
Overview
Comprehensive, large-scale single-cell profiling of healthy human blood at different ages is one of the critical pending tasks required to establish a framework for systematic understanding of human aging. Here, using single-cell RNA/TCR/BCR-seq with protein feature barcoding (20 antibodies), we profiled 317 samples from 166 healthy individuals aged 25 to 85 years old drawn over 3-year period. Dataset spanning ~2 million cells describes 50 subpopulations of blood immune cells, with 14 subpopulations changing with age, including a novel NKG2C+ CD8 Tcm population that decreases with age. We describe age-associated accumulation of Th2 and HLA-DR+ memory CD4 T cells, CCR4+ CD8 Tcm cells and GZMK+ CD8 Tem cells. We validate key findings using 30-plex spectral cytometry panel. We characterize patterns of antigen receptor clonality across subpopulations of T and B cells and describe their age-dependence. Our work provides novel insights into healthy human aging and unique annotated resource of unprecedented depth.
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AWS Data Exchange (ADX)
AWS Data Exchange is a service that helps AWS easily share and manage data entitlements from other organizations at scale.
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- How to use
- To access these resources, reference the Amazon Resource Name (ARN) using the AWS Command Line Interface (CLI). Learn more
- Description
- Raw sequencing data (fastq.gz), TCR/BCR clonotype tables (.csv), normalized counts matrix (.rds, .h5ad), UMAP coordinates (.csv), metadata (.csv), cytometry data (.fcs)
- Resource type
- S3 bucket
- Amazon Resource Name (ARN)
- arn:aws:s3:::single.cell.human.blood.atlas.opendata.sagebase.org
- AWS region
- us-east-1
- AWS CLI access (No AWS account required)
- aws s3 ls --no-sign-request s3://single.cell.human.blood.atlas.opendata.sagebase.org/
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How to cite
Single-Cell Atlas of Human Blood During Healthy Aging was accessed on DATE from https://registry.opendata.aws/singlecellhumanbloodatlas .
License
[CC BY]