埃博拉病毒包膜糖蛋白研究进展Research Progress on Ebola Virus Glycoprotein
丁国永,王志玉,高璐,姜宝法
摘要(Abstract):
埃博拉病毒可引起人类高致命性流行性出血热暴发,至今没有预防和治疗的疫苗和药物。作为埃博拉病毒包膜唯一的表面蛋白,包膜糖蛋白是一种多功能蛋白质,在病毒的吸附和穿入宿主细胞、致病性、下调宿主细胞表面蛋白质表达和增加病毒装配和出芽过程中起着至关重要的作用;同时包膜糖蛋白是保护性免疫的主要目标,是诱导产生中和抗体的最理想抗原。本文就近五年埃博拉病毒包膜糖蛋白的基因结构、致病机制和免疫原性方面的研究进展做简要回顾。
关键词(KeyWords): 埃博拉病毒;包膜糖蛋白;致病机制;免疫原性
基金项目(Foundation): 国家重大科学研究计划(编号2012CB955502)
作者(Author): 丁国永,王志玉,高璐,姜宝法
DOI: 10.13242/j.cnki.bingduxuebao.002370
参考文献(References):
- [1]Pourrut X,Kumulungui B,Wittmann T,et al.Thenatural history of Ebola virus in Africa[J].MicrobesInfect,2005,7(7-8):1005-1014.
- [2]Towner J S,Sealy T K,Khristova M L,et al.Newlydiscovered ebola virus associated with hemorrhagic feveroutbreak in Uganda[J/OL].PLoS Pathog,2008,4(11):e1000212.
- [3]Usami K,Matsuno K,Igarashi M,et al.Involvementof viral envelope GP2in Ebola virus entry into cellsexpressing the macrophage galactose-type C-type lectin[J].Biochem Biophys Res Commun,2011,407(1):74-78.
- [4]Ascenzi P,Bocedi A,Heptonstall J,et al.Ebolavirusand Marburgvirus:insight the Filoviridae family[J].Mol Aspects Med,2008,29(3):151-185.
- [5]Falzarano D,Krokhin O,Wahl-Jensen V,et al.Struc-ture-function analysis of the soluble glycoprotein,sGP,of Ebola virus[J].Chembiochem,2006,7(10):1605-1611.
- [6]Lee J E,Fusco M L,Hessell A J,et al.Structure ofthe Ebola virus glycoprotein bound to an antibody froma human survivor[J].Nature,2008,454(7201):177-182.
- [7]Reynard O,Borowiak M,Volchkova V A,et al.Ebolavirus glycoprotein GP masks both its own epitopesand the presence of cellular surface proteins[J].J Vir-ol,2009,83(18):9596-9601.
- [8]Yang Z,Delgado R,Xu L,et al.Distinct cellular inter-actions of secreted and transmembrane Ebola virusglycoproteins[J].Science,1998,279(5353):1034-1037.
- [9]Geisbert T W,Feldmann H.Recombinant vesicularstomatitis virus-based vaccines against Ebola and Mar-burg virus infections[J].J Infect Dis,2011,204Suppl3:S1075-1081.
- [10]Lee J E,Saphire E O.Ebolavirus glycoprotein struc-ture and mechanism of entry[J].Future Virol,2009,4:621-635.
- [11]Wang J,Manicassamy B,Caffrey M,et al.Character-ization of the receptor-binding domain of Ebola glyco-protein in viral entry[J].Virol Sin,2011,26(3):56-70.
- [12]Hunt C L,Lennemann N J,and Maury W.Filovirusentry:a novelty in the viral fusion world[J].Viruses,2012,4(2):258-275.
- [13]Dube D,Schornberg K L,Shoemaker C J,et al.Celladhesion-dependent membrane trafficking of a bindingpartner for the ebolavirus glycoprotein is a determinantof viral entry[J].Proc Natl Acad Sci U S A,2010,107(38):16637-16642.
- [14]Hunt C L,Kolokoltsov A A,Davey R A,et al.TheTyro3receptor kinase Axl enhances macropinocytosisof Zaire ebolavirus[J].J Virol,2011,85(1):334-347.
