Collagen-based sponge hastens wound healing via decrease of inflammatory cytokines
2018
Aravinthan, Adithan | Park, Jeong-Kyu | Hossain, Mohammad Amjad | Sharmila, Judith | Kim, Han-Jong | Kang, Chang-wŏn | Kim, Nam Soo | Kim, Jong-Hoon
The objective of this study was to compare and evaluate the efficacy of collagen-based sponge compared to commercial collagen sponge as a potent open wound-dressing material. In this study, 10 mm diameter skin incision was made on lateral side of rats. The wound was monitored regularly until day 12. Histopathology results revealed the faster re-epithelialization and lesser inflammatory cells, and also masson’s trichrome staining showed that collagen fibrils were horizontal and interwoven in collagen-based sponge group. The expression of growth factors such as VEGF and TGF-β1 was found to be upregulated in transcriptional and translational levels, suggesting the importance of collagen-based sponge as a potent wound-healing material. Furthermore, IL-6 and TNF-α in the wound tissue were significantly down-regulated in 2 and 6 days in collagen-based sponge group and anti-inflammatory cytokine IL-10 level was found to be upregulated throughout 12 days. These results cumulatively revealed that collagen-based sponge may serve as novel material for wound healing in the animal model.
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