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Neudorfer, J.* ; Schmidt, B.* ; Huster, K.M. ; Anderl, F.* ; Schiemann, M. ; Holzapfel, G.* ; Schmidt, T.* ; Germeroth, L.* ; Wagner, H.* ; Peschel, C.* ; Busch, D.H. ; Bernhard, H.

Reversible HLA multimers (Streptamers) for the isolation of human cytotoxic T lymphocytes functionally active against tumor- and virus-derived antigens.

J. Immunol. Methods 320, 119-131 (2007)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
The development of MHC/peptide multimers has facilitated the visualization and purification of antigen-specific T cells. However, the persistence of multimers leads to prolonged T cell receptor signaling and subsequently to altered T-cell function. We have recently developed a new type of MHC/peptide multimers, which can be dissociated from the T cell. Herein, we have generated and tested for the first time reversible HLA/peptide multimers, termed Streptamers, for the isolation of human T cells. The Streptamer technique demonstrates the specificity and sensitivity of conventional HLA/peptide tetramers with regards to the sorting of human T lymphocytes. This is shown for T cells directed against immunogenic peptides derived from viral and tumor-associated antigens. We show that antigen-specific cytotoxic T cells remain functionally active following Streptamer dissociation, whereas lytic function and proliferation of the T cells is impaired in the presence of conventional tetramers. These novel HLA/peptide Streptamer reagents allow the isolation of antigen-specific T cells with preserved function and, therefore, facilitate the development of adoptive T cell transfer regimens for the treatment of patients with cancer or infectious diseases.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2007
HGF-reported in Year 0
ISSN (print) / ISBN 0022-1759
e-ISSN 1872-7905
Quellenangaben Volume: 320, Issue: 1-2, Pages: 119-131 Article Number: , Supplement: ,
Publisher Elsevier
Reviewing status Peer reviewed
POF-Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s) Immune Response and Infection
PSP Element(s) G-520100-001
PubMed ID 17306825
Erfassungsdatum 2007-12-31