A novel biologic platform elicits profound T cell costimulatory activity and antitumor immunity in mice.

A novel biologic platform elicits profound T cell costimulatory activity and antitumor immunity in mice.
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DOI:
10.1007/s00262-018-2116-1
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发表时间:
2018-04
期刊:
Cancer immunology, immunotherapy : CII
影响因子:
--
通讯作者:
Vella AT
Vella AT
中科院分区:
其他
文献类型:
--
作者:
Ryan JM;Mittal P;Menoret A;Svedova J;Wasser JS;Adler AJ;Vella AT

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利用互补模式的联合免疫疗法,针对不同的肿瘤属性或免疫抑制机制,或参与抗肿瘤免疫反应的不同分支,可以比成分单一疗法产生更大的治疗效果。增加治疗鸡尾酒中药物的数量可以进一步提高疗效,然而,这种方法对临床转化提出了许多挑战。本文展示了一种新的平台,通过将免疫治疗激动剂与共刺激受体CD134和CD137共价连接成一种单一的异二聚体药物“OrthomAb”,简化了联合免疫治疗。该试剂不仅保留了共刺激T细胞的活性,而且还激发了独特的T细胞功能,这些功能不是由任何一种激动剂编程的,并且优先扩展效应T细胞而不是Tregs。最后,在侵袭性黑色素瘤模型中,OrthomAb比非联用激动剂具有更好的治疗效果。这两种药物可以合二为一的证明为将复杂的组合药物鸡尾酒提炼成更简单的输送平台提供了一个框架。
Combination immunotherapies utilizing complementary modalities that target distinct tumor attributes or immunosuppressive mechanisms, or engage different arms of the antitumor immune response, can elicit greater therapeutic efficacy than the component monotherapies. Increasing the number of agents included in a therapeutic cocktail can further increase efficacy, however, this approach poses numerous challenges for clinical translation. Here, a novel platform to simplify combination immunotherapy by covalently linking immunotherapeutic agonists to the costimulatory receptors CD134 and CD137 into a single heterodimeric drug, “OrthomAb”, is shown. This reagent not only retains costimulatory T cell activity, but also elicits unique T cell functions that are not programmed by either individual agonist, and preferentially expands effector T cells over Tregs. Finally, in an aggressive melanoma model OrthomAb elicits better therapeutic efficacy compared to the unlinked agonists. This demonstration that two drugs can be combined into one provides a framework for distilling complex combination drug cocktails into simpler delivery platforms.
DOI: 10.1056/nejmoa1003466
发表时间: 2010-08-19
期刊: The New England journal of medicine
影响因子: --
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Hodi FS;O'Day SJ;McDermott DF;Weber RW;Sosman JA;Haanen JB;Gonzalez R;Robert C;Schadendorf D;Hassel JC;Akerley W;van den Eertwegh AJ;Lutzky J;Lorigan P;Vaubel JM;Linette GP;Hogg D;Ottensmeier CH;Lebbé C;Peschel C;Quirt I;Clark JI;Wolchok JD;Weber JS;Tian J;Yellin MJ;Nichol GM;Hoos A;Urba WJ
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DOI: 10.4049/jimmunol.179.4.2203
发表时间: 2007-08-15
影响因子: 4.4
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Lee, Seung-Joo;Rossi, Robert J.;Vella, Anthony T.
通讯作者: Vella, Anthony T.
DOI: 10.1158/0008-5472.can-05-2813
发表时间: 2006-05-01
期刊: CANCER RESEARCH
影响因子: 11.2
作者:
Cohen, AD;Diab, A;Houghton, AN
通讯作者: Houghton, AN
DOI: 10.1002/ijc.21098
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影响因子: 6.4
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