免疫学发展史History.ppt
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免疫学发展史History.ppt
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1,TheHistoryofImmunology,Jr.Hons.ImmunologyB.Sc.D.I.Stott,“Hewhoignoreshistoryisdoomedtorepeatit.”,2,StagesofImmunology,DescriptiveearlyperiodEarlyattemptsatvaccination:
SmallpoxEarlyexperiments:
BacteriacausediseaseHumoralv.cellularimmunitySelectivev.instructivetheoriesofI.R.Themolecularrevolutionpresent,3,DescriptiveEarlyPeriod,Plagues&pandemics,esp.bubonicplague(Pasteurellapestis)&smallpox.Causesofdiseaseunknownuntil19thC.Thoughttobecausedbypoisons=“virus”(latin).Thucydides(5thC.B.C.):
peoplewhorecovered-immune,4,EarlyAttemptsatImmunisation,MithradatesVI(AnatolianKing)tookincreasingdailydosesofpoisons.ImmunisationagainstSmallpox:
-Chinese:
driedmatterfrompustulesinsertedinnostrils.Turks:
usedvariolation,henceVariolaVirus.,5,ASmallpoxVictim,6,ImmunisationagainstSmallpox
(1)Variolation,Early18thC.:
LadyMaryWortleyMontagu(wifeofBritishAmbassador,Constantinople)inoculatedownchildren.“TheRoyalExperiment”GeorgeIpardoned7criminals:
inoculated;1laywithsmallpoxvictimeverynighttoend.Allrecovered.Repeatedwith6morecriminals+5orphans.Then2daughtersofPrince&PrincessofWalesinoculated,hencebecamepopular.,7,ImmunisationagainstSmallpox
(2)Vaccination,Endof18thC.:
EdwardJennerInoculated7subjectswithcowpox.2challengedwithsmallpox.AllO.K.Cowpox=Vacciniavirus,hencevaccinationgeneralterm.,8,EdwardJennerinoculatingJamesPhippswithcowpox,9,10,ImmunisationagainstSmallpox(3)WHOProgramme,1978:
WHOProgrammecompleted.,Smallpoxcompletelyeradicatedworldwide.,11,19thC.:
Bacteriacausedisease,RobertKoch&LouisPasteurestablishedbacteriaascauseofdiseases.Pasteur:
Injectedanimalswithliveattenuatedmicoorganismsimmunityv.chickencholera,anthrax,rabies.,12,WarsofTheCellsandAntibodies,CellularTheory:
ElieMetchnikoffPhagocytesinstarfishlarvaesurroundasplinter;phagocytosis&digestionofbacteriabyMs&polymorphsPhagocyticTheory(innateimmunity).G.B.Shaw,“TheDoctorsDilemma”:
“.stimulatethephagocytes”.HumoralTheory:
Koch,Ehrlichetal.(Berlin)Showedserumfromimmunisedanimalskillsbacteria.,13,IlyaMetchnikoff,14,HumoralImmunity,Bordetdiscoveredcomplement.Behring&Kitasatoimmunitytodiphtheria&tetanusduetoAbs.v.toxins.Passivetf.ofimmuneserumprotection=1stimmunotherapy.,15,16,WarsofTheCellsandAntibodies:
Truce,SirAlmothWright&Douglas-OpsonisationofbacteriabyAbs.AttemptedfusionofCellularandHumoralTheories“SirAlmostRight”.Littleprogressincellularimmunologyfor50years(unfashionable).,17,20thC:
HowareAbs.made?
Selectivev.InstructiveTheories,AreAbspre-made(selective)or“moulded”byag(instructive)?
EhrlichsSideChainTheory(selective)Pauling-InstructiveTheorySirMacFarlaneBurnetClonalSelectionTheory.,18,19,ChemicalapproachtoAbs.&Ags.,Landsteiner:
Specificitybloodgroupags.AbsasproteinsPorter&Edelman:
1stDescriptionofstructureofIgG,20,R.R.Porter,21,ReturntoCellularTheories,(InparallelwithstudiesofAbs.)Humoralimmunitycannotexplaingraftrejection,tolerance,immunitytoviruses.MedawartolerancetoskinallograftsRoleofT-cells:
Thcells(T-Bcellcooperation),Tccells(killvirusinfectedcells).Zinkernagel&DohertyTcrecogniseag.boundtoMHC,22,1975present:
TheMolecularRevolution
(1),Khler&Milstein:
MonoclonalAbs,NobelPrize1984,23,1975present:
TheMolecularRevolution
(2),TonegawageneticbasisofAbvariabilityPCR&genecloningtechniques+Mabs.identification,structure&functionofIg&TCRgenes,cellsurfaceags.&cytokines.,24,1975present:
TheMolecularRevolution(3),Geneticmanipulation:
GeneK.O.andtransgenicmiceenablestudyofeffectsofmolecularcomponentsofI.S.,signallingpathwaysetc.ApplicationstoDisease:
MAbsfordiagnosisgenetherapy,
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