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20146413JIntPharmRes,Vol.41,No.3,June,2014Fab刘美君1,高向东1,徐晨2[],Fab(Fabs),、,Fab。,()Fab,,Fab。6FabFDA,Fab。Fab、Fab、、。[]Fab;;;Fabs;[]R915.2[]A[]1674-0440(2014)03-0318-08DOI:10.13220/j.cnki.jipr.2014.03.011ResearchadvancesonFabsantibodiesLIUMei-jun1,GAOXiang-dong1,XUChen2(1.SchoolofScience&Technology,ChinaPharmaceuticalUniversity,Nanjing210009,China;2.BeijingTri-primeGeneticEngineeringCo.Ltd.,Beijing102600,China)[Abstract]Ingeneticengineeringantibodies,Fabsantibodieshavemanyadvantages,suchaslowerrelativemolecularmass,specifictissuedistributionandlowerimmunogenicity,whichhavemadeFabsantibodiestheresearchhotspotforthepastfewdecades.Besidesthewidelyusedenzymaticgeneration,multipleexpressionsystemswhichincludeE.coli.andinsectsareusedinthegenerationofFabsantibodies.E.coli.expressionsystemismostthoroughlyexploredandhasbeenusedinthepreparationofclinicalFabsdrugs.TherearesixFabdrugsthathavebeenapprovedbyFDA,suchascertolizumabpegolandmanyFabsarestillinclinicalresearch.ThisreviewdiscussestherecentresearchprogressofFabsdrugs,includingFabs′structureandcharacteristics,thegenerationandexpressionofFabs,strategiestoincreaseproductionandclinicalapplications,withtheemphasisongeneration,expressionandclinicalapplications.[Keywords]Fabsantibody;papain;E.coli;Fabsdrugs;clinicalapplication:,,,:,E-mail:liumeijunzi@126.com:1.210009,(,);2.102600,():,,,,:,Tel:010-61273095,E-mail:xuchen@triprime.com1988Skerra,,,。,,DNA,、3———。。:Fab(antigenbindingfragments,Fab、Fab′、F(ab′)2、(scFv)、(SDA)、(BsAb)、(diabody)、(triabody)(minibody)。Fab,,19958Fab[1],2010,49%Fab[2]。,6FabFDA,。Fab,、、,Fc,,Fab。Fab,Fab,Fab、,。1Fab(IgG),IgG125×104318··20146413JIntPharmRes,Vol.41,No.3,June,201422.5×104(1)。Fab(VL-CL)(VH-CH1;Fd),5×104,VL-VHCL-CH1CLCH1Fab。FabIgG6(complementaritydeterminingregions,CDR),(VL;LCDR1,LCDR2,LCDR3)(VH;HCDR1,HCDR2,HCDR3),。,2β-,CDR,,,CDR[3]。Fab,(murine)、(chimeric)、(humanized)(humanmonoclonalantibody)4,,,DNA。Fab,FabCDR。IgG,Fab:Fc、、、、、、、,Fab[3]。2Fab、Fab,Fab;Fab,、、、,(E.coli)。。2.1,3:、[4]。IgGFab。FDAFab,IgG,(abciximab)、(arcitumomab)、FabFab。。,。[5]Fab,pH、、IgG,,IgG>98%。[6]F(ab′)2,37℃,pH4.14.5h,F(ab′)2。,(、),。,,,。[7],,,N-(N-)(NHS-PNIPAM),,,NHS-PNIPAMpH、1FabIgG1F(ab′)2Fab′319··20146413JIntPharmRes,Vol.41,No.3,June,2014、,。,NHS-PNIPAM,,,。Sahoo[8],3-()(),PBS(pH7.4),,,,。Homaei[9],。———,;-;,;,,。,Fab,Fab,,,,AFab,Fab。2.2Fab,。、、、,E.coli,E.coli(Fab、ScFv、Fv),(IgG)[10]。E.coliFab,、、、、,。,、。2.2.1FabFab′41,Fab。E.coli,,-(2)。FabE.coli15~30,Fab。E.coli(A,OmpA)(PhoA),B(pelB)。Fab,OmpApelB,Better[11]pelBFabE.coli。pelBOmpA,pelB+-OmpA+Fab[12]。,,,Fab。