Abstract:
AIMS:To determine if HLA-DP loci independently contribute to classic type 1 diabetes (T1D) of all ages, childhood-onset T1D and latent autoimmune diabetes in adults (LADA) among Chinese Han population. METHODS:A total of 518 patients with classic T1D (Among them 180 participants manifested T1D between 1-14 years), 519 patients with LADA and 527 normal controls were genotyped for both HLA-DPA1 and -DPB1 loci. The frequencies of DP alleles and haplotypes in patients were directly compared to those in controls, followed by adjustment for linkage disequilibrium (LD) with DR-DQ haplotypes. RESULTS:In the direct comparison, DPA1*01:03, DPB1*04:01 and DPA1*01:03-DPB1*04:01 showed disease-predisposing effects in both the overall T1D group and the childhood-onset T1D group mainly due to their conjunction with the known susceptible DR3 haplotype. Conditioning on DR-DQ haplotypes, only DPA1*02:02-DPB1*02:02 significantly increased T1D risk among those diagnosed during childhood (OR = 2.02, 95% CI = 1.35-3.01). Whether or not adjusted for LD, no statistically significant HLA-DP association could be observed for LADA. CONCLUSION:HLA-DP is implicated in the pathogenesis of childhood-onset T1D in Chinese, independent of the predominant DR-DQ loci and might serve as additional markers in genetic models for the recognition of those genetically at-risk individuals.
journal_name
Diabetes Res Clin Practjournal_title
Diabetes research and clinical practiceauthors
Xia Y,Li X,Huang G,Lin J,Luo S,Xie Z,Zhou Zdoi
10.1016/j.diabres.2020.108582subject
Has Abstractpub_date
2020-12-08 00:00:00pages
108582eissn
0168-8227issn
1872-8227pii
S0168-8227(20)30839-1pub_type
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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journal_title:Diabetes research and clinical practice
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更新日期:2007-04-01 00:00:00
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journal_title:Diabetes research and clinical practice
pub_type: 杂志文章
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journal_title:Diabetes research and clinical practice
pub_type: 杂志文章,随机对照试验
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journal_title:Diabetes research and clinical practice
pub_type: 杂志文章
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更新日期:2007-01-01 00:00:00