MMP13 and osteoarthritis: Excluding MMP13 mRNA from the study (which has already been linked to chondrocyte biological processes and osteoarthritis (Fosang et al., 1996)), studies with the top four dysregulated lncRNAs and mRNAs verified that qRT-PCR data for 53 specimens (34 OA and 19 normal specimens) were consistent with chip analysis.