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

Olcese, Chiara, Patel, Mitali P., Shoemark, Amelia, Kiviluoto, Santeri, Legendre, Marie, Williams, Hywel J., Vaughan, Cara K., Hayward, Jane, Goldenberg, Alice, Emes, Richard D., Munye, Mustafa M., Dyer, Laura, Cahill, Thomas, Bevillard, Jeremy, Gehrig, Corinne, Guipponi, Michel, Chantot, Sandra, Duquesnoy, Philippe, Thomas, Lucie, Jeanson, Ludovic, Copin, Bruno, Tamalet, Aline, Thauvin-Robinet, Christel, Papon, Jean-Francois, Garin, Antoine, Pin, Isabelle, Vera, Gabriella, Aurora, Paul, Fassad, Mahmoud R., Jenkins, Lucy, Boustred, Christopher, Cullup, Thomas, Dixon, Mellisa, Onoufriadis, Alexandros, Bush, Andrew, Chung, Eddie M. K., Antonarakis, Stylianos E., Loebinger, Michael R., Wilson, Robert, Armengot, Miguel, Escudier, Estelle, Hogg, Claire, Amselem, Serge, Sun, Zhaoxia, Bartoloni, Lucia, Blouin, Jean-Louis and Mitchison, Hannah M. 2017. X-linked primary ciliary dyskinesia due to mutations in the cytoplasmic axonemal dynein assembly factor PIH1D3. Nature Communications 8 , 14279. 10.1038/ncomms14279

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Additional Information: UK10K Rare Group
Publisher: Nature Research
ISSN: 2041-1723
Date of First Compliant Deposit: 15 January 2020
Date of Acceptance: 15 December 2016
Last Modified: 04 Aug 2020 16:38

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