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Updated: Apr 10, 2026
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Quantitation of Endothelial Cell Adhesiveness In Vitro
Published on: June 18, 2015
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Acrylamide induces accelerated endothelial aging in a human cell model.
Cyril Sellier1, Eric Boulanger1, François Maladry1
1Inserm U995/Team "Glycation: From Inflammation to Aging", Lille School of Medicine, Lille University, France.
Summary
Acrylamide (AAM) and its metabolite glycidamide (GA) accelerate human endothelial cell senescence in vitro. Chronic low-dose exposure to these compounds induces premature aging, suggesting a link to endothelial aging.
Area of Science:
- Toxicology
- Cell Biology
- Gerontology
Background:
- Acrylamide (AAM), a Maillard reaction product found in food, and its metabolite glycidamide (GA) are probable human carcinogens.
- Senescence, characterized by replicative arrest in endothelial cells, is closely linked to carcinogenicity.
Purpose of the Study:
- To investigate the effects of AAM and GA on human endothelial cell senescence in vitro.
- To determine if AAM and GA induce premature aging in human umbilical vein endothelial cells (HUVECs).
Main Methods:
- HUVECs were cultured for 3 months with varying concentrations of AAM or GA (1, 10, or 100 μM).
- Senescence was assessed by measuring β-galactosidase activity and telomere length using cytometry and semi-quantitative PCR.
Main Results:
- AAM and GA significantly reduced cell population doubling at all tested concentrations.
- β-galactosidase activity increased in HUVECs exposed to AAM (≥10 μM) or GA (≥1 μM).
- Telomere shortening was accelerated in HUVECs treated with AAM (≥10 μM) or GA (100 μM).
Conclusions:
- Chronic in vitro exposure to low concentrations of AAM or GA induces accelerated endothelial cell senescence.
- These findings suggest that AAM exposure may contribute to endothelial aging.
