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E-PROT-81

ABSTRACT: The protein expression landscape of the heart across humans and model organisms

TISSUE(S): Left Cardiac Atrium, Heart Right Ventricle, Heart Left Ventricle, Right Cardiac Atrium

PROVIDER: E-PROT-81 | ExpressionAtlas | 2022-01-14

REPOSITORIES: ExpressionAtlas

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Dataset's files

Source:

			Action	DRS
	E-PROT-81-MappedToGeneID.txt	Txt
	E-PROT-81-MaxQuant_Summary_ExpressionAtlas.pdf	Pdf
	E-PROT-81-analysis-methods.tsv	Tabular
	E-PROT-81-apply_fixes_zooma_mappings.done	Other
	E-PROT-81-configuration.xml	Xml

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E-PROT-120

Project description:The protein expression landscape of the heart across humans and model organisms

2024-02-20 | E-PROT-120 | ExpressionAtlas

Quantitative proteomics of human heart samples collected in vivo reveal the remodeled protein landscape of dilated left atrium without atrial fibrillation.

Project description:Genetic and genomic research has greatly advanced our understanding of heart disease; yet a comprehensive map of the protein landscape of living human hearts is still lacking. Here we set out to identify the molecular basis of functional differences between human cardiac chambers by comprehensive protein expression quantification from samples collected in vivo by high-resolution mass spectrometry. Cardiac biopsies of right atria (RA), left atria (LA) and left ventricle (LV) were obtained from seven humans undergoing open chest surgery and analyzed by high-resolution mass spectrometry. We identify hundreds of proteins with a chamber specific expression pattern, supporting the different functional roles of the cardiac chambers, enabling identification of chamber specific drug targets, and offering novel links between genomic data and the mechanisms of disease.

2020-06-15 | PXD008722 | Pride

E-PROT-62

Project description:Quantitative proteomics of human heart samples collected in vivo reveal the remodeled protein landscape of dilated left atrium without atrial fibrillation.

2022-01-10 | E-PROT-62 | ExpressionAtlas

Expression data from adult (9 month-old) hearts from GRK2 heterozygous C57BL/6J mice and its wild type littermates

Project description:G protein-coupled receptor kinase 2 (GRK2) has emerged as a key regulator of cardiac function and myocardial structure. Cardiac GRK2 is increased in heart failure and ischemia in humans, whereas genetic inhibition of GRK2 is cardioprotective in animal models of these pathologies. However, the mechanistic basis underlying these effects are not fully understood. We have used adult GRK2 hemizygous mice (GRK2+/-) as a model to assess the effects of a sustained systemic inhibition of GRK2 in heart tissue with age. We used microarrays to determine the global programme of gene expression underlying cardioprotection in GRK2 hemizygous mice. 9 month-old mice hearts were collected for RNA extraction and hybridization on Affymetrix microarrays.

2012-10-20 | E-GEOD-41706 | biostudies-arrayexpress

Expression data from adult (9 month-old) and young (4 month-old) hearts from GRK2 heterozygous C57BL/6J mice.

Project description:G protein-coupled receptor kinase 2 (GRK2) has emerged as a key regulator of cardiac function and myocardial structure. Cardiac GRK2 is increased in heart failure and ischemia in humans, whereas genetic inhibition of GRK2 is cardioprotective in animal models of these pathologies. However, the mechanistic basis underlying these effects are not fully understood. We have used adult GRK2 hemizygous mice (GRK2+/-) as a model to assess the effects of a sustained systemic inhibition of GRK2 in heart tissue with age. We used microarrays to determine the global programme of gene expression underlying cardioprotection in GRK2 hemizygous mice with age. 9 month-old and 4 month-old mice hearts were collected for RNA extraction and hybridization on Affymetrix microarrays.

