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Relationship between ZnT8Ab, the SLC30A8 gene and disease progression in children with newly diagnosed type 1 diabetes
Lunds universitet.ORCID iD: 0000-0002-9953-2829
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2011 (English)In: Autoimmunity, ISSN 0891-6934, E-ISSN 1607-842X, Vol. 44, no 8, 616-623 p.Article in journal (Refereed) Published
Abstract [en]

Autoantibodies against the newly established autoantigen in type 1 diabetes, zinc transporter 8, ZnT8, are presented as two types, ZnT8RAb and ZnT8WAb. The rs13266634 variant of the SLC30A8 gene has recently been found to determine the type of ZnT8Ab. The aim of this study was to explore the impact of this genetic variant and the ZnT8Ab on the residual beta-cell function during disease progression the first year after disease diagnosis in children with newly diagnosed type 1 diabetes. This cohort consists of 257 children aged < 16 years, all patients were newly diagnosed with type 1 diabetes. A Boost-test was carried out at 1, 6, and 12 months to characterize the residual beta-cell function. Carriers of the CC and CT genotype groups of the rs13266634 SNP of the SLC30A8 gene had higher stimulated C-peptide levels the first year after onset compared with those of the TT genotype group (29%, p = 0.034). CC genotype carriers were highly associated with the presence of ZnT8RAb subtype during disease progression (compared with TT, p < 0.0001). On the other hand, the TT genotype was associated with the presence of ZnT8WAb subtype during disease progression (compared with CC, p < 0.0001). The C allele of the SLC30A8 gene is associated with preserved beta-cell function in type 1 diabetes patients. The genetic determination of the rs13266634 variant on the ZnT8Ab specificity is sustained the first 12 months after the diagnosis of type 1 diabetes in a pediatric cohort.

Place, publisher, year, edition, pages
2011. Vol. 44, no 8, 616-623 p.
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Cell and Molecular Biology Immunology in the medical area
Identifiers
URN: urn:nbn:se:hkr:diva-12666DOI: 10.3109/08916934.2011.576724ISI: 000296395100004PubMedID: 21604969OAI: oai:DiVA.org:hkr-12666DiVA: diva2:739683
Available from: 2014-08-21 Created: 2014-08-21 Last updated: 2017-01-12Bibliographically approved

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Vaziri-Sani, Fariba
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
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  • Other locale
More languages
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