Gottfried, Eva and Krieg, René and Eichelberg, Christian and Andreesen, Reinhard and Mackensen, Andreas and Krause, Stefan W (2002) Characterization of cells prepared by dendritic cell-tumor cell fusion. Cancer immunity : a journal of the Academy of Cancer Immunology 2, p. 15.
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Dendritic cells (DCs) are professional antigen-presenting cells currently being discussed as a potent tool for antitumor vaccination strategies. The approach consisting of the in vitro generation of DC-tumor cell hybrids may be advantageous for individualized vaccines since there is no need for the determination of MHC-restricted tumor-associated antigens recognized by T cells. As recent vaccination studies gave varying results, we tested the impact of the fusion treatment on the cells used. Polyethylene glycol-induced fusion, as well as electrofusion, proved to be suitable for generating hybrid cells although at a low frequency. Of note, both methods also gave rise to DCs having phagocytosed apoptotic tumor cells. The expression of surface molecules relevant for specific T cell stimulation was not altered by the fusion procedure and the DCs were still functionally active as demonstrated by the secretion of IL-12 and the uptake of antigen. The cells were able to induce a tumor-specific T cell response in vitro and therefore deserve further investigation as potent tools for immunotherapy trials.
|Institutions:||Medicine > Abteilung für Hämatologie und Internistische Onkologie|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||15 Apr 2010 07:14|
|Last Modified:||15 Apr 2010 07:14|
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