PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10200500-6 1998 Furthermore, nuclear import of grB proceeded through an intact nuclear membrane, as the nuclei of cells whose cytoplasm was pre-loaded with 70 kDa FITC-dextran excluded dextran for up to 90 min while still undergoing apoptosis in response to perforin and grB. fluorescein isothiocyanate dextran 147-159 granzyme B Mus musculus 31-34