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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...
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Related Experiment Video

Updated: Jun 16, 2026

Operational and Intervention Effects of Targeted Tuina in Lumbar Intervertebral Disc Degeneration Model Rabbits
06:03

Operational and Intervention Effects of Targeted Tuina in Lumbar Intervertebral Disc Degeneration Model Rabbits

Published on: July 21, 2023

[A comparative study on establishing rabbit intervertebral disc degeneration models by three methods].

Wenli Zhang1, Tao Li, Quan Gong

  • 1Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, PR China.

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery
|February 9, 2010
PubMed
Summary

Establishing reliable animal models for intervertebral disc degeneration is crucial. Endplate injury and nucleus aspiration in rabbits induced faster, more severe degeneration than annulus puncture.

Related Experiment Videos

Last Updated: Jun 16, 2026

Operational and Intervention Effects of Targeted Tuina in Lumbar Intervertebral Disc Degeneration Model Rabbits
06:03

Operational and Intervention Effects of Targeted Tuina in Lumbar Intervertebral Disc Degeneration Model Rabbits

Published on: July 21, 2023

Area of Science:

  • Biomedical research
  • Animal models
  • Spinal research

Background:

  • Intervertebral disc degeneration (IVDD) necessitates reliable animal models for pathogenesis and treatment research.
  • Developing reproducible models is key to advancing understanding of IVDD.

Purpose of the Study:

  • To establish and compare three distinct injury-induced rabbit models of intervertebral disc degeneration.
  • To evaluate the characteristics of these models using biochemical and radiological methods.

Main Methods:

  • Twenty-five rabbits underwent annulus puncture (18-gauge and 22-gauge needles), nucleus aspiration, or endplate injury, with a control group.
  • Radiographs and MRI assessed disc height and degeneration grades over 32 weeks.
  • Nucleus water and sulfated-glycosaminoglycan (s-GAG) content were measured post-sacrifice.

Main Results:

  • All injury models showed decreased disc height, vertebral bony excrescences, and endplate calcification on radiographs.
  • MRI revealed decreased T2 signal intensity, with significant degeneration observed within 4 weeks compared to controls.
  • Nucleus water and s-GAG content decreased significantly within 8 weeks in injury groups.

Conclusions:

  • Annulus puncture, nucleus aspiration, and endplate injury successfully induced intervertebral disc degeneration in rabbits.
  • Endplate injury and nucleus aspiration models demonstrated a faster and more severe degenerative process compared to annulus puncture.