Crossref journal-article
Rockefeller University Press
The Journal of Cell Biology (291)
Abstract

Enabled/vasodilator-stimulated phosphoprotein (Ena/VASP) proteins are key actin regulators that localize at regions of dynamic actin remodeling, including cellular protrusions and cell–cell and cell–matrix junctions. Several studies have suggested that Ena/VASP proteins are involved in the formation and function of cellular junctions. Here, we establish the importance of Ena/VASP in endothelial junctions in vivo by analysis of Ena/VASP-deficient animals. In the absence of Ena/VASP, the vasculature exhibits patterning defects and lacks structural integrity, leading to edema, hemorrhaging, and late stage embryonic lethality. In endothelial cells, we find that Ena/VASP activity is required for normal F-actin content, actomyosin contractility, and proper response to shear stress. These findings demonstrate that Ena/VASP is critical for actin cytoskeleton remodeling events involved in the maintenance of functional endothelia.

Authors 8
  1. Craig Furman (first)
  2. Alisha L. Sieminski (additional)
  3. Adam V. Kwiatkowski (additional)
  4. Douglas A. Rubinson (additional)
  5. Eliza Vasile (additional)
  6. Roderick T. Bronson (additional)
  7. Reinhard Fässler (additional)
  8. Frank B. Gertler (additional)
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Dates
Type When
Created 17 years, 9 months ago (Nov. 12, 2007, 9:07 p.m.)
Deposited 2 years, 1 month ago (July 22, 2023, 3:59 p.m.)
Indexed 1 year, 1 month ago (July 21, 2024, 12:32 p.m.)
Issued 17 years, 9 months ago (Nov. 12, 2007)
Published 17 years, 9 months ago (Nov. 12, 2007)
Published Online 17 years, 9 months ago (Nov. 12, 2007)
Published Print 17 years, 9 months ago (Nov. 19, 2007)
Funders 0

None

@article{Furman_2007, title={Ena/VASP is required for endothelial barrier function in vivo}, volume={179}, ISSN={0021-9525}, url={http://dx.doi.org/10.1083/jcb.200705002}, DOI={10.1083/jcb.200705002}, number={4}, journal={The Journal of Cell Biology}, publisher={Rockefeller University Press}, author={Furman, Craig and Sieminski, Alisha L. and Kwiatkowski, Adam V. and Rubinson, Douglas A. and Vasile, Eliza and Bronson, Roderick T. and Fässler, Reinhard and Gertler, Frank B.}, year={2007}, month=nov, pages={761–775} }