Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (29): 4303-4310.doi: 10.3969/j.issn.2095-4344.2016.29.007

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Serum and tissue levels of matrix metalloproteinase-1 and its tissue inhibitor in patients with intervertebral disc degeneration

Deng Bin1, Wang Ye-xin2, Meng Chun-yang2   

  1. 1Department of Orthopedics, Zoucheng People’s Hospital, Jining 273500, Shandong Province, China; 2 Department of Spine Surgery, Affiliated Hospital of Jining Medical University, Jining 272000, Shandong Province, China
  • Received:2016-04-28 Online:2016-07-08 Published:2016-07-08
  • About author:Deng Bin, Master, Attending physician, Department of Orthopedics, Zoucheng People’s Hospital, Jining 273500, Shandong Province, China

Abstract:

BACKGROUND: Matrix metalloproteinases are now generally considered to be able to degrade all extracellular matrices. Hypersecretion of matrix metalloproteinases or reduction in tissue inhibitors of matrix metalloproteinases leads to destruction of the dynamic balance of extracellular matrix.
OBJECTIVE: To elucidate the role of matrix metalloproteinase-1 and tissue inhibitor of matrix metalloproteinase-1 in the pathogenesis and progression of intervertebral disc degeneration.
METHODS: A total of 60 patients with intervertebral disc degeneration were included. Mild, moderate, and severe degeneration signals appeared on MRI imaging of the patients. Meanwhile, 20 patients with vertebral fracture, mainly cervical spine fracture, were selected as the control group. Venous blood samples were collected before the surgery; the intervertebral disc specimens were sequentially collected.
RESULTS AND CONCLUSION: Serum and tissue levels of matrix metalloproteinase-1 in patients with intervertebral disc degeneration were significantly increased compared with the control group (P < 0.05), and furthermore those were significantly increased in patients with severe disc degeneration compared with patients with mild and moderate disc degeneration (P < 0.05). However, serum and tissue levels of tissue inhibitors of matrix metalloproteinases did not differ significantly between the disc degeneration and control groups (P > 0.05). These results indicate that hypersecretion of matrix metalloproteinase-1 occurs in patients with intervertebral disc degeneration; however, the expression of tissue inhibitor of matrix metalloproteinase-1 is not correlated with intervertebral disc degeneration.

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程

Key words: Matrix Metalloproteinases, Spine, Intervertebral Disk, Tissue Engineering

CLC Number: