Genome-scale in vivo CRISPR screen identifies RNLS as a target for beta cell protection in type 1 diabetes.
Genome-scale in vivo CRISPR screen identifies RNLS as a target for beta cell protection in type 1 diabetes.
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DOI:
10.1038/s42255-020-0254-1
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发表时间:
2020-09
影响因子:
20.8
通讯作者:
Yi P
中科院分区:
文献类型:
--
作者:
Cai EP;Ishikawa Y;Zhang W;Leite NC;Li J;Hou S;Kiaf B;Hollister-Lock J;Yilmaz NK;Schiffer CA;Melton DA;Kissler S;Yi P
Type 1 diabetes (T1D) is caused by the autoimmune destruction of pancreatic beta cells. Pluripotent stem cells can now be differentiated into beta cells, raising the prospect of a cell replacement therapy for T1D. However, autoimmunity would rapidly destroy newly transplanted beta cells. Using a genome-scale CRISPR screen in a mouse model for T1D, here we show that deleting RNLS, a GWAS candidate gene for T1D, made beta cells resistant to autoimmune killing. Structure-based modeling identified the FDA-approved drug pargyline as a potential RNLS inhibitor. Oral pargyline treatment protected transplanted beta cells in diabetic mice, leading to disease reversal. Further, pargyline could prevent or delay diabetes onset in several mouse models for T1D. Our results identify RNLS as a modifier of beta cell vulnerability and as a potential therapeutic target to avert beta cell loss in T1D.
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Howson JM;Cooper JD;Smyth DJ;Walker NM;Stevens H;She JX;Eisenbarth GS;Rewers M;Todd JA;Akolkar B;Concannon P;Erlich HA;Julier C;Morahan G;Nerup J;Nierras C;Pociot F;Rich SS;Type 1 Diabetes Genetics Consortium
通讯作者:
Type 1 Diabetes Genetics Consortium
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5.6
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通讯作者:
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158.5
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通讯作者:
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