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Genome-wide characterization of long nonpolyadenylated RNAs

ABSTRACT: We have used deep sequencing to explore the repertoire of both poly(A)+ and poly(A)- RNAs from two standard cell lines, HeLa cells and human embryonic stem cell (hESC) H9 cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE22666 | GEO | 2012/07/01

SECONDARY ACCESSION(S): PRJNA128275

REPOSITORIES: GEO

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Genome-wide characterization of long nonpolyadenylated RNAs, experiment II

Project description:We have used deep sequencing to explore the repertoire of both poly(A)+ and poly(A)- RNAs from two standard cell lines, HeLa cells and human embryonic stem cell (hESC) H9 cells.

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Genome-wide characterization of long nonpolyadenylated RNAs

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Characterization of Definitive Endoderm formation from HESC and iPSC lines by Microarray analysis

Project description:HESC-H9 and iPSC lines 3.5, 3.6 and 3.12 were analyzed using Affymetrix microarray before and after Definitive Endoderm (DE) formation. DE was induced using the ActivinA differentiation protocol described by D'Amour et al., 2006 (PMID: 16258519) Clustering analysis of transcripts that were differentially regulated during DE formation indicated that iPSC lines 3.5 and 3.12 differentiate in manner that is highly similar to HESC-H9 cells iPSC line 3.6 had a more divergent transcriptional profile. Three induced pluripotent stem cell lines (iPSC) and one human embryonic stem cell line (hESC - H9) were collected as undifferentiated (UD) cells, and flash frozen. These cell lines were also subjected to definitive endoderm (DE) induction, collected and flash frozen. RNA was harvested from the frozen cell pellets and hybridized to the Affymetrix microarray chip. The three iPSC cell lines are iPSC 3.5, iPSC 3.6. and iPSC 3.12. In the UD state, iPSC 3.5 was analyzed in duplicate, while iPSCs 3.6 and 3.12 and H9s were analyzed in biological triplicate. All four cell lines were analyzed as biological triplicates for DE induction.

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