Why the study?
The authors aimed to assess the effect of agLDL on mitochondrial and endoplasmic reticulum function in macrophage-derived foam cells to estimate their potential to generate atheroma in the absence of oxidative stress.
Does aggregated LDL induce mitochondrial dysfunction and endoplasmic reticulum stress in human macrophages compared to oxidized LDL?
Population
THP-1 macrophages
Comparison
agLDL vs oxLDL and nLDL
Design
In vitro laboratory study
Authors
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AgLDL may drive early foam cell formation via mitochondrial impairment without oxidative stress; hypothesis-generating for differential LDL effects in atherosclerosis.
Does aggregated LDL induce mitochondrial dysfunction and endoplasmic reticulum stress in human macrophages compared to oxidized LDL?
Aggregated LDL induces foam cell formation and mild mitochondrial dysfunction in human macrophages without triggering oxidative or ER stress, providing a potential mechanism for early fatty streak formation in atherosclerosis.
Sanda et al. (2021) studied this question.
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