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Mast cells and virus
Vol 35, Issue 5, 2021
Abstract
Mast cells (MCs) are hematopoietic cells that reside ubiquitously in all vascularized tissues. They are potential sources of a wide variety of biologically active secreted compounds, including diverse cytokines, chemokines and growth factors. In addition, they participate in innate and adaptive immune responses. MCs are the most important cells in immediate reactions and chronic IgE-associated allergic disorders and enhance the host resistance to certain biological agents, including viruses. Therefore, MCs influence many biological responses to viruses and other microbiological agents. Viruses activate MCs through TLR4 leading to the generation of several pro-inflammatory cytokines, including those of the IL-1 family. Here, we report how viruses can activate MCs producing severe inflammation and how these interesting cells can activate the immune system by carrying out a protective action for our organism.
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Copyright (c) 2021 M. Trimarchi, D. Lauritano, G. Ronconi, Al. Caraffa, C.E. Gallenga, I. Frydas, S.K. Kritas, P. Conti
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Medical Genetics, University of Torino Medical School, Italy
Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy