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Transcriptomicsp53-dependent transcription program in HepG2 cells
In order to obtain a global picture regarding regulation of p53 in liver cells we used HepG2 hepatoma cells.We created two isogenic sub-cultures of HepG2 cells with altered expression of p53. HepG2 cells were infected with a retroviral vector harboring either small-hairpin RNA targeting p53 (termed ...
ORGANISM(S): Homo sapiens 
2012-03-30 | E-GEOD-30137 | biostudies-arrayexpress
Transcriptomicsp53-repressed miRNAs are Involved with E2F in a Feed Forward Loop Promoting Proliferation
Analysis of miRNA expression in human breast cancer samples with Agilent's miRNA arrays. These samples are part of a study where we have investigated the mammalian cell proliferation control network consisting of transcription regulators, E2F and p53, their targets, and a family of 14 microRNAs. We ...
ORGANISM(S): Homo sapiens 
2008-09-22 | E-GEOD-12848 | biostudies-arrayexpress
Transcriptomicsp53-repressed miRNAs are Involved with E2F in a Feed Forward Loop Promoting Proliferation
miRNA expression profiles of WI38 primary human fibroblasts with an active or inactive p53. Cells were compared under normal untreated conditions (young and proliferating cells), after DNA damage with Doxorubicin, and upon entry into replicative senescence. Keywords: miRNA, WI-38, p53, GSE56, Senes...
ORGANISM(S): Homo sapiens 
2010-05-19 | E-GEOD-12450 | biostudies-arrayexpress
TranscriptomicsIntestinal ablation of CKIalpha highlights invasiveness control
Wnt signaling, which drives the rapid self-renewal of the gut epithelium is causally associated with intestinal neoplasia. Here we show that CKIalpha is a activation depends on p53 and p21Waf1/Cip1: CKIα ablation provokes activation of p53 and p21, which assume a pivotal role in suppressing invasiv...
ORGANISM(S): Mus musculus 
2010-10-23 | E-GEOD-24760 | biostudies-arrayexpress
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