. The in vivo study revealed that the ECM hydrogel possessed good tissue compatibility after 7 days of implantation. The results support the great potential of the newly produced injectable meniscus-derived ECM hydrogel specifically for meniscus repair and regeneration.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Knee injuries and reconstruction techniques · Tissue Engineering and Regenerative Medicine · Electrospun Nanofibers in Biomedical Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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