Table 3.

Cardiac mRNA expressed as a fraction of the low-salt STC group

Mass	STC	STC + S	FAT	FAT + S	FRU	FRU + S	SUC	SUC + S
MHCα	1.00 ± 0.05	0.53 ± 0.09*	0.95 ± 0.04	0.54 ± 0.07*	0.88 ± 0.05	0.30 ± 0.05*	0.72 ± 0.09§	0.27 ± 0.08*
MHCβ	1.00 ± 0.22	1.43 ± 0.15	0.76 ± 0.12	1.42 ± 0.12*	0.80 ± 0.18	1.74 ± 0.21*	0.95 ± 0.15	1.97 ± 0.24*
Citrate synthase	1.00 ± 0.05	0.96 ± 0.08	1.09 ± 0.03	0.95 ± 0.07	0.99 ± 0.07	0.70 ± 0.05*	0.79 ± 0.13†	0.79 ± 0.07
PPARα	1.00 ± 0.02	0.74 ± 0.05*	0.92 ± 0.03	0.87 ± 0.04	0.95 ± 0.05	0.66 ± 0.03*,‡	0.85 ± 0.05§	0.76 ± 0.06
Carnitine palmitoyl transferase-1β	1.00 ± 0.07	0.84 ± 0.04	1.00 ± 0.03	1.00 ± 0.06	0.86 ± 0.06	0.73 ± 0.06	0.77 ± 0.06	0.75 ± 0.08
Uncoupling protein 3	1.00 ± 0.10†	0.68 ± 0.12‡	2.01 ± 0.20	1.31 ± 0.16*	0.95 ± 0.10†	0.43 ± 0.08*,‡	0.84 ± 0.18†	0.29 ± 0.06*,‡
Pyruvate dehydrogenase kinase 4	1.00 ± 0.17†	1.38 ± 0.20	2.37 ± 0.34	1.63 ± 0.28*	0.85 ± 0.14†	0.85 ± 0.17	1.03 ± 0.15†	0.66 ± 0.15
Medium chain acyl-CoA dehydrogenase	1.00 ± 0.03	0.69 ± 0.05*,‡	1.16 ± 0.06	0.97 ± 0.05	0.99 ± 0.07	0.65 ± 0.09*,‡	0.82 ± 0.08†	0.56 ± 0.12*,‡

Values are means ± SEM. FAT, fat; FRU, fructose; MHC, myosin heavy chain; PPARα, peroxosome proliferator activated receptor-α; S, salt; STC, starch; SUC, sucrose. Samples were standardized to cyclophilin A mRNA.

^*P <0.05 vs. same diet with low salt.

^†P <0.05 vs. FAT.

^‡P <0.05 vs. FAT + S.

^§P <0.05 vs. STC.