biosynthesis of arylsulfatase a in normal and mutant human fibroblasts was studied by growing cells in the presence of l- [ 4,5-3h ] leucine or [ 2-3h ] mannose , isolation of labelled arylsulfatase a by immune precipitation and visualization of electrophoretically separated polypeptide by fluorography .
C0016030
fibroblasts
C0007634
cells