Scali C, Caraci F, Gianfriddo M, Diodato E, Roncarati R, Pollio G, Gaviraghi G, Copani A, Nicoletti F, Terstappen GC, Caricasole A. Inhibition of Wnt signaling, modulation of Tau phosphorylation and induction of neuronal cell death by DKK1. Neurobiol Dis. 2006 Nov;24(2):254–65. doi: 10.1016/j.nbd.2006.06.016. PMID: 16919965.