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| Titel: |
Platelet-derived growth factor-producing cells immortalized from rat mesencephalon with SV40 large T antigen transduced by an AAV vector |
| Auteur: |
André W. Phillips Peisu Zhang Mary Ellen Truckenmiller Stuart D. Keir Margaret Bouvier Carlo Tornatore William J. Freed |
| Verschenen in: |
Restorative neurology and neuroscience |
| Paginering: | Jaargang 21 (2003) nr. 1-2 pagina's 1-10 |
| Jaar: |
2003-07-11 |
| Inhoud: |
Purpose: Adeno-associated virus (AAV) can infect a wide variety of mammalian cell types and is capable of infecting both dividing and non-dividing cell populations. Here we report the construction of a recombinant AAV vector which expresses the SV40 large T protein (AAV-T) and the use of this vector to immortalize primary cells from embryonic rat mesencephalon. Methods: The AAV-T vector was constructed by introducing the BamH1 fragment of the pCMV/SVE/Neo plasmid containing T antigen and SV40 regulatory elements into the JM48 plasmid containing the inverted terminal repeats of AAV. Neuronal cultures from E-12 rat mesencephalon were grown in defined media supplemented with basic fibroblast growth factor. These cells were infected with the AAV-T vector. Results: A cell line (designated RMAT) and six subclones were established from these cultures through multiple passages. This cell line was immunoreactive for SV40 large T antigen and the cytoskeletal proteins nestin and vimentin. Morphological differentiation and expression of neurofilament 160 kDa were induced by exposure to dibutyrl cyclic AMP. Immunoassays performed to measure endogenous production of growth factors showed that RMAT cells produced high levels of platelet-derived growth factor (PDGF). Conclusions: AAV may be a useful vector for the transduction of oncogenes to produce cell lines. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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