Fig. 1

Representative images of fiber type-specific analyses of skeletal muscle satellite cell content. a) Myosin heavy chain (MyHC) isoforms stained as follows: MyHC-1 (red), MyHC-2A (green), MyHC-2X (unstained, black), b) co-occurrence of Pax7⁺ cell (red) with subsarcolemmal myonucleus (blue) and cell border line (green), c) merosin staining for cell borders (green), d) subarcolemmal myonuclei (blue), e) Pax7⁺ cell (red), f) co-occurrence of Pax7⁺ cell (red) with subsarcolemmal myonucleus (blue)