Adeno-associated virus type 2 vectors: transduction and long-term expression in cerebellar Purkinje cells in vivo is mediated by the fibroblast growth factor receptor 1

Adeno-associated virus type 2 vectors: transduction and long-term expression in cerebellar... The receptor for adeno-associated virus serotype 2 (AAV2) in Purkinje cells has not been identified, but based on work carried out in non-neuronal cell lines, heparan sulfate proteoglycan is thought to act as a primary receptor, with basic fibroblast growth factor receptor-1 being reported as a co-receptor. In this study, using antibody interference and protein competition strategies, we show specific reduction in Purkinje cell transduction by AAV2 vector in the presence of these inhibitors. We also demonstrate AAV2-mediated transgene expression in Purkinje cells in vivo that extends out to one year post-injection. These results provide new information on fibroblast growth factor receptor-1 involvement in AAV2-mediated transduction of Purkinje cells and have important implications for AAV-mediated treatment of various cerebellar disorders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Adeno-associated virus type 2 vectors: transduction and long-term expression in cerebellar Purkinje cells in vivo is mediated by the fibroblast growth factor receptor 1

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Publisher
Springer Vienna
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-008-0222-7
Publisher site
See Article on Publisher Site

Abstract

The receptor for adeno-associated virus serotype 2 (AAV2) in Purkinje cells has not been identified, but based on work carried out in non-neuronal cell lines, heparan sulfate proteoglycan is thought to act as a primary receptor, with basic fibroblast growth factor receptor-1 being reported as a co-receptor. In this study, using antibody interference and protein competition strategies, we show specific reduction in Purkinje cell transduction by AAV2 vector in the presence of these inhibitors. We also demonstrate AAV2-mediated transgene expression in Purkinje cells in vivo that extends out to one year post-injection. These results provide new information on fibroblast growth factor receptor-1 involvement in AAV2-mediated transduction of Purkinje cells and have important implications for AAV-mediated treatment of various cerebellar disorders.

Journal

Archives of VirologySpringer Journals

Published: Nov 1, 2008

References

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