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Université de Fribourg

Treatment of keratinocytes with 4-phenylbutyrate in epidermolysis bullosa: Lessons for therapies in keratin disorders

Spörrer, Marina ; Prochnicki, Ania ; C.Tölle, Regine ; Nyström, Alexander ; Esser, Philipp R. ; Homberg, Melanie ; Athanasiou, Ioannis ; Zingkou, Eleni ; Schillinga, Achim ; Gerum, Richard ; Thievessen, Ingo ; Winter, Lilli ; Bruckner-Tuderman, Leena ; Fabry, Ben ; Magin, Thomas M. ; Dengjel, Jörn ; Schröder, Rolf ; Kiritsi, Dimitra

In: EBioMedicine, 2019, vol. 44, p. 502–515

Missense mutations in keratin 5 and 14 genes cause the severe skin fragility disorder epidermolysis bullosa simplex (EBS) by collapsing of the keratin cytoskeleton into cytoplasmic protein aggregates. Despite intense efforts, no molecular therapies are available, mostly due to the complex phenotype of EBS, comprising cell fragility, diminished adhesion, skin inflammation and itch.Methods: We...

Université de Fribourg

Constitutional absence of epithelial integrin α3 impacts the composition of the cellular microenvironment of ILNEB keratinocytes

He, Yinghong ; Thriene, Kerstin ; Boerries, Melanie ; Hausser, Ingrid ; Franzke, Claus-Werner ; Busch, Hauke ; Dengjel, Jörn ; Has, Cristina

In: Matrix Biology, 2018, vol. 74, p. 62-76

Integrin α3β1, a major epidermal adhesion receptor is critical for organization of the basement membrane during development and wound healing. Integrin α3 deficiency leads to interstitial lung disease, nephrotic syndrome and epidermolysis bullosa (ILNEB), an autosomal recessive multiorgan disease characterized by basement membrane abnormalities in skin, lung and kidney. The pathogenetic...