RDF/XMLNTriplesTurtleShow queryShare
SubjectPredicateObject
http://purl.uniprot.org/citations/25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/25781533http://www.w3.org/2000/01/rdf-schema#comment"

Background

Hyperinsulinism-hyperammonemia syndrome (HI/HA) is a rare autosomal dominant disorder presenting with hypoglycemia and hyperammonemia. It is caused by activating mutations in the GLUD1 gene.

Case reports

Three patients from two different centers, a 14-month-old female, a 28-year-old female (mother of the first patient) from Toronto and an unrelated 2.5-year-old male from Vienna, presented with multiple episodes of seizures associated with hypoglycemia.

Results

All patients had mild to moderate hypoglycemia, inappropriate insulin levels and mild hyperammonemia, thus suggesting a disorder of glutamate dehydrogenase (GDH). Molecular genetic testing of the GLUD1 gene identified heterozygous mutations in all patients (patient 1 and her mother a novel c.1526G>C mutation; patient 3 a known c.809C>G mutation).

Conclusion

We present three new patients with GDH caused by heterozygous mutation in the GLUD1 gene. Mild hyperammonemia and inappropriately elevated insulin levels should suggest a GLUD1 mutation. Early onset hypoglycemia associated with seizures, and especially a good response to diazoxide treatment, should include this disorder in the differential diagnosis of hyperinsulinemic hypoglycemia."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.org/dc/terms/identifier"doi:10.1515/jpem-2014-0441"xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Mercimek-Mahmutoglu S."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Tran C."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Perlman K."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Konstantopoulou V."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Kronick J.B."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/author"Mecjia M."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/date"2015"xsd:gYear
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/name"J Pediatr Endocrinol Metab"xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/pages"873-876"xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/title"Hyperinsulinemic hypoglycemia: think of hyperinsulinism/hyperammonemia (HI/HA) syndrome caused by mutations in the GLUD1 gene."xsd:string
http://purl.uniprot.org/citations/25781533http://purl.uniprot.org/core/volume"28"xsd:string
http://purl.uniprot.org/citations/25781533http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/25781533
http://purl.uniprot.org/citations/25781533http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/25781533
http://purl.uniprot.org/uniprot/#_B3KT18-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_B4DMF5-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_B4DMG8-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_B4E0N9-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_E9KL48-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_Q53GW3-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_Q14400-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_P00367-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533
http://purl.uniprot.org/uniprot/#_Q59FQ4-mappedCitation-25781533http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/25781533