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. 2021 Dec 8;11(12):210110. doi: 10.1098/rsob.210110

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 2. — Fibro-adipogenic progenitors (FAPs) in regenerating skeletal muscle. (a) Immunofluorescence of Pax7 (red), PDGFRα (orange), laminin (green) and DAPI (nuclei, blue) on regenerating skeletal muscle section (14 days post-cardiotoxin injury). Muscle stem cell (Pax7+ cell in red; identified with white arrowhead) is visible in its niche under the basal membrane (laminin; green). FAP (PDGFRα+ cell in orange) is identified with a white arrow in the interstitial space. (b) Schematic of the location of muscle stem cell and FAP in skeletal muscle.