Genetic screening of 104 patients with congenitally malformed hearts revealed a fresh mutation of GATA4 in those with atrial septal defects

Author:

Hamanoue Haruka,Rahayuningsih Sri Endah,Hirahara Yuya,Itoh Junko,Yokoyama Utako,Mizuguchi Takeshi,Saitsu Hirotomo,Miyake Noriko,Hirahara Fumiki,Matsumoto Naomichi

Abstract

AbstractWe analysed the GATA binding protein 4 gene, or GATA4, along with the NK2 transcription factor related, locus 5 gene, or NKX2.5, to determine their genetic contribution to 104 sporadic patients in Indonesia with congenitally malformed hearts, 76 cases having atrial septal defect and 28 tetralogy of Fallot. We found only 1 novel mutation of GATA4 in those with atrial septal defecst. Analysis of the genetic background of the parents of the patient showed for the first time that a new mutation of GATA4 can cause sporadic atrial septal defects. We failed to discover any other mutations of either the GATA4 or NKX2-5 genes, supporting the marked genetic heterogeneity of human congenital cardiac defects.

Publisher

Cambridge University Press (CUP)

Subject

Cardiology and Cardiovascular Medicine,General Medicine,Pediatrics, Perinatology, and Child Health

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