Selective targeting of engineered T cells using orthogonal IL-2 cytokine-receptor complexes.

Selective targeting of engineered T cells using orthogonal IL-2 cytokine-receptor complexes.
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DOI:
10.1126/science.aar3246
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发表时间:
2018-03-02
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Garcia KC
Garcia KC
中科院分区:
其他
文献类型:
--
作者:
Sockolosky JT;Trotta E;Parisi G;Picton L;Su LL;Le AC;Chhabra A;Silveria SL;George BM;King IC;Tiffany MR;Jude K;Sibener LV;Baker D;Shizuru JA;Ribas A;Bluestone JA;Garcia KC

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白细胞介素-2 (IL-2) 是效应 T 细胞扩增、存活和功能所需的细胞因子,特别是过继细胞免疫疗法中的工程化 T 细胞,但其多效性导致同时刺激和抑制免疫反应以及全身毒性,限制了其治疗用途。我们设计了 IL-2 细胞因子受体正交 (ortho) 对,它们彼此相互作用,传递天然 IL-2 信号,但不与其天然细胞因子和受体对应物相互作用。将orthoIL-2Rβ引入T细胞中,使得orthoIL-2能够在体外和体内选择性细胞靶向改造CD4+和CD8+T细胞,脱靶效应有限,毒性可忽略不计。 OrthoIL-2 对在过继细胞治疗的临床前小鼠癌症模型中有效,因此可能代表一种实现工程细胞选择性增强的合成方法。
Interleukin-2 (IL-2) is a cytokine required for effector T cell expansion, survival, and function, especially for engineered T cells in adoptive cell immunotherapy, but its pleiotropy leads to simultaneous stimulation and suppression of immune responses as well as systemic toxicity, limiting its therapeutic use. We engineered IL-2 cytokine-receptor orthogonal (ortho) pairs that interact with one another, transmitting native IL-2 signals, but do not interact with their natural cytokine and receptor counterparts. Introduction of orthoIL-2Rβ into T cells enabled the selective cellular targeting of orthoIL-2 to engineered CD4+ and CD8+ T cells in vitro and in vivo, with limited off-target effects and negligible toxicity. OrthoIL-2 pairs were efficacious in a preclinical mouse cancer model of adoptive cell therapy and may therefore represent a synthetic approach to achieving selective potentiation of engineered cells.
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