Dysregulated miR-133a Mediates Loss of Type II Collagen by Directly Targeting Matrix Metalloproteinase 9 (MMP9) in Human Intervertebral Disc Degeneration.
In this study we assessed the relationship between the -1562C/T polymorphism of matrix metalloproteinase-9 gene and the extent of degenerative disc disease in the young adult population in North China.