Cited by 478Phagocytosis and Immune RegulationCell death mechanisms and regulationNeutrophil, Myeloperoxidase and Oxidative Mechanisms

Clearance of apoptotic neutrophils and resolution of inflammation

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Greenlee‐Wacker, Mallary C.·2016·Immunological Reviews

Abstract

Summary: The engulfment of apoptotic cells by phagocytes, a process referred to as efferocytosis, is essential for maintenance of normal tissue homeostasis and a prerequisite for the resolution of inflammation. Neutrophils are the predominant circulating white blood cell in humans, and contain an arsenal of toxic substances that kill and degrade microbes. Neutrophils are short‐lived and spontaneously die by apoptosis. This review will highlight how the engulfment of apoptotic neutrophils by human phagocytes occurs, how heterogeneity of phagocyte populations influences efferocytosis signaling, and downstream consequences of efferocytosis. The efferocytosis of apoptotic neutrophils by macrophages promotes anti‐inflammatory signaling, prevents neutrophil lysis, and dampens immune responses. Given the immunomodulatory properties of efferocytosis, understanding pathways that regulate and enhance efferocytosis could be harnessed to combat infection and chronic inflammatory conditions.

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Crossref · 10.1111/imr.12453

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  • Mature neutrophils circulate in the bloodstream for 10-24 h before migrating to tissues, where they remain for 1-2 days before undergoing apoptosis and being cleared by macrophages.

    “Mature neutrophils are released into the bloodstream, where they circulate for 10–24 h before migrating to tissues, where they remain for the next 1–2 days before undergoing apoptosis and being cleared by macrophages [211].”

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Authors
Greenlee‐Wacker, M. C.
Affiliations
University of Iowa (US)
Corresponding author
Greenlee‐Wacker, Mallary C.
Venue
Immunological Reviews
Publisher
Wiley
Published
2016-08-25
Volume
273
Issue
1
Pages
357-370
ISSN
  • 0105-2896 (ISSN-L)
  • 1600-065X
OpenAlex
W2516344353
Cited by
478
References
161
Citations by year
2026: 58 · 2025: 66 · 2024: 58 · 2023: 56 · 2022: 48 · 2021: 43 · 2020: 48 · 2019: 43 · 2018: 35 · 2017: 20 · 2016: 3
FWCI
3.25
Type
journal article
Language
en
Open access
Locations
  • Immunological Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (AI070958, AI044642)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
Keywords
efferocytosis, apoptotic neutrophils, inflammation resolution, phagocytes, macrophages, anti-inflammatory signaling, immunomodulation, neutrophil lysis, tissue homeostasis, chronic inflammation
MeSH terms
Animals, Humans, Immunity, Innate, Inflammation, Macrophages, Neutrophils, Phagocytosis, Signal Transduction, Apoptosis, Immunomodulation

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