Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions

Abstract Despite the wealth of publicly available single-cell datasets, our understanding of distinct resident immune cells and their unique features in diverse human organs remains limited. To address this, we compiled a meta-analysis dataset of 114,275 CD45+ immune cells sourced from 14 organs in...

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Main Authors: Maria Tsagiopoulou, Sonal Rashmi, Sergio Aguilar-Fernandez, Juan Nieto, Ivo G. Gut
Format: Article
Language:English
Published: Nature Portfolio 2024-03-01
Series:Scientific Data
Online Access:https://doi.org/10.1038/s41597-024-03152-z
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author Maria Tsagiopoulou
Sonal Rashmi
Sergio Aguilar-Fernandez
Juan Nieto
Ivo G. Gut
author_facet Maria Tsagiopoulou
Sonal Rashmi
Sergio Aguilar-Fernandez
Juan Nieto
Ivo G. Gut
author_sort Maria Tsagiopoulou
collection DOAJ
description Abstract Despite the wealth of publicly available single-cell datasets, our understanding of distinct resident immune cells and their unique features in diverse human organs remains limited. To address this, we compiled a meta-analysis dataset of 114,275 CD45+ immune cells sourced from 14 organs in healthy donors. While the transcriptome of immune cells remains relatively consistent across organs, our analysis has unveiled organ-specific gene expression differences (GTPX3 in kidney, DNTT and ACVR2B in thymus). These alterations are linked to different transcriptional factor activities and pathways including metabolism. TNF-α signaling through the NFkB pathway was found in several organs and immune compartments. The presence of distinct expression profiles for NFkB family genes and their target genes, including cytokines, underscores their pivotal role in cell positioning. Taken together, immune cells serve a dual role: safeguarding the organs and dynamically adjusting to the intricacies of the host organ environment, thereby actively contributing to its functionality and overall homeostasis.
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spelling doaj.art-0124732cb7f644b6a87552e2e7fd30552024-03-31T11:10:24ZengNature PortfolioScientific Data2052-44632024-03-0111111310.1038/s41597-024-03152-zMulti-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functionsMaria Tsagiopoulou0Sonal Rashmi1Sergio Aguilar-Fernandez2Juan Nieto3Ivo G. Gut4Centro Nacional de Analisis Genomico (CNAG)Centro Nacional de Analisis Genomico (CNAG)Centro Nacional de Analisis Genomico (CNAG)Centro Nacional de Analisis Genomico (CNAG)Centro Nacional de Analisis Genomico (CNAG)Abstract Despite the wealth of publicly available single-cell datasets, our understanding of distinct resident immune cells and their unique features in diverse human organs remains limited. To address this, we compiled a meta-analysis dataset of 114,275 CD45+ immune cells sourced from 14 organs in healthy donors. While the transcriptome of immune cells remains relatively consistent across organs, our analysis has unveiled organ-specific gene expression differences (GTPX3 in kidney, DNTT and ACVR2B in thymus). These alterations are linked to different transcriptional factor activities and pathways including metabolism. TNF-α signaling through the NFkB pathway was found in several organs and immune compartments. The presence of distinct expression profiles for NFkB family genes and their target genes, including cytokines, underscores their pivotal role in cell positioning. Taken together, immune cells serve a dual role: safeguarding the organs and dynamically adjusting to the intricacies of the host organ environment, thereby actively contributing to its functionality and overall homeostasis.https://doi.org/10.1038/s41597-024-03152-z
spellingShingle Maria Tsagiopoulou
Sonal Rashmi
Sergio Aguilar-Fernandez
Juan Nieto
Ivo G. Gut
Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
Scientific Data
title Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
title_full Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
title_fullStr Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
title_full_unstemmed Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
title_short Multi-organ single-cell transcriptomics of immune cells uncovered organ-specific gene expression and functions
title_sort multi organ single cell transcriptomics of immune cells uncovered organ specific gene expression and functions
url https://doi.org/10.1038/s41597-024-03152-z
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