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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
Published on: February 14, 2021
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Wharton's jelly-derived nanovesicles for targeting intervertebral disc degeneration
Letizia Penolazzi1, Alice Zaramella2, Anna Chierici1
1Department of Neuroscience and Rehabilitation, University of Ferrara, Ferrara, Italy.
Experimental and Molecular Pathology
|November 30, 2025
Summary
Matrix-bound nanovesicles (MBVs) isolated from decellularized Wharton
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Cell Biology
Background:
- Decellularized Wharton's jelly matrix (DWJ) shows efficacy in restoring intervertebral disc (IVD) cell function.
- Degenerative IVD disease (IDD) currently lacks effective treatments.
Purpose of the Study:
- To characterize matrix-bound nanovesicles (MBVs) within DWJ.
- To investigate the therapeutic potential of MBVs for IDD treatment.
Main Methods:
- MBVs isolated via ultracentrifugation from DWJ.
- Characterization using electron microscopy, nanoparticle tracking, and surface marker analysis.
- Assessment of cellular uptake, nitric oxide production, cell migration, and gene/protein expression.
Main Results:
- MBVs were internalized by cells without impacting viability.
- MBVs modulated macrophage phenotype and enhanced IVD cell migration.
- MBVs promoted markers associated with chondrocyte-like phenotype restoration.
- Preliminary analysis indicated MBVs carry functional growth factors and miRNAs.
Conclusions:
- MBVs are an integral component of DWJ scaffolds for tissue repair.
- DWJ-derived MBVs exhibit pro-discogenic properties, suggesting therapeutic potential for IDD.
Keywords:
Decellularized Wharton's jelly matrixDiscogenic phenotypeHuman intervertebral discMatrix vesiclesMore Related Videos
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