Porcine Immunoglobulin Fc Fused P30/P54 Protein of African Swine Fever Virus Displaying on Surface of S. cerevisiae Elicit Strong Antibody Production in Swine
Porcine Immunoglobulin Fc Fused P30/P54 Protein of African Swine Fever Virus Displaying on Surface of S. cerevisiae Elicit Strong Antibody Production in Swine作者机构:School of Life SciencesTianjin UniversityTianjin 300072China
出 版 物:《Virologica Sinica》 (中国病毒学(英文版))
年 卷 期:2021年第36卷第2期
页 面:207-219页
核心收录:
学科分类:090602[农学-预防兽医学] 09[农学] 0906[农学-兽医学]
基 金:supported by the National Key Research and Development Program of China (2018YFD0500500)
主 题:African swine fever virus(ASFV) S.cerevisiae Porcine immunoglobulin Fc P30-Fcγ/P54-Fcαfusion proteins
摘 要:African swine fever virus(ASFV)infects domestic pigs and European wild boars with strong,hemorrhagic and high *** primary cellular targets of ASFV is the porcine *** to now,no commercial vaccine or effective treatment available to control the *** this study,three recombinant Saccharomyces cerevisiae(***)strains expressing fused ASFV proteins-porcine Ig heavy chains were constructed and the immunogenicity of the ***-vectored cocktail ASFV feeding vaccine was further *** be specific,the P30-Fcγand P54-Fcαfusion proteins displaying on surface of *** cells were produced by fusing the Fc fragment of porcine immunoglobulin IgG1 or IgA1 with p30 or p54 gene of ASFV *** recombinant P30-Fcγand P54-Fcαfusion proteins expressed by *** were verified by Western blotting,flow cytometry and immunofluorescence *** immunoglobulin Fc fragment fused P30/P54 proteins elicited P30/P54-specific antibody production and induced higher mucosal immunity in *** absorption and phagocytosis of recombinant *** strains in IPEC-J2 cells or porcine alveolar macrophage(PAM)cells were significantly enhanced,***,we introduce a kind of cheap and safe oral ***-vectored vaccine,which could activate the specific mucosal immunity for controlling ASFV infection.