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European Spine Journal

, Volume 17, Issue 1, pp 2–19 | Cite as

Are animal models useful for studying human disc disorders/degeneration?

  • Mauro Alini
  • Stephen M. Eisenstein
  • Keita Ito
  • Christopher Little
  • A. Annette Kettler
  • Koichi Masuda
  • James Melrose
  • Jim Ralphs
  • Ian Stokes
  • Hans Joachim Wilke
Review

Abstract

Intervertebral disc (IVD) degeneration is an often investigated pathophysiological condition because of its implication in causing low back pain. As human material for such studies is difficult to obtain because of ethical and government regulatory restriction, animal tissue, organs and in vivo models have often been used for this purpose. However, there are many differences in cell population, tissue composition, disc and spine anatomy, development, physiology and mechanical properties, between animal species and human. Both naturally occurring and induced degenerative changes may differ significantly from those seen in humans. This paper reviews the many animal models developed for the study of IVD degeneration aetiopathogenesis and treatments thereof. In particular, the limitations and relevance of these models to the human condition are examined, and some general consensus guidelines are presented. Although animal models are invaluable to increase our understanding of disc biology, because of the differences between species, care must be taken when used to study human disc degeneration and much more effort is needed to facilitate research on human disc material.

Keywords

Intervertebral disc degeneration Animal models In vivo In vitro 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Mauro Alini
    • 1
  • Stephen M. Eisenstein
    • 2
  • Keita Ito
    • 1
  • Christopher Little
    • 3
  • A. Annette Kettler
    • 4
  • Koichi Masuda
    • 5
  • James Melrose
    • 3
  • Jim Ralphs
    • 6
  • Ian Stokes
    • 7
  • Hans Joachim Wilke
    • 4
  1. 1.AO Research InstituteDavosSwitzerland
  2. 2.Robert Jones and Agnes Hunt Orthopaedic HospitalOswestryUK
  3. 3.Raymond Purves Lab, Institute of Bone and Joint Research, Kolling Institute of Medical ResearchUniversity of Sydney at the Royal North Shore HospitalSt. LeonardsAustralia
  4. 4.Institute of Orthopaedic Research and BiomechanicsUniversity of UlmUlmGermany
  5. 5.Department of Orthopedic SurgeryRush Medical College at Rush University Medical CenterChicagoUSA
  6. 6.School of BioscienceCardiff UniversityCardiffUK
  7. 7.Department of Orthopaedics and RehabilitationUniversity of VermontBurlingtonUSA

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