2012-10-25 | E-GEOD-41808 | biostudies-arrayexpress

Expression data from young (4 month-old) hearts from GRK2 heterozygous C57BL/6J mice and its wild type littermates

Project description:G protein-coupled receptor kinase 2 (GRK2) has emerged as a key regulator of cardiac function and myocardial structure. Cardiac GRK2 is increased in heart failure and ischemia in humans, whereas genetic inhibition of GRK2 is cardioprotective in animal models of these pathologies. However, the mechanistic basis underlying these effects are not fully understood. We have used adult GRK2 hemizygous mice (GRK2+/-) as a model to assess the effects of a sustained systemic inhibition of GRK2 in heart tissue with age. We used microarrays to determine the global programme of gene expression underlying cardioprotection in GRK2 hemizygous mice. 4 month-old mice hearts were collected for RNA extraction and hybridization on Affymetrix microarrays.

2012-10-25 | E-GEOD-41809 | biostudies-arrayexpress

The alternative splicing landscape of infarcted mouse heart identifies isoform level therapeutic targets

Project description:Alternative splicing is an important process that contributes to highly diverse transcripts and protein products, which can affect the development of disease in various organisms. Cardiovascular disease (CVD) represents one of the greatest global threats to humans, particularly acute myocardial infarction (MI) and subsequent ischemic reperfusion (IR) injury, which involve complex transcriptomic changes in heart tissues associated with metabolic reshaping and immunological response. In this study, we used a newly developed ONT full-length transcriptomic approach and performed transcript-resolved differential expression profiling in murine models of MI and IR. We built an analytical pipeline to reliably identify and quantify alternative splicing products (isoforms), expanding on the currently available catalog of isoforms described in mice. The updated alternative splicing landscape included transcripts, genes, and pathways that were differentially regulated during IR and MI. Our study establishes a pipeline to profile highly diverse isoforms using state-of-the-art long-read sequencing, builds a landscape of alternative splicing in the mouse heart during MI and IR.

2024-08-31 | GSE275835 | GEO

Quantitative proteomics profiling determines the uniqueness of the sinus node

Project description:The sinus node is a collection of highly specialized cells that constitute the natural pacemaker activity of our heart. The protein expression landscape of the sinus node differs from the surrounding cardiac tissue, although it is primarily comprised of myocytes and fibroblasts like the rest of the cardiac tissue, endowing it with its unique ability to regulate heart rate. Here we performed quantitative proteomics experiments to profile protein expression in the pacemaker of the heart, and compared it to protein expression in the neighbouring atrial muscle. In summary, the quantitative proteomics data presented here offer a highly detailed insight into the unique composition of the pacemaker of our heart.

2019-07-08 | PXD008736 | Pride

Expression data from adult (9 month-old) and young (4 month-old) hearts from C57BL/6J mice

Project description:G protein-coupled receptor kinase 2 (GRK2) has emerged as a key regulator of cardiac function and myocardial structure. Cardiac GRK2 is increased in heart failure and ischemia in humans, whereas genetic inhibition of GRK2 is cardioprotective in animal models of these pathologies. However, the mechanistic basis underlying these effects are not fully understood. We have used adult GRK2 hemizygous mice (GRK2+/-) as a model to assess the effects of a sustained systemic inhibition of GRK2 in heart tissue with age. We used microarrays to determine the global programme of gene expression underlying cardioprotection with age in GRK2 hemizygous mice in comparation with their wild-type littermates. 9 month-old and 4 month-old mice hearts were collected for RNA extraction and hybridization on Affymetrix microarrays.

2012-10-25 | E-GEOD-41807 | biostudies-arrayexpress

The UniProtKB/Swiss-Prot Tox-Prot program: A central hub of integrated venom protein data.

Project description:Animal toxins are of interest to a wide range of scientists, due to their numerous applications in pharmacology, neurology, hematology, medicine, and drug research. This, and to a lesser extent the development of new performing tools in transcriptomics and proteomics, has led to an increase in toxin discovery. In this context, providing publicly available data on animal toxins has become essential. The UniProtKB/Swiss-Prot Tox-Prot program (http://www.uniprot.org/program/Toxins) plays a crucial role by providing such an access to venom protein sequences and functions from all venomous species. This program has up to now curated more than 5000 venom proteins to the high-quality standards of UniProtKB/Swiss-Prot (release 2012_02). Proteins targeted by these toxins are also available in the knowledgebase. This paper describes in details the type of information provided by UniProtKB/Swiss-Prot for toxins, as well as the structured format of the knowledgebase.

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