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. Author manuscript; available in PMC: 2013 Jun 15.
Published in final edited form as: J Neurosci Methods. 2012 Apr 10;207(2):137–147. doi: 10.1016/j.jneumeth.2012.04.003

Figure 4. Phases of spine formation, maintenance, and loss as defined by drebrin cluster density and fluorescence intensity.

Figure 4

(A) Representative images of quadruple-stained DIV10, 14, 18, 21, and 26 neurons (top) and dendrites (bottom) showing drebrin (green) and MAP2 (white) immunoreactivities. NR1 and GluR2 immunoreactivities are not shown. Scale bars are 10μm(top) and 5μm(bottom). (B) Density of drebrin clusters per 20μm dendrite segments from DIV10-26 neurons. Data are presented as ± 95% confidence interval; *p<0.05; n.s, no significance. (C) Percent cumulative frequency of drebrin cluster fluorescence intensities.