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Fig. 6. Apoptosis and muscle regeneration. Notexin-treated mouse muscle was labelled with a set of antibodies at different times after injury. (A) Example of apoptotic (red) and desmin + myogenic cells (green) at 3, 6 and 24 hours post-injury. MP infiltration was evaluated after F4/80 immunolabelling (blue curve) or CD11b immunolabelling (red curve) according to a 0-5 scale and the total number of apoptotic cells per field (black curve) was estimated. Among total apoptotic cells (white bars), apoptotic desmin-positive myogenic cells (black bars) was estimated at each time point. (B) Examples of immunolabellings of myogenic (desmin+) and macrophagic (CD11b+) cells for the anti-apoptotic molecular systems 3 days after injury. Blue: DAPI nuclei staining. Bars, 10 µm.