Table 1.
Mean ± SEM | One-way ANOVA using Tukey’s multiple comparisons test | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WT | dKO | sKO | WT vs dKO | WT vs sKO | dKO vs sKO | |||||||||
n = 19 (13 M) | n = 9 (5 M) | n = 10 (8 M) | Mean diff. | 95% CI of diff. | Adjusted P Value | Mean diff. | 95% CI of diff. | Adjusted P Value | Mean diff. | 95% CI of diff. | Adjusted P Value | |||
Age (m) | 18.94 ± 0.40 | 18.2 ± 0.37 | 20.15 ± 0.64 | 0.67 | −1.01 to 2.36 | 0.60 | −1.21 | −2.84 to 0.42 | 0.18 | −1.89 | −3.80 to 0.03 | 0.05 | ||
Weight (g) | 40.61 ± 1.51 | 37.86 ± 1.48 | 38.16 ± 1.49 | 2.75 | −2.91 to 8.41 | 0.47 | 2.46 | −3.01 to 7.92 | 0.52 | −0.29 | −6.72 to 6.13 | 0.99 | ||
SN Stereology | TH + neurons | 6211.58 ± 354.59 | 6265.11 ± 343.33 | 6736.70 ± 170.81 | −53.53 | −1284.88 to 1178.82 | 0.99 | −525.10 | −1713.96 to 663.72 | 0.53 | −471.60 | −1869.74 to 926.57 | 0.69 | |
Nissl + neurons | 8619.95 ± 489.30 | 9253.89 ± 536.60 | 9852.1 ± 476.46 | −633.94 | −2490.71 to 1222.83 | 0.69 | −1232.15 | −3024.82 to 560.52 | 0.23 | −598.21 | −2706.51 to 1510.09 | 0.77 | ||
Open field | Distance travelled (m) | 100.04 ± 6.27 | 95.83 ± 5.66 | 94.32 ± 6.02 | 3.04 | −19.85 to 25.92 | 0.94 | 4.63 | −17.46 to 26.71 | 0.87 | 1.59 | −24.61 to 27.79 | 0.99 | |
Perimeter time (sec) | 1607.20 ± 68.59 | 1686.72 ± 38.63 | 1493.79 ± 69.15 | −79.46 | −324.72 to 165.77 | 0.71 | 113.40 | −123.35 to 350.18 | 0.48 | 192.90 | −85.58 to 471.33 | 0.22 | ||
Rotarod | Latency to fall (sec) | 123.58 ± 8.66 | 121.58 ± 9.54 | 139.52 ± 11.14 | 1.99 | −32.87 to 36.85 | 0.99 | −15.94 | −49.60 to 17.72 | 0.49 | −17.93 | −57.52 to 21.65 | 0.52 | |
Grip Strength | Peak tension (gf) | 115.29 ± 5.76 | 125.56 ± 4.24 | 109.86 ± 7.73 | −10.26 | −32.72 to 12.20 | 0.51 | 5.44 | −16.25 to 27.12 | 0.81 | 15.70 | −9.81 to 41.20 | 0.30 | |
Odour | Time to find food (sec) | 117.58 ± 18.82 | 107.22 ± 13.63 | 130.5 ± 27.17 | 10.36 | −64.68 to 85.39 | 0.94 | −12.92 | −85.37 to 59.53 | 0.90 | −23.28 | −108.48 to 61.92 | 0.78 | |
Gut motility | Food (g/day) | 10.66 ± 0.48 | 9.70 ± 1.30 | 10.38 ± 0.66 | 0.96 | −1.62 to 3.54 | 0.64 | 0.34 | −2.15 to 2.83 | 0.94 | −0.62 | −3.55 to 2.31 | 0.86 | |
Faecal pellets (no./day) | 124.89 ± 4.38 | 113.44 ± 7.91 | 122.60 ± 3.82 | 11.45 | −7.18 to 30.08 | 0.30 | 2.30 | −15.69 to 20.28 | 0.95 | −9.16 | −30.31 to 12.00 | 0.55 | ||
