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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/).
Immunohistochemical staining of CD31 (platelet endothelial cell adhesion molecule 1, PECAM-1. Diminished angiogenesis in regenerating bone of mice with diabetes was slightly reconstituted by inhibition of MMP activity. Values are depicted as ±SD. p-value: ** < 0.01. Scale bar: 50 μm.