Cited by 281Lipid metabolism and biosynthesisCancer, Lipids, and MetabolismSphingolipid Metabolism and Signaling

Lipid droplets in the nervous system

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Ralhan, Isha, Chang, Chi-Lun, Lippincott-Schwartz, Jennifer, Ioannou, Maria S.·2021·Journal of Cell Biology

Abstract

Lipid droplets are dynamic intracellular lipid storage organelles that respond to the physiological state of cells. In addition to controlling cell metabolism, they play a protective role for many cellular stressors, including oxidative stress. Despite prior descriptions of lipid droplets appearing in the brain as early as a century ago, only recently has the role of lipid droplets in cells found in the brain begun to be understood. Lipid droplet functions have now been described for cells of the nervous system in the context of development, aging, and an increasing number of neuropathologies. Here, we review the basic mechanisms of lipid droplet formation, turnover, and function and discuss how these mechanisms enable lipid droplets to function in different cell types of the nervous system under healthy and pathological conditions.

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Authors
Ralhan, I., Chang, C.-L., Lippincott-Schwartz, J., & Ioannou, M. S.
Affiliations
  • University of Alberta (CA)
  • Howard Hughes Medical Institute (US)
  • Howard Hughes Medical Institute, Janelia Research Campus, Ashburn, VA 3
Corresponding author
Ioannou, Maria S.
Venue
Journal of Cell Biology
Published
2021-06-21
Volume
220
Issue
7
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W3176621662
Cited by
281
References
241
Citations by year
2026: 76 · 2025: 67 · 2024: 48 · 2023: 49 · 2022: 35 · 2021: 6
FWCI
3.52
Type
journal article
Language
en
Open access
Locations
  • The Journal of Cell Biology (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
  • Alberta Synergies in Alzheimer’s and Related Disorders
  • Alzheimer Society of Alberta and Northwest Territories
  • Hope for Tomorrow
  • University Hospital Foundation
  • Neuroscience and Mental Health Institute
  • University of Alberta
  • Canadian Institutes of Health Research (173321)
  • Heart and Stroke Foundation of Canada (170722)
  • Natural Sciences and Engineering Research Council of Canada (RGPIN-2020-04047)
  • Howard Hughes Medical Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sphingolipid Metabolism and Signaling
Keywords
lipid droplets, nervous system, brain, fat deposition, lipid droplet formation, lipid droplet turnover, oxidative stress, brain development, aging, neurodegeneration, lipid metabolism
MeSH terms
Aging, Animals, Humans, Nervous System, Oxidative Stress, Lipid Metabolism, Lipid Droplets

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