| Coexistent autoimmunity in familial type 1 diabetes: increased susceptibility in sib-pairs? | |
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MedLine Citation:
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PMID: 21242668 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Type 1 diabetes (T1D) patients are at risk for additional autoimmune diseases (AID). Objective: To compare the characteristics of associated autoimmunity among familial (parent-offspring and sib-pair) subgroups and sporadic T1D patients. PATIENTS AND METHODS: Data regarding AID in T1D patients and their nuclear family members were extracted from medical files of 121 multiplex T1D families (58 parent-offspring, 63 sib-pairs) and 226 sporadic controls followed between 1979 and 2008. RESULTS: The prevalence of associated autoimmunity was similar in familial and sporadic cases (33.6 vs. 32.7%). The frequency of additional AID and percentage of patients with two or more coexistent AID were significantly higher among sib-pairs than parent-offspring (p = 0.05 and p = 0.04, respectively). The median time elapsed between diagnosis of T1D and occurrence of additional autoimmunity tended to be shorter in the sib-pairs. Only in familial cases did a positive autoimmune family background predict the development of coexistent autoimmunity (OR = 2.11, CI [1.0, 4.49] p = 0.05). CONCLUSIONS: Among sib-pairs with T1D, the higher prevalence of additional AID, the increased number of diseases per person, and the relatively earlier appearance of associated AID suggest an increased susceptibility for coexistent autoimmunity in this subgroup. Positive family history for autoimmunity in multiplex T1D families increased their risk for co-occurrence of AID. |
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Authors:
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Yael Lebenthal; Michal Yackobovitch-Gavan; Liat de Vries; Moshe Phillip; Liora Lazar |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2011-01-15 |
Journal Detail:
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Title: Hormone research in pædiatrics Volume: 75 ISSN: 1663-2826 ISO Abbreviation: Horm Res Paediatr Publication Date: 2011 |
Date Detail:
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Created Date: 2011-04-01 Completed Date: 2011-07-25 Revised Date: 2012-03-01 |
Medline Journal Info:
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Nlm Unique ID: 101525157 Medline TA: Horm Res Paediatr Country: Switzerland |
Other Details:
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Languages: eng Pagination: 284-90 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 S. Karger AG, Basel. |
Affiliation:
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The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel (SCMCI), Petach Tikva, Israel. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Antigens, CD / genetics Autoimmune Diseases / complications*, epidemiology* CTLA-4 Antigen Child Diabetes Mellitus, Type 1 / complications*, genetics*, immunology Family Health* Female Follow-Up Studies Genetic Predisposition to Disease* Genotype Humans Israel / epidemiology Male Parents Polymorphism, Single Nucleotide Prevalence Registries Risk Siblings* |
| Grant Support | |
ID/Acronym/Agency:
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U01 DK062418/DK/NIDDK NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Antigens, CD; 0/CTLA-4 Antigen; 0/CTLA4 protein, human |
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