Journal
NEUROCHEMISTRY INTERNATIONAL
Volume 54, Issue 2, Pages 73-83Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuint.2008.11.002
Keywords
Spinal cord regeneration; Biomaterial; Scaffold; Schwann cell
Categories
Funding
- Iranian Center of Spinal Cord Regeneration
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Spinal cord injury is very complicated, as there are factors in the body that inhibit its repair. Although regeneration of the mammalian central nervous system (CNS) was once thought to be impossible, studies over the past two decades have shown that axonal growth after spinal cord injury can occur when provided with the correct substratum. Traditionally, tissue transplantation or peripheral nerve grafting are used to repair damaged or diseased regions of the CNS, but donor shortage and immunological problems associated with infectious disease are often encountered. Fortunately, recent advances in neuroscience, cell culture, and biomaterials provide optimistic future using new treatments for nerve injuries. Biomaterial scaffold creates substrate within which cells are instructed to form a tissue or an organ in a highly controlled way. The principal function of a scaffold is to direct cell behavior such as migration, proliferation, differentiation, maintenance of phenotype, and apoptosis by facilitating sensing and responding to the environment via cell-matrix and cell-cell communications. Therefore. having such abilities provides scaffolds seeded with a special type of cell as an important part of tissue engineering and regenerative medicine which spinal cord regeneration is an example of. Nevertheless, the vast number of biodegradable synthetic and natural biopolymers makes choosing the right one very difficult. In this review article, it was tried to provide an inclusive survey of biopolymers seeded with Schwann cells (SCs) to be used for axonal regeneration in the nervous system. (C) 2008 Elsevier Ltd. All rights reserved.
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