Beam walking test | 30 mm | Time to transverse (sec) | 3.46 ± 0.25 | 3.71 ± 0.36 | 3.30 ± 0.21 | −0.26 | −1.24 to 0.72 | 0.80 | 0.16 | −0.79 to 1.10 | 0.92 | 0.41 | −0.70 to 1.52 | 0.64 |
slips | 0.63 ± 0.19 | 0.88 ± 0.41 | 0.20 ± 0.13 | −0.26 | −1.13 to 0.61 | 0.75 | 0.43 | −0.41 to 1.27 | 0.43 | 0.69 | −0.30 to 1.68 | 0.22 | ||
18 mm | Time to transverse (sec) | 3.40 ± 0.21 | 3.44 ± 0.28 | 3.18 ± 0.28 | −0.04 | −0.93 to 0.85 | 0.99 | 0.22 | −0.64 to 1.08 | 0.80 | 0.26 | −0.75 to 1.27 | 0.81 | |
slips | 1.13 ± 0.23 | 1.39 ± 0.63 | 0.90 ± 0.35 | −0.26 | −1.53 to 1.01 | 0.87 | 0.23 | −1.00 to 1.45 | 0.89 | 0.49 | −1.00 to 1.93 | 0.69 | ||
12 mm | Time to transverse (sec) | 6.00 ± 0.60 | 5.34 ± 1.06 | 4.19 ± 0.49 | 0.66 | −1.86 to 3.18 | 0.80 | 1.82 | −0.61 to 4.25 | 0.17 | 1.16 | −1.70 to 4.02 | 0.59 | |
slips | 2.95 ± 0.55 | 3.11 ± 2.00 | 2.45 ± 1.25 | −0.16 | −4.02 to 3.70 | 0.99 | 0.50 | −3.23 to 4.22 | 0.94 | 0.66 | −3.72 to 5.04 | 0.93 | ||
Gait analysis | Forelimb stride length (mm) | Left | 6.90 ± 0.21 | 7.56 ± 0.14 | 7.39 ± 0.19 | −0.67 | −1.41 to 0.07 | 0.08 | −0.50 | −1.21 to 0.21 | 0.21 | 0.17 | −0.67 to 1.01 | 0.88 |
Right | 6.85 ± 0.21 | 7.59 ± 0.14 | 7.45 ± 0.15 | −0.73 | −1.44 to −0.02 | 0.04 | −0.61 | −1.30 to 0.07 | 0.09 | 0.12 | −0.68 to 0.92 | 0.93 | ||
Hindlimb stride length (cm) | Left | 6.83 ± 0.20 | 7.50 ± 0.14 | 7.23 ± 0.23 | −0.67 | −1.43 to 0.08 | 0.09 | −0.40 | −1.13 to 0.32 | 0.37 | 0.27 | −0.59 to 1.13 | 0.72 | |
Right | 6.83 ± 0.21 | 7.52 ± 0.17 | 7.28 ± 0.19 | −0.69 | −1.45 to 0.07 | 0.08 | −0.44 | −1.17 to 0.30 | 0.32 | 0.25 | −0.61 to 1.12 | 0.76 | ||
Sway length (cm) | Forelimb | 1.49 ± 0.04 | 1.43 ± 0.06 | 1.42 ± 0.05 | 0.08 | −0.10 to 0.25 | 0.53 | 0.07 | −0.10 to 0.24 | 0.58 | −0.01 | −0.21 to 0.19 | 1.00 | |
Hindlimb | 3.03 ± 0.05 | 3.03 ± 0.09 | 2.86 ± 0.08 | −0.01 | −0.27 to 0.24 | 0.99 | 0.16 | −0.08 to 0.41 | 0.25 | 0.17 | −0.11 to 0.46 | 0.31 | ||
Paw overlap (cm) | Left | 1.35 ± 0.09 | 1.03 ± 0.12 | 1.05 ± 0.09 | 0.33 | −0.03 to 0.67 | 0.07 | 0.31 | −0.03 to 0.65 | 0.08 | −0.02 | −0.42 to 0.38 | 0.99 | |
Right | 1.50 ± 0.10 | 1.34 ± 0.11 | 1.07 ± 0.11 | 0.14 | −0.26 to 0.55 | 0.66 | 0.43 | 0.04 to 0.82 | 0.03 | 0.29 | −0.17 to 0.74 | 0.29 |