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Updated: Feb 26, 2026

Mitochondrial Preparation from Microglia for Glycan Analysis
Published on: May 30, 2025
The Role of Lipid Bodies in the Microglial Aging Process and Related Diseases
Xirong Hu1,2, Benhong Xu3,4, Wei Ge5,6
1State Key Laboratory of Medical Molecular Biology & Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, DongdanSantiao 5# Dongcheng District, Beijing, 100730, China.
Abstract:
Lipid bodies (LBs) have long been considered to be organelles merely for the storage of neutral lipids. However, recent studies have shown the significance of LBs in signal transduction, especially in glial cells, including microglia. Microglial cells are the resident mononuclear phagocytes in the central nervous system and have a close relationship with the aging process and neurodegenerative diseases. Evidence suggests that LBs accumulate and are remodeled during the aging process and the development of neuroinflammatory conditions. However, the mechanisms underlying the formation of LBs under these conditions and the mechanism by which LB remodeling influences the progression of neurodegeneration remain to be clarified. In this review, we have summarized the findings from recent studies with the aim of further elucidating these issues.
Insights
Lipid bodies (LBs) in microglia are more than storage; they play roles in cell signaling. This review explores LB formation and remodeling in aging and neuroinflammation.
Area of Science:
- Neuroscience
- Cell Biology
- Immunology
Background:
- Lipid bodies (LBs) were traditionally viewed as neutral lipid storage organelles.
- Recent research highlights their crucial role in signal transduction, particularly in glial cells like microglia.
- Microglia are central to the central nervous system's immune response and are implicated in aging and neurodegenerative diseases.
Purpose of the Study:
- To review current findings on the role of lipid bodies in microglial cells.
- To elucidate the mechanisms of LB formation and remodeling in aging and neuroinflammation.
- To understand how LB dynamics influence neurodegeneration.
Main Methods:
- Literature review of recent studies on lipid bodies and microglia.
- Analysis of evidence linking LB accumulation and remodeling to aging and neuroinflammation.
- Synthesis of current knowledge on LB formation and functional mechanisms.
Main Results:
- Lipid bodies are actively involved in microglial signal transduction.
- LB accumulation and remodeling are observed during aging and in neuroinflammatory conditions.
- The precise mechanisms of LB formation and their impact on neurodegeneration require further investigation.
Conclusions:
- Lipid bodies have a significant, underappreciated role in microglial function beyond lipid storage.
- Understanding LB dynamics is critical for comprehending aging and neurodegenerative processes.
- Further research is needed to fully clarify the mechanisms and therapeutic potential related to microglial lipid bodies.
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