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- Zhengping Wei, Pingfei Li, Yao Yao, Hai Deng, Shengwu Yi, Cong Zhang, Han Wu, Xiuxiu Xie, Minghui Xia, Ran He, Xiang-Ping Yang, and Zhao-Hui Tang.
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
- Clin. Immunol. 2018 Jul 1; 192: 78-84.
AbstractIn sepsis, the liver plays a crucial role in regulating immune responses and is also a target organ for immune-related injury. Despite the critical function of CD8+ T cells against opportunistic viral infections, the CD8 immune response in the liver during sepsis remains elusive. Here we found that Tim-3 is highly up-regulated in liver CD8+ T cells in a mouse cecal ligation and puncture model and in peripheral blood CD8+ T cells of human patients with sepsis. The expression of Tim-3 in liver CD8+ T cells displayed a bi-phasic pattern and deletion of Tim-3 led to reduction of CD8+ T cell apoptosis. Administration of α-lactose, a molecule with a similar structure to galactin-9, reduced Tim-3 expression and liver injury in sepsis. Our results demonstrate that targeting Tim-3 to boost CD8+ T cell immune response may offer an improved outcome in patients with sepsis.Copyright © 2018 Elsevier Inc. All rights reserved.
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