this aberrant class ii expression is important in the mechanism of perpetuation of the disease process , therefore we have compared the effect of interferon gamma ( ifn gamma ) and tumour necrosis factor ( tnf alpha ) on the hla-dr alpha mrna expression of thyroid follicular cells derived from graves ' disease ( gd ) and a non autoimmune disease , non toxic goitre ( ntg ) .
C0018213
graves
C0004364
autoimmune disease