The Challenge and Advancement of Annulus Fibrosus Tissue Engineering

Overview

Journal Eur Spine J

Specialty Orthopedics

Date 2013 Jan 31

PMID 23361531

Citations 22

Authors

Li Jin

Adam L Shimmer

Xudong Li

Affiliations

Soon will be listed here.

Abstract

Background: Intervertebral disc degeneration, a main cause of back pain, is an endemic problem and a big economic burden for the health care system. Current treatments are symptom relieving but do not address underlying problems-biological and structural deterioration of the disc. Tissue engineering is an emerging approach for the treatment of intervertebral disc degeneration since it restores the functionality of native tissues. Although numerous studies have focused on the nucleus pulposus tissue engineering and achieved successes in laboratory settings, disc tissue engineering without annulus fibrosus for the end stage of disc degeneration is deemed to fail. The purpose of this article is to review the advancement of annulus fibrosus tissue engineering.

Material And Methods: Relevant articles regarding annulus fibrosus tissue engineering were identified in PubMed and Medline databases.

Results: The ideal strategy for disc regeneration is to restore the function and integrity of the disc by using biomaterials, native matrices, growth factors, and cells that producing matrices. In the past decades there are tremendous advancement in annulus fibrosus tissue engineering including cell biology, biomaterials, and whole disc replacement. The recent promising results on whole disc tissue engineering-a composite of annulus fibrosus and nucleus pulposus-make the tissue engineering approach more appealing.

Conclusion: Despite the promising results in disc tissue engineering, there is still much work to be done regarding the clinical application.

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