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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/).
Schematic representation of TLR2/KLK5/LL37 pathway. The red arrows in the figure signify a positive feedback loop, which contributes to the chronicity of the disease. The figure was created with BioRender.com (accessed on 28 June 2023).