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Related Concept Videos

Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

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Related Experiment Video

Updated: Jun 22, 2026

Surgical Technique for the Implantation of a Biomimetic Artificial Intervertebral Disc in a Goat Animal Model
07:06

Surgical Technique for the Implantation of a Biomimetic Artificial Intervertebral Disc in a Goat Animal Model

Published on: October 10, 2025

Biologic solutions for degenerative disk disease.

Daniel R Fassett1, Mark F Kurd, Alexander R Vaccaro

  • 1Department of Neurosurgery, University of Illinois College of Medicine, Peoria, IL, USA. Dan_Fassett@excite.com

Journal of Spinal Disorders & Techniques
|June 5, 2009
PubMed
Summary
This summary is machine-generated.

Biologic therapies show promise for treating degenerative disk disease by regenerating intervertebral discs. While molecular, gene, and cell-based strategies have yielded encouraging results in studies, further research is needed to address safety and efficacy for human application.

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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
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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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Last Updated: Jun 22, 2026

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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.

Published on: February 14, 2021

Area of Science:

  • Biotechnology and Regenerative Medicine
  • Orthopedics
  • Molecular Biology

Background:

  • Degenerative disk disease is a common condition causing pain and neurological deficits.
  • Understanding the pathophysiology of disk degeneration has led to the investigation of novel biologic therapies.
  • Molecular, gene, and cell-based strategies are being explored to halt and reverse disk degeneration.

Purpose of the Study:

  • To review the potential applications of biologic therapies for degenerative disk disease.
  • To assess the current state of molecular, gene, and cell-based treatment strategies.
  • To identify challenges and future directions for biologic therapies in disk regeneration.

Main Methods:

  • Literature review of existing studies on biologic therapies for degenerative disk disease.
  • Analysis of in vitro and in vivo experimental results.
  • Evaluation of ongoing clinical trials and safety concerns.

Main Results:

  • Molecular therapies (growth factors, inhibitors) show promise but have limited duration.
  • Gene therapies offer potential for long-term local protein production but face vector safety concerns.
  • Cell-based therapies (disk cells, mesenchymal stem cells) demonstrate good results in animal models, with clinical trials initiated.

Conclusions:

  • Biologic therapies for intervertebral disk regeneration show encouraging experimental results.
  • Significant hurdles remain, including safety, efficacy in human studies, and optimal treatment timing.
  • Further research and clinical validation are essential for the human application of these regenerative strategies.