two patients with subacute sclerosing panencephalitis ( sspe ) showed impairment of cell-mediated immunity , as indicated by a low t cell number , decreased intracellular cyclic amp levels of peripheral blood lymphocytes , negative graft-vs.-host reaction in vivo , negative skin reactions to common antigens and , in one of the patients , abnormal reactions in migration inhibition factor tests .
C0020966
cell-mediated immunity
C0003320
antigens