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Lipid droplet accumulation in microglia and their potential roles

Yunxia Li1, Qi Zhao1, Yan Wang1,2

  • 1Department of Histology and Embryology, Medical College, Nantong University, Nantong, Jiangsu, China.

Lipids in Health and Disease
|June 13, 2025
PubMed

Insights

Lipid droplets (LDs) in microglia are key to central nervous system (CNS) health. Understanding lipid-droplet-accumulating microglia (LDAM) offers new therapeutic targets for CNS disorders.

Area of Science:

  • Neuroscience
  • Immunology
  • Cell Biology

Background:

  • Microglia are the CNS's immune cells, crucial for homeostasis.
  • Lipid metabolism and droplet accumulation in microglia are vital.
  • Lipid droplets (LDs) play roles beyond energy storage in neuropathology.

Purpose of the Study:

  • To review LD formation, degradation, and modulation in microglia.
  • To focus on lipid-droplet-accumulating microglia (LDAM) and their CNS disorder implications.
  • To explore the therapeutic potential of targeting LDs in microglia.

Main Methods:

  • Literature review and synthesis of current evidence.
  • Analysis of microglial phenotypic changes and lipid metabolic reprogramming.
  • Investigation into the biological significance of LDs in microglia.

Main Results:

  • LDs are dynamic organelles involved in neuropathological processes.
  • A specific microglial subset, LDAM, is characterized by significant LD accumulation.
  • Microglial LD metabolism is reprogrammed in response to stimuli.

Conclusions:

  • LDs and LDAM are significant in CNS homeostasis and disease.
  • Targeting microglial lipid metabolism presents therapeutic opportunities for CNS disorders.
  • Further research into LD biology in microglia is warranted.
Keywords:
Central nervous systemLipid dropletsLipid metabolismMicrogliaNeurological disorders

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