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Oncoimmunology ; 10(1): 2003532, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-35686214

RESUMEN

Chimeric antigen receptor (CAR)-T therapy holds great promise to sustainably improve cancer treatment. However, currently, a broad applicability of CAR-T cell therapies is hampered by limited CAR-T cell versatility and tractability and the lack of exclusive target antigens to discriminate cancerous from healthy tissues. To achieve temporal and qualitative control on CAR-T function, we engineered the Adapter CAR (AdCAR) system. AdCAR-T are redirected to surface antigens via biotin-labeled adapter molecules in the context of a specific linker structure, referred to as Linker-Label-Epitope. AdCAR-T execute highly specific and controllable effector function against a multiplicity of target antigens. In mice, AdCAR-T durably eliminate aggressive lymphoma. Importantly, AdCAR-T might prevent antigen evasion by combinatorial simultaneous or sequential targeting of multiple antigens and are capable to identify and differentially lyse cancer cells by integration of adapter molecule-mediated signals based on multiplex antigen expression profiles. In consequence the AdCAR technology enables controllable, flexible, combinatorial, and selective targeting.


Asunto(s)
Neoplasias , Receptores Quiméricos de Antígenos , Animales , Inmunoterapia Adoptiva , Ratones , Neoplasias/terapia , Receptores de Antígenos de Linfocitos T/genética , Receptores Quiméricos de Antígenos/genética , Linfocitos T , Tecnología
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