Lipid droplets are important for the storage of neutral lipids in cells; moreover, they participate in a variety of activities in cells and are multifunctional organelles. In the past few decades, lipid droplets have been extensively studied and found to play important roles in cellular energy balance, signal regulation and metabolic regulation. In particular, the formation and function of lipid droplets in adipocytes and mast cells have received much attention. This article reviews the formation, structure and function of lipid droplets in mast cells and elaborates on the relationship between lipid droplets and both adipocyte metabolism and mast cell-mediated allergic inflammation, to provide ideas for the treatment of allergic inflammation by targeting lipid droplets. This study provides important evidence for the role of lipid metabolism disorders in rhinitis and asthma.
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http://dx.doi.org/10.1007/s12013-024-01469-5 | DOI Listing |
EMBO J
January 2025
Cambridge Institute for Medical Research, University of Cambridge, Cambridge, CB2 0XY, UK.
Biogenesis of membrane-bound organelles involves the synthesis, remodeling, and degradation of their constituent phospholipids. How these pathways regulate organelle size remains poorly understood. Here we demonstrate that a lipid-degradation pathway inhibits expansion of the endoplasmic reticulum (ER) membrane.
View Article and Find Full Text PDFChemistry
January 2025
Shiv Nadar University, CHEMISTRY, NH 91, TEHSIL DADRI, GAUSTAM BUDHA NAGAR, 201314, GREATER NOIDA, INDIA.
Since death is an inevitable phenomenon, exploring cell deaths holds importance. During this process, the cellular microenvironment within cells such as pH, polarity, viscosity etc alter. One such microenvironment, viscosity elevates during different cell deaths.
View Article and Find Full Text PDFInflammation
January 2025
Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
Microglia-mediated neuroinflammation plays a crucial role in multiple neurological diseases. We have previously found that Atglistatin, the mouse Adipose Triglyceride Lipase (ATGL) inhibitor, could promote lipid droplets (LDs) accumulation and suppress LPS-induced neuroinflammation in mouse microglia. However, Atglistatin was species-selective, which limited its use in clinical settings.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Neurology, Columbia University, New York, NY, USA.
Background: Lipid dysregulation is a known feature of Alzheimer's Disease. Importantly, alterations in lipids pathways affect immune responses in cells like microglia, which have been shown to accumulate cholesterol in both aging and neurodegeneration. Recently, the presence of TDP-43 inclusions has been linked to increased severity of cognitive impairment in AD patients.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA.
Background: Microglial processing and recycling of debris is implicated in AD. AD GWAS loci are enriched for genes in efferocytosis, phagocytosis, endosomal trafficking and cholesterol efflux. Acting as a buffer, lipid droplets increase as a consequence of an imbalance between lipid debris influx and efflux rates.
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