> Details

Schütz, Katharina; Schmidt, Axel; Schwerk, Nicolaus; Renz, Diane Miriam; Gerard, Benedicte; Schaefer, Elise; Antal, Maria Cristina; Peters, Sophia; Griese, Matthias; Rapp, Christina K.; Engels, Hartmut; Cremer, Kirsten; Bergmann, Anke Katharina; Schmidt, Gunnar; Auber, Bernd; Kamp, Jan C.; Laenger, Florian; von Hardenberg, Sandra

Variants in FGF10 cause early onset of severe childhood interstitial lung disease: A detailed description of four affected children

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  • Media type: E-Article
  • Title: Variants in FGF10 cause early onset of severe childhood interstitial lung disease: A detailed description of four affected children
  • Contributor: Schütz, Katharina; Schmidt, Axel; Schwerk, Nicolaus; Renz, Diane Miriam; Gerard, Benedicte; Schaefer, Elise; Antal, Maria Cristina; Peters, Sophia; Griese, Matthias; Rapp, Christina K.; Engels, Hartmut; Cremer, Kirsten; Bergmann, Anke Katharina; Schmidt, Gunnar; Auber, Bernd; Kamp, Jan C.; Laenger, Florian; von Hardenberg, Sandra
  • imprint: Wiley, 2023
  • Published in: Pediatric Pulmonology
  • Language: English
  • DOI: 10.1002/ppul.26627
  • ISSN: 8755-6863; 1099-0496
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title><jats:sec><jats:title>Introduction</jats:title><jats:p>Fibroblast growth factor 10 (FGF10) is a signaling molecule with a well‐established role for lung branching morphogenesis. Rare heterozygous, deleterious variants in the <jats:italic>FGF10</jats:italic> gene are known causes of the lacrimo‐auriculo‐dento‐digital (LADD) syndrome and aplasia of lacrimal and salivary glands. Previous studies indicate that pathogenic variants in <jats:italic>FGF10</jats:italic> can cause childhood Interstitial Lung Disease (chILD) due to severe diffuse developmental disorders of the lung, but detailed reports on clinical presentation and follow‐up of affected children are lacking.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>We describe four children with postnatal onset of chILD and heterozygous variants in <jats:italic>FGF10</jats:italic>, each detected by exome or whole genome sequencing.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>All children presented with postnatal respiratory failure. Two children died within the first 2 days of life, one patient died at age of 12 years due to right heart failure related to severe pulmonary hypertension (PH) and one patient is alive at age of 6 years, but still symptomatic. Histopathological analysis of lung biopsies from the two children with early postpartum demise revealed diffuse developmental disorder representing acinar dysplasia and interstitial fibrosis. Sequential biopsies of the child with survival until the age of 12 years revealed alveolar simplification and progressive interstitial fibrosis.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>Our report extends the phenotype of <jats:italic>FGF10</jats:italic>‐related disorders to early onset chILD with progressive interstitial lung fibrosis and PH. Therefore, <jats:italic>FGF10‐</jats:italic>related disorder should be considered even without previously described syndromic stigmata in children with postnatal respiratory distress, not only when leading to death in the neonatal period but also in case of persistent respiratory complaints and PH.</jats:p></jats:sec>