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Enterovirus RNA in peripheral blood may be associated with the variants of rs1990760, a common type 1 diabetes associated polymorphism in IFIH1
O. Cinek, G. Tapia, E. Witsø, L. Kramna, K. Holkova, T. Rasmussen, LC. Stene, KS. Rønningen,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
Grantová podpora
NT11465
MZ0
CEP - Centrální evidence projektů
Digitální knihovna NLK
Plný text - Článek
Zdroj
Free Medical Journals od 2006
Public Library of Science (PLoS) od 2006
PubMed Central od 2006
Europe PubMed Central od 2006
ProQuest Central od 2006-12-01
Open Access Digital Library od 2006-01-01
Open Access Digital Library od 2006-01-01
Open Access Digital Library od 2006-10-01
Medline Complete (EBSCOhost) od 2008-01-01
Nursing & Allied Health Database (ProQuest) od 2006-12-01
Health & Medicine (ProQuest) od 2006-12-01
Public Health Database (ProQuest) od 2006-12-01
ROAD: Directory of Open Access Scholarly Resources od 2006
Odkazy
PubMed
23144876
DOI
10.1371/journal.pone.0048409
Knihovny.cz E-zdroje
- MeSH
- DEAD-box RNA-helikasy genetika MeSH
- diabetes mellitus 1. typu krev genetika virologie MeSH
- Enterovirus genetika MeSH
- feces virologie MeSH
- genetická predispozice k nemoci * MeSH
- genetické asociační studie * MeSH
- jednonukleotidový polymorfismus genetika MeSH
- kojenec MeSH
- lidé MeSH
- multivariační analýza MeSH
- RNA virová krev MeSH
- Check Tag
- kojenec MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Geografické názvy
- Norsko MeSH
OBJECTIVE: Polymorphisms in the IFIH1 (common rs1990760 and four rare rs35667974, rs35337543, rs35744605, rs35732034) have been convincingly associated with type 1 diabetes. The encoded protein (interferon-induced helicase C domain-containing protein 1) senses double-stranded RNA during replication of Picornavirales, including Enterovirus, a genus suspected in the etiology of type 1 diabetes. We therefore investigated whether the polymorphisms are associated with differences in the frequency of enterovirus RNA in blood. RESEARCH DESIGN AND METHODS: The study included 1001 blood samples, each from a child participating in the Norwegian 'Environmental Triggers of Type 1 Diabetes: the MIDIA study'. The enterovirus RNA was tested using qualitative semi-nested real-time reverse transcriptase PCR on RNA extracted from frozen cell packs after removal of plasma. Stool samples previously analyzed for enterovirus RNA were available in 417 children. RESULTS: The genotypes of IFIH1 rs1990760 were associated with different frequencies of enterovirus RNA in blood (7.0%, 14.4% and 9.5% bloods were enterovirus positive among children carrying the Ala/Ala, Ala/Thr and Thr/Thr genotypes, respectively, p = 0.012). This association remained essentially unchanged after adjustment for age and calendar year. The presence of enterovirus in the concomitantly sampled stool further increased the likelihood of enterovirus RNA in blood (odds ratio 2.40, CI 95% 1.13-4.70), but did not affect the association with IFIH1 rs1990760. The rare polymorphisms (individually, or pooled) were not significantly associated with enterovirus RNA in blood. CONCLUSIONS: The common IFIH1 SNP may modify the frequency of enterovirus RNA in blood of healthy children. This effect can help explain the association of IFIH1 with type 1 diabetes.
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- $a OBJECTIVE: Polymorphisms in the IFIH1 (common rs1990760 and four rare rs35667974, rs35337543, rs35744605, rs35732034) have been convincingly associated with type 1 diabetes. The encoded protein (interferon-induced helicase C domain-containing protein 1) senses double-stranded RNA during replication of Picornavirales, including Enterovirus, a genus suspected in the etiology of type 1 diabetes. We therefore investigated whether the polymorphisms are associated with differences in the frequency of enterovirus RNA in blood. RESEARCH DESIGN AND METHODS: The study included 1001 blood samples, each from a child participating in the Norwegian 'Environmental Triggers of Type 1 Diabetes: the MIDIA study'. The enterovirus RNA was tested using qualitative semi-nested real-time reverse transcriptase PCR on RNA extracted from frozen cell packs after removal of plasma. Stool samples previously analyzed for enterovirus RNA were available in 417 children. RESULTS: The genotypes of IFIH1 rs1990760 were associated with different frequencies of enterovirus RNA in blood (7.0%, 14.4% and 9.5% bloods were enterovirus positive among children carrying the Ala/Ala, Ala/Thr and Thr/Thr genotypes, respectively, p = 0.012). This association remained essentially unchanged after adjustment for age and calendar year. The presence of enterovirus in the concomitantly sampled stool further increased the likelihood of enterovirus RNA in blood (odds ratio 2.40, CI 95% 1.13-4.70), but did not affect the association with IFIH1 rs1990760. The rare polymorphisms (individually, or pooled) were not significantly associated with enterovirus RNA in blood. CONCLUSIONS: The common IFIH1 SNP may modify the frequency of enterovirus RNA in blood of healthy children. This effect can help explain the association of IFIH1 with type 1 diabetes.
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