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. 2019 Dec 31;8:e50503. doi: 10.7554/eLife.50503

Figure 3. Increased dendritic branches in LII/LIII pyramidal neurons of ΔNp73cre/+;Baxlox/lox mutants.

(A) Representative examples of LII/III pyramidal neurons filled with biocytin in control (P25) and ΔNp73cre/+;Baxlox/lox mutant (P24) somatosensory cortex. (B) Quantification of the number of dentritic branches in control and ΔNp73cre/+;Baxlox/lox mutant LII/III pyramidal neurons, expressed as a percentage of dendritic branches relative to the mean of controls (n = 7 for controls and n = 8 for mutants at P23-28 p=0.0182 for apical dendrites and p=0.014 for basal dendrites; Mann-Whitney U Test). (C) Sholl analysis for the apical and basal dendrites in control and ΔNp73cre/+;Baxlox/lox mutants showing an increased cell complexity between 180 and 240 µm (p-value=0.04, 0.027, 0.0007 and 0.005, respectively) and 60 and 80 µm (p value=0.027 and 0.019, respectively) from the soma, respectively (n = 7 for controls and n = 8 for mutants). Multiple T-test. Scale bar represents 100 μm. Data used for quantitative analyses as well as the numerical data that are represented in graphs are available in Figure 3—figure supplement 1—source data 1.

Figure 3.

Figure 3—figure supplement 1. Morphological reconstruction of LII/LIII pyramidal neurons in ΔNp73cre/+;R26Kir2.1/+ mutants.

Figure 3—figure supplement 1.

(A) Representative examples of somatosensory cortex LII/III pyramidal neurons filled with biocytin in control (P24) and ΔNp73cre/+;R26Kir2.1/+ (P27) mice. (B) Quantification of number of dendritic branches of LII/III pyramidal neurons in controls and ΔNp73cre/+;R26Kir2.1/+ mice, expressed as a percentage relative to the mean of controls (apical dendrites n = 7 for controls and n = 9 for mutants at P23-P29, p=0.550; basal dendrites n = 7 for controls and n = 8 for mutants at P23-P29, p=0.199; Mann-Whitney U Test). (C) Sholl analysis for the apical and basal dendrites in control and ΔNp73cre/+;R26Kir2.1/+ mutant mice showing no significant change in cell complexity with respect to the distance from the soma, (apical dendrites n = 7 for controls and n = 9 for mutants; basal dendrites n = 7 for controls and n = 8 for mutants). Multiple T-test. Scale bar represents 100 μm. Data used for quantitative analyses as well as the numerical data that are represented in graphs are available in Figure 3—figure supplement 1—source data 1.
Figure 3—figure supplement 1—source data 1. Morphological analyses of layer II/III pyramidal cells in the Bax and Kir2.1 models.