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【热门产品推介】InVivoMAb Anti-BRSV G/Major surface glycoprotein G Antib

2023-08-07 10:56 作者:AtaGenix-普健生物  | 我要投稿

货号:VVV25001

产品链接:http://www.antibodysystem.com/product/14666.html

寄主物种:Mouse

物种反应性:Bovine respiratory syncytial virus (strain 220-60) (BRS)

形式:Liquid

存储缓冲区:0.01M PBS, pH 7.4.

浓度:1 mg/ml

纯度:>95% by SDS-PAGE.

克隆性:Monoclonal

种型:IgG2a

应用:Neutralization

储存:Use a manual defrost freezer and avoid repeated freeze-thaw cycles.Store at +4°C short term (1-2 weeks).Store at -20 °C 12 months. Store at -80°C long term.

参考文献:

Serological and genetic characterisation of bovine respiratory syncytial virus (BRSV) indicates that Danish isolates belong to the intermediate subgroup: no evidence of a selective effect on the variability of G protein nucleotide sequence by prior cell culture adaption and passages in cell culture or calves. PMID: 9791873
Recognition of bovine respiratory syncytial virus proteins by bovine CD8+ T lymphocytes. PMID: 12562331
Antigenic diversity of respiratory syncytial viruses and its implication for immunoprophylaxis in ruminants. PMID: 8116189
An intranasal recombinant NDV-BRSV Fopt vaccine is safe and reduces lesion severity in a colostrum-deprived calf model of RSV infection. PMID: 36581658
Bovine respiratory syncytial virus infection. PMID: 17257568
Occurrence and phylogenetic analysis of bovine respiratory syncytial virus in outbreaks of respiratory disease in Norway. PMID: 24423030

HRSV主要导致急性下呼吸道感染,常见症状为咳嗽、咯痰、喘憋和发热及呼吸音异常,严重者会出现哮喘综合征、呼吸道阻塞、肺不张甚至窒息死亡,个别患儿会出现皮疹、弥漫性红斑等并发症。婴幼儿中死亡率较高的主要是早产儿、先天性心脏病等患者,老年人中为慢性肺疾病以及免疫缺陷患者。HRSV主要通过飞沫传播或经污染的手和物体表面传播,经口、鼻感染,潜伏期为3~7 d。

HRSV物理稳定性极差,在体外组织细胞中培养较难,新鲜标本、床边接种可以提高分离率。咽拭子、痰液等呼吸道标本均可用于HRSV培养分离,避免反复冻融防止降解。常用细胞系为喉癌细胞(Hep-2)、人Ⅱ型肺泡上皮细胞(A549)、人宫颈癌细胞系(HeLa)细胞。培养条件33~35 ℃,静止或旋转培养均可。因野生型强毒株在体外细胞组织中容易形成融合病变,因此通常使用噬斑法和微量细胞病变法对病毒进行滴定。病毒分离培养时,在病毒载量较低时很难引起细胞病变,第一代细胞病变往往不典型,容易造成假阴性的误判;盲传后在5 d内可出现细胞融合等典型病变,但细胞分离培养阳性具有较强的可信度。

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