Wildman, S. S. P., Boone, M., Peppiatt-Wildman, C. M., Contreras-Sanz, A., King, B. F., Shirley, D. G., Deen, P. M. T., & Unwin, R. J. Nucleotides Downregulate Aquaporin 2 via Activation of Apical P2 Receptors