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Electroactive scaffolds for cardiac tissue regeneration
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.
Linköping University, Department of Clinical and Experimental Medicine, Division of Cell Biology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Cell Biology. Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0001-6024-4144
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2071-7768
2013 (English)Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Myocardial Infarction (MI), commonly known as a heart attack, is the interruption of blood supply to a part of the heart, causing heart cells to die. In order to restore function by-pass surgery or ultimately heart transplantation is needed. However, due to the shortage of organ donors and complications associated with immune suppressive treatments, development of new strategies to help regenerate the injured heart is necessary. Stem cell therapy can be used to repair necrotic heart tissue and achieve myocardial regeneration. This research is focused on developing implantable electroactive fiber scaffolds that will increase the differentiation ratio of mesenchymal stem cells into cardiomyocytes and thus increase the formation of novel cardiac tissue to repair or replace the damaged cardiac tissue after MI. Composite nanofibrous scaffold of poly(dl-lactide-co-glycolide) (PLGA) have been coated with biodoped polypyrrole to create an electroactive fiber scaffold, with controllable fiber dimensions and alignment. The electrical properties of the polymers are an integral factor in creating these 'intelligent' 3-D materials; not only does the inherent conductivity provide a platform for electrical stimulation, but the ionic actuation of the polymer can also provide mechanical stimulation to the seeded cells. The biocompatibility of the polymer, PLGA scaffolds, and coated PLGA scaffolds has been investigated using primary cardiovascular progenitor cells.

Place, publisher, year, edition, pages
2013.
National Category
Biomaterials Science
Identifiers
URN: urn:nbn:se:liu:diva-100530OAI: oai:DiVA.org:liu-100530DiVA: diva2:662912
Conference
EuroEAP 2013. Third international conference on Electromechanically Active Polymer (EAP) transducers and artificial muscles, June 25-26, Dübendorf (Zürich), Switzerland
Available from: 2013-11-08 Created: 2013-11-08 Last updated: 2014-10-08Bibliographically approved

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Gelmi, AmyLjunggren, MonikaRafat, MehrdadJager, Edwin

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Gelmi, AmyLjunggren, MonikaRafat, MehrdadJager, Edwin
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Biosensors and BioelectronicsThe Institute of TechnologyDivision of Cell BiologyFaculty of Health Sciences
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