Figure 6. SIRT1 overexpression in skeletal muscle of WT and mdx mice induces the expression of neuromuscular junction genes and utrophin.
(A) Western blot in tissue protein homogenates prepared from gastrocnemius muscles of mdx and mdx mice crossed to Tg-4140 (mdx;TG) (B) Body weight, gastrocnemius muscle weight (of both hindlimbs) and muscle/body weight ratio of WT, Tg-4140, mdx, and mdx;Tg-4140 mice at 10–14 weeks of age (n = 5–10). (C–J) Relative mRNA levels of PGC-1α, utrophin, acetylcholine receptor (AchR) subunits α, δ, ε, and Musk, Erbb1, and Raspn in gastrocnemius muscle of WT, Tg-4140, mdx, and mdx;Tg-4140 mice (n = 3–5). Data are expressed as mean +/− s.e.m. *p<0.05, ** p<0.01, ***p<0.001 by two-tailed unpaired Student's t test.