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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Aging Cell. 2008 Sep 5;7(6):836–849. doi: 10.1111/j.1474-9726.2008.00430.x

FIG 3.

FIG 3

Protein expression of BDNF and TrkB in young adult and reproductive senescent astrocyte cell lysates. BDNF protein expression was determined by ELISA and TrkB expression was determined by immunoblotting. TrkB expression was normalized to α-tubulin. BDNF expression (a) increased with age while expression of TrkB (b) decreased with age in astrocyte cell lysates. Bars represent mean ± SEM of a single representative experiment with n=4-8 for each treatment group. Main effect of age was statistically significant at p<0.05 and is indicated by (*).