Grube, Matthias and Moritz, Stephanie and Obermann, Ellen C. and Rezvani, Katayoun and Mackensen, Andreas and Andreesen, Reinhard and Holler, Ernst (2007) CD8+ T cells reactive to survivin antigen in patients with multiple myeloma. Clinical cancer research : an official journal of the American Association for Cancer Research 13 (3), pp. 1053-60.
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PURPOSE: Survivin is a member of the inhibitors of apoptosis family and is overexpressed in different types of malignancies. Cytotoxic T cells recognizing survivin epitopes can be elicited in vitro and by vaccination in patients with leukemia, breast cancer, and melanoma. We did this study to investigate whether survivin-specific CD8+ T cells occur in patients with multiple myeloma. EXPERIMENTAL DESIGN: An HLA-A2.1-binding survivin peptide was used to detect peptide-specific T cells by a quantitative real-time PCR to measure antigen-specific IFN-gamma mRNA expression in 23 patients with myeloma and 21 healthy volunteers. T cells producing IFN-gamma in response to survivin were further analyzed for expression of CD45RA and CCR7 to determine phenotypic characterization. Additional immunohistochemical analyses of survivin antigen expression in bone marrow specimens of patients was done. RESULTS: T cells recognizing HLA-A2.1-binding survivin peptide were detected in 9 of 23 patients and in 1 of 21 healthy volunteers. Survivin-reactive T cells were identified as terminally differentiated effector T cells (CD8+, CD45RA+, and CCR7-). Positive survivin expression of myeloma cells in bone marrow specimens was shown in 7 of 11 patients. CONCLUSION: We provide, for the first time, evidence of T cell reactivity against survivin antigen in patients with multiple myeloma. Our data suggest the immunogenicity of survivin antigen in multiple myeloma and that immunotherapeutic strategies using survivin as a target antigen might be an option for patients with this disease.
|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:||20 Apr 2010 11:27|
|Last Modified:||20 Apr 2010 11:27|
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