Dendritic cell-based vaccines in patients with hematological malignancies

被引:0
|
作者
Brugger, W [1 ]
Schneider, A [1 ]
Schammann, T [1 ]
Dill, P [1 ]
Grünebach, F [1 ]
Bühring, HJ [1 ]
Kanz, L [1 ]
Brossart, P [1 ]
机构
[1] Univ Tubingen, Med Ctr 2, Dept Hematol Oncol Immunol & Rheumatol, D-72076 Tubingen, Germany
关键词
MUC1; AML; T-cell epitopes; dendritic cells; immunotherapy; leukemia;
D O I
暂无
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The epithelial mucin MUC1 is overexpressed on many epithelial malignancies as well as on some B-cell lymphomas and multiple myelomas. In the present study, we describe MUC1 expression also on primary AML blasts. To analyze the presentation of MUC1-derived HLA-A2 restricted peptides by primary AML blasts, we induced MUC1-specific cytotoxic T-lymphocytes (CTLs) in vitro using peptide pulsed dendritic cells from HLA-A2(+) healthy donors as antigen-presenting cells. These CTLs efficiently lysed primary AML blasts that constitutively expressed both MUC1 and HLA-A2. The specificity of the CTLs was confirmed in a cold target inhibition assay. Our data demonstrate that MUC1-derived peptides are tumor antigens in AML which could potentially be used for immunotherapeutic approaches.
引用
收藏
页码:359 / 363
页数:5
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