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Fig. 1 | Skeletal Muscle

Fig. 1

From: Failed reinnervation in aging skeletal muscle

Fig. 1

Muscle fiber type and type grouping. a Transverse muscle sections from rat vastus lateralis (VL) and mouse soleus muscle. Young adult (YA) vs very old (VO) rat VL muscle and wild-type (WT) vs Sarco mouse soleus were labeled with laminin to visualize the basal lamina and antibodies against the myosin heavy chains to visualize fiber types. Scale bars = 100 μm. Type I (blue), type IIa (red), type IIx (green), type IIb (black [no staining]) were labeled. b Fiber type proportions in YA vs VO rat and WT vs Sarco mouse. c Fiber type grouping in YA vs VO rat and WT vs Sarco mouse. In b and c, the data shown are means with standard error

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