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Tabatabai, G; Hasenbach, K; Herrmann, C; Maurer, G; Möhle, R; Marini, P; Grez, M; Wick, W; Weller, M (2010). Glioma tropism of lentivirally transduced hematopoietic progenitor cells. International Journal of Oncology, 36(6):1409-1417.

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Abstract

Experimental gliomas attract hematopoietic progenitor cells (HPC) in vivo. HPC are therefore promising candidates for a cell-based delivery of therapeutic molecules to experimental gliomas. A therapeutic application requires efficient genetic manipulation of the cellular vector and a lack of tumorigenicity. Here, we studied the impact of lenti-viral transduction on the glioma tropism of human or murine HPC. Transduction of human or murine HPC with a GFP lentivirus (lenti-GFP) did not interfere with the glioma-mediated attraction of HPC. Bone marrow reconstitution of C57Bl/6 mice with syngeneic GFP-transgenic lineage-depleted bone marrow cells (lin- BM) was as efficient as reconstitution with syngeneic lin- BM transduced ex vivo with lenti-GFP. SMA-560 gliomas growing orthotopically in lenti-GFP-reconstituted VM/Dk mice recruited GFP-positive bone marrow-derived cells. Thus, lentiviral transduction did not interfere with the attraction of exogenously injected HPC or endogenous bone marrow-derived cells by experimental gliomas. Lenti-GFP-HPC implanted directly into tumor-free brains were not tumorigenic. The intravenous injection of lenti-GFP-HPC in glioma-bearing mice did not alter the survival of otherwise untreated animals and had no impact on the survival benefit conferred by cerebral irradiation. Taken together, genetic manipulation of HPC with lenti-GFP neither made these cells tumorigenic nor interfered with their glioma tropism.

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7 citations in Web of Science®
6 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
DDC:610 Medicine & health
Language:English
Date:2010
Deposited On:15 Jul 2010 14:37
Last Modified:27 Nov 2013 20:32
Publisher:Spandidos
ISSN:1019-6439
Free access at:Official URL. An embargo period may apply.
Publisher DOI:10.3892/ijo_00000626
PubMed ID:20428764

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