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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Macrophage training and tolerance. Training of macrophages (black line) is a higher and quicker secondary response upon subsequent stimulation. However, macrophage tolerance (red line) is the attenuated gene expression in response to secondary stimulation. Created with BioRender.com.