CSPG1, CSPGCP, MSK16, CHONDROITIN SULFATE PROTEOGLYCAN CORE PROTEIN 1, aggrecan 1 (chondroitin sulfate proteoglycan 1, large aggregating proteoglycan, antigen identified by monoclonal antibody A0122), aggrecan 1 isoform 1 precursor, aggrecan 1 isoform 2 precursor, cartilage-specific proteoglycan core protein