Signed, sealed, undelivered: Polycystic kidney disease develops when the message to generate cilia is 'lost in the mail'

In an article published online ahead of print on Feb. 19, 2015 in the Journal of Biological Chemistry (JBC), investigators at the Medical University of South Carolina (MUSC) and the Ralph H. Johnson VA Medical Center report findings from in vitro and in vivo studies that elucidate the mechanisms underlying the impaired ciliogenesis and abnormal kidney development characteristic of polycystic kidney disease (PKD). Depletion of dynamin-binding protein or Tuba, a guanine nucleotide exchange factor,