cell surface labeling experiments , using the membrane probe galactose oxidase followed by reduction with kb3h4 , showed an increased incorporation of 3h by the homozygous cells into gl4 ( 4-fold ) , gm3 ( 2- to 3-fold ) , and gl3a and gd3 ( 1- to 2-fold ) ;
C0699040
cell
C0007634
cells