疯牛病和CJD北京友谊医院神经内科北京友谊医院神经内科神经神经(shénjīng)(shénjīng)病毒室病毒室王得新王得新第一页,共一百零九页。内容(nèiróng):疯牛病(牛海绵样脑病)--为什么对动物和人类构成威胁?关于(guānyú)朊病毒(Prion)的研究Creutzfeldt-Jakob病的影像学诊断可传播性海绵样脑病的药物治疗进展第二页,共一百零九页。疯牛病(牛海绵(hǎimián)样脑病)--为什么对动物和人类构成威胁?第三页,共一百零九页。TransmissibleSpongiformEncephalopathies(TSEs)AnimalHumanScrapie—sheep/goatKuruTME—minkCJD—sporadicCWD—maledeer/elkfamilyiatrogenicvariantBSE—cattleGSSexoticungulatesFFIFSE第四页,共一百零九页。可传播性海绵(hǎimián)样脑病的特征长潜伏期--恒定的致死性疾病病因(bìngyīn)性病原(朊病毒)--不能被现有消毒灭菌手段灭活血清学试验不能证实这种感染在潜伏期内感染可以在组织中存在(扁桃腺、脾脏、淋巴组织)第五页,共一百零九页。英国(yīnɡɡuó)BSE流行情况第六页,共一百零九页。BSE在欧盟国家(guójiā)发生情况0501001502002503003504004505001987198819891990199119921993199419951996199719981999200020010500010000150002000025000300003500040000countrieswithcasesbefore2000Francecountrieswithfirstcasesin2000SwitzerlandUK第七页,共一百零九页。FIRSTCASESOFBSEUnitedKingdomIrelandSwitzerlandPortugalFranceNetherlandsBelgiumLuxembourgLiechtenstein19861990199419982000ItalyCzechRepGreeceSlovakRepJapanSloveniaAustriaFinlandDenmarkSpainGermany第八页,共一百零九页。NUMBEROFBSECASESINTHEWORLD18204893361257041316810673593285322211111101001000100001000001000000countrylognoofcases第九页,共一百零九页。BSE发病(fābìng)例数英国:182779爱尔兰:1070法国:707葡萄牙:688欧盟仅瑞典未发现BSE日本(rìběn):5(根据新闻报道)第十页,共一百零九页。英国出口牛及牛制品(zhìpǐn)情况1979-19950500010000150002000025000300003500019791980198119821983198419851986198719881989199019911992199319941995EUNon-EUcountries第十一页,共一百零九页。欧盟对存在(cúnzài)BSE国家分类评估GeographicalBSErisk,GBRGBRlevelRiskIHighlyunlikelyIIUnlikelybutnotexcludedIIILikelybutnotconfirmedorconfirmedatalowerle...