Microcirculation : the official journal of the Microcirculatory Society, Inc
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The objectives of this study were to develop a model for studying endothelin-1-mediated eNOS regulation in cultured sinusoidal endothelial cells and determine the effect of endothelin-1 and endotoxin (LPS) on eNOS localization. ⋯ These studies demonstrate an LPS-mediated uncoupling of endothelin receptor activation and eNOS translocation. This functional uncoupling may, in part, account for the hyperconstrictive effects of endothelin-1 during inflammatory conditions.