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Research: Congenital hypothyroidism, cardiac defects, and pancreatic agenesis in an infant with GATA6 mutation

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Research: Congenital hypothyroidism, cardiac defects, and pancreatic agenesis in an infant with GATA6 mutation

Am J Med Genet A. 2020 Mar 24. doi: 10.1002/ajmg.a.61569. [Epub ahead of print]

Congenital hypothyroidism, cardiac defects, and pancreatic agenesis in an infant with GATA6 mutation.

Raghuram N1Marwaha A2Greer MC3Gauda E1Chitayat D2,4. https://www.ncbi.nlm.nih.gov/pubmed/32207556

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Abstract

GATA6 pathogenic variants primarily manifest a phenotype with pancreatic agenesis and cardiac malformations. However, additional congenital malformations affecting the biliary system, congenital diaphragmatic hernia and developmental delay have been reported. We report a newborn, prenatally diagnosed with truncus arteriosus and intrauterine growth restriction, who was postnatally found to have pancreatic agenesis associated with neonatal diabetes and hepatobiliary abnormalities. Whole exome sequencing identified a de novo, heterozygous mutation in the GATA6 gene (c.1366C>T; p.Arg456Cys). Further investigations revealed abnormalities not previously associated with GATA6 mutation, including unilateral thyroid lobe agenesis associated with congenital hypothyroidism, absent gall bladder, possible adrenal insufficiency, thrombocytopenia, and neonatal stroke.

© 2020 Wiley Periodicals, Inc.

KEYWORDS:

GATA6; congenital hypothyroidism; neonatal diabetes; pancreatic agenesisPMID: 32207556 DOI: 10.1002/ajmg.a.61569

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