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A natural loss-of-function deletion of the cytohesin 1 (Cyth1) gene in BALB/cByJ mice does not impact cardiomyocyte polyploidy

ABSTRACT: A natural loss-of-function deletion of the cytohesin 1 (Cyth1) gene in BALB/cByJ mice does not impact cardiomyocyte polyploidy

PROVIDER: PRJNA1114668 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29125076_1.fastq.gz	Fastqsanger.gz
	SRR29125076_2.fastq.gz	Fastqsanger.gz
	SRR29125077_1.fastq.gz	Fastqsanger.gz
	SRR29125077_2.fastq.gz	Fastqsanger.gz
	SRR29125078_1.fastq.gz	Fastqsanger.gz

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A natural loss-of-function deletion of the cytohesin 1 (Cyth1) gene in BALB/cByJ mice does not impact cardiomyocyte polyploidy

Project description:Mammalian cardiomyocytes (CMs) mostly become polyploid shortly after birth. Because this feature may relate to several aspects of heart biology, including regeneration after injury, the mechanisms that cause polyploidy are of interest. BALB/cJ and BALB/cByJ mice are highly related sister strains that diverge substantially in CM ploidy. We identified a large deletion in the Cyth1 gene that arose uniquely in BALB/cByJ mice that creates a null allele. The deletion also results in ectopic transcription of the downstream gene Dnah17, although this transcript is unlikely to encode a protein. By evaluating the natural null allele from BALB/cByJ and an engineered knockout allele in the C57BL/6 background, we determined that absence of Cyth1 does not by itself influence CM ploidy. The ready availability of BALB/cByJ mice may be helpful to other investigations of Cyth1 in other biological processes.

2024-05-27 | GSE268101 | GEO

Genetic basis of thermal nociceptive sensitivity and brain weight in a BALB/c reduced complexity cross: BALB/cJ vs BALB/cByJ Spinal Cord RNAseq

Project description:We found BALB/cByJ mice showed enhanced sensitivity on the 53.5°C hot plate and mechanical stimulation in the von Frey test compared to BALB/cJ mice and replicated decreased gross brain weight in BALB/cByJ versus BALB/cJ. We then identified a quantitative trait locus (QTL) on chromosome 13 for hot plate sensitivity (LOD = 10.7; p < 0.001; peak = 56 Mb) and a QTL for brain weight on chromosome 5 (LOD = 8.7; p < 0.001). Expression QTL mapping of brain tissues identified H2afy (56.07 Mb) as the top transcript with the strongest association at the hot plate locus (FDR = 0.0002) and spliceome analysis identified differential exon usage within H2afy associated with the same locus. These data are spinal cord RNAseq to confirm differential expression of H2afy and other candidate genes.

2022-02-10 | GSE196302 | GEO

Comparison of MBT/Pas and BALB/cByJ MEFs response after infection with Rift Valley Fever virus

Project description:The Rift Valley Fever (RVF) is an arthropod-borne disease present in several countries of Africa and Middle East. It is caused by RVF virus which can infect both humans and animals. In humans, it leads to various manifestations including hepatitis, encephalitis and death, while in domestic animals it usually causes miscarriage in pregnant females and it is often fatal for the newborn. Not all people or animal infected by the virus present the same disease. Some patients exhibit unapparent or moderate febrile reactions, while others develop severe symptoms. This observation suggests that host genetic factors play a role in controlling the outcome of infection. In this work, we compare the response of two different inbred strains of mice, MBT/Pas and BALB/cByJ, to infection with RVF virus. These strains exhibit different profiles of susceptibility to RVF virus infection. Indeed, MBT/Pas mice rapidly develop high viraemia and die soon after infection, while BALB/cByJ mice have a lower viraemia and die later. Interestingly, mouse embryonic fibroblasts (MEFs) obtained from MBT/Pas foetuses allows higher viral production than BALB/cByJ MEFs. Keywords: expression profiling The experiment was designed to include ARN samples from MBT/Pas and BALB/cByJ MEFs infected with the Rift Valley Fever (RVF) virus, and their respective mock-infected controls; each one of those in triplicate. Therefore, we have used 12 different samples for the study, divided as follows: 3 samples of RVF virus-infected BALB/cByJ MEFs, 3 samples of mock-infected BALB/cByJ MEFs, 3 samples of RVF virus-infected MBT/Pas MEFs and 3 samples of mock-infected MBT/Pas MEFs. Each RNA was extracted from a different culture well.

