antigenic造句

• Methods employed to prepare vaccine include rumor cells genetically modified with cytokines , costimulatory molecules and tumor antigenic peptides , dendritic cells ( dc ) primed with tumor antigens in vitro or genetically modified with tumor antigens , or fusion of tumor cells with antigen presenting cells ( apc )
  现有的比较受到关注的制备肿瘤疫苗的方法有各种细胞因子、共刺激分子、肿瘤抗原肽等基因修饰的肿瘤细胞疫苗；体外抗原致敏的或肿瘤抗原肽基因修饰的树突状细胞疫苗；肿瘤细胞与抗原递呈细胞融合疫苗等。
• The antigenic and genetic variability of porcine reproductive and respirators syndrome virus ( prrsv ) isolates in china were studied by immunofluoresent monolayer assays ( 1fma ) and restriction fragment length polymorphism ( rflp ) of reverse transcription ( rt ) and polymerases chain reaction ( pcr ) amplified - prrsvorfs fragments among 8 chinese isolates
  本研究通过对猪繁殖与呼吸综合征病毒( prrsv )国内分离毒株的gp3 、 gp5和n蛋白的抗原性比较及其orf5和orf7遗传变异性分析，系统研究了国内分离毒株的抗原特性和遗传学差异。
• The result further proposed that different genotypes of ndv had not directed the antigenic changes of f protein , the most important protein of ndv in the protective immune response of the fowls . protective efficacy difference among various genotype ndv vaccines of different origin was studied . except the vaccine strain lasota ( genotype ii ) , the challenge strain f48e8 in china , the ndv strains tested were isolated from nd outbreaks in chickens , gooses , and pigeons
  通过不同来源不同基因型(亚型) ndv灭活苗与常规疫苗(包括lasota弱毒活疫苗和灭活疫苗)的免疫保护效力的比较，证实了所有疫苗均能激发机体产生抗不同基因型ndv的抵抗力， hl抗体变化都具有一个抗体滴度迅速上升的过程，动态特征除lasota弱毒活疫苗组有些不同外相当一致。
• One was cloning , sequence analysis and expression of the fragment containing the b and c antigenic sites locating at the 5 " terminus in spike gene of tgev in prokaryotic expression system ( fused with gst ) , the other was preparation of non - radioactive probe labeled by digoxigenin for detecting the rna extracted from tgev by assay of dot - blot
  为了鉴别诊断tgev与prcv及对tgev进行流行病学调查，本研究采用原核表达系统( gst融合表达系统)表达tgev纤突蛋白( s蛋白)中含有b和c抗原位点的多肽，并且制备了非放射性地高辛标记的核酸探针，通过斑点杂交( dot - blot )检测tgev核酸rna 。
• The result shows that a vvibdv strain was obtained , the above work lay a important role for further studying on the molecular biological mechanism of antigenic drift and virulence variation of ibdv , molecular epedimiology , it also provided the basis for recombinant and gene deleted vaccine of ibdv
  本实验可以帮助我们进一步探讨ibdv抗原性漂移和毒力变化的分子生物学机制，追溯ibdv的起源，理解病毒的传播方式。同时也为研制开发基因重组疫苗和缺失疫苗打下一定的基础。