Effect of Hominis Placenta on cutaneous wound healing in normal and diabetic mice

  • Park, Ji-Yeun (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University) ;
  • Lee, Jiyoung (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University) ;
  • Jeong, Minsu (Happy Kyung Hee Korean Medicine Clinic) ;
  • Min, Seorim (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University) ;
  • Kim, Song-Yi (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University) ;
  • Lee, Hyejung (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University) ;
  • Lim, Yunsook (Department of Food and Nutrition, Kyung Hee University) ;
  • Park, Hi-Joon (Studies of Translational Acupuncture Research, Acupuncture and Meridian Science Research Center, Kyung Hee University)
  • Received : 2013.12.06
  • Accepted : 2014.01.25
  • Published : 2014.08.01


BACKGROUND/OBJECTIVES: The number of diabetic patients has recently shown a rapid increase, and delayed wound healing is a major clinical complication in diabetes. In this study, the wound healing effect of Hominis placenta (HP) treatment was investigated in normal and streptozotocin-induced diabetic mice. MATERIALS/METHODS: Four full thickness wounds were created using a 4 mm biopsy punch on the dorsum. HP was injected subcutaneously at the middle region of the upper and lower wounds. Wounds were digitally photographed and wound size was measured every other day until the 14th day. Wound closure rate was analyzed using CANVAS 7SE software. Wound tissues were collected on days 2, 6, and 14 after wounding for H/E, immunohistochemistry for FGF2, and Masson's trichrome staining for collagen study. RESULTS: Significantly faster wound closure rates were observed in the HP treated group than in normal and diabetes control mice on days 6 and 8. Treatment with HP resulted in reduced localization of inflammatory cells in wounded skin at day 6 in normal mice and at day 14 in diabetic mice (P < 0.01). Expression of fibroblast growth factor (FGF) 2 showed a significant increase in the HP treated group on day 14 in both normal (P < 0.01) and diabetic mice (P < 0.05). In addition, HP treated groups showed a thicker collagen layer than no treatment groups, which was remarkable on the last day, day 14, in both normal and diabetic mice. CONCLUSIONS: Taken together, HP treatment has a beneficial effect on acceleration of cutaneous wound healing via regulation of the entire wound healing process, including inflammation, proliferation, and remodeling.


Supported by : National Research Foundation of Korea (NRF), Ministry of Health & Welfare


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