Shear stress induces synthetic-to-contractile phenotypic modulation in smooth muscle cells via peroxisome proliferator-activated receptor alpha/delta activations by prostacyclin released by sheared endothelial cells.

Abstract excerpt

RATIONALE: Phenotypic modulation of smooth muscle cells (SMCs), which are located in close proximity to endothelial cells (ECs), is critical in regulating vascular function. The role of flow-induced shear stress in the modulation of SMC phenotype has not been well defined. OBJECTIVE: The objective was to elucidate the role of shear stress on ECs in modulating SMC phenotype and its underlying mechanism. METHODS...

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