{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T22:39:19Z","timestamp":1788993559100,"version":"build-2803163510"},"reference-count":50,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,2,27]],"date-time":"2023-02-27T00:00:00Z","timestamp":1677456000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Cell Dev. Biol."],"abstract":"<jats:p>Ets variant 2 (Etv2), a member of the Ets factor family, has an essential role in the formation of endothelial and hematopoietic cell lineages during embryonic development. The functional role of ETS transcription factors is, in part, dependent on the interacting proteins. There are relatively few studies exploring the coordinated interplay between ETV2 and its interacting proteins that regulate mesodermal lineage determination. In order to identify novel ETV2 interacting partners, a yeast two-hybrid analysis was performed and the C2H2 zinc finger transcription factor VEZF1 (vascular endothelial zinc finger 1) was identified as a binding factor, which was specifically expressed within the endothelium during vascular development. To confirm this interaction, co-immunoprecipitation and GST pull down assays demonstrated the direct interaction between ETV2 and VEZF1. During embryoid body differentiation, <jats:italic>Etv2<\/jats:italic> achieved its peak expression at day 3.0 followed by rapid downregulation, on the other hand <jats:italic>Vezf1<\/jats:italic> expression increased through day 6 of EB differentiation. We have previously shown that ETV2 potently activated <jats:italic>Flt1<\/jats:italic> gene transcription. Using a <jats:italic>Flt1<\/jats:italic> promoter-luciferase reporter assay, we demonstrated that VEZF1 co-activated the <jats:italic>Flt1<\/jats:italic> promoter. Electrophoretic mobility shift assay and Chromatin immunoprecipitation established VEZF1 binding to the <jats:italic>Flt1<\/jats:italic> promoter. <jats:italic>Vezf1<\/jats:italic> knockout embryonic stem cells had downregulation of hematoendothelial marker genes when undergoing embryoid body mediated mesodermal differentiation whereas overexpression of VEZF1 induced the expression of hematoendothelial genes during differentiation. These current studies provide insight into the co-regulation of the hemato-endothelial lineage development <jats:italic>via<\/jats:italic> a co-operative interaction between ETV2 and VEZF1.<\/jats:p>","DOI":"10.3389\/fcell.2023.1109648","type":"journal-article","created":{"date-parts":[[2023,2,27]],"date-time":"2023-02-27T07:57:13Z","timestamp":1677484633000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":15,"title":["ETV2 and VEZF1 interaction and regulation of the hematoendothelial lineage during embryogenesis"],"prefix":"10.3389","volume":"11","author":[{"given":"Satyabrata","family":"Das","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vinayak","family":"Gupta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johannes","family":"Bjorge","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaozhong","family":"Shi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wuming","family":"Gong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary G.","family":"Garry","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel J.","family":"Garry","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2023,2,27]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1690","DOI":"10.1161\/CIRCRESAHA.1134303145","article-title":"Fli1 acts downstream of Etv2 to govern cell survival and vascular homeostasis via positive autoregulation","volume":"114","author":"Abedin","year":"2014","journal-title":"Circ. 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