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学術論文

IL-17B/RB Activation in Pancreatic Stellate Cells Promotes Pancreatic Cancer Metabolism and Growth

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MacVicar,  T.
Department Langer - Mitochondrial Proteostasis, Max Planck Institute for Biology of Ageing, Max Planck Society;

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https://pubmed.ncbi.nlm.nih.gov/34771503/
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引用

Li, J., Wu, X., Schiffmann, L., MacVicar, T., Zhou, C., Wang, Z., Li, D., Camacho, O. V., Heuchel, R., Odenthal, M., Hillmer, A., Quaas, A., Zhao, Y., Bruns, C. J., & Popp, F. C. (2021). IL-17B/RB Activation in Pancreatic Stellate Cells Promotes Pancreatic Cancer Metabolism and Growth. Cancers (Basel), 13(21). doi:10.3390/cancers13215338.


引用: https://hdl.handle.net/21.11116/0000-000A-FA89-2
要旨
In pancreatic ductal adenocarcinoma (PDAC), the tumor stroma constitutes most of the cell mass and contributes to therapy resistance and progression. Here we show a hitherto unknown metabolic cooperation between pancreatic stellate cells (PSCs) and tumor cells through Interleukin 17B/Interleukin 17B receptor (IL-17B/IL-17RB) signaling. Tumor-derived IL-17B carrying extracellular vesicles (EVs) activated stromal PSCs and induced the expression of IL-17RB. PSCs increased oxidative phosphorylation while reducing mitochondrial turnover. PSCs activated tumor cells in a feedback loop. Tumor cells subsequently increased oxidative phosphorylation and decreased glycolysis partially via IL-6. In vivo, IL-17RB overexpression in PSCs accelerated tumor growth in a co-injection xenograft mouse model. Our results demonstrate a tumor-to-stroma feedback loop increasing tumor metabolism to accelerate tumor growth under optimal nutritional conditions.