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3R-Compliant Murine Ex Vivo Platform for Scalable Brain Cancer Modeling and Drug Screening

Wolfram, A.; Arnold, V.; Moskalchuk, A.; Romero Nieto, C.; Sevenich, L.

2025-03-07 cancer biology
10.1101/2025.03.03.641148 bioRxiv
Show abstract

Translating in vitro findings into in vivo applications remains a major challenge in brain cancer drug discovery, largely due to inadequate models for assessing neurotoxicity and tumor microenvironment (TME) dynamics. Here, we present a novel, highly modular murine ex vivo platform based on adult neural stem cells (aNSCs), designed for scalable, medium-throughput drug screening and mechanistic studies for brain cancer research. This system integrates progressive 2D and 3D models, including assembled models for tumor migration, cancer core models mimicking tumor localization within neural tissue and advanced cancer core models incorporating immune cells to recapitulate key TME interactions. With high reproducibility, defined cell composition and rapid formation within 72 hours, these assembloids provide a translationally relevant and ethical alternative to animal models. Aligned with 3R principles, this platform bridges the gap between in vitro and in vivo studies, offering a powerful tool for innovating brain cancer drug discovery.

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.