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TranscriptomicsMurine microenvironment metaprofiles associate with human cancer etiology and intrinsic subtypes
We developed a mouse model that captures radiation effects on host biology by transplanting unirradiated Trp53 null mammary tissue to sham or irradiated hosts. Gene expression profiles of tumors that arose in irradiated mice are distinct from those that arose in naM-CM-/ve hosts. Host irradiation in...
ORGANISM(S): Mus musculus 
2013-04-04 | E-GEOD-42742 | biostudies-arrayexpress
TranscriptomicsProgressive genomic instability in the FVB/KrasLA2 mouse model of lung cancer
Alterations in DNA copy number contribute to the development and progression of cancers and are common in epithelial tumors. We have used array Comparative Genomic Hybridization (aCGH) to visualize DNA copy number alterations across the genomes of lung tumors in the KrasLA2 model of lung cancer. C...
ORGANISM(S): Mus musculus 
2011-11-22 | E-GEOD-29230 | biostudies-arrayexpress
TranscriptomicsGenetic differences in transcript responses to low-dose ionizing radiation identify tissue functions associated with breast cancer susceptibility.
This study investigates three radiation exposure scenarios in BALB/c and C57BL/6 mice: (1) low dose (LD) group -- four weekly doses of 7.5 cGy, (2) high dose (HD) group -- four weekly doses of 1.8 Gy, (3) unexposed group -- four weekly sham exposures. We then used comparative expression profiles of ...
ORGANISM(S): Mus musculus 
2012-11-01 | E-GEOD-40066 | biostudies-arrayexpress
TranscriptomicsGenetic architecture of murine skin inflammation and tumor susceptibility
Gene expression in self-renewing epithelial tissues is controlled by cis- and trans-activating regulatory factors that mediate responses to exogenous agents capable of causing tissue damage, infection, inflammation, or tumorigenesis. We used network construction methods to analyze the genetic archi...
ORGANISM(S): Mus musculus 
2008-12-31 | E-GEOD-12248 | biostudies-arrayexpress
TranscriptomicsResponse of mammary tissue to high-LET HZE particle (Silicon ions) radiation or low-LET gamma-rays
Transcriptional profiling of mammary tissue irradiated at 10 weeks of age with either 100 cGy sparsely ionizing gamma-rays, or 10 cGy or 30 cGy densely ionizing radiation (350 MeV/amu Si). Mammary tissue was collected 1 weeks, 4 weeks, and 12 weeks post-irradiation. Four radiation treatment groups: ...
ORGANISM(S): Mus musculus 
2013-11-30 | E-GEOD-48392 | biostudies-arrayexpress
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