Table 3.
Effect of stimulation treatment on the isoform composition of hyoglossus and styloglossus muscles
| HG MyHC I | HG MyHC IIa* | HG MyHC IIx* | HG MyHC IIb* | ||
|---|---|---|---|---|---|
| Young Adult | Control | 0.72 (0.51) | 24.01 (1.48) | 41.24 (1.56) | 34.03 (2.15) |
| 10 Hz | 0.93 (0.70) | 23.89 (2.00) | 43.88 (2.11) | 31.30 (2.92) | |
| 100Hz | 0.37 (0.64) | 28.29 (1.85) | 46.29 (1.95) | 25.05 (2.70) | |
| Middle Aged | Control | 1.50 (0.49) | 22.34 (1.41) | 43.45 (1.49) | 32.71 (2.06) |
| 10 Hz | 0.77 (0.70) | 25.16 (2.00) | 43.51 (2.11) | 30.56 2.92) | |
| 100Hz | 1.11 (0.64) | 30.88 (1.85) | 49.00 (1.95) | 19.01 (2.70) | |
| Old | Control | 0.45 (0.47) | 26.15 (1.36) | 44.38 (1.43) | 29.02 (1.98) |
| 10 Hz | 1.96 (0.64) | 30.02 (1.85) | 45.19 (1.95) | 22.84 (2.70) | |
| 100Hz | 0.52 (0.60) | 31.51 (1.73) | 48.75 (1.82) | 19.21 (2.53) |
| SG MyHC I* | SG MyHC IIa* | SG MyHC IIx* | SG MyHC IIb* | ||
|---|---|---|---|---|---|
| Young Adult | Control | 0.24 (0.40) | 28.69 (1.37) | 47.44 (1.64) | 23.63 (2.10) |
| 10 Hz | 1.10 (0.54) | 28.70 (1.86) | 44.44 (2.22) | 25.75 (2.84) | |
| 100Hz | 1.76 (0.46) | 33.92 (1.61) | 46.55 (1.93) | 17.77 (2.46) | |
| Middle Aged | Control | 0.13 (0.38) | 29.11 (1.31) | 47.25 (1.57) | 23.51 (2.01) |
| 10 Hz | 2.45 (0.54) | 33.20 (1.86) | 40.50 (2.22) | 23.84 (2.84) | |
| 100Hz | 2.59 (0.50) | 39.32 (1.72) | 43.62 (2.06) | 14.46 (2.63) | |
| Old | Control | 1.05 (0.36) | 33.17 (1.26) | 48.29 (1.51) | 17.50 (1.93) |
| 10 Hz | 2.72 (0.50) | 36.55 (1.72) | 42.33 (2.06) | 18.40 (2.63) | |
| 100Hz | 1.68 (0.46) | 36.55 (1.61) | 45.00 (1.93) | 16.77 (2.46) |
HG = hyoglossus; SG = styloglossus. Data are expressed as mean % isoform (standard error).
*
p<.05 = significant differences among treatment groups.