Epidermal ADAM17 maintains the skin barrier by regulating EGFR ligand- dependent terminal keratinocyte differentiation

Claus Werner Franzke, Cristina Cobzaru, Antigoni Triantafyllopoulou, Stefanie Löffek, Keisuke Horiuchi, David W. Threadgill, Thomas Kurz, Nico van Rooijen, Leena Bruckner-Tuderman, Carl P. Blobel

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

ADAM17 (a disintegrin and metalloproteinase 17) is ubiquitously expressed and cleaves membrane proteins, such as epidermal growth factor receptor (EGFR) ligands, l-selectin, and TNF, from the cell surface, thus regulating responses to tissue injury and inflammation. However, little is currently known about its role in skin homeostasis. We show that mice lacking ADAM17 in keratinocytes (A17 ΔKC) have a normal epidermal barrier and skin architecture at birth but develop pronounced defects in epidermal barrier integrity soon after birth and develop chronic dermatitis as adults. The dysregulated expression of epidermal differentiation proteins becomes evident 2 d after birth, followed by reduced transglutaminase (TGM) activity, transepidermal water loss, up-regulation of the proinflammatory cytokine IL-36α, and inflammatory immune cell infiltration. Activation of the EGFR was strongly reduced in A17 ΔKC skin, and topical treatment of A17 ΔKC mice with recombinant TGF-α significantly improved TGM activity and decreased skin inflammation. Finally, we show that mice lacking the EGFR in keratinocytes (Egfr ΔKC) closely resembled A17 ΔKC mice. Collectively, these results identify a previously unappreciated critical role of the ADAM17-EGFR signaling axis in maintaining the homeostasis of the postnatal epidermal barrier and suggest that this pathway could represent a good target for treatment of epidermal barrier defects.

Original languageEnglish
Pages (from-to)1105-1119
Number of pages15
JournalJournal of Experimental Medicine
Volume209
Issue number6
DOIs
Publication statusPublished - 2012 Jun 4

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Disintegrins
Metalloproteases
Keratinocytes
Epidermal Growth Factor Receptor
Ligands
Skin
Transglutaminases
Parturition
Homeostasis
Inflammation
Selectins
Dermatitis
Membrane Proteins
Up-Regulation
Cytokines
Water
Wounds and Injuries
ADAM17 Protein
Proteins

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Franzke, C. W., Cobzaru, C., Triantafyllopoulou, A., Löffek, S., Horiuchi, K., Threadgill, D. W., ... Blobel, C. P. (2012). Epidermal ADAM17 maintains the skin barrier by regulating EGFR ligand- dependent terminal keratinocyte differentiation. Journal of Experimental Medicine, 209(6), 1105-1119. https://doi.org/10.1084/jem.20112258

Epidermal ADAM17 maintains the skin barrier by regulating EGFR ligand- dependent terminal keratinocyte differentiation. / Franzke, Claus Werner; Cobzaru, Cristina; Triantafyllopoulou, Antigoni; Löffek, Stefanie; Horiuchi, Keisuke; Threadgill, David W.; Kurz, Thomas; van Rooijen, Nico; Bruckner-Tuderman, Leena; Blobel, Carl P.

In: Journal of Experimental Medicine, Vol. 209, No. 6, 04.06.2012, p. 1105-1119.

Research output: Contribution to journalArticle

Franzke, CW, Cobzaru, C, Triantafyllopoulou, A, Löffek, S, Horiuchi, K, Threadgill, DW, Kurz, T, van Rooijen, N, Bruckner-Tuderman, L & Blobel, CP 2012, 'Epidermal ADAM17 maintains the skin barrier by regulating EGFR ligand- dependent terminal keratinocyte differentiation', Journal of Experimental Medicine, vol. 209, no. 6, pp. 1105-1119. https://doi.org/10.1084/jem.20112258
Franzke, Claus Werner ; Cobzaru, Cristina ; Triantafyllopoulou, Antigoni ; Löffek, Stefanie ; Horiuchi, Keisuke ; Threadgill, David W. ; Kurz, Thomas ; van Rooijen, Nico ; Bruckner-Tuderman, Leena ; Blobel, Carl P. / Epidermal ADAM17 maintains the skin barrier by regulating EGFR ligand- dependent terminal keratinocyte differentiation. In: Journal of Experimental Medicine. 2012 ; Vol. 209, No. 6. pp. 1105-1119.
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