|ZFIN ID: ZDB-IMAGE-180816-9|
etv2 and prox1a are co-expressed in lymphatic progenitors in the posterior cardinal vein, parachordal lymphangioblasts, and the thoracic duct.
Confocal imaging analysis of live embryos and larvae. TgBAC(etv2:GFP) and prox1a:RFP are co-expressed in lymphatic progenitors (arrow/dashed lines) in the PCV at 24 hpf (A-D, projection of 3 axial positions) and the thoracic duct and intersegmental lymphatic vessels at 4.5 dpf (E-H). (B-D and F-H) show magnified regions indicated by boxes in (A,E). Embryos and larvae have been analyzed from 2 independent experiments. DA, dorsal aorta; PCV, posterior cardinal vein; TD, thoracic duct; ISLV, intersegmental lymphatic vessel.
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