Cited by 25Genetic and Kidney Cyst DiseasesCystic Fibrosis Research AdvancesHereditary Neurological Disorders

The complexity of the cilium: spatiotemporal diversity of an ancient organelle

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Heydeck, Westley, Fievet, Lorraine, Davis, Erica E, Katsanis, Nicholas·2018·Current Opinion in Cell Biology

Abstract

Cilia are microtubule-based appendages present on almost all vertebrate cell types where they mediate a myriad of cellular processes critical for development and homeostasis. In humans, impaired ciliary function is associated with an ever-expanding repertoire of phenotypically-overlapping yet highly variable genetic disorders, the ciliopathies. Extensive work to elucidate the structure, function, and composition of the cilium is offering hints that the `static' representation of the cilium is a gross oversimplification of a highly dynamic organelle whose functions are choreographed dynamically across cell types, developmental, and homeostatic contexts. Understanding this diversity will require discerning ciliary versus non-ciliary roles for classically-defined `ciliary' proteins; defining ciliary protein-protein interaction networks within and beyond the cilium; and resolving the spatiotemporal diversity of ciliary structure and function. Here, focusing on one evolutionarily conserved ciliary module, the intraflagellar transport system, we explore these ideas and propose potential future studies that will improve our knowledge gaps of the oversimplified cilium and, by extension, inform the reasons that underscore the striking range of clinical pathologies associated with ciliary dysfunction.

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Crossref · 10.1016/j.ceb.2018.08.001

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  • The set of signalling components within the cilium is dynamic and closely coupled to the cell's differentiation state and microenvironment.

    “Emerging evidence indicates that the constellation of signalling components within the cilium is also dynamic and closely coupled to the differentiation state and microenvironment of the cell 3.”

    From Cellular signalling by primary cilia in development, organ function and disease (2019) · cites this paper as [3]

    The Concluding remarks describe the cilium as a dynamic organelle whose proteins interact in changing functional networks. “Unique spatiotemporal roles of ciliary proteins” links ciliation and Hedgehog signalling to differentiation and describes cilia restricted to particular extracellular-matrix zones. These passages do not establish that the specific set of signalling components within a cilium changes in close response to both differentiation state and microenvironment. (LLM, conf=0.82)

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Authors
Heydeck, W., Fievet, L., Davis, E. E., & Katsanis, N.
Affiliations
  • Duke Medical Center (US)
  • Centre National de la Recherche Scientifique (FR)
  • Duke University (US)
Corresponding author
Katsanis, Nicholas
Venue
Current Opinion in Cell Biology
Publisher
Elsevier BV
Published
2018-12
Volume
55
Pages
139-149
ISSN
0955-0674 (ISSN-L)
OpenAlex
W2888222789
Cited by
25
References
100
Citations by year
2025: 1 · 2024: 4 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 8 · 2019: 4 · 2018: 1
FWCI
0.52
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
Foundation for the National Institutes of Health (GM121317, HD042601, DK072301)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cystic Fibrosis Research Advances
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
Keywords
cilia, ciliopathies, intraflagellar transport, ciliary dysfunction
MeSH terms
Animals, Cilia, Humans, Time Factors, Organelles, Proteomics, Protein Interaction Maps

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