Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA95189 | ENA |
REPOSITORIES: ENA
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Project description:The putative transcription factor, activity-dependent neuroprotective protein (ADNP) is a zinc finger and homeodomain - like profile containing protein. ADNP knockout mice die at day 9 of gestation. To reveal ADNP-associated pathways, a 22,690- Affymetrix probe array was used on ADNP knockout and control embryos. References:; Complete sequence of a novel protein containing a femtomolar-activity-dependent neuroprotective peptide. J Neurochem. 1999 Mar;72(3):1283-93. PMID: 10037502 [PubMed - indexed for MEDLINE]; Cloning and characterization of the human activity-dependent neuroprotective protein. J Biol Chem. 2001 Jan 5;276(1):708-14. PMID: 11013255 [PubMed - indexed for MEDLINE]; Activity-dependent neuroprotective protein: a novel gene essential for brain formation. Brain Res Dev Brain Res. 2003 Aug 12;144(1):83-90. PMID: 12888219 [PubMed - indexed for MEDLINE] Experiment Overall Design: To identify downstream target genes of ADNP, we examined global gene expression profiles of whole E9 knockout embryos (KO - ADNP -l-), their wild-type (WT - ADNP +l+ ) and their heterozygous (H - ADNP âl+ ) littermates, using the Affymetrix Murine Genome 430A oligonucleotide microarrays. Gestation day 9 was chosen as it is the period at which embryos lacking ADNP exhibit distinct morphological and developmental changes prior to degeneration and in uterus absorption. Total RNA was extracted from four ADNP knockout embryos, four normal embryos and six heterozygous embryos. A pool of two genotype identical littermates was used on seven different arrays (pooling of two embryos was necessary to obtain enough RNA on each of the gene microarrays).
2008-06-12 | E-GEOD-4068 | biostudies-arrayexpress
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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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