期刊
EUROPEAN JOURNAL OF ENDOCRINOLOGY
卷 164, 期 5, 页码 781-788出版社
BIOSCIENTIFICA LTD
DOI: 10.1530/EJE-10-1130
关键词
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资金
- ZonMw VENI [91696017]
- Erasmus MC Fellowship
- Netherlands Organization for Scientific Research (NWO) Investments [175.010.2005.011, 911-03-012]
- Research Institute for Diseases in the Elderly [014-93-015, RIDE2]
- Netherlands Genomics Initiative (NGI)/NWO [050-060-810]
- Erasmus Medical Center
- Erasmus University, Rotterdam, Netherlands Organization for the Health Research and Development (ZonMW)
- Research Institute for Diseases in the Elderly (RIDE)
- Ministry of Education, Culture and Science
- Ministry of Health, Welfare and Sports
- European Commission (DG XII)
- Municipality of Rotterdam
- Agnes and Knut Morks Foundation
- Danish Research Agency
- Foundation of 17-12-1981
- Novo Nordisk Foundation
- Danish Medical Research Council
- European Commission [POLYGENE: LSHC-CT-2005-018827]
- Radboud University Nijmegen Medical Centre
- National Computing Facilities Foundation (NCF)
- NWO
Objective: Minor variation in serum thyroid hormone (TH) levels can have important effects on various clinical endpoints. Although 45-65% of the inter-individual variation in serum TH levels is due to genetic factors, the causative genes are not well established. We therefore studied the effects of genetic variation in 68 TH pathway genes on serum TSH and free thyroxine (FT4) levels. Design and methods: Sixty-eight genes (1512 polymorphisms) were studied in relation to serum TSH and FT4 levels in 1121 Caucasian subjects. Promising hits (P<0.01) were studied in three independent Caucasian populations (2656 subjects) for confirmation. A meta-analysis of all four studies was performed. Results: For TSH, eight PDE8B polymorphisms (P=4x10(-17)) remained significant in the meta-analysis. For FT4, two DIO1 (P=8X10(-12)) and one FOXE1 (P=0.0003) polymorphisms remained significant in the meta-analysis. Suggestive associations were detected for one FOXE1 (P=0.0028) and three THRB (P=0.0045) polymorphisms with TSH, and one SLC16A10 polymorphism (P=0.0110) with FT4, but failed to reach the significant multiple-testing corrected P value (P<0.0022 and P<0.0033 respectively). Conclusions: Using a large-scale association analysis, we replicated previously reported associations with genetic variation in PDE8B, THRB, and DIO1. We demonstrate effects of genetic variation in FOXE1 on serum FT4 levels, and borderline significant effects on serum TSH levels. A suggestive association of genetic variation in SLC16A10 with serum FT4 levels was found. These data provide insight into the molecular basis of inter-individual variation in TH serum levels.
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