ArticleMolecular medicine (Cambridge, Mass.)2024
Decellularized nucleus pulposus matrix/chitosan hybrid hydrogel combined with nucleus pulposus stem cells and GDF5-loaded microspheres for intervertebral disc degeneration prevention.
Article in Molecular medicine (Cambridge, Mass.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 21 citations in OpenAlex.
- Reimagining Spinal Surgery at the Nanoscale: Smart Implants, Targeted Therapies, and Translational Challenges.Biology · 2026Review
- Organ-on-a-Chip Technology: Advances in Modeling Inflammation, Neurovascularization and Nociception in Human Intervertebral Disc Degeneration.Smart medicine · 2026Review
- Review
- Comparative Analysis of Dual-miRNA Mediated Stimulation of Nucleus Pulposus and Bone Marrow Derived Stem Cells for Intervertebral Disc Repair.JOR spine · 2026Article
- Restoring disc matrix homeostasis: Dual-miRNA and human platelet lysate as a novel therapeutic strategy.Materials today. Bio · 2026Article
- A Challenge-Oriented Review of Delivery Systems for Cell and Gene Therapies in Intervertebral Disc Degeneration.Bioengineering (Basel, Switzerland) · 2026Review
- Intervertebral disc progenitor cells: roles in regeneration and disease.Stem cell research & therapy · 2026Review
- Exploring Injectable Scaffolded Spheroids for Nucleus Pulposus Therapy in Degenerated Intervertebral Discs.ACS applied materials & interfaces · 2026Article
- Intervertebral disc degeneration.Nature reviews. Disease primers · 2026Review
- A detoxified exosome-ECM hydrogel depot for localized and sustained chemotherapy in prostate cancer.Journal of biological engineering · 2026Article
- Antioxidant biomaterials in intervertebral disc regeneration: current status and future clinical translation.Frontiers in bioengineering and biotechnology · 2026Review
- Integrating cells, scaffolds, and molecular regulation: a mechanobiological and translational review of bioengineering therapies for intervertebral disc degeneration.Frontiers in bioengineering and biotechnology · 2026Review
- Mesenchymal stem cell and exosome-based therapies for degenerative disc disease: from mechanisms to clinical translation.Frontiers in cell and developmental biology · 2026Review
- [Research progress of hydrogel-based growth factors for treatment of intervertebral disc degeneration].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2025Review
- The role of nucleus pulposus progenitor cells in intervertebral disc degeneration and regeneration.Journal of orthopaedic surgery and research · 2025Review
- Advanced hydrogel therapeutics for intervertebral disc degeneration: Engineering structural-functional properties in natural and synthetic biomaterials.Bioengineering & translational medicine · 2025Review
- PLGA-microspheres carried circ_0003251 alleviate intervertebral disc degeneration via the miR-637/AKT1 axis.Journal of translational medicine · 2025Article
- PLGA microspheres loaded with si-circETS1 as a therapeutic strategy to delay intervertebral disc degeneration.Cytotechnology · 2025Article
- Stem cell-based strategies for intervertebral disc regeneration in degenerative microenvironments: challenges and solutions.Frontiers in cell and developmental biology · 2025Review
- Engineering extracellular matrix-based hydrogels for intervertebral disc regeneration.Frontiers in bioengineering and biotechnology · 2025Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundIntervertebral disc degeneration (IDD) is considered an important pathological basis for spinal degenerative diseases. Tissue engineering is a powerful therapeutic strategy that can effectively restore the normal biological properties of disc units. In this study, hydrogels loaded with growth/differentiation factor 5 (GDF5) and stem cells were combined to provide an effective strategy for nucleus pulposus regeneration.
methodsNucleus pulposus stem cells (NPSCs) were obtained by low-density inoculation and culture, and their stem cell characteristics were verified by flow cytometry and a tri-lineage-induced differentiation experiment. A decellularized nucleus pulposus matrix (DNPM) and chitosan hybrid hydrogel was prepared, and GDF5-loaded poly(lactic-co-glycolic acid) (PLGA) microspheres were incorporated into the hydrogels to obtain a composite hydrogels with GDF5-loaded microspheres. Taking bone marrow mesenchymal stem cells (BMSCs) as a reference, the effect of composite hydrogels with GDF5-loaded microspheres on the chondrogenic differentiation of NPSCs was evaluated. A model of intervertebral disc degeneration induced by acupuncture on the tail of rats was constructed, and the repair effect of composite hydrogels with GDF5-loaded microspheres combined with NPSCs on IDD was observed.
resultsStem cell phenotype identification, stemness gene expression and tri-lineage-induced differentiation confirmed that NPSCs had characteristics similar to those of BMSCs. The rat DNPM and chitosan hybrid hydrogels had good mechanical properties, and the GDF5-loaded microspheres sustainably released GDF5. NPSCs grew normally in the composite hydrogels and gradually expressed a chondrocyte phenotype. Animal experiments showed that the composite hydrogels with GDF5-loaded microspheres combined with NPSCs effectively promoted nucleus pulposus regeneration and that the effect of the hydrogels on the repair of IDD was significantly better than that of BMSCs.
conclusionGDF5-loaded microspheres combined with DNPM/chitosan composite hydrogels can effectively promote the differentiation of NPSCs into nucleus pulposus-like cells and effectively preventIDD.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.