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Adult-Onset ANCA-Associated Vasculitis in SAVI: Extension of the Phenotypic Spectrum, Case Report and Review of the Literature.


ABSTRACT: STING-associated vasculopathy with onset in infancy (SAVI) is an autosomal dominant disorder due to gain-of-function mutations in STING1, also known as TMEM173, encoding for STING. It was reported as a vasculopathy of infancy. However, since its description a wider spectrum of associated manifestations and disease-onset has been observed. We report a kindred with a heterozygous STING mutation (p.V155M) in which the 19-year-old proband suffered from isolated adult-onset ANCA-associated vasculitis. His father suffered from childhood-onset pulmonary fibrosis and renal failure attributed to ANCA-associated vasculitis, and died at the age of 30 years due to respiratory failure. In addition, an overview of the phenotypic spectrum of SAVI is provided highlighting (a) a high phenotypic variability with in some cases isolated manifestations, (b) the potential of adult-onset disease, and (c) a novel manifestation with ANCA-associated vasculitis.

SUBMITTER: Staels F 

PROVIDER: S-EPMC7550674 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Adult-Onset ANCA-Associated Vasculitis in SAVI: Extension of the Phenotypic Spectrum, Case Report and Review of the Literature.

Staels Frederik F   Betrains Albrecht A   Doubel Peter P   Willemsen Mathijs M   Cleemput Vincent V   Vanderschueren Steven S   Corveleyn Anniek A   Meyts Isabelle I   Sprangers Ben B   Crow Yanick J YJ   Humblet-Baron Stephanie S   Liston Adrian A   Schrijvers Rik R  

Frontiers in immunology 20200929


STING-associated vasculopathy with onset in infancy (SAVI) is an autosomal dominant disorder due to gain-of-function mutations in <i>STING1</i>, also known as <i>TMEM173</i>, encoding for STING. It was reported as a vasculopathy of infancy. However, since its description a wider spectrum of associated manifestations and disease-onset has been observed. We report a kindred with a heterozygous STING mutation (p.V155M) in which the 19-year-old proband suffered from isolated adult-onset ANCA-associa  ...[more]

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