Deletion of 4q28.3-31.23 in the background of multiple malformations with pulmonary hypertension

Balazs Duga, Marta Czako, K. Komlósi, Kinga Hadzsiev, Katalin Torok, Katalin Sumegi, P. Kisfali, G. Kosztolányi, B. Melegh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The 4q deletion syndrome shows a broad spectrum of clinical manifestations consisting of key features comprising growth failure, developmental delay, craniofacial dysmorphism, digital anomalies, and cardiac and skeletal defects. We have identified a de novo interstitial distal deletion in a 9 month-old girl with growth failure, developmental delay, ventricular septum defect in the subaortic region, patent foramen ovale and patent ductus arteriosus, vascular malformation of the lung, dysgenesis of the corpus callosum and craniofacial dysmorphism using array-comparative genomic hybridization. This de novo deletion is located at 4q28.3-31.23 (136,127,048 - 150,690,325), its size is 14.56 Mb, and contains 8 relevant genes (PCDH18, SETD7, ELMOD2, IL15, GAB1, HHIP, SMAD1, NR3C2) with possible contributions to the phenotype. Among other functions, a role in lung morphogenesis and tubulogenesis can be attributed to the deleted genes in our patient, which may explain the unique feature of vascular malformation of the lung leading to pulmonary hypertension. With the detailed molecular characterization of our case with 4q- syndrome we hope to contribute to the elucidation of the genetic spectrum of this disorder.

Original languageEnglish
Article number36
JournalMolecular Cytogenetics
Volume7
Issue number1
DOIs
Publication statusPublished - Jun 5 2014

Fingerprint

Pulmonary Hypertension
Vascular Malformations
Genes
Interleukin-15
Lung
Defects
Agenesis of Corpus Callosum
Patent Foramen Ovale
Ventricular Septum
Inborn Genetic Diseases
Patent Ductus Arteriosus
Comparative Genomic Hybridization
Growth
Morphogenesis
Phenotype

Keywords

  • 4q28.3-31.23
  • Array CGH
  • Complex malformation syndrome
  • Deletion
  • Developmental delay
  • Face dysmorphia
  • Pulmonary hypertension
  • Vascular malformation of the lung

ASJC Scopus subject areas

  • Genetics
  • Molecular Biology
  • Genetics(clinical)
  • Biochemistry
  • Molecular Medicine
  • Biochemistry, medical

Cite this

Deletion of 4q28.3-31.23 in the background of multiple malformations with pulmonary hypertension. / Duga, Balazs; Czako, Marta; Komlósi, K.; Hadzsiev, Kinga; Torok, Katalin; Sumegi, Katalin; Kisfali, P.; Kosztolányi, G.; Melegh, B.

In: Molecular Cytogenetics, Vol. 7, No. 1, 36, 05.06.2014.

Research output: Contribution to journalArticle

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