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. 2014 May 20;8:39. doi: 10.3389/fnana.2014.00039

Figure 2.

Figure 2

(A) Mole-rats have strikingly lower granule cell numbers than other African rodents [data taken from Cavegn et al. (2013)]. Also, granule cell numbers in mole-rats do not increase with body weight. Highveld mole-rats with intermediate body weight have more granule cells than the heaviest animals, the Cape mole-rats. (B) GLM plot of estimated marginal means of the percentage of young neurons relative to granule cells is high in the social highveld mole-rat and eusocial naked mole-rat, whereas values in solitary Cape mole-rat are low. The covariate age (mean tentative age of 26 months) was used in this model. (C) Scatterplot of estimated numbers of proliferating cells (Ki67) and young neurons (DCX or PSA-NCAM) in the mole-rats.