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Microdissected tumor cuboids: a microscale cancer model for large-scale testing that retains a complex tumor microenvironment. | LitMetric

AI Article Synopsis

Article Abstract

To bridge the gap between bench and bedside, there is a need for more faithful models of human cancers that can recapitulate key features of the human tumor microenvironment (TME) and simultaneously facilitate large-scale drug tests. Our recently developed microdissection method optimizes the yield of large numbers of cuboidal microtissues (″cuboids″, ~(400 µm) ) from a tumor biopsy. Here we demonstrate that cuboids from syngeneic mouse tumor models and human tumors retain a complex TME, making them amenable for drug and immunotherapy evaluation. We characterize relevant TME parameters, such as cellular architecture, cytokine secretion, proteomics profiles, and response to drug panels in multi-well arrays. Despite the cutting procedure and the time spent in culture (up to 7 days), the cuboids display strong cytokine expression and drug responses, including to immunotherapy. Overall, our results suggest that cuboids could provide essential therapeutic information for personalized oncology applications and could help the development of TME-dependent therapeutics and cancer disease models, including for clinical trials.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10996559PMC
http://dx.doi.org/10.1101/2024.03.22.586189DOI Listing

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