Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

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Transcription profiling of mouse skin carcinogenesis in FVB/N and Tg.Ac mice


ABSTRACT: Female FVB/N and Tg.Ac (hemizygotes) mice 3-5 weeks of age were purchased from Harlan UK and Taconic UK, respectively. The mice were contained in an isolator and maintained at 19C with 50% relative humidity and a 12-hour light-dark cycle. Following a 1 week acclimatisation period the dorsal skin of the mice was shaved (approximately 8cm2 area) 2 days prior to commencing treatment. FVB/N mice (5 per group) were treated with dimethylbenz[a]anthracene (DMBA) (10ug/200ul in acetone) or vehicle control one week before promotion with TPA. TPA (2.5ug/200ul in acetone) was applied to the back of both FVB/N and Tg.Ac mice (5 per group) twice a week for up to 14 weeks; control mice received acetone. Mice were shaved and examined weekly for the presence of papillomas. At each time point (FVB/N mice 2, 4, 6 and 14 weeks of TPA promotion and Tg.Ac mice 4 days, 1, 2 and 9 weeks of TPA promotion) the mice were killed by cervical dislocation and the dorsal skin removed, a representative portion was fixed in 10% neutral buffered formalin and retained for histological analysis; the remainder was snap frozen in liquid nitrogen.

ORGANISM(S): Mus musculus

SUBMITTER: Katie Ridd 

PROVIDER: E-MEXP-188 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Association of gene expression with sequential proliferation, differentiation and tumor formation in murine skin.

Ridd Katie K   Zhang Shu-Dong SD   Edwards Richard E RE   Davies Reginald R   Greaves Peter P   Wolfreys Alison A   Smith Andrew G AG   Gant Timothy W TW  

Carcinogenesis 20060314 8


Differential gene expression in two established initiation and promotion skin carcinogenesis models during promotion and tumor formation was determined by microarray technology with the purpose of distinguishing the genes more associated with neoplastic transformation from those linked with proliferation and differentiation. The first model utilized dimethylbenz[a]anthracene initiation and 12-O-tetradecanoylphorbol 13-acetate (TPA) promotion in the FVB/N mouse, and the second TPA promotion of th  ...[more]

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