Cited by 49Neuroinflammation and Neurodegeneration MechanismsFatty Acid Research and HealthPhagocytosis and Immune Regulation

Role of metabolic programming in the modulation of microglia phagocytosis by lipids

Nadjar, A.·2018·Prostaglandins, Leukotrienes and Essential Fatty Acids

Abstract

Microglia phagocytosis is an essential process to maintain lifelong brain homeostasis and clear potential toxic factors from the neuropil. Microglia can engulf cells or part of cells through the expression of specific receptors at their surface and activation of downstream signaling pathways to engulf material. Microglia phagocytosis is finely regulated and is under the dependence of many factors, including environmental cues such as dietary lipids. Yet, the molecular mechanisms implicated are still largely unknown. The present publication is a 'hypothesis review', assessing the possibility that lipid-mediated modulation of phagocytosis occurs by affecting bioenergetic pathways within microglia. I assess our present knowledge and the elements that allow drawing such hypothesis. I also list some of the important gaps in the literature that need to be filled in. I also consider opportunities for future therapeutic target including nutritional interventions.

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Crossref · 10.1016/j.plefa.2018.07.006

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30 of 30 references verified0 citation errors · 0 not checkable

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  • At sites of atherosclerotic lesions, lipid droplet rich foamy macrophages show decreased phagocytosis activity compared to macrophages without lipid droplets.

    “This finding is in line with a previous report which observed that at the sites of atherosclerotic lesions, lipid droplet rich foamy macrophages show decreased phagocytosis activity compared to macrophages without lipid droplets46.”
  • LD-accumulating microglia (LDAM) have phagocytosis deficits, produce excessive ROS and pro-inflammatory cytokines, and are implicated in the pathogenesis and progression of neuroinflammatory diseases.

    “LD accumulating microglia (LDAM) have phagocytosis deficits, produce excessive amounts of reactive oxygen species (ROS) and pro-inflammatory cytokines, and are increasingly implicated in the pathogenesis and progression of neuroinflammatory diseases [17,18,19].”

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Authors
Nadjar, A.
Affiliations
Université de Bordeaux (FR)
Corresponding author
Nadjar, A.
Venue
Prostaglandins, Leukotrienes and Essential Fatty Acids
Publisher
Elsevier BV
Published
2018-08
Volume
135
Pages
63-73
ISSN
0952-3278 (ISSN-L)
OpenAlex
W2883170738
Cited by
49
References
30
Citations by year
2026: 4 · 2025: 5 · 2024: 8 · 2023: 8 · 2022: 5 · 2021: 11 · 2020: 5 · 2019: 3
FWCI
0.45
Type
journal article
Language
en
Open access
closed
Locations
  • Prostaglandins Leukotrienes and Essential Fatty Acids (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-10-LABX-0043)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
Keywords
microglia, phagocytosis, metabolic programming, dietary fat, lipid receptors, brain homeostasis, dietary intervention, therapeutic target
MeSH terms
Animals, Dietary Fats, Energy Metabolism, Humans, Phagocytosis, Signal Transduction, Microglia, Lipid Metabolism

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