PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12940068-6 2001 Chondroitin sulfate A and chondroitin sulfate B reduced cell surface apoE by 23.6% and 15.3% respectively while incubations with chondrointin sulfate C not effective. Dermatan Sulfate 26-47 apolipoprotein E Homo sapiens 69-73