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. 2020 Jan 23;64(1):3079. doi: 10.4081/ejh.2020.3079

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©Copyright: the Author(s), 2020

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License (by-nc 4.0) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Figure 3. — Immunohistochemistry and semi-quantitative analysis for AGE, RAGE, p-ERK, MMP3 and TIMP1. In CTRL samples (A,D,G,L) all markers tested were mildly expressed in contrast to the CRSwNP samples (B,E,H,M), which showed a significant increase of immunopositivity. Regarding TIMP1, no quantitative differences were detected between the two groups (O,P). Data were confirmed by semi-quantitative analysis (C,F,I,N,Q). Original magnification 10×, scale bar: 100 µm.