PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19248106-7 2009 RESULTS: CS increased HA production by FLS through up-regulation of the expression of HAS1 and HAS2. Chondroitin Sulfates 9-11 hyaluronan synthase 1 Homo sapiens 86-90 19248106-14 2009 CONCLUSION: CS stimulates the synthesis of high molecular weight HA in OA FLS through up-regulation of HAS1 and HAS2. Chondroitin Sulfates 12-14 hyaluronan synthase 1 Homo sapiens 103-107