the rapid regeneration of cell surfaces that contain sialic acid by ta3 cells that were treated with neuraminidase , makes it unlikely that the rejection of these cells in vivo , in c3h mice , is due solely to the induction of a primary immune response to new or to previously concealed antigenic specificities that would be expressed on the surface of the sialic acid-depleted cell .
C0007634
the
C0699040
surface of