Cited by 813Diabetes and associated disordersGenomics and Rare DiseasesEndoplasmic Reticulum Stress and Disease

EIF2AK3, encoding translation initiation factor 2-α kinase 3, is mutated in patients with Wolcott-Rallison syndrome

Delépine, Marc, Nicolino, Marc, Barrett, Timothy, Golamaully, Mahamadee, Mark Lathrop, G., Julier, Cécile·2000·Nature Genetics

Abstract

Wolcott-Rallison syndrome (WRS) is a rare, autosomal recessive disorder characterized by permanent neonatal or early infancy insulin-dependent diabetes. Epiphyseal dysplasia, osteoporosis and growth retardation occur at a later age. Other frequent multisystemic manifestations include hepatic and renal dysfunction, mental retardation and cardiovascular abnormalities. On the basis of two consanguineous families, we mapped WRS to a region of less than 3 cM on chromosome 2p12, with maximal evidence of linkage and homozygosity at 4 microsatellite markers within an interval of approximately 1 cM. The gene encoding the eukaryotic translation initiation factor 2-alpha kinase 3 (EIF2AK3) resides in this interval; thus we explored it as a candidate. We identified distinct mutations of EIF2AK3 that segregated with the disorder in each of the families. The first mutation produces a truncated protein in which the entire catalytic domain is missing. The other changes an amino acid, located in the catalytic domain of the protein, that is highly conserved among kinases from the same subfamily. Our results provide evidence for the role of EIF2AK3 in WRS. The identification of this gene may provide insight into the understanding of the more common forms of diabetes and other pathologic manifestations of WRS.

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Crossref · 10.1038/78085

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Authors
Delépine, M., Nicolino, M., Barrett, T., Golamaully, M., Mark Lathrop, G., & Julier, C.
Affiliations
  • Hôpital Debrousse (FR)
  • Birmingham Children's Hospital (GB)
  • Centre for Human Genetics (GB)
Corresponding author
Julier, Cécile
Venue
Nature Genetics
Published
2000-08
Volume
25
Issue
4
Pages
406-409
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1505761263
Cited by
813
References
30
Citations by year
2026: 17 · 2025: 20 · 2024: 23 · 2023: 24 · 2022: 28 · 2021: 39 · 2020: 33 · 2019: 29 · 2018: 35 · 2017: 32 · 2016: 23 · 2015: 28 · 2014: 49 · 2013: 37 · 2012: 48
FWCI
15.22
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
Keywords
PERK, Wolcott-Rallison syndrome, diabetes mellitus, epiphyseal dysplasia, osteoporosis, growth retardation, consanguineous family, linkage mapping, catalytic domain mutations, autosomal recessive disorder, candidate gene identification
MeSH terms
Abnormalities, Multiple, Amino Acid Sequence, Base Sequence, Diabetes Mellitus, Type 1, DNA, DNA Mutational Analysis, Epiphyses, Family Health, Female, Gene Frequency, Genotype, Growth Disorders, Haplotypes, Humans, Infant, Male, Molecular Sequence Data, Mutation, Pedigree, Polymorphism, Genetic, Syndrome, Sequence Homology, Amino Acid, Microsatellite Repeats, eIF-2 Kinase

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