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Full-Text Articles in Medicine and Health Sciences
Rnd3 As A Novel Target To Ameliorate Microvascular Leakage, Jerome W. Breslin, Dayle A. Daines, Travis M. Doggett, Kristine H. Kurtz, Flavia M. Souza-Smith, Xun E. Zhang, Mack H. Wu, Sarah Y. Yuan
Rnd3 As A Novel Target To Ameliorate Microvascular Leakage, Jerome W. Breslin, Dayle A. Daines, Travis M. Doggett, Kristine H. Kurtz, Flavia M. Souza-Smith, Xun E. Zhang, Mack H. Wu, Sarah Y. Yuan
Molecular Pharmacology & Physiology Faculty Publications
Background: Microvascular leakage of plasma proteins is a hallmark of inflammation that leads to tissue dysfunction. There are no current therapeutic strategies to reduce microvascular permeability. The purpose of this study was to identify the role of Rnd3, an atypical Rho family GTPase, in the control of endothelial barrier integrity. The potential therapeutic benefit of Rnd3 protein delivery to ameliorate microvascular leakage was also investigated.
Methods and Results: Using immunofluorescence microscopy, Rnd3 was observed primarily in cytoplasmic areas around the nuclei of human umbilical vein endothelial cells. Permeability to fluorescein isothiocyanate–albumin and transendothelial electrical resistance of human umbilical vein endothelial …