The Aβ42 : Aβ40 correlated with pThr514 CRMP2 immunoreactivity in the combined LBD (DLB + PDD) group (Fig. 2b), an observation which seemed to be driven predominantly by DLB (Fig. 2c) and not PDD (Fig. 2d). This evidence concerns the gene DPYSL2 and Lewy body dementia.