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Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli

ABSTRACT: This SuperSeries is composed of the following subset Series: GSE39928: Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [35MM] GSE39929: Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [40MM] GSE39930: Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [41MM] GSE39931: Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [43MM] Refer to individual Series ** Six samples in each Series represent the same set of biological source material hybridized to 4 different arrays (named IMP internal: 35MM, 40MM, 41MM, and 43MM).

ORGANISM(S): Mus musculus

SUBMITTER: Harald Scheuch

PROVIDER: E-GEOD-39932 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [41MM]

Project description:Liver carcinogenesis induced by DEN closely mimics the pathologies observed during human liver tumor initiation and progression. DEN treatment triggered c-Jun expression lasting up to at least 1 week in mouse livers as measured by Western blots and immunohistochemical staining. DEN-induced liver tumorigenesis was also dramatically reduced in Alfp-cre+/c-jun f/f mice, in which c-Jun is constitutively deleted in hepatocytes around birth. These data unambiguously demonstrate that c-Jun is specifically required during liver cancer initiation. We searched for cell death effectors downstream of c-Jun operating in cancer initiation. Expression profiling revealed that several cell death-associated genes were deregulated by comparing Alfp-cre+/c-junf/f and Alfp-cre-/c-jun f/f livers. Mouse livers were collected before and 48hours after diethylnitrosamine treament (100mg/kg body weight). Whole genome expression profiles were analyzed using total RNAs extracted from the whole liver samples. By comparison of the gene expression profiles of these samples, genes with significantly altered expression levels will be selected and further characterized for their roles in DEN-induce liver cell death in tumor initiation.

2012-08-07 | E-GEOD-39930 | biostudies-arrayexpress

Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [40MM]

2012-08-07 | E-GEOD-39929 | biostudies-arrayexpress

Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [43MM]

2012-08-07 | E-GEOD-39931 | biostudies-arrayexpress

Murine livers post DEN treatment: c-Jun f/f vs. c-Jun Dli [35MM]

2012-08-07 | E-GEOD-39928 | biostudies-arrayexpress