Representative Western blot of aspartate aminotransferase (GOT2), medium-chain specific acyl-CoA dehydrogenase (ACADM), alpha-2-HS glycoprotein (AHSG), ATP synthase subunit alpha (ATP5A1), carbonic anhydrase 3 (CA3), and transgelin (TAGLN), between mature (pink) and old (blue) women. Results are indicated as mean ± standard deviation. Significance: *: p value < 0.05 and ***: p value < 0.001.