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Table 2 Growth characteristics of neural progenitors from the subventricular zone and olfactory bulb. Growth characteristics are compared between 26 consecutive passages of neural progenitor cells isolated from the subventricular zone and the olfactory bulb. No significant differences can be seen between the two populations.

From: Protein expression differs between neural progenitor cells from the adult rat brain subventricular zone and olfactory bulb

Parameter Subventricular zone Olfactory bulb P-Value
Number of passages analyzed 26 26  
Average time for passage (d) 16.8 ± 5.0 16.5 ± 5.1 0.843
Number of cells at start of passage (thousands) 250.5 ± 354.9 271.8 ± 355.8 0.830
Number of cells at end of passage (thousands) 11,325.2 ± 8,776.0 13,242.3 ± 10,666.3 0.484
Population doublings 5.5 ± 1.4 5.5 ± 1.4 0.909
Frequency of population doublings 0.4 ± 0.1 0.4 ± 0.2 0.820
Doubling time (d) 2.8 ± 9.5 2.7 ± 6.5 0.483