PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8211001-7 1993 Using mutant RMA-S cells, it was found that both Brefeldin A (BFA) and chloroquine, but not leupeptin, inhibited MHC-I upregulation response to both peptide and beta 2-m. Chloroquine 71-82 beta-2 microglobulin Mus musculus 161-169