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Penicillin/streptomycin

青霉素/链霉素

Company: PAN-Seratech
Catalog#: P06-07100
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An Optimized Method for the Production Using PEI, Titration and Neutralization of SARS-CoV Spike Luciferase Pseudotypes
Author:
Date:
2017-08-20
[Abstract]  The protocol outlined represents a cost-effective, rapid and reliable method for the generation of high-titre viral pseudotype particles with the wild-type SARS-CoV spike protein on a lentiviral vector core using the widely available transfection reagent PEI. This protocol is optimized for transfection in 6-well plates; however it can be readily scaled to different production volumes according to application. This protocol has multiple benefits including the use of readily available reagents, consistent, high pseudotype virus production Relative Luminescence Units (RLU) titres and rapid generation of novel coronavirus pseudotypes for research into strain variation, tropism and immunogenicity/sero-prevalence. [摘要]  概述的方案代表了使用广泛可用的转染试剂PEI在慢病毒载体核心上产生具有野生型SARS-CoV刺突蛋白的高滴度病毒假型颗粒的成本效益,快速和可靠的方法。 该协议针对6孔板中的转染进行了优化; 然而,根据应用,它可以容易地扩展到不同的生产量。 该方案具有多种益处,包括使用容易获得的试剂,一致的,高假型病毒生产相对发光单位(RLU)滴度,并快速产生用于研究菌株变异,趋向性和免疫原性/血清流行性的新型冠状病毒假型。
【背景】假型病毒颗粒(PV)的生产和使用对于许多病毒是广泛建立的,并且在血清学,监测和疫苗开发领域的应用是多方面的(Temperton等人,2015; Carnell等人,2015)。 PV已经被证明是研究病毒包膜糖蛋白突变对血清学结果,病毒向性和免疫原性研究的影响的有力工具,特别是当与表位信息结合时。 PV是嵌合病毒构建体,其中一个病毒的外(表面)糖蛋白与另一病毒的复制缺陷病毒核心组合。 ...

Cyst Detection in Toxoplasma gondii Infected Mice and Rats Brain
Author:
Date:
2015-04-05
[Abstract]  Toxoplasmosis caused by the intracellular parasite Toxoplasma gondii, is characterized by a life-long chronic infection. The parasite is an efficient neurotropic infectious agent that establishes its “safe” life by forming intracellular cysts in chronically infected animals and humans. This protocol describes the specific recipes and method to stain brain cysts from infected mice and rats for further quantification using epifluorescence microscopy. This method provides the possibility to scan the entire brain and thus to numerate all cysts. [摘要]  由胞内寄生虫弓形虫引起的弓形虫病的特征在于终生的慢性感染。 寄生虫是一种有效的亲神经感染剂,通过在慢性感染的动物和人中形成细胞内囊肿来建立其"安全"的生命。 该协议描述了从感染的小鼠和大鼠染色脑囊肿的具体配方和方法,以进一步使用落射荧光显微镜定量。 这种方法提供扫描整个大脑,从而计算所有囊肿的可能性。

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