Abstract
The Net gene encodes an Ets transcription factor belonging to the ternary complex factor subfamily. We studied Net expression during mouse development (E7.5-E18.5) by in situ hybridization. Net is expressed at E7.5-8.5 in developing vascular primordia, including the allantoic vessels, heart endocardium and dorsal aortae. Vascular endothelial cell expression persists throughout development. Additional sites of expression appear at E9.5-E10.5, especially in facial, branchial arch and distal limb-bud mesenchyme. Later, expression is most conspicuous in developing cartilage and becomes progressively restricted to perichondrium. Net expression during mouse development correlates with vasculogenesis, angiogenesis and cartilage ontogeny.
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