Cited by 299Phagocytosis and Immune RegulationNeuroinflammation and Neurodegeneration MechanismsCell death mechanisms and regulation

Glucocorticoids promote nonphlogistic phagocytosis of apoptotic leukocytes

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Liu, Yuqing, Cousin, Joanne M, Hughes, Jeremy, Van Damme, Jo, Seckl, Jonathan R, Haslett, Christopher, Dransfield, Ian, Savill, John +1 more·1999·The Journal of Immunology

Abstract

Phagocyte recognition, uptake, and nonphlogistic degradation of neutrophils and other leukocytes undergoing apoptosis promote the resolution of inflammation. This study assessed the effects of anti-inflammatory glucocorticoids on this leukocyte clearance mechanism. Pretreatment of “semimature” 5-day human monocyte-derived macrophages (Mφ) for 24 h with methylprednisolone, dexamethasone, and hydrocortisone, but not the nonglucocorticoid steroids aldosterone, estradiol, and progesterone, potentiated phagocytosis of apoptotic neutrophils. These effects were specific in that the potentiated phagocytosis of apoptotic neutrophils was completely blocked by the glucocorticoid receptor antagonist RU38486, and glucocorticoids did not promote 5-day Mφ ingestion of opsonized erythrocytes. Similar glucocorticoid-mediated potentiation was observed with 5-day Mφ uptake of alternative apoptotic “targets” (eosinophils and Jurkat T cells) and in uptake of apoptotic neutrophils by alternative phagocytes (human glomerular mesangial cells and murine Mφ elicited into the peritoneum or derived from bone marrow). Importantly, methylprednisolone-mediated enhancement of the uptake of apoptotic neutrophils did not trigger the release of the chemokines IL-8 and monocyte chemoattractant protein-1. Furthermore, longer-term potentiation by methylprednisolone was observed in maturing human monocyte-derived Mφ, with greater increases in 5-day Mφ uptake of apoptotic cells being observed the earlier glucocorticoids were added during monocyte maturation into Mφ. We conclude that potentiation of nonphlogistic clearance of apoptotic leukocytes by phagocytes is a hitherto unrecognized property of glucocorticoids that has potential implications for therapies aimed at promoting the resolution of inflammatory diseases.

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Crossref · 10.4049/jimmunol.162.6.3639

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  • Glucocorticoids promote antiinflammatory macrophage populations.

    “glucocorticoids have been shown to promote antiinflammatory macrophage populations (70).”

    From An unrestrained proinflammatory M1 macrophage population induced by iron impairs wound healing in humans and mice (2011) · cites this paper as [70]

    The Abstract and Discussion report that glucocorticoids increase macrophage uptake of apoptotic leukocytes, a noninflammatory activity that may help resolve inflammation. They do not establish that glucocorticoids promote distinct antiinflammatory macrophage populations; the demonstrated effect is on phagocytic function. (LLM, conf=0.84)

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Authors
Liu, Y., Cousin, J. M., Hughes, J., Van Damme, J., Seckl, J. R., Haslett, C., Dransfield, I., Savill, J., & Rossi, A. G.
Affiliations
  • University of Nottingham (GB)
  • University of Edinburgh (GB)
  • Katholieke Universiteit Leuven, Rega Institute , Leuven ,
  • Western General Hospital (GB)
Corresponding author
  • Liu, Yuqing
  • Hughes, Jeremy
  • Savill, John
Venue
The Journal of Immunology
Published
1999-03
Volume
162
Issue
6
Pages
3639-3646
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1906626576
Cited by
299
References
48
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 7 · 2022: 9 · 2021: 8 · 2020: 6 · 2019: 14 · 2018: 9 · 2017: 6 · 2016: 11 · 2015: 7 · 2014: 12 · 2013: 17 · 2012: 8
FWCI
5.70
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Wellcome Trust (047273)
  • University of Nottingham
  • University of Edinburgh
  • Medical Research Council (047273)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
glucocorticoids, efferocytosis, apoptotic neutrophils, monocyte-derived macrophages, methylprednisolone, dexamethasone, cortisol, glucocorticoid receptor, inflammation resolution, monocyte maturation, chemokines, interleukin-8, MCP-1, mesangial cells, eosinophils, Jurkat cells
MeSH terms
Animals, Cell Differentiation, Cycloheximide, Female, Glucocorticoids, Humans, Inflammation, Leukocytes, Macrophages, Mice, Inbred BALB C, Models, Biological, Monocytes, Neutrophils, Phagocytosis, Receptors, Glucocorticoid, Cellular Senescence, Apoptosis, Jurkat Cells, Mice

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