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Enlargement of Figure 2Af ( a) and Figure 3Ai ( b), showing that, either in normal adult muscle ( a), or at 4d post-injury during the healing process ( b), regenerating αCAA (green) positive myofibers with centrally located nuclei (blue) are detectable. Differentiated muscles express αSKA (red) with peripheral located nuclei (blue) in both situations.
