X-linked primary ciliary dyskinesia due to mutations in the cytoplasmic axonemal dynein assembly factor PIH1D3

Chiara Olcese, Mitali P. Patel, Amelia Shoemark, Santeri Kiviluoto, Marie Legendre, Hywel J. Williams, Cara K. Vaughan, Jane Hayward, Alice Goldenberg, Richard D. Emes, Mustafa M. Munye, Laura Dyer, Thomas Cahill, Jeremy Bevillard, Corinne Gehrig, Michel Guipponi, Sandra Chantot, Philippe Duquesnoy, Lucie Thomas, Ludovic JeansonBruno Copin, Aline Tamalet, Christel Thauvin-Robinet, Jean Francois Papon, Antoine Garin, Isabelle Pin, Gabriella Vera, Paul Aurora, Mahmoud R. Fassad, Lucy Jenkins, Christopher Boustred, Thomas Cullup, Mellisa Dixon, Alexandros Onoufriadis, Andrew Bush, Eddie M.K. Chung, Stylianos E. Antonarakis, Michael R. Loebinger, Robert Wilson, Miguel Armengot, Estelle Escudier, Claire Hogg, Serge Amselem, Zhaoxia Sun, Lucia Bartoloni, Jean Louis Blouin, Hannah M. Mitchison

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64 Citations (Scopus)
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Abstract

By moving essential body fluids and molecules, motile cilia and flagella govern respiratory mucociliary clearance, laterality determination and the transport of gametes and cerebrospinal fluid. Primary ciliary dyskinesia (PCD) is an autosomal recessive disorder frequently caused by non-assembly of dynein arm motors into cilia and flagella axonemes. Before their import into cilia and flagella, multi-subunit axonemal dynein arms are thought to be stabilized and pre-assembled in the cytoplasm through a DNAAF2-DNAAF4-HSP90 complex akin to the HSP90 co-chaperone R2TP complex. Here, we demonstrate that large genomic deletions as well as point mutations involving PIH1D3 are responsible for an X-linked form of PCD causing disruption of early axonemal dynein assembly. We propose that PIH1D3, a protein that emerges as a new player of the cytoplasmic pre-assembly pathway, is part of a complementary conserved R2TP-like HSP90 co-chaperone complex, the loss of which affects assembly of a subset of inner arm dyneins.

Original languageEnglish
Article number14279
JournalNature Communications
Volume8
DOIs
Publication statusPublished - 8 Feb 2017

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