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Andersson Svärd, AgnesLund University,Lunds universitet,Celiaki och diabetes,Forskargrupper vid Lunds universitet,Pediatrisk endokrinologi,Celiac Disease and Diabetes Unit,Lund University Research Groups,Paediatric Endocrinology,Skåne University Hospital
(author)
Possible Relationship between the HLA-DRA1 Intron Haplotype of Three Single-Nucleotide Polymorphisms in Intron 1 of the HLA-DRA1 Gene and Autoantibodies in Children at Increased Genetic Risk for Autoimmune Type 1 Diabetes
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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2022-08-01
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The American Association of Immunologists,2022
Numbers
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LIBRIS-ID:oai:lup.lub.lu.se:a883454b-a9f4-4b06-88bc-53a6fc644539
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https://lup.lub.lu.se/record/a883454b-a9f4-4b06-88bc-53a6fc644539URI
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https://doi.org/10.4049/immunohorizons.2200039DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Recently, a haplotype of three single-nucleotide polymorphisms (tri-SNP) in intron 1 of the HLA-DRA1 gene was found to be strongly associated with type 1 diabetes risk in HLA-DR3/3 individuals. The tri-SNP reportedly function as “expression quantitative trait loci,” modulating HLA-DR and -DQ expression. The aim was to investigate HLA-DRA1 tri-SNPs in relation to extended HLA class II haplotypes and human peripheral blood cell HLA-DQ cell-surface median fluorescence intensity (MFI), the first-appearing islet autoantibody, and autoimmunity burden. A total of 67 healthy subjects (10–15 y) at increased HLA risk for type 1 diabetes and with (n = 54) or without (n = 13) islet autoantibodies were followed longitudinally in the Diabetes Prediction in Skåne study. Among four tri-SNPs, AGG (n = 67), GCA (n = 47), ACG (n = 11), and ACA (n = 9), HLA-DQ cell-surface MFI on CD4+ T cells was lower in AGG than GCA (p = 0.030) subjects. Cumulative autoimmunity burden was associated with reduced HLA-DQ cell-surface MFI in AGG compared with GCA in CD16+ cells (p = 0.0013), CD4+ T cells (p = 0.0018), and CD8+ T cells (p = 0.016). The results suggest that HLA-DRA1 tri-SNPs may be related to HLA-DQ cell-surface expression and autoimmunity burden.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Benatti, ElinLund University,Lunds universitet,Celiaki och diabetes,Forskargrupper vid Lunds universitet,Celiac Disease and Diabetes Unit,Lund University Research Groups,Skåne University Hospital(Swepub:lu)el8545be
(author)
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Lundgren, MarkusLund University,Lunds universitet,Pediatrisk endokrinologi,Forskargrupper vid Lunds universitet,Paediatric Endocrinology,Lund University Research Groups,Central Hospital Kristianstad,Skåne University Hospital(Swepub:lu)med-mn2
(author)
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Lernmark, AkeLund University,Lunds universitet,Celiaki och diabetes,Forskargrupper vid Lunds universitet,Celiac Disease and Diabetes Unit,Lund University Research Groups,Skåne University Hospital(Swepub:lu)endo-ale
(author)
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Maziarz, MarlenaLund University,Lunds universitet,Diabetiska komplikationer,Forskargrupper vid Lunds universitet,Diabetic Complications,Lund University Research Groups,Skåne University Hospital(Swepub:lu)ma4353ma
(author)
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Elding Larsson, HelenaLund University,Lunds universitet,Pediatrisk endokrinologi,Forskargrupper vid Lunds universitet,Paediatric Endocrinology,Lund University Research Groups,Skåne University Hospital(Swepub:lu)pedi-hla
(author)
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Celiaki och diabetesForskargrupper vid Lunds universitet
(creator_code:org_t)
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DiPiS Study Group
Related titles
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In:ImmunoHorizons: The American Association of Immunologists6:8, s. 614-6292573-7732
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