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| Item Type: | Article |
|---|---|
| Title: | A transcriptional atlas of gut-innervating neurons reveals activation of interferon signaling and ferroptosis during intestinal inflammation |
| Creators Name: | Forster, P.M., Jakob, M.O., Yusuf, D., Bubeck, M., Limberger, H., Luo, Y., Thieme, P., Polici, A., Sterczyk, N., Boulekou, S., Bartel, L., Cosovanu, C., Witkowski, M., González-Acera, M., Kühl, A.A., Weidinger, C., Backofen, R., Hegazy, A.N., Patankar, J.V. and Klose, C.S.N. |
| Abstract: | Enteric infections often cause long-term sequelae, including persistent gastrointestinal symptoms, such as pain, discomfort, or irritable bowel syndrome. The plethora of sensory symptoms indicates that gutinnervating neurons might be directly affected by inflammation. However, sequencing studies of neurons in the gastrointestinal tract are hampered by difficulties in purifying neurons, especially during inflammation. Activating a nuclear GFP tag selectively in neurons enabled sort purification of intrinsic and extrinsic neurons of the gastrointestinal tract in models of intestinal inflammation. Using bulk and single-nucleus RNA sequencing, we mapped the whole transcriptomic landscape and identified a conserved neuronal response to inflammation, which included the interferon signaling and ferroptosis pathway. Deletion of the interferon receptor 1 in neurons regulated ferroptosis, neuronal loss, and consequently gut-transit time. Collectively, this study offers a resource documenting neuronal adaptation to inflammatory conditions and exposes the interferon and ferroptosis pathways as signaling cascades activated in neurons during inflammation. |
| Keywords: | Neuro-Immune Interactions, Enteric Nervous System, Extrinsic Innervation of the Intestine, Intestinal Inflammation, Ferroptosis, Interferons, Lipid Peroxidation, Intestinal Motility, Inflammatory Bowel Disease, Animals, Mice |
| Source: | Neuron |
| ISSN: | 0896-6273 |
| Publisher: | Cell Press |
| Volume: | 113 |
| Number: | 9 |
| Page Range: | 1333-1351 |
| Date: | 7 May 2025 |
| Additional Information: | Leif S.-H. Ludwig and Ashley Sanders are members of TRR241 IBDome Consortium. |
| Official Publication: | https://doi.org/10.1016/j.neuron.2025.02.018 |
| PubMed: | View item in PubMed |
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