Table 2: Gene expression ratios.

GeneTissueExpression ratio (AU) value
C57L/J (high-active)C3H/HeJ (low-active)

Wheel exposedActn2 sol 0.55
Casq1 sol 0.0003*
Glut4 sol 0.2
Lepr sol 0.85
Mstn sol 0.002*
Actn2 NA 0.13
Casq1 NA 0.64
Glut4 NA 0.58
Lepr NA 0.72
Mstn NA 0.37

NaïveActn2 sol 0.58
Actn3 sol 0.58
Casq1 sol 0.4
Glut4 sol 0.22
Lepr sol 0.82
Mstn sol 0.27
Drd2 NA 0.06
Lepr NA 0.18
Mc4r NA 0.08
Papss2 NA 0.4

Gene expression ratio was calculated from Pfaffl [36]. Values are described as mean ± SD; “sol” indicates soleus; “NA” nucleus accumbens. *Indicates differential expression of gene between strains.