Zebrafish renal progenitors show regionalized etv5a expression in MCC precursors.
etv5a deficiency reduces MCC number and is rescued by etv5a overexpression 93.
etv4 deficiency reduces MCC number and etv5a/4 dramatically reduces MCCs.
Retinoic acid signaling positively regulates etv5a expression during MCC formation.
Notch signaling negatively regulates etv5a expression during MCC formation.