PuSH - Publikationsserver des Helmholtz Zentrums München

Bonertz, A.* ; Weitz, J.* ; Pietsch, D.H.* ; Rahbari, N.N.* ; Schlude, C.* ; Ge, Y.* ; Juenger, S.* ; Vlodavsky, I.* ; Khazaie, K.* ; Jaeger, D.* ; Reissfelder, C.* ; Antolovic, D.* ; Aigner, M.* ; Koch, M.* ; Beckhove, P.*

Antigen-specific Tregs control T cell responses against a limited repertoire of tumor antigens in patients with colorectal carcinoma.

J. Clin. Invest. 119, 3311-3321 (2009)
DOI PMC
Open Access Gold möglich sobald Verlagsversion bei der ZB eingereicht worden ist.
Spontaneous antitumor T cell responses in cancer patients are strongly controlled by Tregs, and increased numbers of tumor-infiltrating Tregs correlate with reduced survival. However, the tumor antigens recognized by Tregs in cancer patients and the impact of these cells on tumor-specific T cell responses have not been systematically characterized. Here we used a broad panel of long synthetic peptides of defined tumor antigens and normal tissue antigens to exploit a newly developed method to identify and compare ex vivo the antigen specificities of Tregs with those of effector/memory T cells in peripheral blood of colorectal cancer patients and healthy subjects. Tregs in tumor patients were highly specific for a distinct set of only a few tumor antigens, suggesting that Tregs exert T cell suppression in an antigen-selective manner. Tumor-specific effector T cells were detectable in the majority of colorectal cancer patients but not in healthy individuals. We detected differences in the repertoires of antigens recognized by Tregs and effector/memory T cells in the majority of colorectal cancer patients. In addition, only effector/memory T cell responses against antigens recognized by Tregs strongly increased after Treg depletion. The selection of antigens according to preexisting T cell responses may improve the efficacy of future immunotherapies for cancer and autoimmune disease.
Impact Factor
Scopus SNIP
Scopus
Cited By
Altmetric
0.000
4.300
166
Tags
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern

Zusatzinfos bearbeiten
Eigene Tags bearbeiten
Privat
Eigene Anmerkung bearbeiten
Privat
Auf Publikationslisten für
Homepage nicht anzeigen
Als besondere Publikation
markieren
Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2009
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0021-9738
e-ISSN 1558-8238
Quellenangaben Band: 119, Heft: 11, Seiten: 3311-3321 Artikelnummer: , Supplement: ,
Verlag American Society of Clinical Investigation
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Pancreatic Islet Research (IPI)
PubMed ID 19809157
Erfassungsdatum 2009-12-31