《生物制药专业英语幻灯片.ppt》由会员分享,可在线阅读,更多相关《生物制药专业英语幻灯片.ppt(20页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、生物制药专业英语第1页,共20页,编辑于2022年,星期一In1990therecombinant(重组)expressionvectoroftheexogenousgene(外源基因)wasinjectedintotheskeletalmuscle(骨骼肌)ofmicebyWolff,asaresult,therecombinantexpressionvectorofthegenewasdetectedinonepartofthemusclecells,andexpressionproductofthegeneinducedimmuneresponsetoproducetheantibody
2、.第2页,共20页,编辑于2022年,星期一1、Immune mechanisms of DNA vaccine3、the Immunization of DNA vaccine4、The advantages and disadvantages of DNA vaccine5、The application status of DNA vaccine2、The preparation of DNA vaccine第3页,共20页,编辑于2022年,星期一 Immune mechanisms of DNA vaccine1.第4页,共20页,编辑于2022年,星期一DNA vaccine in
3、vades the organismtranscriptionandtranslationsynthesisofexogenousantigenprotein1、let CD8+T cell differentiate to CTL(Cytotoxic T lymphocyte)and MTC(memory T cells)2、cellular immune response3、humoral immunity(体液免疫)第5页,共20页,编辑于2022年,星期一引自百度百科引自百度百科第6页,共20页,编辑于2022年,星期一 The preparation of DNA vaccine2.
4、第7页,共20页,编辑于2022年,星期一Selectionoftheobjectivegene1、thespecificantigenDNAcodingsequencewithimmunologicalactivity2、correctreadingframe3、whetherthereisrarecodonsandwhetherthesheariscorrectinmammaliancellsandotherfactorsantigeniccharacteristicsantigenpresentationandimmunogenicityimmunogenicity第8页,共20页,编辑
5、于2022年,星期一SelecttheappropriatecarrierThecarrier(载体)mustbeabletoexpressobjectivegeneefficientlyinmammalian(哺乳动物)cells.Resistancegenesusuallywithantibioticsselectasselectivemarker.italsocanintegrate(融合)thegenewhichcanencode(编码)specificproteinonthecarrierasimmuneadjuvant(佐剂)toenhancetheimmuneresponse第9
6、页,共20页,编辑于2022年,星期一ExpressionvectorofconstructionConnecttheobjectivegeneandcarrier,constructarecombinant,selecttheappropriatehostamplified(扩增)recombinant,Aftertheextractionyieldrecombinantsusingionexchangechromatography(离子交换层析)forpurification(纯化),cangettherecombinantDNAvaccine第10页,共20页,编辑于2022年,星期一
7、the Immunization of DNA vaccine3.第11页,共20页,编辑于2022年,星期一InjectionofimmunepathwayIntramuscular(肌肉的)injection:Theadvantageofthismethodissimpleandeasy,butantigenpresentingabilityisweakbecauseofmuscletissuelackofimmunecells.Subcutaneous(皮下的)orintradermal(皮肤内的)injection:Theskincontainsalotofimmunecells,im
8、muneresponseisstrongest,butdurationisnottoolong.epidermalscratch(皮肤划痕)andintraperitonealinjection(腹腔注射)第12页,共20页,编辑于2022年,星期一Particlebombardment(基因枪法)Throughthegenegundevicesinjectgoldparticle(颗粒)whichcontainpreparedobjectiveDNA,thismethodissimpleandhighsafety.引自百度百科引自百度百科第13页,共20页,编辑于2022年,星期一Skina
9、ndmucosalimmunitySkinimmuneisthenakedplasmidDNAorcationicliposome(阳离子脂质体)DNAcomplexesonthesurfaceoftheskin.PlasmidDNAisabsorbedintotheskinandeventheskincellsbyskinsweatglands(汗腺)、hairfollicles(毛囊)andthetinycleft(裂缝)ofskin.Themucosal(粘膜的)immuneisthroughintranasalinhalation(鼻腔吸入)、nasaldrops(滴鼻)、rectal
10、administration(直肠内给药)、eyedrops(滴眼)、takingorally(口服)andintraoralinjection(口内喷射)tovaccinate.第14页,共20页,编辑于2022年,星期一 The advantages and disadvantages of DNA vaccine4.第15页,共20页,编辑于2022年,星期一TheadvantagesofDNAvaccine1.Avoidthe cross phenomenon2.Avoid potentialrisk and the incomplete of immune response 3.Av
11、oid the high cost,highdemand and low volume deficiency 4.Save for a long time,easy processing,convenienttransportation 5.theimmune responsecan last long time,evencanhave lifelongimmunity 第16页,共20页,编辑于2022年,星期一AlthoughtheDNAvaccineistheproductofartificialdesign(人工设计),buttherearesomeproblemstobesolved
12、.Asakindofgeneregulationmeans,DNAvaccinemustcarryforeigngenes,afterexogenousgeneintothebody,Thereexiststhepossibilityofactivationofhostendogenous(内源性)oncogenes(原癌基因)orinactivationoftumorsuppressorgenes(抑癌基因)inhost.ThedisadvantagesofDNAvaccine第17页,共20页,编辑于2022年,星期一 The application status of DNA vacci
13、ne5.第18页,共20页,编辑于2022年,星期一Atpresent,theFoodandDrugAdministration(FDA)hasapprovedtheEbolavirus(埃博拉病毒),malaria(疟疾),AIDSandcancerandotherDNAvaccinesinclinicalobservationandhasbeenformallyapprovedorconditionallyapprovedforclinicaluseofvaccineare3types:MasiniLovirusDNAvaccine(马西尼罗病毒DNA 疫苗),salmoninfectioushemorrhagicnecrosisvirusDNAvaccine(鲑鱼传染性出血坏死病毒DNA 疫苗)andthedogmelanomaDNAvaccine(狗黑素瘤DNA 疫苗).第19页,共20页,编辑于2022年,星期一Thank you!第20页,共20页,编辑于2022年,星期一