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  • Title: Next-generation sequencing and a novel COL3A1 mutation associated with vascular Ehlers-Danlos syndrome with severe intestinal involvement: a case report.
    Author: Cortini F, Marinelli B, Seia M, De Giorgio B, Pesatori AC, Montano N, Bassotti A.
    Journal: J Med Case Rep; 2016 Oct 31; 10(1):303. PubMed ID: 27799058.
    Abstract:
    BACKGROUND: The vascular type of Ehlers-Danlos syndrome is an autosomal dominant connective tissue disorder caused by a mutation in the COL3A1 gene encoding pro-alpha1 chain of type III collagen. The vascular type of Ehlers-Danlos syndrome causes severe fragility of connective tissues with arterial and intestinal ruptures and complications in surgical and radiological treatments. CASE PRESENTATION: We present a case of a 38-year-old Italian woman who was diagnosed as having the vascular type of Ehlers-Danlos syndrome. Genetic testing, conducted by Target Enrichment approach (Agilent Technologies), identified a new mutation c.1493G>A, p.G498D in exon 21 of COL3A1 gene (heterozygous state). This mutation disrupts the normal glycine-X-Y repetitions of type III procollagen by converting glycine to aspartic acid. CONCLUSIONS: We report a new genetic mutation associated with the vascular type of Ehlers-Danlos syndrome. We also describe clinical and genetic findings that are important to understand the genotype/phenotype correlation in patients with the vascular type of Ehlers-Danlos syndrome.
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