Chemokine-dependent T cell migration requires aquaporin-3-mediated hydrogen peroxide uptake.
Chemokine-dependent T cell migration requires aquaporin-3-mediated hydrogen peroxide uptake.
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DOI:
10.1084/jem.20112398
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发表时间:
2012-09-24
期刊:
影响因子:
--
通讯作者:
Miyachi Y
中科院分区:
文献类型:
--
作者:
Hara-Chikuma M;Chikuma S;Sugiyama Y;Kabashima K;Verkman AS;Inoue S;Miyachi Y
The water/glycerol channel aquaporin-3 is required for chemokine-dependent T cell migration during immune responses. Chemokine-dependent trafficking is indispensable for the effector function of antigen-experienced T cells during immune responses. In this study, we report that the water/glycerol channel aquaporin-3 (AQP3) is expressed on T cells and regulates their trafficking in cutaneous immune reactions. T cell migration toward chemokines is dependent on AQP3-mediated hydrogen peroxide (H2O2) uptake but not the canonical water/glycerol transport. AQP3-mediated H2O2 transport is essential for the activation of the Rho family GTPase Cdc42 and the subsequent actin dynamics. Coincidentally, AQP3-deficient mice are defective in the development of hapten-induced contact hypersensitivity, which is attributed to the impaired trafficking of antigen-primed T cells to the hapten-challenged skin. We therefore suggest that AQP3-mediated H2O2 uptake is required for chemokine-dependent T cell migration in sufficient immune response.
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影响因子:
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作者:
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影响因子:
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DOI:
10.1083/jcb.141.4.1053
发表时间:
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期刊:
The Journal of cell biology
影响因子:
--
作者:
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