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HBSS, Calcium, Magnesium, no Phenol Red

HBSS,钙,镁,无酚红

公司名称: Thermo Fisher Scientific
产品编号: 14025-092
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Detection of Reactive Oxygen Species Using MitoSOX and CellROX in Zebrafish
Author:
Date:
2016-10-05
[Abstract]  The production of free radicals is the result of normal cellular metabolism. Free radicals are involved in innumerable different cellular and biological functions such as signaling, proliferation, cell death, aging, inflammation, etc. Under physiological conditions, the levels of reactive oxygen species (ROS) are strictly regulated by the cells. However, during stressful conditions such as oxidative stress, ROS levels increase causing damages to different molecules like DNA, lipids and proteins. Increased levels of ROS have been associated with a growing list of different diseases. ... [摘要]  自由基的产生是正常细胞代谢的结果。 自由基涉及无数不同的细胞和生物学功能,例如信号传导,增殖,细胞死亡,衰老,炎症等。 在生理条件下,活性氧(ROS)的水平被细胞严格调节。 然而,在应激条件例如氧化应激期间,ROS水平增加导致对不同分子如DNA,脂质和蛋白质的损伤。 增加的ROS水平与不断增加的不同疾病列表相关联。 在这个协议中,我们使用MitoSOX和CellROX绿色氧化应激探针标记细胞内ROS和使用细胞分选和共聚焦分析检测荧光。

Preparation of Respiratory Syncytial Virus with High or Low Content of Defective Viral Particles and Their Purification from Viral Stocks
Author:
Date:
2016-05-20
[Abstract]  Respiratory syncytial virus (RSV) belongs to the paramyxovirus family that includes many clinically relevant viruses, such as the human metapneumovirus and measles. RSV infection can cause severe disease in infants, the elderly, and some immunocompromised adults. During RSV replication, a series of truncated forms of the viral genome is generated. These truncated viral genomes are known as defective viral genomes (DVGs) and are generated by many viruses (Lazzarini et al., 1981; Rao and Huang, 1982; Prince et al., 1996; Sun et al., 2015; Tapia et al., ... [摘要]  呼吸道合胞病毒(RSV)属于包括许多临床相关病毒(例如人偏肺病毒和麻疹)的副粘病毒家族。 RSV感染可以在婴儿,老年人和一些免疫受损的成人中引起严重的疾病。在RSV复制期间,产生一系列截短形式的病毒基因组。这些截短的病毒基因组被称为缺陷型病毒基因组(DVG),并且由许多病毒产生(Lazzarini等人,1981; Rao和Huang,1982; Prince等人, ,1996; Sun等人,2015; Tapia等人,2013)。 DVG可以限制全长病毒的复制,并且是针对RSV的先天免疫应答的主要天然触发因子(Sun等人,2015; Tapia等人 ,2013)。在这里,我们详细讨论如何准备具有高或低含量的DVG的RSV股票,以及如何从富含缺陷病毒颗粒的RSV原液中纯化含有DVG的缺陷病毒颗粒。这些程序可用于制备实验室研究所需的病毒原液和有缺陷的病毒颗粒。简言之,在HEp2细胞中产生不同的RSV种群,其通常用于在实验室中扩增该病毒。为了产生具有高含量DVG的RSV原液,HEp2细胞用高多重感染(MOI)多次感染,然后使用梯度离心纯化含有DVG的病毒颗粒。这里描述的方法具有四个部分:1.具有低DVG含量(RSV-LD)的种子RSV原种的扩增,2.具有高DVG含量(RSV-HD)的原种的产生,3.通过梯度离心,4.纯化DVG的表征。

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