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Expression data from undifferentiated and differentiated mouse female ES cells PGK12.1


ABSTRACT: Affymetrix 430 2.0 mouse arrays were used for expression analyses in undifferentiated and differentiated PGK12.1 ES cells. We found that the X:autosome expression ratios calculated from the mean expression values of X-linked and autosomal genes from microarrays was ~1.4 in undifferentiated female ES cells and then decreased to 1.2 in PGK12.1 cells after 15-day embryoid body differentiation. Thus, a substantial level of X upregulation is already evident in these ES cells prior to differentiation. Our findings based on Affymetrix expression arrays are consistent with microarray analysis from other labs and our RNA-seq analysis of mouse female PGK12.1 ES cells. Mouse female ES cells PGK12.1 were differentiated by the EB (embryoid body) differentiation protocol. The presence of two active X chromosomes in undifferentiated female ES cells and one active X in 15-day differentiated cells was verified by Xist RNA FISH. Total RNA was prepared from undifferentiated and 15-day differentiated PGK12.1 and was used for expression array analyses to examine exprssion of the X chromosome during differentiation.

ORGANISM(S): Mus musculus

SUBMITTER: Xinxian Deng 

PROVIDER: E-GEOD-44251 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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