期刊
NATURE REVIEWS IMMUNOLOGY
卷 23, 期 3, 页码 174-188出版社
NATURE PORTFOLIO
DOI: 10.1038/s41577-022-00761-w
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This paper reviews the emerging field of mechanoimmunology, highlighting how mechanical cues at the tissue environment scale regulate immune cell function and immune response.
Immune responses are governed by signals from the tissue microenvironment, and in addition to biochemical signals, mechanical cues and forces arising from the tissue, its extracellular matrix and its constituent cells shape immune cell function. Indeed, changes in biophysical properties of tissue alter the mechanical signals experienced by cells in many disease conditions, in inflammatory states and in the context of ageing. These mechanical cues are converted into biochemical signals through the process of mechanotransduction, and multiple pathways of mechanotransduction have been identified in immune cells. Such pathways impact important cellular functions including cell activation, cytokine production, metabolism, proliferation and trafficking. Changes in tissue mechanics may also represent a new form of 'danger signal' that alerts the innate and adaptive immune systems to the possibility of injury or infection. Tissue mechanics can change temporally during an infection or inflammatory response, offering a novel layer of dynamic immune regulation. Here, we review the emerging field of mechanoimmunology, focusing on how mechanical cues at the scale of the tissue environment regulate immune cell behaviours to initiate, propagate and resolve the immune response. This Review considers how the biophysical properties of a tissue are able to shape immune cell function through the process of mechanotransduction. There are multiple mechanotransduction pathways that operate in immune cells and the authors highlight these and the emerging field of mechanoimmunology.
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