WNT activates the AAK1 kinase to promote clathrin-mediated endocytosis of LRP6 and establish a negative feedback loop by Agajanian, M, Walker, M, Axtman, A, Ruela-De-Sousa, R, Serafin, D, Rabinowitz, A, Graham, D, Ryan, M, Tamir, T, Nakamichi, Y, Gammons, M, Bennett, J, Couñago, R, Drewry, D, Elkins, J, Gileadi, C, Gileadi, O, Godoi, P, Kapadia, N, Müller, S, Santiago, A, Sorrell, F, Wells, C, Fedorov, O, Willson, T, Zuercher, W, Major, M