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Inflammation is the result of acute and chronic stresses, caused by emotional or physical trauma, or nutritional or environmental pollutants, and brings serious harm to human life and health. As an important cellular component of the innate immune barrier, the macrophage plays a key role in maintaining tissue homeostasis and promoting tissue repair by controlling infection and resolving inflammation. Several studies suggest that V Set and Ig domain-containing 4 is specifically expressed in tissue macrophages and is associated with a variety of inflammatory diseases. In this paper, we mainly summarize the recent research on V Set and Ig domain-containing 4 structures, functions, function and roles in acute and chronic inflammatory diseases, and provide a novel therapeutic avenue for the treatment of inflammatory diseases, including nervous system, urinary, respiratory and metabolic diseases. [ABSTRACT FROM AUTHOR]

Discrete tissue niches are emerging as essential prerequisites enabling cell communication and function in both homeostasis and disease. In a recent Cell paper, Di Pilato et al. identify a unique dendritic cell-cytotoxic T cell crosstalk within the perivascular space that facilitates T cell survival and proliferation and drives anti-tumor activity. [ABSTRACT FROM AUTHOR]

Abstract: In the past decade it has been established that regulatory T cells (Tregs) control all immune responses. As the induction and effector mechanisms used by Tregs are being unraveled, it is emerging that a reciprocal population of CD4+ T lymphocytes exists in the immune system that produces inflammatory cytokine IL-17, and coined "Th17 cells". Th17 cells have been implicated in the pathogenesis of many forms of human disease. The development, function, mechanism of action, and homeostasis of Tregs and Th17 cells, and the reciprocal control between Tregs and Th17 cells were presented at the Second International Conference on Regulatory T Cells and Th17 Cells and Clinical Application in Human Diseases in Shanghai on 17–20 July 2010 (China Tregs/Th17 2010). In this Special Issue of International Immunopharmacology, several paper submitted to the conference will highlight the biology of Tregs and Th17 cells, and their clinical application in human disease. [Copyright &y& Elsevier]

Abstract: Regulatory T cells (Tregs) are subsets of T cells that are specifically dedicated to controlling immune responses. It has been established that Tregs play a key role in regulating autoimmune disease, allergy, cancer, infectious disease, and in the induction of transplantation tolerance. The latest progress in the development, function, mechanism of action, and homeostasis of regulatory T cells, and their translation to the clinic were presented at the International Conference on Regulatory T Cells and Clinical Application in Human Diseases in Beijing on 25–27 October 2008 (China Tregs 2008). In this Special Issue of International Immunopharmacology, several papers submitted to the China Tregs 2008 will highlight some of the recent advances in the biology of regulatory T cells and current strategies to translate regulatory T cells into the clinic. [Copyright &y& Elsevier]