overwhelming evidence now supports simpson 's concept , originally proposed in 1960 , that acquired myasthenia gravis ( mg ) is an autoimmune disease in which antibodies are directed against the nicotine postsynaptic acetylcholine receptor ( achr ) .1 an autoimmune pathogenesis of acquired mg implies that those myasthenic syndromes which occur in a congenital and familial setting may have a different , non-autoimmune basis .
C0004364
autoimmune disease
C0026896
mg