Figure 3.The protein level of CMA markers in young and old skeletal and cardiac muscle. (A-B) Immunoblot and densitometric analysis of LAMP-2A and Hsc70 proteins in young and old skeletal muscle (A) and heart (B). Values are means±SEM for 6 young and 5 old mice in each group. *P < 0.05. **P < 0.01.
