Tropism for tuft cells determines immune promotion of norovirus pathogenesis.
Tropism for tuft cells determines immune promotion of norovirus pathogenesis.
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DOI:
10.1126/science.aar3799
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发表时间:
2018-04-13
期刊:
影响因子:
--
通讯作者:
Virgin HW
中科院分区:
文献类型:
--
作者:
Wilen CB;Lee S;Hsieh LL;Orchard RC;Desai C;Hykes BL Jr;McAllaster MR;Balce DR;Feehley T;Brestoff JR;Hickey CA;Yokoyama CC;Wang YT;MacDuff DA;Kreamalmayer D;Howitt MR;Neil JA;Cadwell K;Allen PM;Handley SA;van Lookeren Campagne M;Baldridge MT;Virgin HW
Complex interactions between host immunity and the microbiome regulate norovirus infection. However, the mechanism of host immune promotion of enteric virus infection remains obscure. The cellular tropism of noroviruses is also unknown. Recently, we identified CD300lf as a murine norovirus (MNoV) receptor. Here we show that tuft cells, a rare type of intestinal epithelial cell, express CD300lf and are the target cell for MNoV in the mouse intestine. We found that type 2 cytokines, which induce tuft cell proliferation, promote MNoV infection in vivo. These cytokines can replace the effect of commensal microbiota in promoting virus infection. This is the first report of viral infection of tuft cells and provides insight into how the immune system and microbes can coordinately promote enteric viral infection.
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影响因子:
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通讯作者:
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影响因子:
30.3
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通讯作者:
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