TY - JOUR T1 - Cold Atmospheric Plasma Differentially Affects Cell Renewal and Differentiation of Stem Cells and Apc-Deficient-Derived Tumor Cells in Intestinal Organoids JF - bioRxiv DO - 10.1101/2021.10.13.464287 SP - 2021.10.13.464287 AU - Alia Hadefi AU - Morgane Leprovots AU - Max Thulliez AU - Orianne Bastin AU - Anne Lefort AU - Frédérick Libert AU - Antoine Nonclercq AU - Alain Delchambre AU - François Reniers AU - Jacques Devière AU - Marie-Isabelle Garcia Y1 - 2021/01/01 UR - http://biorxiv.org/content/early/2021/10/15/2021.10.13.464287.abstract N2 - Cold atmospheric plasma (CAP) treatment has been proposed as a potentially innovative therapeutic tool in the biomedical field, notably for cancer due to its proposed toxic selectivity on cancer cells versus healthy cells. In the present study, we addressed the relevance of three-dimensional organoid technology to investigate the biological effects of CAP on normal epithelial stem cells and tumor cells isolated from mouse small intestine. CAP treatment exerted dose-dependent cytotoxicity on normal organoids and induced major transcriptomic changes associated with global response to oxidative stress, fetal-like regeneration reprogramming and apoptosis-mediated cell death. Moreover, we explored the potential selectivity of CAP on tumor-like Apc-deficient versus normal organoids in the same genetic background. Unexpectedly, tumor organoids exhibited higher resistance to CAP treatment, correlating with higher antioxidant activity at baseline as compared to normal organoids. This pilot study suggests that the ex vivo culture system could be a relevant alternative model to further investigate translational medical applications of CAP technology.Competing Interest StatementThe authors have declared no competing interest. ER -