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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...