Abstract:Cutis laxa syndromes are a heterogeneous group of multisystem disorders with prominent connective tissue features including loose redundant skin folds, a clinical hallmark shared among all subtypes. The skin laxity results from severe dermal elastic fibre fragmentation. The molecular defects underlying congenital forms of cutis laxa may affect any step in elastic fibre assembly, as illustrated by the identification of pathogenic variants in different extracellular matrix proteins, including elastin, latent tra… Show more
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