the behaviour of the immune system during liver damage caused by chronic hepatitis delta virus ( hdv ) infection was evaluated by assessing , in 16 patients with hbsag+ chronic liver disease and hdv superinfection ( 15 hbeag- , 1 hbeag+ ) , phytohaemagglutinin ( pha ) -induced interleukin-2 synthesis and interleukin-2 receptor expression , pha and staphylococcal enterotoxin b ( seb ) -induced gamma-interferon synthesis and , in some cases , the presence of hepatitis b virus dna ( hbv-dna ) within peripheral blood mononuclear cells ( pbmc ) .
C0020962
immune system
C1321301
peripheral blood mononuclear cells