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- W3096617683 abstract "Caspase malfunction in stem cells often precedes the appearance and progression of multiple types of cancer, including human colorectal cancer. However, the caspase-dependent regulation of intestinal stem cell properties remains poorly understood. Here, we demonstrate that Dronc, the Drosophila ortholog of caspase-9/2 in mammals, limits the number of intestinal progenitor cells and their entry into the enterocyte differentiation programme. Strikingly, these unexpected roles for Dronc are non-apoptotic and have been uncovered under experimental conditions without epithelial replenishment. Supporting the non-apoptotic nature of these functions, we show that they require the enzymatic activity of Dronc, but are largely independent of the apoptotic pathway. Alternatively, our genetic and functional data suggest that they are linked to the caspase-mediated regulation of Notch signalling. Our findings provide novel insights into the non-apoptotic, caspase-dependent modulation of stem cell properties that could improve our understanding of the origin of intestinal malignancies." @default.
- W3096617683 created "2020-11-09" @default.
- W3096617683 creator A5050826630 @default.
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- W3096617683 creator A5070121657 @default.
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- W3096617683 creator A5084497431 @default.
- W3096617683 date "2020-11-01" @default.
- W3096617683 modified "2023-10-10" @default.
- W3096617683 title "Non‐apoptotic caspase activation preserves <i>Drosophila</i> intestinal progenitor cells in quiescence" @default.
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- W3096617683 doi "https://doi.org/10.15252/embr.201948892" @default.
- W3096617683 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7726796" @default.
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