- [15]Nanbo A,Imai M,Watanabe S,et al.Ebolavirus isinternalized into host cells via macropinocytosis in aviral glycoprotein-dependent manner[J/OL].PLoSPathog,2010,6(9):e1001121.
- [16]Mulherkar N,Raaben M,de la Torre J C,et al.TheEbola virus glycoprotein mediates entry via a non-clas-sical dynamin-dependent macropinocytic pathway[J].Virology,2011,419(2):72-83.
- [17]Carette J E,Raaben M,Wong A C,et al.Ebola virusentry requires the cholesterol transporter Niemann-PickC1[J].Nature,2011,477(7364):340-343.
- [18]C^otéM,Misasi J,Ren T,et al.Small molecule inhibi-tors reveal Niemann-Pick C1is essential for Ebola virusinfection[J].Nature,2011,477(7364):344-348.
- [19]Brecher M,Schornberg K L,Delos S E,et al.Cathep-sin cleavage potentiates the Ebola virus glycoprotein toundergo a subsequent fusion-relevant conformationalchange[J].J Virol,2012,86(1):364-372.
- [20]Gregory S M,Harada E,Liang B,et al.Structure andfunction of the complete internal fusion loop fromEbolavirus glycoprotein 2[J].Proc Natl Acad Sci U SA,2011,08(27):11211-11216.
- [21]Harrison J S,Higgins C D,Chandran K,et al.Designed protein mimics of the Ebola virus glycoproteinGP2α-helical bundle:stability and pH effects[J].Protein Sci,2011,20(9):1587-1596.
- [22]Bale S,Liu T,Li S,et al.Ebola virus glycoproteinneeds an additional trigger,beyond proteolytic primingfor membrane fusion[J/OL].PLoS Negl Trop Dis,2011,5(11):e1395.
- [23]Francica J R,Matukonis M K,Bates P.Requirementsfor cell rounding and surface protein down-regulationby Ebola virus glycoprotein[J].Virology,2009,383(2):237-247.
- [24]Francica J R,Varela-Rohena A,Medvec A,et al.Steric shielding of surface epitopes and impairedimmune recognition induced by the ebola virus glyco-protein[J/OL].PLoS Pathog,2010,6(9):e1001098.
- [25]Reynard O,Borowiak M,Volchkova V A,et al.Ebolavirus glycoprotein GP masks both its ownepitopes and the presence of cellular surface proteins[J].Virol,2009,83(18):9596-9601.
- [26]Alazard-Dany N,Volchkova V,Reynard O,et al.Ebola virus glycoprotein GP is not cytotoxic whenexpressed constitutively at a moderate level[J].J GenVirolm,2006,87(Pt 5):1247-1257.
- [27]Lopez L A,Yang S J,Hauser H,et al.Ebola virusglycoprotein counteracts BST-2/Tetherin restriction ina sequence-independent manner that does not requiretetherin surface removal[J].J Virol,2010,84(14):7243-7255.
- [28]Yu J S,Liao H X,Gerdon A E,et al.Detection ofEbola virus envelope using monoclonal and polyclonalantibodies in ELISA,surface plasmon resonance and aquartz crystal microbalance immunosensor[J].J VirolMethods,2006,137(2):219-228.
- [29]Qiu X,Alimonti J B,Melito P L,et al.Characteriza-tion of Zaire ebolavirus glycoprotein-specific mono-clonal antibodies[J].Clin Immunol,2011,141(2):218-227.
- [30]Wauquier N,Becquart P,Gasquet C,et al.Immuno-globulin G in Ebola outbreak survivors,Gabon[J].Emerg Infect Dis,2009,15(7):1136-1137.
- [31]Shedlock D J,Bailey M A,Popernack P M,et al.Antibody-mediated neutralization of Ebola virus can oc-cur by two distinct mechanisms[J].Virology,2010,401(2):228-235.
- [32]Ou W,Delisle J,Konduru K,et al.Development andcharacterization of rabbit and mouse antibodies againstebolavirus envelope glycoproteins[J].J Virol Meth-ods,2011,174(1-2):99-109.