Review
Version 1
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Immune and Non-immune Inflammatory Cells Involved in Autoimmune Fibrosis: New Discoveries
Version 1
: Received: 29 April 2023 / Approved: 30 April 2023 / Online: 30 April 2023 (02:59:41 CEST)
A peer-reviewed article of this Preprint also exists.
Sisto, M.; Lisi, S. Immune and Non-Immune Inflammatory Cells Involved in Autoimmune Fibrosis: New Discoveries. J. Clin. Med. 2023, 12, 3801. Sisto, M.; Lisi, S. Immune and Non-Immune Inflammatory Cells Involved in Autoimmune Fibrosis: New Discoveries. J. Clin. Med. 2023, 12, 3801.
Abstract
Fibrosis is an important health problem and its pathogenetic activation is still largely unknown. It can develop either spontaneously or, more frequently, as a consequence of various underlying diseases, such as chronic inflammatory autoimmune diseases. Fibrotic tissue is always characterized by mononuclear immune cells infiltration. The cytokine profile of these cells shows clear proinflammatory and profibrotic characteristics. Furthermore, the production of inflammatory mediators by non-immune cells, in response to several stimuli, can be involved in the fibrotic process. It is now established that defects in the abilities of non-immune cells to mediate immune regulation may be involved in the pathogenicity of a series of inflammatory diseases. The convergence of several, not yet well identified, factors results in the aberrant activation of non-immune cells, such as epithelial cells, endothelial cells and fibroblasts, that producing pro-inflammatory molecules, exacerbate the inflammatory condition leading to the excessive and chaotic secretion of extracellular matrix proteins. However, the precise cellular mechanisms involved in this process have not yet been fully elucidated. In this review we explore the latest discoveries on the mechanisms that initiate and perpetuate the vicious circle of abnormal communications between immune and non-immune cells, responsible for fibrotic evolution of inflammatory autoimmune diseases.
Keywords
autoimmunity; inflammation; fibrosis
Subject
Medicine and Pharmacology, Immunology and Allergy
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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