Effects of external application of Chinese medicine on diabetic ulcers and the expressions of β-catenin, c-myc and K6

  • Fu-lun Li (李福伦)
  • Hui Deng (邓 辉)
  • Hong-wei Wang (王宏伟)
  • Rong Xu (徐 蓉)
  • Jie Chen (陈 洁)
  • Yi-fei Wang (王一飞)
  • Xin Li (李 欣)
  • Bin Fan (范 斌)
  • Bin Li (李 斌)
Original Article

Abstract

Objective

To observe the clinical efficacy of Chinese medicine (CM) treatment of Hongyou Ointment (红油膏) and Shengji Powder (生肌散) on diabetic ulcers, and to observe the influence of CM treatment on the expressions of proteins associated with the Wnt signaling pathway, such as β-catenin, c-myc and K6.

Methods

sixty-two patients fitting the registration standards were randomly divided into the CM group (31 patients) and the Western medicine (WM) group (31 patients) by a random number table. The patients in the CM group were treated with Hongyou Ointment and Shengji Powder externally. The patients in the WM group were treated with mupirocin ointment, growth factor (bFGF), and Vaseline gauze for external use and with basic therapies. Wound-healing time and four-week healing rate were recorded. The wounds were measured by digital photography and ImageJ software. Skin biopsies were obtained from 24 patients before CM treatment and 20 patients after CM treatment. Immunohistochemical tests and semi-quantitative imaging with NIH ImageJ 1.42 software were used to analyze the changes in protein expression of β-catenin, c-myc, and K6.

Results

Fifty-three patients completed the trial; four patients in the CM treatment group and five patients in the WM group dropped out. Among them, four were dissatisfied with the treatment process, two could not continue because of their jobs, two failed to complete the course of follow-up appointments, and one was diagnosed with squamous cell carcinoma during treatment. The comparison of ulcer healing rates between the two groups showed insignificant differences (P=0.77). The ulcer healing rates were 33.33% (9/27) in the CM group and 26.92% (7/26) in the WM group. However, the effective rate was significantly higher in the CM group (81.48%, 22/27) than in the WM group (57.69%, 15/26, P=0.04). The mean wound healing time was shorter in the CM group (22.71 ±5.46 days) than in the WM group (26.56 ±7.56 days, P=0.04). CM treatment was well tolerated, and there was no withdrawal due to adverse reactions. Immunohistochemical analysis in the refractory wound indicated higher expressions of β-catenin, c-myc and K6 compared with the normal skin. β-catenin was abnormally expressed in the nuclei of the keratinocytes and fibroblasts at the wound margins, and the expressions of c-myc and K6 were highly expressed in the full hyperplastic epidermis, especially in the granular layer (P<0.05). The expressions of these proteins decreased after CM treatment. The expression levels of β-catenin, c-myc, and K6 proteins before and after the treatment were 101.88 ± 10.76 vs. 140.42 ±8.45; 113.27 ± 16.75 vs. 153.79 ±8.32; 90.39 ±11.07 vs. 151.29 ±7.39, respectively.

Conclusions

CM treatment using Hongyou Ointment and Shengji Powder was efficient in the management of diabetic skin ulcers. The mechanism of action might be related to the inhibition of the Wnt signaling pathway.

Keywords

diabetic foot Chinese medicine external application proto-oncogene proteins β-catenin c-myc K6 

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Copyright information

© Chinese Association of the Integration of Traditional and Western Medicine and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Fu-lun Li (李福伦)
    • 1
  • Hui Deng (邓 辉)
    • 2
  • Hong-wei Wang (王宏伟)
    • 3
  • Rong Xu (徐 蓉)
    • 1
  • Jie Chen (陈 洁)
    • 1
  • Yi-fei Wang (王一飞)
    • 1
  • Xin Li (李 欣)
    • 1
  • Bin Fan (范 斌)
    • 1
  • Bin Li (李 斌)
    • 1
  1. 1.Yueyang Hospital of Integrated Traditional Chinese and Western MedicineAffiliated to Shanghai University of Traditional Chinese MedicineShanghaiChina
  2. 2.The Sixth Hospital Affiliated Shanghai Jiaotong UniversityShanghaiChina
  3. 3.Shanghai Skin Diseases and Sexually Transmitled Diseases HospitalShanghaiChina

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