1. Role of periostin and discoidin domain receptor-1 (DDR1) in the regulation of cartilage degeneration and expression of MMP-13 
M. Attur, Q. Yang, T. Kirsch, S.B. Abramson 
Osteoarthritis and Cartilage 
Volume 24, (April 2016)
DOI: /j.joca
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2. Figure 1. DDR1 inhibitor attenuates both constitutive and periostin-induced MMP-13 expression in human OA cartilage. MMP-13 levels in human cartilage explants treated as described in Methods. Means±SD of triplicate samples are shown. Statistical significance was determined by 1-way ANOVA with post-Bonferroni multiple comparison test. p<0.05, control vs. DDR1 inhibitor-treated; p<0.01, control vs. periostin + DDR1- inhibitor.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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