The percent wound closer was significantly higher in bilirubin-treated rats.
mRNA and protein levels of HIF-1α, VEGF, SDF-1α, TGF-β1, IL-10 were significantly higher in bilirubin-treated rats.
TNF-α, MMP-9 and IL-1β were mRNA were significantly down regulated in bilirubin-treated rats.
The collagen deposition and formation of blood vessels were greater in bilirubin-treated rats.
Bilirubin markedly facilitated cutaneous wound healing in diabetic rats.