Characterization of mutations leading to recessive dystrophic epidermolysis bullosa and Marfan syndrome in a single patient

R. Gardella, L. Nuytinck, S. Barlati, P. Van Acker, G. Tadini, A. De Paepe, M. Colombi

Research output: Contribution to journalArticle

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Abstract

Dystrophic epidermolysis bullosa (DEB) is a rare genetic skin disorder. In this report we have investigated an Italian child affected with recessive DEB (RDEB) and demonstrated that he was homozygous for the mutation R226X in the type VII collagen gene (COL7A1), leading to absence of type VII collagen at the dermal-epidermal junction. There was no family history of inherited skin blistering but the child's father was affected by Marfan syndrome, an autosomal dominant connective tissue disorder that results from mutations in the fibrillin-1 gene (FBN1). Analysis of this gene showed that the RDEB patient and his father were both heterozygous for a novel FBN1 mutation, C1971Y. This mutation affects one of the six obligate cysteine residues within one of the calcium-binding epidermal growth factor-like regions of the protein. At the age of 2-years the RDEB patient showed signs of early aortic dilatation, suggesting that he is likely to develop a Marfan syndrome phenotype in the future. This is a unique case of these two coexisting inherited disorders.

Original languageEnglish
Pages (from-to)710-713
Number of pages4
JournalClinical and Experimental Dermatology
Volume26
Issue number8
DOIs
Publication statusPublished - 2001

Fingerprint

Epidermolysis Bullosa Dystrophica
Marfan Syndrome
Collagen Type VII
Mutation
Fathers
Skin
Genes
Recessive Genes
Inborn Genetic Diseases
Connective Tissue
Cysteine
Dilatation
Carrier Proteins
Calcium
Phenotype
Fibrillin-1

ASJC Scopus subject areas

  • Dermatology

Cite this

Characterization of mutations leading to recessive dystrophic epidermolysis bullosa and Marfan syndrome in a single patient. / Gardella, R.; Nuytinck, L.; Barlati, S.; Van Acker, P.; Tadini, G.; De Paepe, A.; Colombi, M.

In: Clinical and Experimental Dermatology, Vol. 26, No. 8, 2001, p. 710-713.

Research output: Contribution to journalArticle

Gardella, R. ; Nuytinck, L. ; Barlati, S. ; Van Acker, P. ; Tadini, G. ; De Paepe, A. ; Colombi, M. / Characterization of mutations leading to recessive dystrophic epidermolysis bullosa and Marfan syndrome in a single patient. In: Clinical and Experimental Dermatology. 2001 ; Vol. 26, No. 8. pp. 710-713.
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