ArticleNPJ breast cancer2025
Development and validation of a functional ex vivo paclitaxel and eribulin sensitivity assay for breast cancer, the REMIT assay.
Article in NPJ breast cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A Pan-Cancer Ex Vivo Drug Screen Atlas for Functional Precision Oncology.bioRxiv : the preprint server for biology · 2026Article
- Ex Vivo Traceability Platform for Phospholipoproteomic Formulations: Functional Evidence Without Clinical Exposure.Biomedicines · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
Breast cancer is the most common cancer amongst women worldwide, however clinically validated chemotherapy response biomarkers that can accurately predict treatment response in patients are largely lacking. Therefore, in this study, functional paclitaxel and eribulin ex vivo sensitivity assays were developed. Patient derived xenograft (PDX) models were used to compare the ex vivo predicted treatment outcome with the sensitivity of mice in vivo. We validated the previously developed sensitivity assay for paclitaxel, which is based on the ratio between replicating (EdU) and mitotic (phospho-Histone H3; pH3) cells as a proxy for blocked mitosis. The assay showed 90% correlation between the ex vivo and in vivo response to paclitaxel treatment in the PDX models. We propose the term REMIT (REplication MITosis) assay and show that it is also a suitable test to predict eribulin sensitivity. The reproducibility of the REMIT assay for paclitaxel and eribulin was determined to be 80% and 83%, respectively. These results justify further clinical validation of the REMIT assay in breast cancer patients.
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