Cited by 637Single-cell and spatial transcriptomicsGenetics, Aging, and Longevity in Model OrganismsAdvanced Proteomics Techniques and Applications

An atlas of the aging lung mapped by single cell transcriptomics and deep tissue proteomics

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Angelidis, Ilias, Simon, Lukas M., Fernandez, Isis E., Strunz, Maximilian, Mayr, Christoph H., Greiffo, Flavia R., Tsitsiridis, George, Ansari, Meshal +8 more·2019·Nature Communications

Published version of a preprint

Abstract

Aging promotes lung function decline and susceptibility to chronic lung diseases, which are the third leading cause of death worldwide. Here, we use single cell transcriptomics and mass spectrometry-based proteomics to quantify changes in cellular activity states across 30 cell types and chart the lung proteome of young and old mice. We show that aging leads to increased transcriptional noise, indicating deregulated epigenetic control. We observe cell type-specific effects of aging, uncovering increased cholesterol biosynthesis in type-2 pneumocytes and lipofibroblasts and altered relative frequency of airway epithelial cells as hallmarks of lung aging. Proteomic profiling reveals extracellular matrix remodeling in old mice, including increased collagen IV and XVI and decreased Fraser syndrome complex proteins and collagen XIV. Computational integration of the aging proteome with the single cell transcriptomes predicts the cellular source of regulated proteins and creates an unbiased reference map of the aging lung.

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  • An extensive survey of the literature identified a total of eighteen 'gold standard' datasets that met the criteria of matched bulk and scRNA-seq performed on the same population of purified cells, exposed to the same perturbations, and sequenced in the same laboratories.

    “An extensive survey of the literature identified a total of eighteen ‘gold standard’ datasets that met these criteria (Fig. 1a ) 12 – 15 .”
  • Manual validation of cell type annotation was performed and was consistent with previous studies.

    “After classification, we performed a manual validation of cell type annotation consistent with previous studies (Supplemental Methods; Park et al. 2018; The Tabula Muris Consortium 2018; Angelidis et al. 2019).”
  • Alternative measures of cell-cell heterogeneity using heuristically selected subsets of genes were highly correlated with the primary method.

    “We also considered alternative measures of cell–cell heterogeneity using heuristically selected subsets of genes as in previous reports (Enge et al. 2017; Angelidis et al. 2019) and found that results were highly correlated with our primary method (Supplemental Fig. S12; Supplemental Methods).”
  • Cell identities differentially express unique genes with aging.

    “We found that cell identities differentially express unique genes with aging, consistent with previous reports of cell-identity-specific aging phenotypes (Angelidis et al. 2019).”
  • An extensive literature survey identified eighteen gold standard datasets that met the criteria of matched bulk and scRNA-seq on the same purified cell population, exposed to the same perturbations, and sequenced in the same laboratories.

    “An extensive survey of the literature identified a total of eighteen ‘gold standard’ datasets that met these criteria (Fig. 1a)12–15.”

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Authors
Angelidis, I., Simon, L. M., Fernandez, I. E., Strunz, M., Mayr, C. H., Greiffo, F. R., Tsitsiridis, G., Ansari, M., Graf, E., Strom, T.-M., Nagendran, M., Desai, T., Eickelberg, O., Mann, M., Theis, F. J., & Schiller, H. B.
Affiliations
  • Helmholtz Munich (DE)
  • Institute for Stem Cell Biology and Regenerative Medicine (US)
  • University of Colorado Anschutz (US)
  • Max Planck Institute of Biochemistry (DE)
Corresponding author
  • Theis, Fabian J.
  • Schiller, Herbert B.
Venue
Nature Communications
Published
2019-02-27
Volume
10
Issue
1
Pages
963-963
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2953064750
Cited by
637
References
71
Citations by year
2026: 51 · 2025: 96 · 2024: 86 · 2023: 114 · 2022: 94 · 2021: 89 · 2020: 76 · 2019: 28 · 2018: 2
FWCI
23.61
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion, other-oa)
  • mediaTUM (Technical University of Munich) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Funders
  • European Commission (753039, HORIZON2020)
  • Bundesministerium für Bildung und Forschung
  • Deutsches Zentrum für Lungenforschung
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
Keywords
lung aging, lung proteome, single-cell transcriptomics, transcriptional noise, epigenetic dysregulation, alveolar type II cells, lipofibroblasts, airway epithelial cells, cholesterol biosynthesis, extracellular matrix remodeling, type IV collagen, chronic lung disease, mouse lung
MeSH terms
Aging, Animals, Cholesterol, Collagen, Epithelial Cells, Extracellular Matrix, Lung, Mice, Inbred C57BL, Proteome, Gene Expression Profiling, Proteomics, Mice, Single-Cell Analysis

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