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The immunogenicity of Bcr-Abl expressing dendritic cells is dependent on the Bcr-Abl kinase activity and dominated by Bcr-Abl regulated antigens.
Blood 110, 2556-2560 (2007)
In Ph(+) chronic myeloid leukemia (CML), the constitutively active Bcr-Abl kinase leads to the up-regulation and activation of multiple genes, which may subsequently result in the expression of leukemia-associated antigens. In this study, we investigated the immunogenicity of Bcr-Abl-regulated antigens by stimulating CD8(+) T lymphocytes with autologous dendritic cells transfected with RNA coding for Bcr-Abl wild-type or a kinase-deficient mutant. Significant HLA class I-restricted T-cell responses were detected against antigens regulated by the Bcr-Abl kinase, but not toward the Bcr-Abl protein itself. The T-cell repertoire of a patient with CML in major molecular remission due to imatinib mesylate was also dominated by T cells directed against Bcr-Abl-regulated antigens. These results encourage the development of immunotherapeutic approaches against Bcr-Abl-regulated antigens for the treatment of CML patients with residual disease following therapy with Bcr-Abl kinase inhibitors.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
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10.370
0.000
16
16
Anmerkungen
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
2007
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0006-4971
e-ISSN
1528-0020
Zeitschrift
Blood
Quellenangaben
Band: 110,
Heft: 7,
Seiten: 2556-2560
Verlag
American Society of Hematology
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Molecular Immunology (IMI)
PSP-Element(e)
G-501700-005
PubMed ID
17579186
WOS ID
000249800900054
Erfassungsdatum
2007-12-31