the inability of stimulator cells expressing such `` '' nude '' '' mhc molecules to elicit t cell proliferation after chemical modification could be due to easier crosslinking of the allodeterminants by paraformaldehyde when the binding site is empty but could also mean that nude mhc molecules are not per se immunogenic and become so only after acquisition of a peptide .
C0007634
the
C1155046
t t cell proliferati