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. 2021 Aug 8;13(16):2637. doi: 10.3390/polym13162637

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© 2021 by the authors.

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/).

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Confocal microscopy examination of ePTFE vascular prostheses 6 months postimplantation. (A) CD31 (a marker of endothelial cells, green colour) and α-SMA (a marker of VSMCs, red colour) staining; (B) von Willebrand staining (a marker of endothelial cells and a component of the subendothelial ECM, green colour); (C) Type IV collagen (an ECM protein constituting the basement membrane, green colour) and type I collagen (an ECM protein characteristic of the adventitia, red colour) staining; (D) Type III collagen staining (an ECM protein constituting the basement membrane and tunica media, green colour). DAPI counterstaining (nuclei, blue colour). White line demarcates the graft (gr) from thrombotic masses (in). Representative images, ×200 magnification.