Volume 75, Issue 4 (July 2017)                   Tehran Univ Med J 2017, 75(4): 241-250 | Back to browse issues page

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Ataie M, Solouk A, Bagheri F, Seyed Jafari E. Regeneration of musculoskeletal injuries using mesenchymal stem cells loaded scaffolds: review article. Tehran Univ Med J. 2017; 75 (4) :241-250
URL: http://tumj.tums.ac.ir/article-1-8143-en.html
1- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
2- Department of Biotechnology, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran. , f.bagheri@modares.ac.ir
3- Department of Biotechnology, University of Tehran, Tehran, Iran.
Abstract:   (1393 Views)
An increase in the average age of the population and physical activities where the musculoskeletal system is involved as well as large number of people suffering from skeletal injuries which impose high costs on the society. Bone grafting is currently a standard clinical approach to treat or replace lost tissues. Autografts are the most common grafts, but they can lead to complications such as pain, infection, scarring and donor site morbidity. The alternative is allografts, but they also carry the risk of carrying infectious agents or immune rejection. Therefore, surgeons and researchers are looking for new therapeutic methods to improve bone tissue repair. The field of tissue engineering and the use of stem cells as an ideal cell source have emerged as a promising approach in recent years. Three main components in the field of tissue engineering include proper scaffolds, cells and growth factors that their combination leads to formation of tissue-engineered constructs, resulting in tissue repair and regeneration. The use of scaffolds with suitable properties could effectively improve the tissue function or even regenerate the damaged tissue. The main idea of tissue engineering is to design and fabricate an appropriate scaffold which can support cell attachment, proliferation, migration and differentiation to relevant tissue. Scaffold gives the tissue its structural and mechanical properties, for instance flexibility and stiffness that is related with the tissue functions. Biomaterials used to fabricate scaffolds can be categorized into natural or synthetic biodegradable or non-biodegradable materials. Polymers are the most widely used materials in tissue engineering. Growth factors are a group of proteins that cause cell proliferation and differentiation. Two main cell sources are specialized cells of desired tissue and stem cells. However, according to the low proliferation and limited accessibility to the cells of desired tissue, stem cells are better suggestion. Combination of mesenchymal stem cells harvested from bone marrow, adipose tissue and cord blood with proper scaffolds and growth factors could be a useful method in treatment of skeletal injuries. In this review paper, we focus on the application of mesenchymal stem cells in the repair of damaged bone, cartilage, meniscus, ligaments, tendons and spine tissue.
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Type of Study: Review Article | Subject: Pathology

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