2010-08-31 | E-GEOD-18064 | biostudies-arrayexpress

Comparison of MBT/Pas and BALB/cByJ MEFs response after infection with Rift Valley Fever virus

2010-08-31 | GSE18064 | GEO

H3K9-butyryl (H3K9Bu) and H3K9-acetyi (H3K9ac) genome patterns before and after transverse aortic constriction in Balb/cJ and Balc/cByJ mice

Project description:Balb/cJ mice on a low-fat diet show a decline in promoter H3K9-butyryl (H3K9Bu) in the heart, after subjecting them to transverse aortic constriction (TAC). In contrast, Balb/cByJ, which has a deletion in the ACADS gene, exhibit an increase in promoter H3K9Bu. Conversely, H3K9ac increases in the former and declines in the latter.

2021-05-11 | GSE165271 | GEO

Allelic variants between mouse substrains BALB/cJ and BALB/cByJ influence mononuclear cardiomyocyte composition and cardiomyocyte nuclear ploidy.

Project description:Most mouse cardiomyocytes (CMs) become multinucleated shortly after birth via endoreplication and interrupted mitosis, which persists through adulthood. The very closely related inbred mouse strains BALB/cJ and BALB/cByJ differ substantially (6.6% vs. 14.3%) in adult mononuclear CM level. This difference is the likely outcome of a single X-linked polymorphic gene that functions in a CM-nonautonomous manner, and for which the BALB/cByJ allele is recessive to that of BALB/cJ. From whole exome sequence we identified two new X-linked protein coding variants that arose de novo in BALB/cByJ, in the genes Gdi1 (R276C) and Irs4 (L683F), but show that neither affects mononuclear CM level individually. No BALB/cJ-specific X-linked protein coding variants were found, implicating instead a variant that influences gene expression rather than encoded protein function. A substantially higher percentage of mononuclear CMs in BALB/cByJ are tetraploid (66.7% vs. 37.6% in BALB/cJ), such that the overall level of mononuclear diploid CMs between the two strains is similar. The difference in nuclear ploidy is the likely result of an autosomal polymorphism, for which the BALB/cByJ allele is recessive to that of BALB/cJ. The X-linked and autosomal genes independently influence mitosis such that their phenotypic consequences can be combined or segregated by appropriate breeding, implying distinct functions in karyokinesis and cytokinesis.

| S-EPMC7200697 | biostudies-literature

RNA Expression QTL mapping in an F2 cross of BALB/cJ and BALB/cByJ mice to identify candidate genes for behavioral/metabolic QTLs

Project description:We found BALB/cByJ and BALB/cJ mice differ in their responses to oxycodone state dependent conditioned place preference, whole brain [oxycodone] and its metabolites [noroxycodone] and [oxymorphone] following oxycodone administration, the 53.5°C hot plate, mechanical stimulation in the von Frey test, and gross brain weight. We then identified a quantitative trait locus (QTL) on chromosome 15 for whole brain (LOD = 7.07; p < 0.001), 13 for hot plate sensitivity (LOD = 10.7; p < 0.001; peak = 56 Mb) and a QTL for brain weight on chromosome 5 (LOD = 8.7; p < 0.001). These tissues were used for expression QTL mapping to highlight the candidate genes Zhx2 (57 Mb) as the top transcript with the strongest association at the ch15 oxymorphone locus and identified H2afy (56 Mb) as the top transcript with the strongest association at the ch13 hot plate locus.

2022-02-11 | GSE196334 | GEO

RNA Expression in the left lateral lobe of the liver in BALB/cJ and BALB/cByJ substrains of mice to identify candidate mechanisms for Oxycodone QTLs

Project description:We found BALB/cByJ and BALB/cJ mice differ in their responses to oxycodone state dependent conditioned place preference, whole brain [oxycodone] and its metabolites [noroxycodone] and [oxymorphone] following oxycodone administration, the 53.5°C hot plate, mechanical stimulation in the von Frey test, and gross brain weight. We then identified a quantitative trait locus (QTL) on chromosome 15 for whole brain [Oxymorphone] (LOD = 7.07; p < 0.001), 13 for hot plate sensitivity (LOD = 10.7; p < 0.001; peak = 56 Mb) and a QTL for brain weight on chromosome 5 (LOD = 8.7; p < 0.001). These tissues were used to investigate the transcriptome of the liver in parental strain mice in order to generate hypothosis concerning the quantitative trait mechanism for our observed effects.

2022-03-14 | GSE198375 | GEO

RNA Expression QTL mapping in Striatum of an F2 cross of BALB/cJ and BALB/cByJ mice to identify candidate genes for behavioral/metabolic QTLs

2022-02-11 | GSE196352 | GEO

The effect of transverse aortic constriction on gene expression in Balb/cJ versus Balb/cByJ(∆ACADS) mice hearts

Project description:The effect of transverse aortic constriction on gene expression in Balb/cJ versus Balb/cByJ(∆ACADS) mice hearts

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