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- Title
Blood Vessel Matrix Seeded with Cells: A Better Alternative for Abdominal Wall Reconstruction—A Long-Term Study.
- Authors
Nowacki, Maciej; Jundziłł, Arkadiusz; Nazarewski, Łukasz; Kotela, Andrzej; Kloskowski, Tomasz; Skopińska-Wisniewska, Joanna; Bodnar, Magdalena; Łukasiewicz, Aleksander; Nazarewski, Sławomir; Kotela, Ireneusz; Kucharzewski, Marek; Pokrywczyńska, Marta; Marszałek, Andrzej; Drewa, Tomasz
- Abstract
Purpose. The aim of this study was to present abdominal wall reconstruction using a porcine vascular graft seeded with MSC (mesenchymal stem cells) on rat model. Material and Methods. Abdominal wall defect was prepared in 21 Wistar rats. Acellular porcine-vascular grafts taken from aorta and prepared with Triton X were used. 14 aortic grafts were implanted in place, of which 7 grafts were seeded with rat MSC cells (Group I), and 7 were acellular grafts (Group II). As a control, 7 standard polypropylene meshes were used for defect augmentation (Group III). The assessment method was performed by HE and CD31 staining after 6 months. The mechanical properties have been investigated by Zwick&Roell Z0.5. Results. The strongest angiogenesis and lowest inflammatory response were observed in Group I. Average capillaries density was 2.75, 0.75, and 1.53 and inflammatory effect was 0.29, 1.39, and 2.72 for Groups I, II, and III, respectively. The means of mechanical properties were 12.74±1.48, 7.27±1.56, and 14.4±3.7 N/cm in Groups I and II and control, respectively. Conclusions. Cell-seeded grafts have better mechanical properties than acellular grafts but worse than polypropylene mesh. Cells improved mechanical and physiological properties of decellularized natural scaffolds.
- Subjects
POLAND; HERNIA surgery; INFLAMMATION prevention; ACADEMIC medical centers; ANIMAL experimentation; HOMOGRAFTS; IMMUNOHISTOCHEMISTRY; LONGITUDINAL method; NEOVASCULARIZATION; RATS; STEM cells; T-test (Statistics); WOUND healing; PROPORTIONAL hazards models
- Publication
BioMed Research International, 2015, Vol 2015, p1
- ISSN
2314-6133
- Publication type
Article
- DOI
10.1155/2015/890613