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Título: | ALPL-1 is a target for chimeric antigen receptor therapy in osteosarcoma |
Autor: | Mensali, Nadia; Köksal, Hakan; Joaquina, Sandy; Wernhoff, Patrik; Casey, Nicholas P.; Romecin, Paola; Panisello, Carla; Rodriguez, René; Vimeux, Lene; Juzeniene, Asta; Myhre, Marit R.; Fåne, Anne; Castilla, Carolina CSIC; Maggadottir, Solrun Melkorka; Duru, Adil Doganay; Georgoudaki, Anna-Maria; Grad, Iwona; Maturana, Andrés Daniel; Gaudernack, Gustav; Kvalheim, Gunnar; Carcaboso, Ángel M.; Álava, Enrique de CSIC ORCID; Donnadieu, Emmanuel; Bruland, Øyvind S.; Menéndez, Pablo; Inderberg, Else Marit; Wälchli, Sébastien | Fecha de publicación: | 8-jun-2023 | Editor: | Springer Nature | Citación: | Nature Communications 14: 3375 (2023) | Resumen: | Osteosarcoma (OS) remains a dismal malignancy in children and young adults, with poor outcome for metastatic and recurrent disease. Immunotherapies in OS are not as promising as in some other cancer types due to intra-tumor heterogeneity and considerable off-target expression of the potentially targetable proteins. Here we show that chimeric antigen receptor (CAR) T cells could successfully target an isoform of alkaline phosphatase, ALPL-1, which is highly and specifically expressed in primary and metastatic OS. The target recognition element of the second-generation CAR construct is based on two antibodies, previously shown to react against OS. T cells transduced with these CAR constructs mediate efficient and effective cytotoxicity against ALPL-positive cells in in vitro settings and in state-of-the-art in vivo orthotopic models of primary and metastatic OS, without unexpected toxicities against hematopoietic stem cells or healthy tissues. In summary, CAR-T cells targeting ALPL-1 show efficiency and specificity in treating OS in preclinical models, paving the path for clinical translation. | Versión del editor: | https://doi.org/10.1038/s41467-023-39097-x | URI: | http://hdl.handle.net/10261/337533 | DOI: | 10.1038/s41467-023-39097-x | E-ISSN: | 2041-1723 |
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