Myo9b mutations are associated with altered dendritic cell functions and increased susceptibility to autoimmune diabetes onset
© 2023. Springer Nature Limited..
The regulation of autoimmunity against pancreatic islet β cells for type 1 diabetes (T1D) onset is still unclear. NOD/ShiLtJ (NOD) mice are prone to the onset of autoimmune diabetes, but its congenic strain, ALR/Lt (ALR), is not. Here we show that dendritic cells (DC) in ALR mice have impaired migratory and T-cell priming capability. Genomic comparative analysis maps a 33-bp deletion in the ALR Myosin IXb (Myo9b) gene when compared with NOD genome; meanwhile, data from knock-in models show that this ALR Myo9b allele impairs phenotypic and functional maturation of DCs, and prevents the development and progression of spontaneous autoimmune diabetes in NOD mice. In parallel, while the ALR 33-bp deletion of Myo9b is not conserved in human, we find a MYO9B R133Q polymorphism associating with increased risk of T1D and enhanced DC function in patients with T1D. Our results thus hint that alterations in Myo9b may contribute to altered DC function and autoimmune diabetes onset.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Nature communications - 14(2023), 1 vom: 25. Sept., Seite 5977 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Jing [VerfasserIn] |
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| Links: |
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| Themen: |
EC 3.6.4.1 |
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| Anmerkungen: |
Date Completed 29.09.2023 Date Revised 19.11.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41467-023-41534-w |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM362455171 |
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| 245 | 1 | 0 | |a Myo9b mutations are associated with altered dendritic cell functions and increased susceptibility to autoimmune diabetes onset |
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| 520 | |a The regulation of autoimmunity against pancreatic islet β cells for type 1 diabetes (T1D) onset is still unclear. NOD/ShiLtJ (NOD) mice are prone to the onset of autoimmune diabetes, but its congenic strain, ALR/Lt (ALR), is not. Here we show that dendritic cells (DC) in ALR mice have impaired migratory and T-cell priming capability. Genomic comparative analysis maps a 33-bp deletion in the ALR Myosin IXb (Myo9b) gene when compared with NOD genome; meanwhile, data from knock-in models show that this ALR Myo9b allele impairs phenotypic and functional maturation of DCs, and prevents the development and progression of spontaneous autoimmune diabetes in NOD mice. In parallel, while the ALR 33-bp deletion of Myo9b is not conserved in human, we find a MYO9B R133Q polymorphism associating with increased risk of T1D and enhanced DC function in patients with T1D. Our results thus hint that alterations in Myo9b may contribute to altered DC function and autoimmune diabetes onset | ||
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| 700 | 1 | |a Zou, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Longmin |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Qianqian |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Qing |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Xi |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Shu |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Shiwei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Weng, Jianping |e verfasserin |4 aut | |
| 700 | 1 | |a Eizirik, Décio L |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jinhua |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Zhiguang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Cong-Yi |e verfasserin |4 aut | |
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