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Stem Cell Therapy for Tissue Regeneration

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Cell therapy for the degenerating intervertebral disc.

Wei Tong¹, Zhouyu Lu², Ling Qin³

¹Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pa; Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R.China.

Translational Research : the Journal of Laboratory and Clinical Medicine

|December 18, 2016

Summary

This summary is machine-generated.

Developing new treatments for intervertebral disc (IVD) degeneration is crucial. Cell therapy shows promise for moderate degeneration, with hydrogel scaffolds potentially preventing cell leakage and reducing inflammation.

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Area of Science:

Regenerative Medicine
Spinal Surgery
Biomaterials

Background:

Intervertebral disc (IVD) degeneration is a prevalent condition causing significant healthcare costs.
Current treatments lack the ability to restore physiological IVD function.
Cell therapy is a potential strategy for moderate IVD degeneration, particularly in patients with severe pain or instability.

Purpose of the Study:

To review current strategies for repairing degenerating intervertebral discs (IVDs).
To evaluate the efficacy and challenges of cell therapy and cell-based gene therapy for IVD repair.
To assess the suitability of various animal models and scaffold materials in preclinical research.

Main Methods:

Systematic review of 50 studies focusing on cell therapy for IVD degeneration.
Analysis of cell survival, scaffold use, cell leakage, and animal model relevance.
Evaluation of reported improvements in disc structure, inflammation, and clinical outcomes.

Main Results:

Transplanted cells demonstrated good survival in the IVD, indicating its immunologically privileged nature.
Scaffolds, particularly hydrogels, were used in half of the studies to mitigate cell leakage and provide support.
Animal studies showed some disc structure improvement and inflammation reduction, but no complete restoration.

Conclusions:

Cell therapy offers a promising avenue for treating moderate IVD degeneration.
Optimizing scaffolds to prevent cell leakage and enhance integration remains a key challenge.
Attenuating inflammation and developing minimally invasive therapies are priorities for successful clinical translation.