Toll-like receptor agonists and invariant natural killer T-cells enhance antibody-dependent cell-mediated cytotoxicity (ADCC)

被引:23
|
作者
Moreno, Maria [1 ,2 ]
Mol, Berber M. [1 ]
von Mensdorff-Pouilly, Silvia [2 ]
Verheijen, Rene H. M. [3 ]
von Blomberg, B. Mary E. [1 ]
van den Eertwegh, Alfons J. M. [4 ]
Scheper, Rik J. [1 ]
Bontkes, Hetty J. [1 ]
机构
[1] Vrije Univ Amsterdam Med Ctr, Dept Pathol, NL-1081 HV Amsterdam, Netherlands
[2] Vrije Univ Amsterdam Med Ctr, Dept Obstet & Gynaecol, NL-1081 HV Amsterdam, Netherlands
[3] Univ Med Ctr Utrecht, Dept Woman & Baby, Div Surg & Oncol Gynaecol, Utrecht, Netherlands
[4] Vrije Univ Amsterdam Med Ctr, Dept Med Oncol, NL-1081 HV Amsterdam, Netherlands
关键词
Human; Invariant NKT cells; Toll-like receptors; NK cells; ADCC;
D O I
10.1016/j.canlet.2008.06.028
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
huHMFG-1 (AS1402) is a humanised IgG1 against MUC1, which exerts tumour cell killing through antibody-dependent cellular cytotoxicity (ADCC) mediated by natural killer (NK) cells. Here, we explored the capacity of invariant NKT (iNKT) cells, which are known to activate NK cells, and toll-like receptor (TLR) ligands which activate both iNKT and NK cells, to enhance huHMFG-1-ADCC. Addition of iNKT cells, as well as TLR2/6, 7, 8 and 9 agonists to PBMC improved the efficacy of huHMFG-1. These results suggest that transfer of ex vivo expanded iNKT cells or TLR agonist treatment may improve the efficacy of NK cell-mediated antibody-based tumour immunotherapies. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:70 / 76
页数:7
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