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Cold Spring Harb Perspect Biol. 2012 Mar 1;4(3). pii: a008177. doi: 10.1101/cshperspect.a008177.

Proteomic analysis of stem cell differentiation and early development.

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  • 1Department of Anatomy and Embryology, Leiden University Medical Center, ZC Leiden.

Abstract

Genomics methodologies have advanced to the extent that it is now possible to interrogate the gene expression in a single cell but proteomics has traditionally lagged behind and required much greater cellular input and was not quantitative. Coupling protein with gene expression data is essential for understanding how cell behavior is regulated. Advances primarily in mass spectrometry have, however, greatly improved the sensitivity of proteomics methods over the last decade and the outcome of proteomic analyses can now also be quantified. Nevertheless, it is still difficult to obtain sufficient tissue from staged mammalian embryos to combine proteomic and genomic analyses. Recent developments in pluripotent stem cell biology have in part addressed this issue by providing surrogate scalable cell systems in which early developmental events can be modeled. Here we present an overview of current proteomics methodologies and the kind of information this can provide on the biology of human and mouse pluripotent stem cells.

PMID:
22317846
[PubMed - indexed for MEDLINE]
PMCID:
PMC3282409
Free PMC Article
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