Conductive Scaffolds for Cardiac and Neuronal Tissue Engineering: Governing Factors and Mechanisms

被引:135
作者
Burnstine-Townley, Alex [1 ]
Eshel, Yoni [1 ]
Amdursky, Nadav [1 ]
机构
[1] Technion Israel Inst Technol, Schulich Fac Chem, IL-3200003 Haifa, Israel
关键词
cardiac tissue; conductive polymers; conductive scaffolds; neuron tissue; tissue engineering; MESENCHYMAL STEM-CELLS; NERVE GROWTH-FACTOR; CARBON NANOTUBES; ELECTRICAL-STIMULATION; NANOFIBROUS MEMBRANES; GRAPHENE OXIDE; LONG-TERM; POLYPYRROLE; HYDROGELS; DIFFERENTIATION;
D O I
10.1002/adfm.201901369
中图分类号
O6 [化学];
学科分类号
070301 [无机化学];
摘要
Tissue engineering is a promising therapeutic approach in medicine, targeting the replacement of a diseased tissue with a healthy one grown within an artificial scaffold. Due to the high prevalence of cardiac and brain-related ailments that involve some necrosis of tissue, cardiac and neuronal tissue engineering are intensely studied fields in regenerative medicine. A growing trend in the use of conductive scaffolds for the growth of these tissues has been witnessed recently. While the results are irrefutable, the mechanism of how an electrically conducting scaffold interacts with an electroactive tissue remains has remained elusive. An up-to-date summary of all work done in the field is reported, with a special focus on the specific contribution of the conductive scaffold on the performance of the formed tissue. The cell-scaffold electronic interface is then explored from an electrical engineering perspective. The electronic configuration of the system and the mechanisms and governing factors controlling the ability of a conductive scaffold to support cardiac and neuronal tissues are discussed. Using several simulations, the required conductivity of the scaffold in order for it to be suitable for tissue engineering-which also depends on the nature of the charge carriers-is also discussed.
引用
收藏
页数:27
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