A recurrent 8 bp frameshifting indel in FOXF1 defines a novel mutation hotspot associated with alveolar capillary dysplasia with misalignment of pulmonary veins

Justyna A. Karolak, Albino Bacolla, Qian Liu, Patrick E. Lantz, John Petty, Pamela Trapane, Karin Panzer, Balagangadhar R. Totapally, Zhiyv Niu, Rui Xiao, Nina G. Xie, Lucia R. Wu, Przemyslaw Szafranski, David Y. Zhang, Paweł Stankiewicz

Research output: Contribution to journalArticle

Abstract

Alveolar capillary dysplasia with misalignment of pulmonary veins (ACDMPV) is a rare lethal lung developmental disease. Affected infants manifest with severe respiratory distress and refractory pulmonary hypertension and uniformly die in the first month of life. Heterozygous point mutations or copy-number variant deletions involving FOXF1 and/or its upstream lung-specific enhancer on 16q24.1 have been identified in the vast majority of ACDMPV patients. We have previously described two unrelated families with a de novo pathogenic frameshift variant c.691_698del (p.Ala231Argfs*61) in the exon 1 of FOXF1. Here, we present a third unrelated ACDMPV family with the same de novo variant and propose that a direct tandem repeat of eight consecutive nucleotides GCGGCGGC within the ~4 kb CpG island in FOXF1 exon 1 is a novel mutation hotspot causative for ACDMPV.

Original languageEnglish (US)
Pages (from-to)2272-2276
Number of pages5
JournalAmerican Journal of Medical Genetics, Part A
Volume179
Issue number11
DOIs
StatePublished - Nov 1 2019

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Persistent Fetal Circulation Syndrome
Mutation
Exons
CpG Islands
Tandem Repeat Sequences
Point Mutation
Pulmonary Hypertension
Lung Diseases
Nucleotides
Lung

Keywords

  • CpG island
  • FOXF1 haploinsufficiency
  • recurrent mutation
  • tandem repeats

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

A recurrent 8 bp frameshifting indel in FOXF1 defines a novel mutation hotspot associated with alveolar capillary dysplasia with misalignment of pulmonary veins. / Karolak, Justyna A.; Bacolla, Albino; Liu, Qian; Lantz, Patrick E.; Petty, John; Trapane, Pamela; Panzer, Karin; Totapally, Balagangadhar R.; Niu, Zhiyv; Xiao, Rui; Xie, Nina G.; Wu, Lucia R.; Szafranski, Przemyslaw; Zhang, David Y.; Stankiewicz, Paweł.

In: American Journal of Medical Genetics, Part A, Vol. 179, No. 11, 01.11.2019, p. 2272-2276.

Research output: Contribution to journalArticle

Karolak, JA, Bacolla, A, Liu, Q, Lantz, PE, Petty, J, Trapane, P, Panzer, K, Totapally, BR, Niu, Z, Xiao, R, Xie, NG, Wu, LR, Szafranski, P, Zhang, DY & Stankiewicz, P 2019, 'A recurrent 8 bp frameshifting indel in FOXF1 defines a novel mutation hotspot associated with alveolar capillary dysplasia with misalignment of pulmonary veins', American Journal of Medical Genetics, Part A, vol. 179, no. 11, pp. 2272-2276. https://doi.org/10.1002/ajmg.a.61338
Karolak, Justyna A. ; Bacolla, Albino ; Liu, Qian ; Lantz, Patrick E. ; Petty, John ; Trapane, Pamela ; Panzer, Karin ; Totapally, Balagangadhar R. ; Niu, Zhiyv ; Xiao, Rui ; Xie, Nina G. ; Wu, Lucia R. ; Szafranski, Przemyslaw ; Zhang, David Y. ; Stankiewicz, Paweł. / A recurrent 8 bp frameshifting indel in FOXF1 defines a novel mutation hotspot associated with alveolar capillary dysplasia with misalignment of pulmonary veins. In: American Journal of Medical Genetics, Part A. 2019 ; Vol. 179, No. 11. pp. 2272-2276.
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