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Open Access Green as soon as Postprint is submitted to ZB.
Dendritic cells pulsed with RNA encoding allogeneic MHC and antigen induce T cells with superior antitumor activity and higher TCR functional avidity.
Blood 114, 2131-2139 (2009)
Adoptive transfer of T cells expressing transgenic T-cell receptors (TCRs) with antitumor function is a hopeful new therapy for patients with advanced tumors; however, there is a critical bottleneck in identifying high-affinity TCR specificities needed to treat different malignancies. We have developed a strategy using autologous dendritic cells cotransfected with RNA encoding an allogeneic major histocompatibility complex mole-cule and a tumor-associated antigen to obtain allo-restricted peptide-specific T cells having superior capacity to recognize tumor cells and higher functional avidity. This approach provides maximum flexibility because any major histocompatibility complex molecule and any tumor-associated antigen can be combined in the dendritic cells used for priming of autologous T cells. TCRs of allorestricted T cells, when expressed as transgenes in activated peripheral blood lymphocytes, transferred superior function compared with self-restricted TCR. This approach allows high-avidity T cells and TCR specific for tumor-associated self-peptides to be easily obtained for direct adoptive T-cell therapy or for isolation of therapeutic transgenic TCR sequences.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
melanoma-cells; cancer regression; gene-therapy; lymphocytes; receptor; expression; peptide; malignancies; recognition; generation
ISSN (print) / ISBN
0006-4971
e-ISSN
1528-0020
Journal
Blood
Quellenangaben
Volume: 114,
Issue: 10,
Pages: 2131-2139
Publisher
American Society of Hematology
Publishing Place
WASHINGTON
Reviewing status
Peer reviewed