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The aim is to assess how shear stress conditioning affects the endothelialization of vascular grafts using two types of endothelial cells.

April 3, 2026Open Access

Sustainability of shear stress conditioning in endothelial colony-forming cells compared to human aortic endothelial cells to underline suitability for tissue-engineered vascular grafts

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The aim is to assess how shear stress conditioning affects the endothelialization of vascular grafts using two types of endothelial cells.
Compared two cell types: endothelial colony-forming cells (ECFCs) and human aortic endothelial cells (HAECs).
Evaluated the effects of high shear stress (20 dyn/cm²) conditioning over a timeframe of up to 24 hours.
Measured changes in protein and mRNA levels related to endothelial function during and after conditioning.
ECFCs exhibited a more sensitive and rapid response to shear stress compared to HAECs.
Conditioning resulted in cell alignment and increased expression of proteins like KLF-2, Notch-4, and eNOS.
After shear stress was removed, some mRNA expressions recovered while VCAM-1 remained downregulated.

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Investigates shear stress conditioning effects on endothelial cells, highlighting implications for vascular grafts.

Renzelmann et al. (2025) studied this question.

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