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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Two novel mutations in the EIF2AK3 gene in children with Wolcott-Rallison syndrome
Pediatric Diabetes, Volume 12, No. 3 PART 1, Year 2011
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Description
Wolcott-Rallison syndrome (WRS, OMIM 226980) is a rare autosomal recessive disorder characterized by permanent neonatal diabetes mellitus, epiphyseal dysplasia, and other multisystemic clinical manifestations. We described two novel mutations in the EIF2AK3 gene in two consanguineous families with WRS from Brazil and Morocco. We have observed in case 1 a homozygous C > T replacement at base pair c.1192 at exon 7, generating a stop codon at position 398 (Gln398Stop). Both of his parents were found to be heterozygous for the mutation. We detected in both parents of case 2, a deceased Moroccan girl, a duplication of base pair c.851A at exon 5 (c.851dupA) leading to a frameshift and a stop codon at position 285 (p.Pro285AlafsX3). Both cases 1 and 2 had neonatal diabetes mellitus, multiple epiphyseal dysplasia, and growth delay, and presented episodes of acute hepatic dysfunction. Case 1 presented central hypothyroidism, developmental delay, and mild mental retardation. Case 2 presented a fatal episode of acute renal failure. The clinical phenotype associated with the syndrome can be variable, but a combination of infancy-onset diabetes mellitus, multiple epiphyseal dysplasia, and hepatic and/or renal dysfunction is the mainstay of diagnosis. © 2010 John Wiley & Sons A/S.
Authors & Co-Authors
Reis, André F.
Brazil, Sao Paulo
Universidade Federal de São Paulo
Kannengiesser, Caroline
France, Paris
Hôpital Bichat-claude-bernard Ap-hp
France, Paris
Université Paris Cité
Jennane, Farida
Morocco, Agdal Rabat
Hôpital D'enfants
Manna, Thais Della
Brazil, Sao Paulo
Universidade de São Paulo
Cheurfa, Nadir
France, Paris
Inserm
Oudin, Claire
France, Paris
Hôpital Bichat-claude-bernard Ap-hp
Savoldelli, Roberta Diaz
Brazil, Sao Paulo
Universidade de São Paulo
Oliveira, Carolina
Brazil, Sao Paulo
Universidade Federal de São Paulo
Grandchamp, Bernard
France, Paris
Hôpital Bichat-claude-bernard Ap-hp
France, Paris
Université Paris Cité
Kok, Fernando
Brazil, Sao Paulo
Universidade de São Paulo
Brazil, Sao Paulo
Fleury
Velho, Gilberto
France, Paris
Inserm
Statistics
Citations: 18
Authors: 11
Affiliations: 7
Identifiers
Doi:
10.1111/j.1399-5448.2010.00679.x
ISSN:
1399543X
e-ISSN:
13995448
Research Areas
Cancer
Genetics And Genomics
Maternal And Child Health
Noncommunicable Diseases
Study Locations
Morocco
Participants Gender
Female