Table 5.

Frequency of Proliferating Cells After Exposing Neural Progenitors In Vivo to ¹³⁷Cs γ Rays.

In vivo: Total EdU+ cells
Treatment group	Total EdU+ cells
Nonirradiated control	10.33 ± 1.13%
Irradiated	7.90 % ± 1.02%

EdU = ethynyl deoxyuridine; SVZs = subventricular zones.

Mice were exposed to 0 or 8 Gy of γ rays. At 20 hr and 22 hr after irradiation, 100 mg/kg EdU was injected intraperitoneally. Two hours later, the animals were euthanized and the SVZs were dissected, prepared, and analyzed with multicolor flow cytometry for EdU. Data are averaged from four animals per group. Error bars indicate SEM.