The quantitative proteomes of human-induced pluripotent stem cells and embryonic stem cells.

The quantitative proteomes of human-induced pluripotent stem cells and embryonic stem cells.
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DOI:
10.1038/msb.2011.84
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发表时间:
2011-11-22
影响因子:
9.9
通讯作者:
--
中科院分区:
生物学1区
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评估人诱导多能干细胞(hiPSC)和人胚胎干细胞(hESC)之间的相关分子差异非常重要,因为这些差异可能会影响其潜在的治疗用途。关于最近比较hiPSC和hESC的基因表达研究存在争议。在这里,我们提出了一个深入的定量质谱为基础的分析hESC,两种不同的hiPSC和它们的前体成纤维细胞系。我们的比较证实了hESC和hiPSCS在蛋白质组水平上的高度相似性,因为发现97.8%的蛋白质没有变化。然而,一小组的58个蛋白质,主要涉及代谢,抗原加工和细胞粘附,被发现显着差异hiPSCs和hESC之间的表达。调节蛋白与先前发表的转录组学研究的比较显示出低重叠,突出了两种多能细胞系之间的差异反映了实验条件而不是经常性分子特征的新概念。
Assessing relevant molecular differences between human-induced pluripotent stem cells (hiPSCs) and human embryonic stem cells (hESCs) is important, given that such differences may impact their potential therapeutic use. Controversy surrounds recent gene expression studies comparing hiPSCs and hESCs. Here, we present an in-depth quantitative mass spectrometry-based analysis of hESCs, two different hiPSCs and their precursor fibroblast cell lines. Our comparisons confirmed the high similarity of hESCs and hiPSCS at the proteome level as 97.8% of the proteins were found unchanged. Nevertheless, a small group of 58 proteins, mainly related to metabolism, antigen processing and cell adhesion, was found significantly differentially expressed between hiPSCs and hESCs. A comparison of the regulated proteins with previously published transcriptomic studies showed a low overlap, highlighting the emerging notion that differences between both pluripotent cell lines rather reflect experimental conditions than a recurrent molecular signature.
DOI: 10.1016/j.cell.2010.10.008
发表时间: 2010-11-12
期刊: Cell
影响因子: 64.5
作者:
Hanna JH;Saha K;Jaenisch R
通讯作者: Jaenisch R
DOI: 10.1038/nbt.1530
发表时间: 2009-04
影响因子: 46.9
作者:
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DOI: 10.1016/j.cell.2008.03.028
发表时间: 2008-04-18
期刊: CELL
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发表时间: 2010-03-02
影响因子: 11.1
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DOI: 10.1016/j.stem.2009.05.005
发表时间: 2009-06-05
期刊: Cell stem cell
影响因子: 23.9
作者:
Kim D;Kim CH;Moon JI;Chung YG;Chang MY;Han BS;Ko S;Yang E;Cha KY;Lanza R;Kim KS
通讯作者: Kim KS