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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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ENU derived mouse line AEA001: A model for osteoporosis carrying a mutation in Ednra

ABSTRACT: Transcriptome analysis of white adipose tissue and bone (femur of the hind limbs) of the AEA001 mutant mouse. ENU generated mouse lines for osteoporosis. The mutation in the Ednra gene causes big ears and a flat short head. Due to a decreased body mass and a trend towards decreased glucose level white adipose tissue was analysed. Total RNA obtained from 4 male mutant mice was compared to 4 controls.

ORGANISM(S): Mus musculus

SUBMITTER: Marion Horsch

PROVIDER: E-GEOD-40428 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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ENU derived mouse line AEA001: A model for osteoporosis carrying a mutation in Ednra

Project description:Transcriptome analysis of white adipose tissue and bone (femur of the hind limbs) of the AEA001 mutant mouse. ENU generated mouse lines for osteoporosis. The mutation in the Ednra gene causes big ears and a flat short head. Due to a decreased body mass and a trend towards decreased glucose level white adipose tissue was analysed.

2014-09-01 | GSE40428 | GEO

ENU mutagenesis derived Ednray129F-/- mice as a new model for human velocardiofacial syndrome/DiGeorg syndrome (VCFS/DGS)

Project description:Human velocardiofacial syndrom/DiGeorg (VCFS/DGS) syndrom is a complex developmental disease with various expression of a large number of phenotypes. Craniofacial, cardiac, behavioural and endocrinological phenotypes are cardinal symptoms liked to the 22Q11.2 deletion occuring in 1/4.000 births. Several genes located within the 1.5 to 3 Mb deletion resemble a number of phenotypes demonstrated in mouse models for these genes including the endothelin receptor A (Ednra) gene. This is the first report on gene dosage effects observed in a dominant mouse model carrying an EdnraY129F point-mutation. EdnraY129F/+ mice are viable despite a strong cardiac phenotype alike to Fallot's tetralogy concomitant with cardiofacial, otolaryngeal phenotypes and deafness. Total RNA obtained from 4 male heterzygote and 4 male wildtype mice

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Jag1K295*/+ as a mouse model for Alagille syndrome

Project description:A new mouse mutant was identified at the Munich ENU mutagenesis project due to hyperactivity, head tossing, and circling behaviour. Neurological and gross morphological phenotyping of these mutant mice revealed impairment of the vestibular system. Using whole genome exome sequencing and a custom-made variant calling pipeline, we identified the causative mutation as an A->T substitution on the chromosome 2 at the position 128 in the exon 6 of jagged 1 (Jag1) gene. This introduces a premature termination codon at the position 883 of the cDNA. In humans, mutations in the JAG1 gene are associated with Alagille syndrome (ALGS1 ), a multisystem developmental disorder mainly affecting small bile ducts in the liver, but also heart, skeleton, and eyes, and occasionally also kidney or inner ears. Further examination of the Jag1K295*/+ mutant mouse line disclosed multiorgan deficiencies, such as cardiac liver congestion, bile duct hypoplasia, mild nephropathy, subvalvular hypertrophy of the right ventricle, and mild growth retardation. No skeletal abnormalities could be detected. In summary, we report a novel mouse model for Alagille syndrome, Jag1K295*/+, which resembles most of the features of the mild form of Alagille syndrome observed in patients. Total RNA obtained from liver of 4 male heterozygous Jag1K295*/+ and 4 male wildtype mice

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Generation and standardized, systemic phenotypic analysis of Kctd1 mutant mice

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Cancerous inhibitor of Protein Phosphatase 2A is a novel cell-autonomous regulator governing both T-and B-cell activation in vivo

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Beneficial Metabolic Effects of Rapamycin are Associated with Enhanced Regulatory Cells in Diet-Induced Obese Mice.

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2014-02-01 | E-GEOD-53980 | biostudies-arrayexpress

Peroxidasin is essential for eye development

Project description:Within a mutatgenesis screen, we identified the new recessive mouse mutant KTA48 with a kinky tail, white spots on coat and with small eyes. Aim of the actual study was the molecular characterization of the mutant and the functional consequences of the mutation. We mapped the mutation to mouse chromosome 12 within a critical interval of 2.4 Mb between the markers D12Mit171 and D12Mit270; sequence analysis of Pxdn revealed a T->A mutation at position 3816 (T3816A) resulting in a premature stop codon (Cys1272X) in teh perosidasin domain. Histological analysis revealed variable, but severe defects in teh eye including all major ocular tissues (cornea, lens and retina). These findings demonstrate severe clinical findings of a recessive mutation affecting peroxidasin. Total RNA obtained from homozygote embryos E12.5 and wildtype embryos E12.5, each sample include 4 eyes of two embryos

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Restless Legs Syndrome-associated variant in MEIS1 confers altered gene expression in embryonic ganglionic eminences

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2014-01-29 | E-GEOD-44592 | biostudies-arrayexpress

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