evidence of a mannose 6-phosphate-dependent transport of cathepsin b in fibroblasts was obtained on the basis of the following results : ( i ) cathepsin b precursor from nh4cl-stimulated secretions was internalized in a mannose 6-phosphate inhibitable manner , and ( ii ) i-cell fibroblasts secreted more than 95 % of newly synthesized cathepsin b precursor .
C0007634
cell
C0016030
fibroblasts