Unknown,Transcriptomics,Genomics,Proteomics

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Genome-wide analysis of epidermal gene expression from Presenilin (1&2)-null, RBPjk-null and wild-type litter mates

ABSTRACT: Analysis of differential gene expression in Psen-null and RBPjk-null epidermal keratinocytes. The hypothesis tested in the present study was that canonical Notch signals could be present at the beginning of epidermal stratification (E13.5) in the RBPj-null epidermis. If an early signal was preserved by epigenetic memory, E18.5 RBPj-null epidermis would resemble the wild-type at the transcriptional level. Total RNA obtained from 3xRBPj-null and 3xPsen-null epidermis at E18.5 and compared to wild-type (3xRBPjwt & 3xPsenwt) epidermis from littermates.

ORGANISM(S): Mus musculus

SUBMITTER: Mustafa Turkoz

PROVIDER: E-GEOD-77813 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:OBJECTIVE: To investigate the differentially expressed genes related to the chemosensitivity of laryngeal squamous cell carcinoma ï¼LSCCï¼by microarrays arrays. METHODS: 1. A total number of 11 patients who underwent induction chemotherapy for primary hypopharyngeal squamous cell carcinoma (7 patients are sensitive to chemotherapy ,and others are not) were recruited for microarray and miRNA array gene expression analysis 2. Bioinformatics analysis of differentially expressed genes screened by microarrays : The differential gene cluster analysis was applied in biological processes, cellular components and molecular functions by GO database; The differential gene enrichment analysis was applied in signaling pathways by KEGG database, and the differentially expressed and biologically meaningful core genes would be screened. RESULTS: 1. Analyzed by microarrays, there were 1554 genes significantly related to the sensitivity to chemotherapy; Among these 1554genes, 777 showed a higher expression in the tissue from patients who are sensitive to chemotherapy , while 785 presented the contrasting pattern. CONCLUSIONS: The research revealed a gene expression signature of chemosensitivity in laryngeal squamous cell carcinoma by microarrays arrays. The result will contribute to the understanding of the molecular basis of laryngeal squamous cell carcinoma and help to improve diagnosis and treatment. 1. A total number of 11 patients who underwent induction chemotherapy for primary hypopharyngeal squamous cell carcinoma (7 patients are sensitive to chemotherapy ,and others are not) were recruited for microarray and miRNA array gene expression analysis 2. Bioinformatics analysis of differentially expressed genes screened by microarrays : The differential gene cluster analysis was applied in biological processes, cellular components and molecular functions by GO database; The differential gene enrichment analysis was applied in signaling pathways by KEGG database, and the differentially expressed and biologically meaningful core genes would be screened.

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Genome-wide analysis of epidermal gene expression from Presenilin (1&2)-null, RBPjk-null and wild-type litter mates

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