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Chinese Journal of Injury Repair and Wound Healing(Electronic Edition) ›› 2022, Vol. 17 ›› Issue (05): 430-434. doi: 10.3877/cma.j.issn.1673-9450.2022.05.009

• Original Article • Previous Articles     Next Articles

Effect of topical application of recombinant human type-Ⅲ collagen hydrogels on diabetic wound healing

Xiaogang Huang1, Dongsheng Niu2, Xiangguo Yan1, Kesong Zhang3, Junmin He3, Xiaojun Wang3, Yuanyuan Liu4,()   

  1. 1. Department of Internal Medicine/Medical, Beijing Prevention and Treatment Hospital of Occupational Disease for Chemical Industry, Beijing 100093, China
    2. Department of Occupational Health, Beijing Prevention and Treatment Hospital of Occupational Disease for Chemical Industry, Beijing 100093, China
    3. Department of Vascular Surgery, Beijing Prevention and Treatment Hospital of Occupational Disease for Chemical Industry, Beijing 100093, China
    4. Chinese PLA Medical School, Beijing 100039, China
  • Received:2022-07-03 Online:2022-10-01 Published:2022-11-04
  • Contact: Yuanyuan Liu

Abstract:

Objective

To observe the therapeutic effect of recombinant human type-Ⅲ collagen hydrogels on chronic diabetic wounds, and to explore its influence on the expression levels of inflammatory cytokines in wound tissues.

Methods

From September 2020 to June 2021, 20 diabetes mellitus patients with chronic wounds in lower extremities were selected from Beijing Prevention and Treatment Hospital of Occupational Disease for Chemical Industry, and were divided into the experimental group (10 cases) and the control group (10 cases) according to the random number table. In addition to the basic treatment of diabetes and conventional debridement, the experimental group received topical application of recombinant human type-Ⅲ collagen hydrogels. The wound healing rate, expression levels of tumor necrosis factor-α(TNF-α), interleukin 1β(IL-1β), interleukin 6(IL-6)and matrix metalloproteinase-9(MMP-9) were observed and compared.

Results

After treatment, the area of wounds in both groups decreased. The wound healing rate of the treatment group at 7 d and 14 d after treatment were(34.00±2.53)% and (73.90±13.00)%, which were significantly higher than those of the control group[(23.30±3.89)%, (48.30±6.30)%], the differences were statistically significant (t=1.330, 2.640; P<0.05), 14 d after treatment, the expression levels of TNF-α、IL-1β、IL-6 and MMP-9 decreased, and the expression levels of the treatment group [(87.60±8.78), (71.70±10.30), (79.80±13.60), (11.27±2.45) ng/L] were significantly lower than those of the control group [(111.60±9.86), (81.10±8.03), (96.90±14.50), (15.05±2.82) ng/L], the differences were statistically significant(t=-5.740, -2.260, -2.720, 3.200; P<0.05).

Conclusions

The treatment of chronic diabetic wounds by recombinant human type-Ⅲ collagen hydrogels can accelerate wound healing, reduce wound inflammation and result in significant clinical therapeutic effects.

Key words: Recombinant human type-Ⅲ collagen, Hydrogels, Wound healing, Diabetes mellitus

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