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. 2022 Jan 21;14(2):251. doi: 10.3390/pharmaceutics14020251

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© 2022 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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Photomicrographs of wound at day 14: Hematoxylin-eosin histological sections of excisional wound site obtained from a diabetic wound: (a,b) images from different mice treated with Plg-loaded fibrin scaffolds show epithelialization (green arrow), mild angiogenesis (white arrow), hair follicle (red arrow), mature connective tissue (yellow arrow); (c,d) images from different mice treated with Plg-unloaded fibrin scaffold show newly formed capillaries (white arrow) in granulation tissue and epithelialization (green arrow); OM 100× (scale bare = 100 µm).