( 3 ) h- and ( 35 ) s-labelled heparan sulphates from sequential extracts of fibroblasts ( medium , edta , trypsin digest , dithiothreitol extract , cell-soluble and cell-insoluble material ) afforded similar profiles after both periodate oxidation/alkaline elimination and deaminative cleavage .
C0016030
fibroblasts
C0007634
cell