PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34359916-6 2021 Plaque macrophage content was reduced, which is likely attributable to increased apoptosis, as judged by increased TUNEL+ cells in Pdgfbret/ret plaques (2.1-fold) and increased Pdgfbret/ret macrophage apoptosis upon 7-ketocholesterol or oxidized LDL incubation in vitro. 7-ketocholesterol 216-233 ret proto-oncogene Mus musculus 186-189