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Evaluation of Cynomolgus (Macaca fascicularis) and Rhesus (Macaca mulatta) Monkeys as Experimental Models of Acute Q Fever after Aerosol Exposure to Phase-I Coxiella burnetii

机译:评价食蟹猴(猕猴)和恒河猴(猕猴)作为气溶胶暴露于第一阶段的柯氏杆菌后急性Q发实验模型

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BackgroundandPurpose:Qfeverisadiseaseofhumans.Vaccinestopreventthisdiseasehavedemonstratedefficacyinrodentsandmustalsobeevaluatedforefficacyinanonhumanprimatemodel.Preliminarytovaccineefficacyexperiments,cynomolgusandrhesusmonkeyswereevaluatedassuitableexperimentalmodelsofacuteQfever.brxmlns="http://pub2web.metastore.ingenta.coms/"/brMethods:Bothspeciesofmonkeyswerechallengedwithaerosolized105virulentphase-ICoxiellaburnetiiHenzerlingstrain,andclinicalandserologicresponsesweredetermined.brxmlns="http://pub2web.metastore.ingenta.coms/"/brResults:Radiographicchangeswereobservedinsevenofeightmonkeysofbothspecies;however,changesincynomolgusmonkeystendedtobemoresignificant.Between7and10daysafterchallenge,allrhesusmonkeysand88%ofcynomolgusmonkeyswerebacteremic.SequentialincreasesinantibodyresponsestoC.burnetiiphase-Iandphase-IIwholecellsandphase-Ilipopolysaccharidewereobservedinbothspecies.Althoughthemaximalrectaltemperatureincreasewassimilarinbothspecies,durationoffeverwasslightlylongerinrhesusmonkeys.ClinicalfeaturesweresimilartothosedescribedinhumanacuteQfeverpatients.brxmlns="http://pub2web.metastore.ingenta.coms/"/brConclusions:Onthebasisofthemorepronouncedradiographicchangesincynomolgusmonkeys,wefavoruseofthisspeciesforfuturestudiesofvaccineefficacy.
机译:BackgroundandPurpose:Qfeverisadiseaseofhumans.Vaccinestopreventthisdiseasehavedemonstratedefficacyinrodentsandmustalsobeevaluatedforefficacyinanonhumanprimatemodel.Preliminarytovaccineefficacyexperiments,cynomolgusandrhesusmonkeyswereevaluatedassuitableexperimentalmodelsofacuteQfever 方法:Bothspeciesofmonkeyswerechallengedwithaerosolized105virulentphase-ICoxiellaburnetiiHenzerlingstrain,andclinicalandserologicresponsesweredetermined 结果:Radiographicchangeswereobservedinsevenofeightmonkeysofbothspecies;然而,changesincynomolgusmonkeystendedtobemoresignificant.Between7and10daysafterchallenge,allrhesusmonkeysand88%ofcynomolgusmonkeyswerebacteremic.SequentialincreasesinantibodyresponsestoC.burnetiiphase-Iandphase-IIwholecellsandphase-Ilipopolysaccharidewereobservedinbothspecies.Althoughthemaximalrectaltemperatureincreasewassimilarinbothspecies,durationoffeverwasslightl 结论:基于更多的发音放射线变化性无糖猴子,我们喜欢使用这种物种。

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