@article{808be44d594142bc86616574d30d2a3b,
title = "Adipose-derived stem cells seeded on acellular dermal matrix grafts enhance wound healing in a murine model of a full-thickness defect",
abstract = "INTRODUCTION: The promotion of wound healing using dermal substitutes has become increasingly widespread, but the outcomes of substitute-assisted healing remain functionally deficient. Adipose-derived stem cells (ASCs) have been investigated widely in regenerative medicine and tissue engineering, and they have the potential to enhance wound healing. In this study, we focused on investigating the effects and mechanism of ASCs combined with an acellular dermal matrix (ADM) to treat full-thickness cutaneous wounds in a murine model. METHODS: The ADM was prepared from the dorsal skin of nude mice by decellularization by treatment with trypsin followed by Triton X-100. The human ASCs were isolated and cultured from abdominal lipoaspirate. We created a rounded, 8-mm, full-thickness cutaneous wound in nude mice and divided the mice into the following 4 groups: silicon sheet cover only, silicon sheet with spreading ASCs, ADM only, and ASCs seeded on ADM. The granulation thickness was evaluated by histology after 7 days. Further comparisons between the ADM only and ASC-seeded ADM groups were undertaken by assessing the reepithelialization ratio and blood vessel density at postoperative days 9 and 14. Statistical analyses were conducted using Student 2-tailed t test. Immunofluorescent histology and ASC labeling were also performed to identify possible mechanisms. RESULTS: The ADM was successfully prepared, and the cytometry analysis and differentiation assay provided the characterization of the human ASCs. A marked improvement in granulation thickness was detected in the ADM-ASC group in comparison with other 3 groups. A significantly increased rate of reepithelialization in the ADM-ASC group (80 ± 6%) compared to the ADM only group (60 ± 7%) was noted on postoperative day 9. The blood vessel density was evidently increased in the ADM-ASC group (7.79 ± 0.40 vessels per field) compared to the ADM only group (5.66 ± 0.23 vessels) on day 14. Cell tracking experiments demonstrated that labeled ASCs were colocalized with staining for VEGF or endothelial cell maker vWF after the transplantation of ADM-ASCs on postoperative day 14. CONCLUSIONS: Adipose-derived stem cells seeded on an ADM can enhance wound healing, promote angiogenesis, and contribute to newly formed vasculature, and VEGF-expressing ASCs can be detected after transplantation. This model could be used to improve the other clinical applications of ASCs and to decipher the detailed mechanism by which ASCs interact with wound tissue. Copyright {\textcopyright} 2012 by Lippincott Williams & Wilkins.",
keywords = "acellular dermal matrix (ADM), adipose-derived stem cells (ASCs), wound healing, acellular dermal matrix, adipocyte, adipose tissue, adult, animal, article, artificial skin, cartilage cell, cell culture, cell differentiation, cytology, female, fluorescent antibody technique, human, injury, mouse, nude mouse, osteoblast, pathology, skin, skin transplantation, stem cell transplantation, tissue engineering, vascularization, Acellular Dermis, Adipocytes, Adipose Tissue, Adult, Animals, Cell Differentiation, Cells, Cultured, Chondrocytes, Female, Fluorescent Antibody Technique, Humans, Mice, Mice, Nude, Osteoblasts, Skin, Skin Transplantation, Skin, Artificial, Stem Cell Transplantation, Tissue Engineering, Wound Healing",
author = "Sheng-Ping Huang and Chia-Chun Hsu and Shun-Cheng Chang and Chih-Hsin Wang and Shou-Cheng Deng and Niann-Tzyy Dai and Tim-Mo Chen and James-Yi-Hsin Chan and Shyi-Gen Chen and Shih-Ming Huang",
note = "被引用次數：32 Export Date: 21 March 2016 CODEN: APCSD 通訊地址: Chen, S.-G.; Division of Plastic and Reconstructive Surgery, Tri-Service General Hospital, National Defense Medical Center, 325, Sec. 2, Cheng-Kung Rd, Taipei 114, Taiwan; 電子郵件： shyigen@gmail.com 參考文獻: Heimbach, D.M., Warden, G.D., Luterman, A., Multicenter postapproval clinical trial of Integra dermal regeneration template for burn treatment (2003) J Burn Care Rehabil., 24, pp. 42-48; Truong, A.T., Kowal-Vern, A., Latenser, B.A., Comparison of dermal substitutes in wound healing utilizing a nude mouse model (2005) J Burns Wounds., 4, pp. e4; Castagnoli, C., Fumagalli, M., Alotto, D., Preparation and characterization of a novel skin substitute (2010) J Biomed Biotechnol., 2010. , pii 840363; Zuk, P.A., Zhu, M., Ashjian, P., Human adipose tissue is a source of multipotent stem cells (2002) Mol Biol Cell., 13, pp. 4279-4295; Wilson, A., Butler, P.E., Seifalian, A.M., Adipose-derived stem cells for clinical applications: A review (2011) Cell Prolif., 44, pp. 86-98; 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year = "2012",
doi = "10.1097/SAP.0b013e318273f909",
language = "English",
volume = "69",
pages = "656--662",
journal = "Annals of Plastic Surgery",
issn = "0148-7043",
publisher = "Lippincott Williams and Wilkins",
number = "6",
}
