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Fibrin conduit supplemented with human mesenchymal stem cells supports regeneration after peripheral nerve injury
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- McGrath, Aleksandra (författare)
- Umeå universitet,Anatomi,Neurogruppen
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- Brohlin, Maria (författare)
- Umeå universitet,Anatomi
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- Paul, Kingham (författare)
- Umeå universitet,Anatomi,Neurogruppen
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- (creator_code:org_t)
- Engelska.
- Annan publikation (övrigt vetenskapligt/konstnärligt)
Abstract
Ämnesord
Stäng
- To address the need for the development of bioengineered replacement of a nerve graft for treatment of peripheral nerve injuries a novel two component fibrin glue conduit was combined with human mesenchymal stem cells (hMSC) and immunosupressive treatment with cyclosporine. MSC possess the advantage of lower donor site morbidity and easier expandability in vitro compared with Schwann cells. The effects of hMSC on axonal regeneration in the conduit and reaction of activated macrophages was investigated using sciatic nerve injury model. The experiments were performed on 20 female Fischer rats (8-10 weeks old). A 10mm gap in the sciatic nerve was created and repaired either with fibrin glue conduit containing diluted fibrin matrix or fibrin glue conduit containing fibrin matrix with hMSC at concentration of 80x106 cells per ml. Cells were labeled with PKH26 prior to transplantation. The animals were allowed to survive for 3 weeks and some groups were treated with daily injections of cyclosporine. After 3 weeks the conduits were harvested and the distance of regeneration and area occupied by regenerating axons together with ED1 staining of activated macrophages was measured. hMSC survived in the conduit and enhanced axonal regeneration only when transplantation was combined with cyclosporine treatment. Moreover, cyclosporine significantly reduced the ED1 macrophage reaction.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- Peripheral nerve injury
- Nerve conduit
- Bone marrow
- Mesenchymal stem cells
- Regeneration
- anatomi
- Human Anatomy
- cell research
- cellforskning
Publikations- och innehållstyp
- vet (ämneskategori)
- ovr (ämneskategori)
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- McGrath, Aleksan ...
- Brohlin, Maria
- Paul, Kingham
- Novikov, Lev
- Wiberg, Mikael
- Novikova, Liudmi ...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
- MEDICIN OCH HÄLS ...
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- och Neurovetenskaper
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- Umeå universitet
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