Pecam1+CD45-Pdpn+tdT+E13.5Pax3creATACseq
ECs were FACs sorted from Pax3Cre/+;Rosa26tdTomato embryos at E13.5 and divided into tdTomato positive (spos) and negative blood ECs (neg), and tdTomato positive lymphatic ECs (dpos) using podoplanin (PDPN) as a marker.