(DFG, German Research Foundation) -Project-ID 75732319 -SFB 834, EXC 2026, project ID 390649896) DFG -Project-ID 268555672 -SFB 1213 MRC_MC_UU_12022/6 Cancer Center Support Grant 5P30CA045508; Endothelial cells (ECs) adapt their metabolism to enable the growth of new blood vessels, but little is known how ECs regulate metabolism to adopt a quiescent state. Here, we show that the metabolite S-2-hydroxyglutarate ...