Exome sequencing reveals novel IRXI mutation in congenital heart disease

  • Authors:
    • Changlong Guo
    • Qidi Wang
    • Yuting Wang
    • Liping Yang
    • Haiyan Luo
    • Xiao Fang Cao
    • Lisha An
    • Yue Qiu
    • Meng Du
    • Xu Ma
    • Hui Li
    • Cailing Lu
  • View Affiliations

  • Published online on: March 30, 2017     https://doi.org/10.3892/mmr.2017.6410
  • Pages: 3193-3197
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Abstract

Genetic variation in specific transcription factors during heart formation may lead to congenital heart disease (CHD) or even miscarriage. The aim of the present study was to identify CHD‑associated genes using next generation sequencing (NGS). The whole exome DNA sequence was obtained from a stillborn fetus diagnosed with tricuspid atresia and complete transposition of the great arteries using high‑throughput sequencing methods. Subsequently, genetic variants of CHD‑associated genes were selected and verified in 215 non‑syndromic CHD patients and 249 healthy control subjects using polymerase chain reaction combined with Sanger sequencing. Genetic variants of previously reported CHD‑inducing genes, such as cysteine rich with EGF like domains 1 and cbp/p300‑interacting transactivator with Glu/Asp rich carboxy‑terminal domain 2, were discovered through the NGS analysis. In addition, a novel non‑synonymous mutation of the iroquois homeobox 1 (IRX1) gene (p.Gln240Glu) was identified. A total of three non‑synonymous mutations (p.Gln240Glu, p.Ser298Asn and p.Ala381Glu) of the IRX1 gene were verified in 215 non‑syndromic CHD patients, but not in 249 healthy volunteers. The results demonstrated that NGS is a powerful tool to study the etiology of CHD. In addition, the results suggest that genetic variants of the IRX1 gene may contribute to the pathogenesis of CHD.
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May-2017
Volume 15 Issue 5

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Spandidos Publications style
Guo C, Wang Q, Wang Y, Yang L, Luo H, Cao XF, An L, Qiu Y, Du M, Ma X, Ma X, et al: Exome sequencing reveals novel IRXI mutation in congenital heart disease. Mol Med Rep 15: 3193-3197, 2017
APA
Guo, C., Wang, Q., Wang, Y., Yang, L., Luo, H., Cao, X.F. ... Lu, C. (2017). Exome sequencing reveals novel IRXI mutation in congenital heart disease. Molecular Medicine Reports, 15, 3193-3197. https://doi.org/10.3892/mmr.2017.6410
MLA
Guo, C., Wang, Q., Wang, Y., Yang, L., Luo, H., Cao, X. F., An, L., Qiu, Y., Du, M., Ma, X., Li, H., Lu, C."Exome sequencing reveals novel IRXI mutation in congenital heart disease". Molecular Medicine Reports 15.5 (2017): 3193-3197.
Chicago
Guo, C., Wang, Q., Wang, Y., Yang, L., Luo, H., Cao, X. F., An, L., Qiu, Y., Du, M., Ma, X., Li, H., Lu, C."Exome sequencing reveals novel IRXI mutation in congenital heart disease". Molecular Medicine Reports 15, no. 5 (2017): 3193-3197. https://doi.org/10.3892/mmr.2017.6410