PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28522830-7 2017 Imaging flow cytometry also showed that CD1a and CD1d proteins were retained in early and late endosomal compartments, respectively, supporting an impaired endocytic lipid antigen presentation for T cell activation upon benzo[a]pyrene exposure. benzo[a] 220-228 CD1d molecule Homo sapiens 49-53