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Cited by 317

The DOI matches its Crossref record; 72 of the 72 references it cites were found in a registry or an index.

A Role for the Primary Cilium in Notch Signaling and Epidermal Differentiation during Skin Development

Open access
Ezratty, Ellen J., Stokes, Nicole, Chai, Sophia, Shah, Alok S., Williams, Scott E., Fuchs, Elaine·2011·Cell

Abstract

SUMMARY Ciliogenesis precedes lineage-determining signaling in skin development. To understand why, we performed shRNA-mediated knockdown of seven intraflagellar-transport-proteins (IFTs), and conditional ablation of Ift-88 and Kif3a during embryogenesis. Both in cultured keratinocytes and embryonic epidermis, all eliminated cilia, and many (not Kif3a) caused hyperproliferation. Surprisingly and independent of proliferation, ciliary-mutants displayed defects in Notch-signaling and in commitment of progenitors to differentiate. Notch-receptors and Notch-processing-enzymes colocalized specifically with cilia in wild-type epidermal cells. Moreover, differentiation defects in ciliary-mutants were cell-autonomous and rescued by activated Notch (NICD). By contrast, Shh-signaling was neither operative nor required for epidermal ciliogenesis, Notch-signaling or differentiation. Rather Shh-signaling defects in ciliary-mutants occurred later, arresting HF morphogenesis in the skin. These findings unveil temporally and spatially distinct functions for primary cilia at the nexus of signaling, proliferation and differentiation: a novel, early role in epidermis, whose morphogenesis relies upon Notch-signaling; and a later role in HFs, reliant upon Shh-signaling.

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Crossref · 10.1016/j.cell.2011.05.030

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Metadata

Authors
Ezratty, E. J., Stokes, N., Chai, S., Shah, A. S., Williams, S. E., & Fuchs, E.
Venue
Cell
Publisher
Elsevier BV
Published
2011-06
Volume
145
Issue
7
Pages
1129-1141
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2077182790
Cited by
317
References
72
FWCI
14.43
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A Role for the Primary Cilium in Notch Signaling and Epidermal Differentiation during Skin Development. https://app.cochat.ai/papers/10.1016/j.cell.2011.05.030
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Ezratty, E. J., Stokes, N., Chai, S., Shah, A. S., Williams, S. E., & Fuchs, E. (2011). A Role for the Primary Cilium in Notch Signaling and Epidermal Differentiation during Skin Development. Cell. https://doi.org/10.1016/j.cell.2011.05.030

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.