Ubiquitin Specific Protease 1 Expression and Function in T Cell Immunity.
Ubiquitin Specific Protease 1 Expression and Function in T Cell Immunity.
复制标题
泛素特异性蛋白水解酶1在T细胞免疫中的表达和作用
DOI:
10.4049/jimmunol.2100303
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发表时间:
2021-09-01
期刊:
影响因子:
--
通讯作者:
Goldrath AW
中科院分区:
文献类型:
--
作者:
Omilusik KD;Nadjsombati MS;Yoshida TM;Shaw LA;Goulding J;Goldrath AW
T cells are essential mediators of immune responses against infectious diseases and provide long-lived protection from reinfection. The differentiation of naive to effector T cells and subsequent differentiation and persistence of memory T cell populations in response to infection is a highly regulated process. E protein transcription factors and their inhibitors, Id proteins, are important regulators of both CD4+ and CD8+ T cell responses; however, their regulation at the protein level has not been explored. Recently, the deubiquitinase USP1 was shown to stabilize Id2 and modulate cellular differentiation in osteosarcomas. Here, we investigated a role for Usp1 in posttranslational control of Id2 and Id3 in murine T cells. We show that Usp1 was upregulated in T cells following activation in vitro or following infection in vivo, and the extent of Usp1 expression correlated with the degree of T cell expansion. Usp1 directly interacted with Id2 and Id3 following T cell activation. However, Usp1-deficiency did not impact Id protein abundance in effector T cells or alter effector T cell expansion or differentiation following a primary infection. Usp1 deficiency resulted in a gradual loss of memory CD8+ T cells over time and reduced Id2 protein levels and proliferation of effector CD8+ T cell following reinfection. Together, these results identify Usp1 as a player in modulating recall responses at the protein level and highlight differences in regulation of T cell responses between primary and subsequent infection encounters. Finally, our observations reveal that differential regulation of Id2/3 proteins between immune vs non-immune cell types.
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DOI:
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发表时间:
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期刊:
The Journal of experimental medicine
影响因子:
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DOI:
10.1084/jem.20132681
发表时间:
2014-12-15
期刊:
The Journal of experimental medicine
影响因子:
--
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通讯作者:
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影响因子:
30.5
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