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Fetal calf serum (FCS)

Company: PAA Laboratories
Catalog#: 10270
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Mouse Satellite Cell Isolation and Transplantation
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Date:
2018-01-20
[Abstract]  Satellite cell (SC) transplantation represents a powerful strategy to investigate SC biology during muscle regeneration. We described here a protocol for SC isolation from green fluorescent protein (GFP)-expressing mice and their transplantation into murine muscles. This procedure was originally used to assess the effects of the hormone unacylated ghrelin on muscle regeneration, in particular evaluating how the increase of unacylated ghrelin in the recipient muscle affected the engraftment of donor SCs (Reano et al., 2017). [摘要]  卫星细胞(SC)移植代表了肌肉再生期间SC生物学研究的强大策略。 我们在这里描述了从绿色荧光蛋白(GFP)表达的小鼠和他们的小鼠肌肉移植SC分离的协议。 该程序最初用于评估激素非酰化生长素释放肽对肌肉再生的影响,特别是评估受体肌肉中未酰化的生长素释放肽的增加如何影响供体SC的植入(Reano等人,2017年)。

【背景】由分化的肌纤维组成的骨骼肌可以在受伤时再生。肌肉再生依赖于居住在肌肉纤维基底层之下的称为卫星细胞(SC)的静止驻留干细胞群(Mauro,1961)。受伤后,SC经历激活,广泛的增殖,分化和融合,最终修复或替换受损的肌纤维(Collins等人,2005)。

由于移植的成肌细胞可以与宿主成肌细胞融合,因此SC的移植被认为是杜氏肌营养不良症(DMD)的潜在疗法多年的时间,这提示了在缺陷纤维中功能性修复的可能性(Partridge ...

GC/MS-based Analysis of Volatile Metabolic Profile Along in vitro Differentiation of Human Induced Pluripotent Stem Cells
Author:
Date:
2017-12-05
[Abstract]  Human induced pluripotent stem cells (hiPSCs) are a promising tool in cell-based therapies for degenerative diseases. A safe application of hiPSCs in vivo, requires the detection of the presence of residual undifferentiated pluripotent cells that can potentially cause the insurgence of teratomas. Several studies point out that metabolic products may provide an alternative method to identify the different steps of cells differentiation. In particular, the analysis of volatile organic compounds (VOCs) is gaining a growing interest in this context, thanks to its inherent noninvasiveness. Here, a protocol for VOCs analysis from human induced pluripotent stem cells (hiPSCs) is illustrated. It is based on Solid-Phase Microextraction (SPME) technique coupled with gas chromatography-mass ... [摘要]  人诱导的多能干细胞(hiPSC)是用于退化性疾病的基于细胞的疗法中的有前景的工具。 hiPSCs在体内的安全应用需要检测残留未分化多能细胞的存在,这可能会导致畸胎瘤的爆发。几项研究指出,代谢产物可能提供了另一种方法来确定细胞分化的不同步骤。特别是挥发性有机化合物(VOCs)的分析由于其固有的非侵入性而在这方面越来越受到关注。在这里,说明了从人诱导的多能干细胞(hiPSC)分析VOC的方案。它基于固相微萃取(SPME)技术与气相色谱 - 质谱联用(GC / MS)。该方法用于测量从绒毛膜样品(CVS)到hiPSC的细胞重编程期间和沿着hiPSC体外分化成早期神经祖细胞(NP)的细胞顶空中的挥发性代谢物修饰,穿过胚状体机构(EBs)的形成。

【背景】提出细胞代谢作为在分化的各个步骤期间研究干细胞的替代物。事实上,假设干细胞从多能性向完全分化的转变可能引起代谢产物的剧烈变化是合理的。在诱导的多能干细胞,亲本成纤维细胞和胚胎干细胞之间观察到了这种假设的第一个证据(Meissen等人,2012)。

在代谢产物中,挥发性有机化合物(VOC)吸引了人们对其收集的简单性,内在的非侵入性和广泛的分析方法的广泛关注(Boots et。,2015 ...

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