Cited by 343Cardiac Fibrosis and RemodelingAtherosclerosis and Cardiovascular DiseasesTransplantation: Methods and Outcomes

Single-Cell Sequencing of Mouse Heart Immune Infiltrate in Pressure Overload–Driven Heart Failure Reveals Extent of Immune Activation

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Martini, Elisa, Kunderfranco, Paolo, Peano, Clelia, Carullo, Pierluigi, Cremonesi, Marco, Schorn, Tilo, Carriero, Roberta, Termanini, Alberto +16 more·2019·Circulation

Abstract

BACKGROUND: Inflammation is a key component of cardiac disease, with macrophages and T lymphocytes mediating essential roles in the progression to heart failure. Nonetheless, little insight exists on other immune subsets involved in the cardiotoxic response. METHODS: cells, we obtained a higher resolution identification of the immune cell subsets in the heart, at early and late stages of disease and in controls. We then integrated our findings using multiparameter flow cytometry, immunohistochemistry, and tissue clarification immunofluorescence in mouse and human. RESULTS: We found that most major immune cell subpopulations, including macrophages, B cells, T cells and regulatory T cells, dendritic cells, Natural Killer cells, neutrophils, and mast cells are present in both healthy and diseased hearts. Most cell subsets are found within the myocardium, whereas mast cells are found also in the epicardium. Upon induction of pressure overload, immune activation occurs across the entire range of immune cell types. Activation led to upregulation of key subset-specific molecules, such as oncostatin M in proinflammatory macrophages and PD-1 in regulatory T cells, that may help explain clinical findings such as the refractivity of patients with heart failure to anti-tumor necrosis factor therapy and cardiac toxicity during anti-PD-1 cancer immunotherapy, respectively. CONCLUSIONS: Despite the absence of infectious agents or an autoimmune trigger, induction of disease leads to immune activation that involves far more cell types than previously thought, including neutrophils, B cells, Natural Killer cells, and mast cells. This opens up the field of cardioimmunology to further investigation by using toolkits that have already been developed to study the aforementioned immune subsets. The subset-specific molecules that mediate their activation may thus become useful targets for the diagnostics or therapy of heart failure.

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Crossref · 10.1161/circulationaha.119.041694

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Authors
Martini, E., Kunderfranco, P., Peano, C., Carullo, P., Cremonesi, M., Schorn, T., Carriero, R., Termanini, A., Colombo, F. S., Jachetti, E., Panico, C., Faggian, G., Fumero, A., Torracca, L., Molgora, M., Cibella, J., Pagiatakis, C., Brummelman, J., Alvisi, G., Mazza, E. M. C., Colombo, M. P., Lugli, E., Condorelli, G., & Kallikourdis, M.
Affiliations
  • IRCCS Humanitas Research Hospital (IT)
  • Institute of Genetic and Biomedical Research (IT)
  • Humanitas University (IT)
  • Fondazione IRCCS Istituto Nazionale dei Tumori (IT)
  • University of Verona (IT)
  • Cardiac Surgery Division, Department of Cardiovascular Medicine (A.F., L.T.), Humanitas Clinical and Research Center, Rozzano, Milan, Italy.
  • Fondazione Humanitas per la Ricerca (IT)
Corresponding author
  • Martini, Elisa
  • Kunderfranco, Paolo
Venue
Circulation
Published
2019-12-17
Volume
140
Issue
25
Pages
2089-2107
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2982367920
Cited by
341
References
52
Citations by year
2026: 31 · 2025: 56 · 2024: 58 · 2023: 57 · 2022: 57 · 2021: 50 · 2020: 31 · 2019: 1
FWCI
25.11
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
  • IrInSubria (University of Insubria) (submittedVersion, cc-by)
  • Radboud Repository (Radboud University) (submittedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Transplantation: Methods and Outcomes
Keywords
heart failure, pressure overload, cardiac inflammation, macrophages, T cells, regulatory T cells, mast cells, neutrophils, natural killer cells, dendritic cells, B cells, oncostatin M, PD-1, epicardium
MeSH terms
Animals, B-Lymphocytes, Dendritic Cells, Flow Cytometry, Heart Failure, Humans, Immunity, Cellular, Killer Cells, Natural, Mice, Inbred C57BL, Myocardium, Neutrophils, Sequence Analysis, RNA, Mice, Single-Cell Analysis

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