Key result
β-PIX interacts with eNOS and GIT1 to promote eNOS activity and NO production in sinusoidal endothelial cells, representing a potential therapeutic target for intrahepatic resistance.
β-PIX and GIT1 interact to regulate eNOS activity and NO production in liver sinusoidal endothelial cells, identifying potential therapeutic targets for controlling intrahepatic resistance.
β-PIX is a multidomain protein known to be a GIT1 binding partner. We report here that in the normal liver, the distribution and cellular localization of β-PIX are restricted largely to sinusoidal endothelial cells. Furthermore, β-PIX interacts with eNOS and GIT1 promotes eNOS activity and NO production and therefore exerts a novel posttranslational regulatory function on eNOS activity in sinusoidal endothelial cells. We also have identified specific molecular domains important in GIT1 and β-PIX's interaction with eNOS, which may represent novel therapeutic targets in the control of sinusoidal blood flow and intrahepatic resistance.
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Liu et al. (2022) studied Normal liver / Sinusoidal endothelial cells. β-PIX and GIT1 interaction was evaluated on eNOS activity and NO production. β-PIX interacts with eNOS and GIT1 to promote eNOS activity and NO production in sinusoidal endothelial cells, representing a potential therapeutic target for intrahepatic resistance.
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