Table 1: The levels of PGE2 and TGF-beta during the normal and aberrant wound healing process.

Normal Healing ProcessExcessive Scarring

Phases1*23123
TGF-beta↑↑↑↑↑
PGE2
Net Effectdebridedlimitedmatureunknownexcessivedelayed

*1 for inflammatory phase, 2 for proliferative phase, and 3 for remodeling phase.