Treatment of Full-Thickness Cutaneous Wounds Using a Novel Fish Skin Acellular Dermal Powder as Hydrogel with Gene Expression of Some Growth Factors Genes

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The purpose of this study is to evaluate how well fish skin acellular dermal powder hydrogel (FADPH) promotes the healing of cutaneous wounds in Iraqi bucks. 48 of full-thickness cutaneous wounds (3X3 cm) created on the dorsal back of twelve bucks, each two wounds on both sides. Then, divided into two groups according to treatment method (6 bucks /group). The wounds in control group (A), were left without treatment and the wounds in treatment group (B) were treated by topical application of (FADPH). The outcomes were assessed clinically, morphometrically scoring at (7, 14, 35, and 42) days post treatment, and gene expression by RT-PCR of two genes including fibroblast growth factor (FGF) and epidermal growth factor (EGF) at three times periods (0,7 and 14) days and histopathological assessment at (7,14, 35 and 42) days post treatment. The scoring results of group B showed that the percentages of scoring results were significantly higher than that of control wounds at the level of (P<0.001) from the first 7 days until the end of the study. Also, results of gene expression of FGF and EGF was considerably higher in the treated group than control group at the level of (p<0.001). The histopathological results in group B showed faster re- epithelialization of the epidermis, proliferation of fibrin and regenerated epithelia, dense collagen fibers, and finally complete regeneration of the epidermal layer at the end of study in compared with group A which was showed slowly development in wound healing proses and highly inflammatory reaction. In conclusion, FADM hydrogel enhanced and accelerated the healing of skin wounds in male goats.