Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA254718 | ENA |
REPOSITORIES: ENA
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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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| S-EPMC8784167 | biostudies-literature
Project description:Purpose: To assess changes in mRNA levels due to in vivo blockade of microRNA miR-7 with a miR-7 sponge in the E12.5 mouse neocortex Methods: total RNA was isolated and sequenced from the dorsal cortex of wild-type or Emx1-Cre:miR-7-sponge transgenic mice in triplicate using an Illumina high-seq 1000. Raw data was analyzed using Gobyweb v1.7. Genes were considered changed which demonstrated expression level>1RPKM, fold-change>1.25, and FDR-qvalue <0.25. Changed genes were then filtered by prediction of miR-7 targeting to reveal predicted miR-7 targets which were altered in vivo due to miR-7 sponge expression. Results: 419 cortically expressed genes were significantly increased in expression level due to miR-7 sponge expression. Of these, 162 are predicted to be targets of miR-7. total RNA was isolated and sequenced from the dorsal cortex of wild-type or Emx1-Cre:miR-7-sponge transgenic mice in triplicate using an Illumina high-seq 1000.
2014-07-09 | E-GEOD-59204 | biostudies-arrayexpress
Project description:Purpose: To assess changes in mRNA levels due to in vivo blockade of microRNA miR-7 with a miR-7 sponge in the E12.5 mouse neocortex Methods: total RNA was isolated and sequenced from the dorsal cortex of wild-type or Emx1-Cre:miR-7-sponge transgenic mice in triplicate using an Illumina high-seq 1000. Raw data was analyzed using Gobyweb v1.7. Genes were considered changed which demonstrated expression level>1RPKM, fold-change>1.25, and FDR-qvalue <0.25. Changed genes were then filtered by prediction of miR-7 targeting to reveal predicted miR-7 targets which were altered in vivo due to miR-7 sponge expression. Results: 419 cortically expressed genes were significantly increased in expression level due to miR-7 sponge expression. Of these, 162 are predicted to be targets of miR-7.
2014-07-09 | GSE59204 | GEO
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Project description:E12.5 Murine lateral cortical progenitor cells: Pax6sey/sey vs. Pax6+/+
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Project description:Effect of denervation on mouse skeletal muscle mRNA levels.
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