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Cardiac transcriptome analysis of BBLN-transgenic mice by NGS

ABSTRACT: The study applied NGS to determine the cardiac transcriptomes of BBLN-transgenic mice with FVB/N background in comparison to those of non-transgenic FVB/N mice at an age of 8 months. The BBLN (Bublin coiled-coil protein) is the chromosome 9 open reading frame, C9orf16, with largely unknown function. To investigate the cardiac phenotype of increased cardiac BBLN transcript levels we generated BBLN-transgenic (Tg-BBLN) mice. Echocardiography documented that Tg-BBLN mice developed features of heart failure at an age of 8 months. To elucidate pathomechanisms of heart failure induced by BBLN, we performed NGS of the cardiac transcriptomes of eight-month-old, male, BBLN-transgenic mice with cardiac-specific expression of BBLN under control of the myocardium-specific, alpha-MHC promoter. The non-transgenic control group are age-matched, male, nontransgenic FVB/N mice. NGS data of this study document transcriptome changes underlying the heart failure phenotype induced by transgenic BBLN expression.

ORGANISM(S): Mus musculus

PROVIDER: GSE241161 | GEO | 2023/09/18

REPOSITORIES: GEO

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Project description:To investigate ageing-related changes in cardiac transcriptome of FVB mice we performed differential gene expression profiling analysis using data obtained from RNA-seq of five life time points (4-, 8-, 10-, 12-, 14 months) by comparing older FVB mice (8-, 10-, 12-, 14 months) to young 4-month-old FVB mice (FVB vs. FVB analysis). Genes that were differentially expressed in FVB vs. FVB analysis were also annotated to the respective biological processes based on Gene Ontology database, assessed for their overrepresentation to indicate processes involved in cardic ageing process in FVB mice. To investigate heart failure-related as well as ageing-related changes in cardiac transcriptome of Tgαq*44 mice we performed differential gene expression profiling analysis using data obtained from RNA-seq of five life time points (4-, 8-, 10-, 12-, 14 months) by comparing Tgαq*44 to age-matched FVB mice (Tgαq*44 vs. FVB analysis). Genes that were differentially expressed in Tgαq*44 vs. FVB analysis were also annotated to the respective biological processes based on Gene Ontology database, assessed for their overrepresentation to indicate processes iniciated along heart failure development as well as cardiac ageing process in Tgαq*44 mice. To investigate early activated ageing-related changes in cardiac transcriptome of Tgαq*44 mice during entire heart failure development we searched for the presence of ageing-related genes (those identified in cardiac transcriptome of older FVB mice) among genes which were differentially expressed commonly at each measured time points in Tgαq*44 vs. FVB analysis. To investigate early activated aging-related biological processes in cardiac transcriptome of Tgαq*44 mice during entire heart failure development, we searched for the presence of ageing-related processes (those identified in cardiac transcriptome of older FVB mice) among processes which were overrepresented commonly at each measured time points in Tgαq*44 vs. FVB analysis.

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Cardiac transcriptome analysis of BBLN-transgenic mice by NGS

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