Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52431
Title: Correlations between the levels of Oct4 and Nanog as a signature for naïve pluripotency in mouse embryonic stem cells
Authors: Descalzo, Silvia Muñoz 
Rué, Pau
Garcia-Ojalvo, Jordi
Arias, Alfonso Martinez
UNESCO Clasification: 32 Ciencias médicas
2407 Biología celular
Keywords: Embryonic stem cells
Pluripotent stem cells
Self-renewal
Serum-free
Transcription factors
Issue Date: 2012
Journal: Stem Cells 
Abstract: The pluripotent state is traditionally associated with large absolute levels of certain transcription factors such as Nanog and Oct4. Here, we present experimental observations using quantitative immunofluorescence that pluripotency in mouse embryonic stem cells (mESCs) is established by specific ratios between Oct4 and Nanog. When cells are grown in 2i conditions, they exhibit uniform levels of pluripotency and this is associated with a high correlation between the levels of Oct4 and Nanog in individual cells. The correlation is lost when cells differentiate. Our results suggest that the correlation between these two factors and the distribution of Oct4/Nanog ratios can be used as quantifiers to distinguish between three subpopulations in an mESC culture: pluripotent, lineage-primed, and differentiating cells. When we apply these quantifiers to cells with lower levels of Nanog or mutant for β-Catenin or Tcf3, the results suggest that these cells exhibit higher probability of differentiation.
URI: http://hdl.handle.net/10553/52431
ISSN: 1066-5099
DOI: 10.1002/stem.1230
Source: Stem Cells[ISSN 1066-5099],v. 30(12), p. 2683-2691 8Diciembre 2012)
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