Good to see this confirmation about the lumenal macrophages that show up in fli1:gfp zebrafish! We see them zipping around the heart in our beating-heart timelapses like this one (credit: Daniel Olesker). They make it harder to see cell division events - how many divisions can you spot here?
Video
Jonathan Taylor
Really cool #zebrafish paper 🧪 from Bart Weijts & Catherine Robin (Hubrecht): starts with the basic question of are those superbright kdrl/fli1a positive cells (that we've all seen in the vascular Tg lines) something special? Yes! They're lumenal macrophages
www.nature.com/articles/s41...
Robin and colleagues describe a population of blood vessel-resident macrophages that function within the vasculature to maintain vascular and blood homeostasis in zebrafish and identify a conserved po...