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Longitudinal immune characterization of syngeneic tumor models to enable model selection for immune oncology drug discovery.
Taylor, Molly A; Hughes, Adina M; Walton, Josephine; Coenen-Stass, Anna M L; Magiera, Lukasz; Mooney, Lorraine; Bell, Sigourney; Staniszewska, Anna D; Sandin, Linda C; Barry, Simon T; Watkins, Amanda; Carnevalli, Larissa S; Hardaker, Elizabeth L.
Afiliación
  • Taylor MA; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK. molly.taylor@astrazeneca.com.
  • Hughes AM; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Walton J; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Coenen-Stass AML; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Magiera L; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Mooney L; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Bell S; Present Address: Alderley Park Limited, Preclinical Services, Alderley Park, Macclesfield, SK10 4TG, UK.
  • Staniszewska AD; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Sandin LC; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Barry ST; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Watkins A; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Carnevalli LS; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
  • Hardaker EL; Oncology R&D, Research and Early Development, Bioscience, AstraZeneca, Francis Crick Ave, Cambridge, CB2 0SL, UK.
J Immunother Cancer ; 7(1): 328, 2019 11 28.
Article en En | MEDLINE | ID: mdl-31779705
BACKGROUND: The ability to modulate immune-inhibitory pathways using checkpoint blockade antibodies such as αPD-1, αPD-L1, and αCTLA-4 represents a significant breakthrough in cancer therapy in recent years. This has driven interest in identifying small-molecule-immunotherapy combinations to increase the proportion of responses. Murine syngeneic models, which have a functional immune system, represent an essential tool for pre-clinical evaluation of new immunotherapies. However, immune response varies widely between models and the translational relevance of each model is not fully understood, making selection of an appropriate pre-clinical model for drug target validation challenging. METHODS: Using flow cytometry, O-link protein analysis, RT-PCR, and RNAseq we have characterized kinetic changes in immune-cell populations over the course of tumor development in commonly used syngeneic models. RESULTS: This longitudinal profiling of syngeneic models enables pharmacodynamic time point selection within each model, dependent on the immune population of interest. Additionally, we have characterized the changes in immune populations in each of these models after treatment with the combination of α-PD-L1 and α-CTLA-4 antibodies, enabling benchmarking to known immune modulating treatments within each model. CONCLUSIONS: Taken together, this dataset will provide a framework for characterization and enable the selection of the optimal models for immunotherapy combinations and generate potential biomarkers for clinical evaluation in identifying responders and non-responders to immunotherapy combinations.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ensayos de Selección de Medicamentos Antitumorales / Descubrimiento de Drogas / Inmunomodulación / Antineoplásicos Inmunológicos Límite: Animals / Humans Idioma: En Revista: J Immunother Cancer Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ensayos de Selección de Medicamentos Antitumorales / Descubrimiento de Drogas / Inmunomodulación / Antineoplásicos Inmunológicos Límite: Animals / Humans Idioma: En Revista: J Immunother Cancer Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido