Research Article

Comparison of Adult Hippocampal Neurogenesis and Susceptibility to Treadmill Exercise in Nine Mouse Strains

Table 1

Summary of NSC proliferation, differentiation, and number of mature neurons across mouse strains, and efficacy of integration into mature neurons from proliferating NSCs and differentiating neuroblasts. ( per group); indicates a significant difference between the sedentary and exercise groups (), and indicates a significant difference between the sedentary and exercise groups (). Data are shown as mean ± SEM. NSC: neural stem cells.

StrainsCB7BL/6JA/JBALB/cC3H/HeJFVB129/SvJDBA/1DBA/2ICRTotal increase %
MeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSE

Ki-67SED20.00± 1.5811.60± 0.248.00± 0.329.80± 1.468.40± 0.9310.00± 0.898.00± 0.712.40± 0.519.00± 1.22
ProliferationEX32.20± 2.9718.20± 0.8612.40± 1.0316.40± 2.4813.00± 0.9518.60± 0.9312.60± 1.443.40± 0.9816.20± 0.86
Increase %161.00156.90155.00167.35154.76186.00157.50141.67ns180.00162.24
DCXSED122.80± 4.8673.60± 2.9147.20± 2.4073.40± 1.1260.00± 2.7779.20± 5.3445.40± 4.7931.00± 4.1871.60± 5.91
DifferentiationEX210.2± 4.89108.6± 2.9468.4± 3.4997.2± 7.4482.2± 6.26127.2± 2.4873.00± 1.1045.20± 4.3197.8± 3.62
Increase %171.17147.55144.92132.43137.00160.61160.79145.81136.59148.54
BrdU/NeuN +/+SED21.20± 1.818.00± 1.055.00± 0.556.40± 1.036.00± 0.557.80± 0.734.40± 1.252.20± 0.3712.40± 0.51
Maturation & survivalEX31.00± 2.1815.60± 1.6910.80± 1.5011.60± 1.219.00± 0.5512.80± 1.659.80± 0.584.00± 0.7718.20± 1.74
Increase %146.23195.00216.00181.25150.00164.10222.73181.82ns146.77160.39

CB7BL/6 JA/JBalb/cC3H/HeJFVB129/SvjDBA/1DBA/2ICR
MeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSEMeanSE

Efficacy of cell maturationSED-BrdU + NeuN/Ki67106.00± 16.6169.09± 9.1663.17± 7.7072.99± 18.1776.31± 11.4578.14± 3.5556.39± 16.57125.00± 46.10154.08± 32.4885.59
EX-BrdU + NeuN/Ki6796.27± 13.3985.32± 7.8791.78± 16.6375.12± 11.0270.51± 5.9169.09± 8.9780.87± 7.48136.43± 20.40113.38± 11.9688.56
EX/SED %90.82123.49145.28102.9392.4088.42143.41109.1473.59108.65
SED-BrdU + NeuN/DCX17.26± 1.3411.04± 1.6510.60± 0.988.70± 1.399.96± 0.709.79± 0.369.80± 2.847.80± 1.7117.70± 1.3110.79
EX-BrdU + NeuN/DCX14.75± 10.6414.34± 1.4816.10± 2.4712.16± 1.4011.12± 0.8210.06± 1.3214.63± 0.878.62± 0.8718.78± 2.1612.96
EX/SED %85.43129.95151.85*139.72111.63102.75149.40*110.52106.13121.57