PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11669638-1 2001 Cholesterol removal from lipid-loaded macrophages is an important, potentially antiatherogenic process, and we have previously shown that an oxysterol, 7-ketocholesterol (7K), can impair efflux to lipid-free apoprotein A-1 (apoA-1). Oxysterols 141-150 apolipoprotein A1 Homo sapiens 224-230