Table 3.
Sex Chromosome Complement and Gonadal Sex Differences Revealed in FCG Wheel-Running Activity Rhythms After GDX
| GDX |
||||
|---|---|---|---|---|
| XYM n = 8 | XXM n = 8 | XYF n = 8 | XXF n = 8 | |
| LD | ||||
| Power (%V) | 24.8 ± 2.5 | 29.5 ± 3.1 | 36.6 ± 6.3a | 34.5 ± 4.1a |
| Activity amount (rev/h) | 84.3 ± 12.6 | 117.4 ± 24.7 | 166.9 ± 34.5a | 174.3 ± 47.7a |
| Activity in light (%) | 7.7 ± 0.8 | 8.0 ± 2.4 | 6.8 ± 3.8 | 5.6 ± 1.8 |
| α (min) | 712 ± 8 | 638 ± 40 | 640 ± 54 | 727 ± 29 |
| Precision (min) | −25.3 ± 5.8 | −29.4 ± 14.5 | −17.1 ± 5.7 | −86.4 ± 77.7 |
| Fragmentation (bouts/d) | 6.6 ± 0.4 | 15.1 ± 9.6 | 4.8 ± 0.8 | 20.4 ± 1.4 |
| Phase angle (min) | 2.1 ± 5.1 | 1.5 ± 2.0 | 2.6 ± 3.6 | 23.1 ± 21.9 |
| DD | ||||
| Period (h) | 23.8 ± 0.1 | 24.1 ± 0.1 | 23.9 ± 0.1 | 23.9 ± 0.1 |
| Power (%V) | 20.6 ± 2.1 | 18.8 ± 1.9 | 25.7 ± 3.4a | 24.6 ± 2.6a |
| Activity amount (rev/h) | 77.8 ± 16.7 | 79.7 ± 14.0 | 164.0 ± 27.3 | 147.0 ± 41.7 |
| α (min) | 695 ± 47 | 838 ± 36b | 696 ± 39 | 766 ± 14b |
| Precision (min) | −80.5 ± 23.9 | −52.8 ± 13.9 | −27.6 ± 4.2a | −25.3 ± 4.1a |
| Fragmentation (bouts/d) | 6.9 ± 0.8 | 8.2 ± 0.6 | 7.3 ± 0.5 | 7.634 ± 0.3 |
| LD-DD phase angle (min) | 16.2 ± 20.2 | 67.3 ± 61.0 | 73.6 ± 61.9 | 55.3 ± 62.0 |
| Phase shift (min) | −158 ± 17.2 | −117 ± 17.4 | −129 ± 8.9 | −135 ± 17.4 |
Sex chromosome complement and gonadal sex differences revealed in FCG running wheel activity rhythms after GDX. rev/hr refers to the number of wheel revolutions per hour.
a
Effect of gonadal sex P < .05.
b
Effect of sex chromosome P < .05, as determined by 2-way ANOVA, with further details reported in Supplemental Table 4.