| Literature DB >> 35174975 |
Lucía Zhu1, Diana Retana1, Pedro García-Gómez1, Laura Álvaro-Espinosa1, Neibla Priego1, Mariam Masmudi-Martín1, Natalia Yebra1, Lauritz Miarka1, Elena Hernández-Encinas2, Carmen Blanco-Aparicio2, Sonia Martínez2, Cecilia Sobrino3, Nuria Ajenjo3, Maria-Jesus Artiga3, Eva Ortega-Paino3, Raúl Torres-Ruiz4,5, Sandra Rodríguez-Perales4, Riccardo Soffietti6, Luca Bertero7, Paola Cassoni7, Tobias Weiss8, Javier Muñoz9, Juan Manuel Sepúlveda10, Pedro González-León11, Luis Jiménez-Roldán11,12,13, Luis Miguel Moreno11, Olga Esteban11, Ángel Pérez-Núñez11,12,14, Aurelio Hernández-Laín13, Oscar Toldos13, Yolanda Ruano15,16, Lucía Alcázar17, Guillermo Blasco17, José Fernández-Alén17, Eduardo Caleiras18, Miguel Lafarga19, Diego Megías20, Osvaldo Graña-Castro21, Carolina Nör22, Michael D Taylor22, Leonie S Young23, Damir Varešlija23, Nicola Cosgrove23, Fergus J Couch24, Lorena Cussó25,26,27,28, Manuel Desco25,26,27,28, Silvana Mouron29, Miguel Quintela-Fandino29, Michael Weller8, Joaquín Pastor2, Manuel Valiente1.
Abstract
We report a medium-throughput drug-screening platform (METPlatform) based on organotypic cultures that allows to evaluate inhibitors against metastases growing in situ. By applying this approach to the unmet clinical need of brain metastasis, we identified several vulnerabilities. Among them, a blood-brain barrier permeable HSP90 inhibitor showed high potency against mouse and human brain metastases at clinically relevant stages of the disease, including a novel model of local relapse after neurosurgery. Furthermore, in situ proteomic analysis applied to metastases treated with the chaperone inhibitor uncovered a novel molecular program in brain metastasis, which includes biomarkers of poor prognosis and actionable mechanisms of resistance. Our work validates METPlatform as a potent resource for metastasis research integrating drug-screening and unbiased omic approaches that is compatible with human samples. Thus, this clinically relevant strategy is aimed to personalize the management of metastatic disease in the brain and elsewhere.Entities:
Keywords: drug-screen; metastasis; organotypic cultures; patient-derived; resistance
Mesh:
Substances:
Year: 2022 PMID: 35174975 PMCID: PMC8899920 DOI: 10.15252/emmm.202114552
Source DB: PubMed Journal: EMBO Mol Med ISSN: 1757-4676 Impact factor: 12.137