Fig. 2From: A new single nucleotide polymorphism affects the predisposition to thoracic ossification of the posterior longitudinal ligamentAnalysis of COL6A1 mRNA expression. The mRNA expression levels of COL6A1 in T-OPLL patients with rs201153092A mutation were significantly higher than that those T-OPLL patients carrying rs201153092G. ***P < 0.001Back to article page