简介：TostudyIgGsubclassesforthehepatitisBvirus(HBV)coreantigen(anti-HBc)indifferentpopulations,acomparisonwasmadebetween104chroniccarriers(60maleand44female)and434recoveredindividuals(247maleand192female).BiochemistryanalysesofAST(aspartateaminotransferase)andALT(alanineaminotransferase)werealsoperformed.Amongthe104chroniccarriers,21patientswerefoundtobeALTandASTabnormal(＞25IU/ml).AftercomparingtheseALTandASTabnormalpatientswithotherALTandASTnormalchroniccarriers,nostatisticaldifferencewasobservedintheODvaluesoftheanti-HBe(p＞0.05).TheELISAresultsshowedtheanti-HBcIgGsubclasspatternwasIgG1＞IgG3＞IgG4inchroniccarriersandIgG3＞IgG1＞IgG4inrecoveredindividuals(p＜0.05).ThisresultsuggeststheIgG1/IgG3ratiomayberelatedwithHBVstatus.However,inspiteofthedifferentanti-HBcIgG1/IgG3patternsdemonstratedindifferentpopulations,bothanti-HBcIgG1andIgG3concentrationsweresignificantlyhigherinchroniccarriers(p＜0.05).Therefore,boththeanti-HBcIgG1/IgG3ratioandtheiramountsdiffered.Theymayplayasignificantroleinchroniccarriersandrecoveredindividuals.Theanti-HBcIgGsubclassprofilesofchroniccarrierswerenotchangedregardlessofliverinflammation,andwereindependentofsexandage.Cellular&MolecularImmunology.