Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA196765 | ENA |
REPOSITORIES: ENA
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Project description:The overall goal of this project is to investigate the role of TGF-beta signaling in tongue development in order to study the contribution of cranial neural crest (CNC) cells towards the patterning of cranial mesoderm for proper tongue formation. Here, we conducted gene expression profiling of embryonic tongue tissue from wild type mice as well as those with a neural crest specific conditional inactivation of the Tgfbr2 gene. The latter mice provide a model of microglossia, a common congenital birth defect which is frequently observed with several syndromic conditions. To investigate the mechanism of microglossia resulting from dysfunctional TGF-Beta signaling during muscle development, we analyzed neural crest specific conditional inactivation of Tgfbr2 in mice (Tgfbr2fl/fl;Wnt1-Cre). We performed microarray analyses of tongue tissue of Tgfbr2fl/fl;Wnt1-Cre mutant mice and Tgfbr2fl/fl control mice at embryonic day E14.5 (n=3 per genotype) to examine the genes regulated by Tgf-beta during tongue muscle development.
2013-04-11 | E-GEOD-45968 | biostudies-arrayexpress
Project description:Gene expression profiling of the mandibular arch from Alk5 mutant mouse models
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Project description:PURPOSE: To provide a detailed gene expression profile of the normal postnatal mouse cornea. METHODS: Serial analysis of gene expression (SAGE) was performed on postnatal day (PN)9 and adult mouse (6 week) total corneas. The expression of selected genes was analyzed by in situ hybridization. RESULTS: A total of 64,272 PN9 and 62,206 adult tags were sequenced. Mouse corneal transcriptomes are composed of at least 19,544 and 18,509 unique mRNAs, respectively. One third of the unique tags were expressed at both stages, whereas a third was identified exclusively in PN9 or adult corneas. Three hundred thirty-four PN9 and 339 adult tags were enriched more than fivefold over other published nonocular libraries. Abundant transcripts were associated with metabolic functions, redox activities, and barrier integrity. Three members of the Ly-6/uPAR family whose functions are unknown in the cornea constitute more than 1% of the total mRNA. Aquaporin 5, epithelial membrane protein and glutathione-S-transferase (GST) omega-1, and GST alpha-4 mRNAs were preferentially expressed in distinct corneal epithelial layers, providing new markers for stratification. More than 200 tags were differentially expressed, of which 25 mediate transcription. CONCLUSIONS: In addition to providing a detailed profile of expressed genes in the PN9 and mature mouse cornea, the present SAGE data demonstrate dynamic changes in gene expression after eye opening and provide new probes for exploring corneal epithelial cell stratification, development, and function and for exploring the intricate relationship between programmed and environmentally induced gene expression in the cornea. Keywords: other
2004-01-02 | GSE887 | GEO
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