title: Localization of human adipose-derived stem cells and their effect in repair of diabetic foot ulcers in rats.
abstract: Diabetic foot ulcer (DFU) is an intractable diabetic complication. Patients suffering from diabetes mellitus (DM) frequently present with infected DFUs. In this study, a wound healing model on diabetic rat foot was established to mimic the pathophysiology of clinical patients who suffer from DFUs. Our study aimed to explore the localization of human adipose-derived stem cells (hADSCs) and the role of these cells in the repair of foot ulcerated tissue in diabetic rats, and thus to estimate the possibilities of adipose-derived stem cells for diabetic wound therapy.
  
  
  
  Sprague-Dawley rats were used to establish diabetic models by streptozotocin injection. A full-thickness foot dorsal skin wound was created by a 5 mm skin biopsy punch and a Westcott scissor. These rats were randomly divided into two groups: the hADSC-treated group and the phosphate-buffered saline (PBS) control group. The hADSC or PBS treatment was delivered through the left femoral vein of rats. We evaluated the localization of hADSCs with fluorescence immunohistochemistry and the ulcer area and ulcerative histology were detected dynamically.
  
  
  
  The hADSCs had a positive effect on the full-thickness foot dorsal skin wound in diabetic rats with a significantly reduced ulcer area at day 15. More granulation tissue formation, angiogenesis, cellular proliferation, and higher levels of growth factors expression were also detected in wound beds.
  
  
  
  Our data suggest that hADSC transplantation has the potential to promote foot wound healing in diabetic rats, and transplantation of exogenous stem cells may be suitable for clinical application in the treatment of DFU.
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.
authors: Rongfeng
authors: R
authors: Shi
authors: Shanghai Liver Diseases Research Center, The Nanjing Military Command, Shanghai, 200235, People's Republic of China.
authors: Yinpeng
authors: Y
authors: Jin
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.|Institute of Medical Intervention Engineering, Tongji University, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.
authors: Chuanwu
authors: C
authors: Cao
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.|Institute of Medical Intervention Engineering, Tongji University, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.
authors: Shilong
authors: S
authors: Han
authors: Department of Obstetrics & Gynecology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, People's Republic of China.
authors: Xiaowen
authors: X
authors: Shao
authors: Shanghai Liver Diseases Research Center, The Nanjing Military Command, Shanghai, 200235, People's Republic of China.
authors: Lingyu
authors: L
authors: Meng
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.
authors: Jie
authors: J
authors: Cheng
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China.
authors: Meiling
authors: M
authors: Zhang
authors: Department of Pathology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, People's Republic of China.
authors: Jiayi
authors: J
authors: Zheng
authors: Advanced Institute of Translational Medicine, Tongji University, 1239 Siping Road, Shanghai, 200092, People's Republic of China. xunymc2002@yahoo.com.|East Hospital, Tongji University, School of Medicine, Shanghai, 200092, People's Republic of China. xunymc2002@yahoo.com.
authors: Jun
authors: J
authors: Xu
authors: Department of Interventional & Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, 301 Yanchang Road, Shanghai, 200072, People's Republic of China. cjr.limaoquan1965@vip.163.com.|Institute of Medical Intervention Engineering, Tongji University, 301 Yanchang Road, Shanghai, 200072, People's Republic of China. cjr.limaoquan1965@vip.163.com.
authors: Maoquan
authors: M
authors: Li
mesh_terms: D017667:Adipocytes / Q000502:physiology*; D000818:Animals; D003921:Diabetes Mellitus, Experimental / Q000139:chemically induced / Q000150:complications; D017719:Diabetic Foot / Q000209:etiology / Q000628:therapy*; D005260:Female; D006801:Humans; D045164:Mesenchymal Stem Cell Transplantation / Q000379:methods; D051381:Rats; D017207:Rats, Sprague-Dawley; D012867:Skin / Q000473:pathology; D013234:Stem Cells / Q000502:physiology*; D013311:Streptozocin / Q000494:pharmacology; D014945:Wound Healing / Q000502:physiology*
chemical_list: D013311:Streptozocin
keywords: Diabetic foot ulcer; Human adipose-derived stem cells; Tissue repair