PPARG and Alzheimer disease: Activation of the PPARγ axis improves hippocampal-related memory in some humans, with early AD and mouse models for AD-like amyloidosis (Escribano et al. 2010; Hoefer et al. 2008; Hort et al. 2007; Jahrling et al. 2014; Pedersen et al. 2006; Risner et al. 2006; Rodriguez-Rivera et al. 2011; Watson et al. 2005).