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Research: A novel GATA6 variant in a boy with neonatal diabetes and diaphragmatic hernia: a familial case with a review of the literature.

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Research: A novel GATA6 variant in a boy with neonatal diabetes and diaphragmatic hernia: a familial case with a review of the literature.

J Pediatr Endocrinol Metab. 2019 Jul 4. pii: /j/jpem.ahead-of-print/jpem-2019-0057/jpem-2019-0057.xml. doi: 10.1515/jpem-2019-0057. [Epub ahead of print]

https://www.ncbi.nlm.nih.gov/pubmed/31271559

A novel GATA6 variant in a boy with neonatal diabetes and diaphragmatic hernia: a familial case with a review of the literature.

Gaisl O1Konrad D2Joset P3Lang-Muritano M2.

Author information

Abstract

GATA6 gene variants come along with possible features such as pancreas agenesis/hypoplasia, neonatal diabetes and congenital heart defect. Congenitalhypothyroidism, and hepatobiliary and gut abnormalities are also detectable. Children with congenital heart defects and neonatal diabetes were already described in 1970. GATA6 variants can be due to de novo variants or due to inherited variants. To date, 11 cases due to an inherited variant have been described. Herein we present a novel heterozygous GATA6 variant (c.1291C > T p.[Gln431*]) in a boy with transient neonatal diabetes, diaphragmatic hernia, congenital heart defect and early-onset scoliosis. The same variant was also present in the mother. At the age of 3 years, a random evaluation revealed a hemoglobin A1c (HbA1c) level of 7.8% (62 mmol/mol) without any diabetes-related symptoms. He was started on insulin therapy and HbA1c normalized. A short review of the literature of hereditary cases of the GATA6 variant revealed the variable phenotypic spectrum and showed that patients with a mild phenotype are likely to have children with a more severe phenotype.

KEYWORDS:

GATA6; congenital heart defect; diaphragmatic hernia; hereditary; neonatal diabetesPMID: 31271559 DOI: 10.1515/jpem-2019-0057

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