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. 2012 Jan 9;109(4):1317–1322. doi: 10.1073/pnas.1016199109

Fig. 1.

Fig. 1.

BTC stimulates neurosphere growth. (A) Adult mouse NSCs were grown in Transwell devices in the presence of ECs and were treated with 10 μg/mL anti-BTC blocking antibody or an isotype control. Neurosphere number is expressed as the average per well ± SE. (B and C) NSCs were stimulated as indicated with 20 ng/mL FGF, EGF, and/or BTC. Neurosphere number (B) and diameter (C) were determined after 10 d and expressed as the average ± SE. *P < 0.05; **P < 0.005; and ***P < 0.0005 vs. FGF or as indicated (one-way ANOVA plus Bonferroni posttest). (D) Primary neurospheres were generated in the presence of BTC (20 ng/mL) for 10 d, after which they were disgregated, seeded at the initial concentration, and grown with BTC to generate secondary neurospheres. 1ry, primary; 2ry, secondary. (E) NSCs were grown as in B in the presence of FGF (20 ng/mL) plus the indicated concentrations of EGF or BTC, and the diameter ± SE was quantified.