TIE1-dependent lymphatic vascular remodeling is mediated by its second tyrosine kinase domain

Abstract excerpt

Mutations in ANG2 and TIE1 are associated with primary lymphedema in humans, but the mechanisms of ANG/TIE signaling in the lymphatic vasculature remain incompletely understood. We document that TIE2 is not detected in lymphatic endothelial cells (LECs) before E14.5 but is expressed in collecting vessels from later embryonic stages, in contrast to robust TIE1 expression in all LECs from early stages. Accordingly,...

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