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J2 monoclonal antibody (mAb), mouse, IgG2a, kappa chain
J2单克隆抗体(mAb),小鼠,IgG2a,kappa链

J2单克隆抗体,IgG2a亚型,是抗dsRNA的单克隆抗体,它已经成为检测dsRNA的黄金标准。J2抗体最初用于检测植物病毒,后来,2006年Weber et al这篇论文中表明,J2抗体可以检测到感染细胞内所有正链RNA病毒产生的大量双链RNA(dsRNA)。因此J2抗体被广泛应用于这一检测领域,发表文章达200多篇。
J2抗体可以检测病毒的dsRNA 中间体,如丙型肝炎病毒,登革热病毒、鼻病毒、基孔肯雅热病毒、狂犬病病毒、脊髓灰质炎病毒、猪瘟病毒、雀麦草花叶病毒等等。J2抗体的将测样本可以是培养的细胞,也可以是石蜡包埋组织。
J2抗体可以应用于电镜学、免疫荧光显微技术、免疫组化及各种捕捉实验,如斑点免疫印迹和ELISA实验。J2抗体是检测未知病原体是细菌或是病毒的诊断工具。最近,J2抗体被用来监测准备体外合成mRNA时dsRNA的消除,这对于基因治疗有潜在的应用价值。
应用实例

Antibody J2 reveals the colocalisation of dsRNA (labelled in green) and Hepatitis C virus core protein (labelled in red), indicating the location of putative virus assembly sites (arrows).
产品信息
| 货号 | 产品名称 | 规格 |
| J2-1406 | J2 anti-dsRNA IgG2a monoclonal antibody | 200ug/500ug |
参考文献
Schönborn, J., Oberstrass, J., Breyel, E., Tittgen, J., Schumacher, J. and Lukacs, N. (1991) Monoclonal antibodies to double-stranded RNA as probes of RNA structure in crude nucleic acid extracts. Nucleic Acids Res.19, 2993-3000.
Lukacs, N. (1994) Detection of virus infection in plants and differentiation between coexisting viruses by monoclonal antibodies to double-stranded RNA. J. Virol. Methods 47, 255-272.
Lukacs, N. (1997) Detection of sense:antisense duplexes by structure-specific anti-RNA antibodies. In: Antisense Technology. A Practical Approach, C. Lichtenstein amd W. Nellen (eds), pp. 281-295. IRL Press, Oxford.
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