Cited by 125Lipid metabolism and biosynthesisEndoplasmic Reticulum Stress and DiseaseCancer, Lipids, and Metabolism

Is fat so bad? Modulation of endoplasmic reticulum stress by lipid droplet formation

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Hapala, Ivan, Marza, Esther, Ferreira, Thierry·2011·Biology of the Cell

Abstract

LDs (lipid droplets) have long been considered as inert particles used by the cells to store fatty acids and sterols as esterified non-toxic lipid species (i.e. triacylglycerols and steryl esters). However, accumulating evidence suggests that LDs behave as a dynamic compartment, which is involved in the regulation of several aspects of the homoeostasis of their originating organelle, namely the ER (endoplasmic reticulum). The ER is particularly sensitive to physiological/pathological stimuli, which can ultimately induce ER stress. In the present review, after considering the basic mechanisms of LD formation and the signal cascades leading to ER stress, we focus on the connections between these two pathways. Taking into consideration recent data from the literature, we will try to draw possible mechanisms for the role of LDs in the regulation of ER homoeostasis and in ER-stress-related diseases.

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Authors
Hapala, I., Marza, E., & Ferreira, T.
Affiliations
  • Slovak Academy of Sciences (SK)
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Ferreira, Thierry
Venue
Biology of the Cell
Publisher
Wiley
Published
2011-06
Volume
103
Issue
6
Pages
271-285
ISSN
0248-4900 (ISSN-L)
OpenAlex
W2025366283
Cited by
125
References
103
Citations by year
2026: 1 · 2025: 5 · 2024: 8 · 2023: 7 · 2022: 12 · 2021: 22 · 2020: 6 · 2019: 9 · 2018: 7 · 2017: 7 · 2016: 7 · 2015: 12 · 2014: 5 · 2013: 8 · 2012: 8
FWCI
0.72
Type
journal article
Language
en
Open access
Locations
  • Biology of the Cell (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
Keywords
lipid droplets, endoplasmic reticulum stress, ER homeostasis, lipid droplet formation, ER stress signaling, triglycerides, sterol esters
MeSH terms
Animals, Drosophila, Endoplasmic Reticulum, Fatty Acids, Homeostasis, Humans, Lipoproteins, Membrane Proteins, Phospholipids, Saccharomyces cerevisiae, Stress, Physiological, Triglycerides, Signal Transduction, Lipid Metabolism, Activating Transcription Factor 6, Unfolded Protein Response

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