Targeting colorectal cancer cells using AND-gated adaptor RevCAR T-cells
Despite the success of chimeric antigen receptor (CAR) T-cells especially for treating hematological malignancies, critical drawbacks, such as “on-target, off-tumor” toxicities, need to be addressed to improve safety in translating to clinical application. This is especially true, when targeting tum...
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| Hauptverfasser: | , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
15 December 2023
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| In: |
Frontiers in immunology
Year: 2023, Jahrgang: 14, Pages: 1-16 |
| ISSN: | 1664-3224 |
| DOI: | 10.3389/fimmu.2023.1302354 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3389/fimmu.2023.1302354 Verlag, lizenzpflichtig, Volltext: https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2023.1302354/full 
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| Verfasserangaben: | Karla E.G. Soto, Liliana R. Loureiro, Tabea Bartsch, Claudia Arndt, Nicola Mitwasi, Laura Drewitz, Haidy A. Saleh, Maria Mehnert, Hinrich Abken, Frank Momburg, Michael Bachmann and Anja Feldmann |
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| 100 | 1 | |a Soto, Karla E. G. |e VerfasserIn |0 (DE-588)132354190X |0 (DE-627)1883481066 |4 aut | |
| 245 | 1 | 0 | |a Targeting colorectal cancer cells using AND-gated adaptor RevCAR T-cells |c Karla E.G. Soto, Liliana R. Loureiro, Tabea Bartsch, Claudia Arndt, Nicola Mitwasi, Laura Drewitz, Haidy A. Saleh, Maria Mehnert, Hinrich Abken, Frank Momburg, Michael Bachmann and Anja Feldmann |
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| 520 | |a Despite the success of chimeric antigen receptor (CAR) T-cells especially for treating hematological malignancies, critical drawbacks, such as “on-target, off-tumor” toxicities, need to be addressed to improve safety in translating to clinical application. This is especially true, when targeting tumor-associated antigens (TAAs) that are not exclusively expressed by solid tumors but also on hea9lthy tissues. To improve the safety profile, we developed switchable adaptor CAR systems including the RevCAR system. RevCAR T-cells are activated by cross-linking of bifunctional adaptor molecules termed target modules (RevTM). In a further development, we established a Dual-RevCAR system for an AND-gated combinatorial targeting by splitting the stimulatory and co-stimulatory signals of the RevCAR T-cells on two individual CARs. Examples of common markers for colorectal cancer (CRC) are the carcinoembryonic antigen (CEA) and the epithelial cell adhesion molecule (EpCAM), while these antigens are also expressed by healthy cells. Here we describe four novel structurally different RevTMs for targeting of CEA and EpCAM. All anti-CEA and anti-EpCAM RevTMs were validated and the simultaneous targeting of CEA+ and EpCAM+ cancer cells redirected specific in vitro and in vivo killing by Dual-RevCAR T-cells. In summary, we describe the development of CEA and EpCAM specific adaptor RevTMs for monospecific and AND-gated targeting of CRC cells via the RevCAR platform as an improved approach to increase tumor specificity and safety of CAR T-cell therapies. | ||
| 650 | 4 | |a AND-gate targeting | |
| 650 | 4 | |a CAR T-cells | |
| 650 | 4 | |a CEA | |
| 650 | 4 | |a colorectal cancer | |
| 650 | 4 | |a EpCAM | |
| 700 | 1 | |a Loureiro, Liliana R. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Bartsch, Tabea |e VerfasserIn |4 aut | |
| 700 | 1 | |a Arndt, Claudia |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mitwasi, Nicola |e VerfasserIn |4 aut | |
| 700 | 1 | |a Drewitz, Laura |e VerfasserIn |4 aut | |
| 700 | 1 | |a Saleh, Haidy A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mehnert, Maria |e VerfasserIn |4 aut | |
| 700 | 1 | |a Abken, Hinrich |e VerfasserIn |4 aut | |
| 700 | 1 | |a Momburg, Frank |e VerfasserIn |0 (DE-588)1104713152 |0 (DE-627)862075041 |0 (DE-576)169249816 |4 aut | |
| 700 | 1 | |a Bachmann, Michael |e VerfasserIn |4 aut | |
| 700 | 1 | |a Feldmann, Anja |e VerfasserIn |4 aut | |
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