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Journal of the Korean Society of Plastic and Reconstructive Surgeons 2004;31(4):545-553.
Published online July 1, 2004.
Wound Healing Effect of the Chitosan Sponges Containing the T-CAM or Regenin.
Yong Taek Hong, Man Soo Suh, Hyung Ho Ryu, Sae Jung Park, Byung Chae Cho, Jung Duck Yang, Jong Yup Kim, Ho Yoon Jung, Dong Gul Lee, In San Kim, Sang Woo Kim, Eun Hee Bae, Dong Sin Lee
1Department of Plastic & Reconstructive Surgery, Daegu Fatima Hospital, Daegu, Korea.
2Department of Plastic & Reconstructive Surgery, Kyungpook University College of Medicine, Daegu, Korea.
3Department of Biochemistry, Kyungpook University College of Medicine, Daegu, Korea.
4Gumi Cha Medical Center, Gumi, Korea.
5Regen biotech Co. Ltd, Seoul, Korea.
Abstract
Tetra cell adhesion molecule(T-CAM) is a new recombinant mixture of fibronectin and ig-h3. Fibronectin and ig-h3 are extracellular matriprotein involved in each phase of wound healing, and the combination of these materials may generate a synergistic effect in wound healing. Regenin is easily attainable from protein recombination. It can be developed as wound healing material, and also it has a good effect in cell adhesion and proliferation. We combined the chitosan with regenin or T-CAM at different concentration, which are gene recombination material. They were applied to the artificial wound of white rabbit to compare the healing effect in each group. Round full thickness skin defects, 3 cm in diameter, were made bilaterally on the dorsolateral aspect of New Zealand white rabbit. Experimental group was divided into 6 groups, according to concentration of T-CAM and regenin with chitosan-based dressing materials as followings; Group C: control group - oint material dressing, Group Ch: chitosan base only, Group T1: chitosan base in combination with 25 microgram/ml of T-CAM, Group T2: chitosan base in combination with 625 microgram/ml of T-CAM, Group R1: chitosan base in combination with 25 microgram/ml of Regenin, Group R2: chitosan base in combination with 625 microgram/ml of Regenin. Gross findings by means of percentage of wound contraction, percentage of wound epithelization and percentage of total wound healed area were compared with surface tracing of the remained wound area at the time of 7, 14, 21 days after wound formation. Wound biopsy were performed at the time of 7, 14, 21 days after wound formation. T1, T2 group and R1, R2 groups have less infiltration of inflammtory cell, fast appearance of new vessels, fibroblast, increased volume of collagen fiber comparing to C and Ch group. there's more statistical significance between T1 and T2 group. The same results were shown in Regenin group. In conclusion, our results suggest that T-CAM and Regenin have good effect in wound healing and higher concentration of T-CAM and Regenin is more effective in wound healing than lower concentration. In addition, comparision of same concentration of T-CAM and Regenin group presented almost same results.
Keywords: Chitosan; T-CAM; Regenin; Wound healing
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