A xenograft model for venous malformation.

"Conflict of interest The authors declare that they have no conflicts of interest."

"Research reported in this manuscript was supported by the National Heart, Lung, and Blood Institute, under Award Number R01 HL117952 (E.B.), part of the National Institutes of Health. This project was also supported by the Charles H. Hood Foundation (E.B.) and by the National Center for Advancing Translational Sciences of the National Institutes of Health, under Award Number 5UL1TR001425-03 (E.B.). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. We thank Drs. Peter Dickie for providing VM9 EC, Joyce Bischoff for assistance with the collection of the VM1 tissue sample and for providing cbECFC, Philip Dexheimer for the TIE2 NGS analysis, Suhas Kallapur and Pietro Presicce for assisting with HUVEC isolation, and the Pathology Research Core (PATH) and DNA Sequencing Core (DNA) at CCHMC."