Towards Developing a Malaria Vaccine Based on CD4 T Cell Mediated Immunity in Blood Stage of Malaria Infection

(整期优先)网络出版时间:2004-04-14
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Twenty-oneyearsaftermalariaantigenswerefirstclonedavaccinestillappearstobealongwayoff.Therehavebeenperiodsofgreatexcitementandinmodelsystemssubunitvaccinehomologuescaninducerobustprotection.However,significantchallengesexistconcerningantigenicvariationandpolymorphism,immunologicalnon-respons-ivenesstoinpidualvaccineantigens,parasite-inducedapoptosisofimmuneeffectorandmemorycellsandimmunedeviationasaresultofmaternalimmtmityandalterationsofdendriticcellfunction.