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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kenar, H. Kose, G. T. Hasirci, V. |
| Copyright Year | 2009 |
| Abstract | The heart does not regenerate new functional tissue when myocardium dies following coronary artery occlusion, or if it is defective. Ventricular restoration involves excising the infarct and replacing it with a cardiac patch to restore the heart to a more healthy condition. The goal of this study was to design and develop a clinically applicable myocardial patch to replace myocardial infarcts and improve long-term heart function. A basic design composed of 3D microfibrous mats that house mesenchymal stem cells (MSCs) was developed from human umbilical cord matrix (Wharton’s Jelly) cells aligned in parallel to each other mimicking the native myocardium. Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), poly(L-D,L-lactic acid) (P(L-D,L)LA) and poly(glycerol sebacate) (PGS) were blended and electrospun into aligned fiber mats with fiber diameter ranging between 1.10 and 1.25 μm. The micron-sized parallel fibers of the polymer blend were effective in cell alignment and cells have penetrated deep within the mat through the fiber interstices, occupying the whole structure; 8–9 cell layers were obtained. Biodegradable macroporous tubings were introduced to serve as nutrient delivery route. It was possible to create a thick myocardial patch with structure similar to the native tissue and with a capability to grow. |
| Starting Page | 989 |
| Ending Page | 997 |
| Page Count | 9 |
| File Format | |
| ISSN | 09574530 |
| Journal | Journal of Materials Science: Materials in Medicine |
| Volume Number | 21 |
| Issue Number | 3 |
| e-ISSN | 15734838 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2009-10-29 |
| Publisher Place | Boston |
| Access Restriction | Subscribed |
| Subject Keyword | Surfaces and Interfaces, Thin Films Characterization and Evaluation of Materials Metallic Materials Ceramics, Glass, Composites, Natural Methods Polymer Sciences Biomaterials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomaterials Biophysics Bioengineering Biomedical Engineering |
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