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Transcription profiling of mouse neonatal and embyronic CNS from animals with maternal or paternal duplication of proximal chromosomes 7 and 15

ABSTRACT: Gene expression profiling was performed on CNS tissue from neonatal mice carrying the T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15. Our analysis revealed the presence of two novel paternally expressed intergenic transcripts at the PWS/AS locus. The transcripts were termed Pec2 and Pec3 for paternally expressed in the CNS.Our analysis also revealed imprinting of Magel2, Mkrn3, Ndn,Ube3a and Usp29, as well as Pec2 and Pec3 in embryonic brain, 15.5 dpc, and provided a survery of biallelically expressed genes on proximal Chromosomes 7 and 15 in embryonic and neonatal CNS. This SuperSeries is composed of the following subset Series:; GSE12227: Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430A); GSE12230: Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430B) Experiment Overall Design: Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: Xiwei Wu

PROVIDER: E-GEOD-12231 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcription profiling of mouse neonates with T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15(430B)

Project description:Gene expression profiling was performed on CNS tissue from neonatal mice carrying the T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15. Our analysis revealed the presence of two novel paternally expressed intergenic transcripts at the PWS/AS locus. The transcripts were termed Pec2 and Pec3 for paternally expressed in the CNS.Our analysis also revealed imprinting of Magel2, Mkrn3, Ndn,Ube3a and Usp29, as well as Pec2 and Pec3 in embryonic brain, 15.5 dpc, and provided a survery of biallelically expressed genes on proximal Chromosomes 7 and 15 in embryonic and neonatal CNS. Experiment Overall Design: Eight samples were analyzed by microarray analysis using GeneChip 430B (no biological replicates). RNAs were from neonatal cortex and cerebellum, and from whole brain of 13.5 and 15.5 dpc embryos, purified from mice carrying either maternal or paternal duplication of proximal chromosomes 7 and 15.

2008-10-21 | E-GEOD-12230 | biostudies-arrayexpress

Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430B)

Project description:Gene expression profiling was performed on CNS tissue from neonatal mice carrying the T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15. Our analysis revealed the presence of two novel paternally expressed intergenic transcripts at the PWS/AS locus. The transcripts were termed Pec2 and Pec3 for paternally expressed in the CNS.Our analysis also revealed imprinting of Magel2, Mkrn3, Ndn,Ube3a and Usp29, as well as Pec2 and Pec3 in embryonic brain, 15.5 dpc, and provided a survery of biallelically expressed genes on proximal Chromosomes 7 and 15 in embryonic and neonatal CNS. Keywords: genetic modification, developmental comparison

2008-07-25 | GSE12230 | GEO

Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430A)

Project description:Gene expression profiling was performed on CNS tissue from neonatal mice carrying the T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15. Our analysis revealed the presence of two novel paternally expressed intergenic transcripts at the PWS/AS locus. The transcripts were termed Pec2 and Pec3 for paternally expressed in the CNS.Our analysis also revealed imprinting of Magel2, Mkrn3, Ndn,Ube3a and Usp29, as well as Pec2 and Pec3 in embryonic brain, 15.5 dpc, and provided a survery of biallelically expressed genes on proximal Chromosomes 7 and 15 in embryonic and neonatal CNS. Keywords: genetic modification, developmental comparison

2008-07-25 | GSE12227 | GEO

Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15

Project description:Gene expression profiling was performed on CNS tissue from neonatal mice carrying the T9H translocation and maternal or paternal duplication of proximal Chromosomes 7 and 15. Our analysis revealed the presence of two novel paternally expressed intergenic transcripts at the PWS/AS locus. The transcripts were termed Pec2 and Pec3 for paternally expressed in the CNS.Our analysis also revealed imprinting of Magel2, Mkrn3, Ndn,Ube3a and Usp29, as well as Pec2 and Pec3 in embryonic brain, 15.5 dpc, and provided a survery of biallelically expressed genes on proximal Chromosomes 7 and 15 in embryonic and neonatal CNS. This SuperSeries is composed of the SubSeries listed below.

2008-07-25 | GSE12231 | GEO

Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15

Project description:Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15

| PRJNA113685 | ENA

Mus musculus

Project description:Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430A)

| PRJNA113857 | ENA

Mus musculus

Project description:Neonatal and embyronic CNS of mice with maternal or paternal duplication of proximal chromosomes 7 and 15 (430B)

| PRJNA113863 | ENA

A small RNA pathway mediates allelic dosage in endosperm [sRNA-seq]

Project description:Balance between maternal and paternal genomes within the triploid endosperm is necessary for normal seed development. The majority of endosperm genes are expressed in a 2:1 maternal:paternal ratio, reflecting genomic DNA content. Here we find that the 2:1 transcriptional ratio is, unexpectedly, actively regulated. In A. thaliana and A. lyrata, endosperm 24 nt small RNAs are reduced in TEs and enriched in genes compared to the embryo. We find an inverse relationship between the parent-of-origin of sRNAs and mRNAs, with genes more likely to be associated with maternally than paternally biased sRNAs. Disruption of the Pol IV sRNA pathway causes a shift toward maternal allele mRNA expression for many genes. Furthermore, paternal inheritance of an RNA Pol IV mutation is sufficient to rescue seed abortion caused by excess paternal genome dosage. Thus, RNA Pol IV mediates transcriptional balance between maternally and paternally inherited genomes in endosperm.

2017-12-15 | GSE94787 | GEO

A small RNA pathway mediates allelic dosage in endosperm [mRNA-seq]

2017-12-15 | GSE94786 | GEO

Methylation screening of reciprocal genome-wide UPDs identifies novel human specific imprinted genes

Project description:Utilizing reciprocal genome-wide uniparental disomy samples presenting with Beckwith-Wiedemann and Silver-Russell syndrome-like phenotypes, we have analyzed ~0.1% of CpG dinucleotides present in the human genome for imprinted differentially methylated regions (DMRs) using the Illumina Infinium HumanMethylation27 BeadChip microarray. This approach identified 15 imprinted DMRs associated with previously characterized imprinted domains, and confirmed the maternal methylation of the RB1 DMR. In addition, we discovered two novel DMRs: a maternally methylated region overlapping the FAM50B promoter CpG island, which results in paternal expression of this retrotransposon, and a paternally methylated region located between maternally expressed ZNF597 and NAT15 genes. We analyzed reciprocal genome-wide uniparental disomy samples (one maternal UPD and three paternal UPD samples) and six different normal somatic tissues derived from the three germinal layers (lymphocytes, buccal cells, placenta, brain, muscle, and fat) .

2011-05-26 | E-GEOD-28525 | biostudies-arrayexpress

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