Genetically engineered T cells to target EGFRvIII expressing glioblastoma.

Genetically engineered T cells to target EGFRvIII expressing glioblastoma.
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DOI:
10.1007/s11060-009-9889-1
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发表时间:
2009-09
影响因子:
3.9
通讯作者:
Carter BS
Carter BS
中科院分区:
医学2区
文献类型:
--
作者:
Bullain SS;Sahin A;Szentirmai O;Sanchez C;Lin N;Baratta E;Waterman P;Weissleder R;Mulligan RC;Carter BS

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Glioblastoma remains a significant therapeutic challenge, warranting further investigation of novel therapies. We describe an immunotherapeutic strategy to treat glioblastoma based on adoptive transfer of genetically modified T-lymphocytes (T cells) redirected to kill EGFRvIII expressing gliomas. We constructed a chimeric immune receptor (CIR) specific to EGFRvIII, (MR1-ζ). After in vitro selection and expansion, MR1-ζ genetically modified primary human T-cells specifically recognized EGFRvIII-positive tumor cells as demonstrated by IFN-γ secretion and efficient tumor lysis compared to control CIRs defective in EGFRvIII binding (MRB-ζ) or signaling (MR1-delζ). MR1-ζ expressing T cells also inhibited EGFRvIII-positive tumor growth in vivo in a xenografted mouse model. Successful targeting of EGFRvIII-positive tumors via adoptive transfer of genetically modified T cells may represent a new immunotherapy strategy with great potential for clinical applications.
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