Fab,Fab,,E.coli(trxB,gor),Fab,FabE.colitrxBgor。2FabE.colitrxBgor,210~30mg/L。,NovagenFA113Origami,Fab,,[13]。Lobstein[14]E.coliShuffle,trxBgorSMG96DsbC,Shuffle。DsbC,Shuffle。E.colitrxBgor。2.2.2,Fab,Fab2Fab(E.coli)[3]320··20146413JIntPharmRes,Vol.41,No.3,June,2014,。FabFab,FabFab。,E.coliFab。E.coliFab0.1~10mg/L[3]。Ukkonen[15],、、,Fab。,,Fab,250r/min2%~17%,150r/min75%;,250r/minFab150r/min5~9,Fab10%20%~90%;Fab。Escarlata[16]3H6FabE.coli,,Fab,37℃40%,30℃70%。Fab,FabFab。2.2.3E.coliFab,E.coli,,,,[17]。,Fab,E.coli,Fab,。2.3FabE.coli,Fab,Fab。,,、。FabE.coli。,,,,。Jalalirad[18]Fab,4h,Fab47mg/L,6h,Fab78mg/L,Fab,Fab,Fab;,,25℃37℃,,Fab,[19]。,DNAFab,Fab,Fab、、[3]。,FabCE.coliFab′,Fab′F(ab′)2。,,,E.coli。Levy[20]FabFkpA,,FkpAING1Fab(EpCAM)XPA23Fab(IL1β)。Schlapschy[21],2/FkpASurA,,。Lin[22]SkpFab59,Fab59,E.coliFab59100,3.5mg/L。Fab。2.4Fab,。,FabC()Fab[23]。Fab,DNA,。,E.coliFab,DNA,。Nesbeth[24],Fab321··20146413JIntPharmRes,Vol.41,No.3,June,2014,0.7g/L;,Fab8~10h,。2.56D9Fab,p10,gp64BTI-TN-5B1-4(HighFive),,WesternELISA,,HighFiveSf9Fab,Fab600mg/L,-Fab[25]。,。Fab。mRNADNA,。,,、Fab。Oh[26]E.coliAB(BoNT/B)Fab。(GroEL/ES)Fab。,30mg/L。,Fab。,,FabFab。CD4Fab,,10μgFab[27]。Fab,Fab,、Fab。Fab,Fab。,Fab[28]。3FabFabIgG,Fab:①,,;②Fab,,,。FabFc,,。Fab,Fab。Fab,Fab、。Fab,,、、。12Fab。5Fab,5Fabs,,。FDAFab。3.1(metuximab)-131ICD147F(ab)2,。(naptumomabestafenatox)ActiveBiotech5T3FabA,。20132,α/,,,[29]。,1(LMP1)Fab(HLEAFab-MMC),Zhang[30]39,HLEAFab-MMC。PentaceaFab,,,,。ZD-2767CF(ab′)2G2,,。3.2(certolizumabpegol,Cimzia)322··20146413JIntPharmRes,Vol.41,No.3,June,2014FDA,,TNF-α。,TNF-α。Fab′,PEG。PEG2[31],IgG,Fc,。3.31994FDAFab。αbβ3,,,。/IgG1,。3.4FabFabFDA2Fab。Fab,4Fab,IgG,,,2000FDA。FabFab,。Fab[32]。FabF(ab′)2IgG,。F(ab′)2,。3.5(ranibizumab,Lucentis)FDA2006Fab,。,-A(vascularendothelialgrowthfactor,VEGF-A)Fab,VEGF-AIgG1Fab。Ferrara[33],HCDR1HCDR3,VEGF-A,。Fab:,,Fab;,(IgG),IgG,Fab。,Fab。3.6Fab,IgG1,Fab′。99mTcFab′,4h。Fab、Fab′F(ab′)2FDA,Fabγ111Inγ99mTc。IgG,,。Fab(CDR-Fab),,,。4,Fab,。Fab,E.coliFab,Fab,Fab。,,,E.coli、、Fab。FDA,,,,Fab,。,、、-、/323··20146413JIntPharmRes,Vol.41,No.3,June,2014(nanobody)。,Fab,。,、、Fab,、。【】[1]NelsonAL,ReichertJM.Developmenttrendsfortherapeuticantibodyfragments[J].NatBiotechnol,2009(27):331-337.[2]NelsonAL.Antibodyfragments:hopeandhype[J].mAbs,2010,2(1):77-83.[3]RaderC.OverviewonconceptsandapplicationsofFabantibodyfragments[J].CurrProtocProteinSci,2009(55):691-694.[4]CarterPJ.Potentantibodytherapeuticsbydesign[J].NatRevImmunol,2006(6):343-357.[5],,,.GFabFc[J].,2013,64(5):1750-1756.[6],,,.F(ab′)2[J].,2013,35(3):317-320.[7],,,.HCG[J].,2013,20
本文标题:Fab类抗体的研究进展
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