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- Title
Regulatory Role of Hypoxia Inducible Factor in the Biological Behavior of Nucleus Pulposus Cells.
- Authors
Hao Li; Cheng Zhen Liang; Qi Xin Chen
- Abstract
Intervertebral disc (IVD) degeneration is implicated as a major cause of low back pain. The alternated phenotypes, reduced cell survival, decreased metabolic activity, loss of matrix production and dystrophic mineralization of nucleus pulposus (NP) cells may be key contributors to progressive IVD degeneration. IVD is the largest avascular structure in the body, characterized by low oxygen tension in vivo. Hypoxia-inducible factor (HIF) is a master transcription factor that is induced upon hypoxia and directs coordinated cellular responses to hypoxic environments. This review summarizes relevant studies concerning the involvement of HIF in the regulation of biological behaviors of NP cells. We describe current data on the expression of HIF in NP cells and further discuss the various roles that HIF plays in the regulation of the phenotype, survival, metabolism, matrix production and dystrophic mineralization of NP cells. Here, we conclude that HIF may be a promising target for the prevention and treatment of IVD degeneration.
- Subjects
HYPOXIA-inducible factors; BIOLOGICAL systems; NUCLEUS pulposus; INTERVERTEBRAL disk; BACKACHE; PHENOTYPES
- Publication
Yonsei Medical Journal, 2013, Vol 54, Issue 4, p807
- ISSN
0513-5796
- Publication type
Article
- DOI
10.3349/ymj.2013.54.4.807