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PIPETTE, 2 ML, GRADUATED 1/100 ML, STERILE, PAPER-PLASTIC PACKAGING

公司名称: Greiner Bio One International
产品编号: 710180
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Immunoprecipitation of Tri-methylated Capped RNA
Author:
Date:
2018-02-05
[Abstract]  Cellular quiescence (also known as G0 arrest) is characterized by reduced DNA replication, increased autophagy, and increased expression of cyclin-dependent kinase p27Kip1. Quiescence is essential for wound healing, organ regeneration, and preventing neoplasia. Previous findings indicate that microRNAs (miRNAs) play an important role in regulating cellular quiescence. Our recent publication demonstrated the existence of an alternative miRNA biogenesis pathway in primary human foreskin fibroblast (HFF) cells during quiescence. Indeed, we have identified a group of ... [摘要]  蜂窝静止(因此已知为G <子> 0 骤停)是由降低的DNA复制,增加自噬表征,并且增加的细胞周期蛋白依赖性激酶p27蛋白上标kip1 表达。静止对伤口愈合,器官再生和瘤形成是必不可少的。先前的发现表明微小RNA(miRNA)在调节细胞静止过程中起重要作用。我们最近的出版物静止期间以实例阐述在原代人替代miRNA生物途径包皮成纤维(HFF)细胞的存在。实际上,我们已经发现了一组与由trimethylguanosine合酶1(TGS1)蛋白的2,2,7- trimethylguanosine(TMG)带肩改性PRI-的miRNA(其成熟miRNA发现静止期期间诱导的)的并运输到细胞质通过Exportin-1(XPO1)蛋白质。我们用来抗体针对(TMG)兴趣盖(不与第(m交叉反应 7 G)兴趣帽了大部分PRI-的miRNA或mRNA的含有[鲁曼等人的,1982]),以从增殖或静态HFFS的总RNA提取RNA进行免疫沉淀。该测定的新颖性是PRI-miRNA的以及含有一个TMG-帽修改以外的非编码RNA的特异性分离。


【背景】蜂窝静止,类型可逆生长停滞的,是在伤口愈合,器官再生,和预防瘤形成涉及一种重要的细胞状态(科勒,2011;瓦尔古等人 2012)。已发现小的非编码RNA如miRNA参与细胞静止的调节。 ...

Isolation and Expansion of Mesenchymal Stem Cells from Murine Adipose Tissue
Author:
Date:
2017-08-20
[Abstract]  Mesenchymal stem cells (MSCs) are currently intensively studied due to significant promise which they represent for successful implementations of future cell therapy clinical protocols. This in turn emphasizes importance of careful preclinical studies of MSC effects in various murine disease models. The appropriate cell preparations with reproducible biological properties are important to minimize variability of results of experimental cell therapies. We describe here a simple protocol for isolation of murine MSCs from adipose tissues and their reproducible multi-log expansion under hypoxia ... [摘要]  间充质干细胞(MSC)目前正在深入研究,因为它们代表未来细胞治疗临床方案的成功实施的重大前景。 这又强调了对各种鼠疾病模型中MSC效应的仔细临床前研究的重要性。 具有可重现的生物学性质的合适的细胞制剂对于最小化实验细胞疗法结果的变异性是重要的。 我们在这里描述了一种用于从脂肪组织中分离鼠MSC的简单方案及其在缺氧条件下的可重复的多对数扩增。
【背景】最初由Friedenstein鉴定的MSC是成纤维细胞样形态的骨髓细胞,粘附于塑料和高自我更新能力,导致体外成纤维细胞样集落的形成(Friedenstein等,1976; Review in Phinney andSensebé ,2013)。 MSCs由于其在医学上的潜在应用,目前是研究最成熟的成体祖细胞类型之一。这些细胞可以从各种器官中分离(Murray等,2014),并且被认为是源于血管,以周细胞或血管壁细胞。除了能够沿着成骨,脂肪形成和软骨形成谱系分化的能力之外,MSC具有免疫调节特性,并且被认为参与对组织损伤的反应,以及通过其影响巨噬细胞极化的能力来组织抗炎反应(Prockop,2013; Caplan,2016)。
   鉴于这些特性,MSCs代表了未来相关细胞治疗临床方案的成功实施的巨大前景。这反过来强调了在各种鼠疾病模型中使用MSC进行仔细临床前研究的重要性。制备大量具有可重复生物学特性的合适细胞样品的能力对于在开发基于MSC的实验细胞疗法期间最小化结果的变异性至关重要。然而,与具有强抗氧化防御性并因此在大气氧条件下相当好的人类MSC不同,小鼠MSC对氧应激更敏感,并且在常规CO2培养箱中培养时具有有限的寿命和扩张能力。相反,在缺氧条件下培养这些细胞,相反,显着延长了它们的寿命,并允许多对数扩增,提供足够量的具有可重复性质的细胞材料,用于用鼠实验疾病模型重复实验(Boregowda等,2012; ...

Formaldehyde Fixation of Extracellular Matrix Protein Layers for Enhanced Primary Cell Growth
Author:
Date:
2017-07-05
[Abstract]  Coating tissue culture vessels with the components of the extracellular matrix such as fibronectin and collagens provides a more natural environment for primary cells in vitro and stimulates their proliferation. However, the effects of such protein layers are usually rather modest, which might be explained by the loss immobilized proteins due to their weak non-covalent association with the tissue culture plastic. Here we describe a simple protocol for a controlled fixation of fibronectin, vitronectin and collagen IV layers by formaldehyde, which substantially enhances the stimulation ... [摘要]  用诸如纤连蛋白和胶原的细胞外基质的组分涂覆组织培养容器为体外原代细胞提供更自然的环境并刺激它们的增殖。 然而,这种蛋白质层的作用通常相当适中,这可能由于与组织培养塑料的非共价结合弱而被固定蛋白质损失所解释。 在这里我们描述一个简单的协议,通过甲醛控制纤维连接蛋白,玻连蛋白和胶原IV层的固定,这大大增强了这些细胞外蛋白对原代细胞增殖的刺激。
【背景】细胞外基质(ECM)如纤连蛋白,层粘连蛋白,玻连蛋白和胶原蛋白的组分通常用于包被组织培养容器,因为它们为体外原代细胞提供更自然的环境并刺激它们的增殖( Sawada等人,1987; ...

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