Endothelial Rictor is crucial for midgestational development and sustained and extensive FGF2-induced neovascularization in the adult

Aimi, Fabio; Georgiopoulou, Stavroula; Kalus, Ina; Lehner, Fabienne; Hegglin, Alica; Limani, Përparim; Gomes de Lima, Vinicius; Rüegg, Markus A; Hall, Michael N; Lindenblatt, Nicole; Haas, Elvira; Battegay, Edouard J; Humar, Rok

doi:10.5167/uzh-116245

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Aimi, F., Georgiopoulou, S., Kalus, I., Lehner, F., Hegglin, A., Limani, P., Gomes de Lima, V., Rüegg, M. A., Hall, M. N., Lindenblatt, N., Haas, E., Battegay, E. J., & Humar, R. (2015). Endothelial Rictor is crucial for midgestational development and sustained and extensive FGF2-induced neovascularization in the adult. Scientific Reports, 5, 17705. https://doi.org/10.1038/srep17705

Abstract

To explore the general requirement of endothelial mTORC2 during embryonic and adolescent development, we knocked out the essential mTORC2 component Rictor in the mouse endothelium in the embryo, during adolescence and in endothelial cells in vitro. During embryonic development, Rictor knockout resulted in growth retardation and lethality around embryonic day 12. We detected reduced peripheral vascularization and delayed ossification of developing fingers, toes and vertebrae during this confined midgestational period. Rictor knockout d