... at zero time (100%).Error bars are standard deviations for data from three separateexperiments. Asterisks indicate error bars representing mean ±one-half the range from two separate experiments. ... 240-min data are from a single experiment, and error bars represent range of duplicate determinations. Errorbars in 60-min curves represent mean ± one-half the range fromtwo independent experiments, ... and neuronal differentiation. Proc Natl Acad SciUSA 100, 928–933.3 Zaid A, Roubtsova A, Essalmani R, Marcinkiewicz J, Chamberland A, Hamelin J, Tremblay M, Jacques H,Jin W, Davignon J et al....