Collagen extract obtained from Nile tilapia (Oreochromis niloticus L.) skin accelerates wound healing in rat model via up regulating VEGF, bFGF, and α-SMA genes expression

Table 1 Semi-quantitative scoring of skin healing of different treated groups

Groups	Necrosis	Granulation tissue	Connective tissue remodeling	Epithelization	Inflammatory cells infiltration
A	+	++	++	++	+
B	-	+	++++	++++	+

Histological scale: - Indicates absence of lesions, + indicates mild degree, ++ indicates moderate degree, +++ indicates marked focal degree and ++++ indicates marked diffuse degree

ISSN: 1746-6148