PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9685354-7 1998 Moreover, using inhibitors of GST (dicumarol) or MRP1 (sulfinpyrazone), it was shown that in MCF7 cells resistance to chlorambucil requires both intact MRP1-dependent efflux pump activity and, for full protection, GST A1-1 catalytic activity. Dicumarol 35-44 ATP binding cassette subfamily B member 1 Homo sapiens 152-156