Table 1.

The number of proliferating cells in the dentate gyrus of adult tree shrews at different survival times after BrdU injection, as well as after psychosocial stress or MK-801 treatment

Number of BrdU-labeled cells in the dentate gyrus/mm2
Time course experimentStress experimentMK-801 experiment
2 hr24 hrControlSubordinateControlMK-801
7.9  ± 1.522.7  ± 1.3*6.8  ± 1.3*1.6  ± 0.3*11.8  ± 2.119.8  ± 1.7*
  • Values represent mean ± SEM each obtained from three tree shrews. Asterisks represent significant difference from 2 hr (time course experiment) or control (stress or MK-801 experiment);p < 0.05, unpaired Student’s t tests.