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mRNA expression of L-type calcium channel (CaV) and ryanodine receptor (RyR) isoforms in muscles of young (8 month) and old (26 month) F344 rats.
| Calcium channel mRNA expression (fold β-actin) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Branchial Arch - Mastication | Somitic - Mastication | Somitic - Locomotion | ||||||||
| M | PD | GH | SG | BB | ||||||
| Y | O | Y | O | Y | O | Y | O | Y | O | |
| CaV1.1 | 0.7±0.2 | 1.3±1.1 | 1.8±1.4 | 1.5±0.6 | 2.3±1.4 | 2.3±1.3 | 1.5±1.0 | 1.4±0.4 | 2.2±1.0 | 1.2±0.6 |
| RyR-1 | 1.6±1.3 | 1.1±1.3 | 1.1±0.7 | 1.0±0.7 | 1.3±1.0 | 1.3±1.2 | 0.9±0.9 | 1.2±1.3 | 1.0±0.6 | 0.9±1.1 |
