Center for Neuromusculoskeletal Restorative Medicine 1 article published in JoVE Bioengineering Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers Jingyu Zhang*1,2, Bingkun Zhao*1, Wuhan Wei*1,2, Dan Wang3,4,5, Haoyu Wang1,2, Aijun Zhang1, Changbo Tao1, Xueyang Li1, Qiang Li1, Peisheng Jin1 1Department of Plastic Surgery, Affiliated Hospital of Xuzhou Medical University, 2Graduate School, Xuzhou Medical University, 3Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, 4School of Biomedical Sciences, The Chinese University of Hong Kong, 5Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park The present protocol describes a prospective, randomized, controlled clinical study that evaluates a human umbilical cord mesenchymal stem cell injection for the treatment of chronic diabetic foot ulcers.