2012
DOI: 10.1210/jc.2012-1356
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Novel Presentations of Congenital Hyperinsulinism due to Mutations in the MODY genes:HNF1AandHNF4A

Abstract: The first two cases demonstrate that mutations in HNF1A (MODY3) can cause hyperinsulinism early in life and diabetes later, similar to the phenotype recently reported for HNF4A (MODY1) mutations. Case 3 indicates that the effects of HNF4A mutations in infancy may extend beyond pancreatic β-cells to produce a disorder similar to glucose transporter 2 deficiency involving both liver glycogen metabolism and renal tubular transport.

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Cited by 155 publications
(126 citation statements)
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“…• milder form [48,49] • focal FHI -caused by a paternal mutation of one of the genes and a specific loss of maternal alleles [8] Dominant, activating [10,[14][15][16] Dominant, activating [4,19] Relatively mild FHI, may escape recognition in infancy [20] Recessive, loss of function [4,[25][26][27][28] Dominant, increased expression [29] Dominant, loss of function [35] Also associated with MODY1 (HNF4a) and MODY3 (HNF1a) [35] Dominant, loss of function Characteristic Large birth weight [4] Increased risk of diabetes in adulthood [4] Normal birth weight [15] Hyperammonaemia [21] Leucine-dependent protein-stimulated hypoglycaemia [4] Elevated urinary 3-hydroxyglutaric acid excretion [4] Leucine-dependent protein-stimulated hypoglycaemia [25] hypoglycaemia after intensive exercise [29] Large birth weight [34] *Cases with dominant KATP mutations may be responsive to diazoxide [48,49]. **Most cases.…”
Section: Abcc8/kcnj11mentioning
confidence: 99%
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“…• milder form [48,49] • focal FHI -caused by a paternal mutation of one of the genes and a specific loss of maternal alleles [8] Dominant, activating [10,[14][15][16] Dominant, activating [4,19] Relatively mild FHI, may escape recognition in infancy [20] Recessive, loss of function [4,[25][26][27][28] Dominant, increased expression [29] Dominant, loss of function [35] Also associated with MODY1 (HNF4a) and MODY3 (HNF1a) [35] Dominant, loss of function Characteristic Large birth weight [4] Increased risk of diabetes in adulthood [4] Normal birth weight [15] Hyperammonaemia [21] Leucine-dependent protein-stimulated hypoglycaemia [4] Elevated urinary 3-hydroxyglutaric acid excretion [4] Leucine-dependent protein-stimulated hypoglycaemia [25] hypoglycaemia after intensive exercise [29] Large birth weight [34] *Cases with dominant KATP mutations may be responsive to diazoxide [48,49]. **Most cases.…”
Section: Abcc8/kcnj11mentioning
confidence: 99%
“…Another gene also encoding a nuclear transcription factor the mutations of which are associated with infant hyperinsulinism is HNF1A [35]. This gene has previously been connected to MODY3.…”
Section: Hnf4a/hnf1amentioning
confidence: 99%
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“…Congenital hyperinsulinemia is associated with a considerable increase in weight and macrosomia [7,8]. Insulin resistance (IR) is a condition in which cells fail to respond to the actions of insulin.…”
Section: Introductionmentioning
confidence: 99%