PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18924609-3 2008 Whether the beneficial effects of HDL on ECs depend on its involvement in cholesterol efflux via the ATP-binding cassette transporters ABCA1 and ABCG1, which promote efflux of cholesterol and oxysterols from macrophages, has not been investigated. Oxysterols 192-202 ATP-binding cassette, sub-family A (ABC1), member 1 Mus musculus 135-140