Table 3.

Animal grouping

Group	Number	Description
Control	6	Wild-type littermates (Ednrb+/+)
Model	6	Ednrb-/- homozygote mice without any other treatment
HAEC-exo	6	Ednrb-/- homozygote mice were injected with 20 µg HAEC-exo via tail vein every 3 days for 3 times
HAEC-exo + LV-RORA	6	Ednrb-/- homozygote mice were injected with 20 µg HAEC-exo along with 20 µL RORA overexpressing lentivirus LV-RORA via tail vein for 3 times

Note: HAEC, Hirschsprung-associated enterocolitis; RORA, retinoid-related orphan receptor α.