Cited by 295Cell death mechanisms and regulationDermatology and Skin DiseasesNF-κB Signaling Pathways

The Adaptor Protein FADD Protects Epidermal Keratinocytes from Necroptosis In Vivo and Prevents Skin Inflammation

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Bonnet, Marion C., Preukschat, Daniela, Welz, Patrick-Simon, van Loo, Geert, Ermolaeva, Maria A., Bloch, Wilhelm, Haase, Ingo, Pasparakis, Manolis·2011·Immunity

Abstract

Epidermal keratinocytes provide an essential structural and immunological barrier forming the first line of defense against potentially pathogenic microorganisms. Mechanisms regulating barrier integrity and innate immune responses in the epidermis are important for the maintenance of skin immune homeostasis and the pathogenesis of inflammatory skin diseases. Here, we show that epidermal keratinocyte-restricted deficiency of the adaptor protein FADD (FADD(E-KO)) induced severe inflammatory skin lesions in mice. The development of skin inflammation in FADD(E-KO) mice was triggered by RIP kinase 3 (RIP3)-mediated programmed necrosis (termed necroptosis) of FADD-deficient keratinocytes, which was partly dependent on the deubiquitinating enzyme CYLD and tumor necrosis factor (TNF)-TNF receptor 1 signaling. Collectively, our findings provide an in vivo experimental paradigm that regulation of necroptosis in keratinocytes is important for the maintenance of immune homeostasis and the prevention of chronic inflammation in the skin.

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Crossref · 10.1016/j.immuni.2011.08.014

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Authors
Bonnet, M. C., Preukschat, D., Welz, P.-S., van Loo, G., Ermolaeva, M. A., Bloch, W., Haase, I., & Pasparakis, M.
Affiliations
  • University of Cologne (DE)
  • German Sport University Cologne (DE)
Corresponding author
Pasparakis, Manolis
Venue
Immunity
Publisher
Elsevier BV
Published
2011-10
Volume
35
Issue
4
Pages
572-582
ISSN
1074-7613 (ISSN-L)
OpenAlex
W2072540607
Cited by
295
References
45
Citations by year
2026: 7 · 2025: 14 · 2024: 8 · 2023: 14 · 2022: 14 · 2021: 20 · 2020: 9 · 2019: 11 · 2018: 20 · 2017: 24 · 2016: 29 · 2015: 30 · 2014: 42 · 2013: 32 · 2012: 16
FWCI
12.48
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • Kölner Universitäts PublikationsServer (Universität zu Köln) (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (acceptedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
FADD, necroptosis, epidermal keratinocytes, skin inflammation, RIPK3, CYLD, deubiquitination, skin barrier, inflammatory skin diseases, innate immunity
MeSH terms
Animals, Cells, Cultured, Dermatitis, Epidermis, Homeostasis, Necrosis, Signal Transduction, Keratinocytes, Apoptosis, Mice, Knockout, Mice, Fas-Associated Death Domain Protein, Myeloid Differentiation Factor 88

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