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Domenga, Valérie; Fardoux, Peggy; Lacombe, Pierre; Monet, Marie; Maciazek, Jacqueline; Krebs, Luke T; Klonjkowski, Bernard; Berrou, Eliane; Mericskay, Matthias; Li, Zhen; Tournier-Lasserve, Elisabeth; Gridley, Thomas; Joutel, Anne
Genes & development, 11/2004, Letnik: 18, Številka: 22Journal Article
Formation of a fully functional artery proceeds through a multistep process. Here we show that Notch3 is required to generate functional arteries in mice by regulating arterial differentiation and maturation of vascular smooth muscle cells (vSMC). In adult Notch3-/- mice distal arteries exhibit structural defects and arterial myogenic responses are defective. The postnatal maturation stage of vSMC is deficient in Notch3-/- mice. We further show that Notch3 is required for arterial specification of vSMC but not of endothelial cells. Our data reveal Notch3 to be the first cell-autonomous regulator of arterial differentiation and maturation of vSMC.
