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Serum 25-hydroxyvitamin D, Plasma Lipids, and Associated Gene Variants in Prepubertal Children

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Date
2018
Author(s)
Soininen S
Eloranta AM
Viitasalo A
Dion G
Erkkilä A
Sidoroff V
Lindi V
Mahonen A
Lakka TA
Unique identifier
10.1210/jc.2018-00335
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Citation
Soininen S. Eloranta AM. Viitasalo A. Dion G. Erkkilä A. Sidoroff V. Lindi V. Mahonen A. Lakka TA. (2018). Serum 25-hydroxyvitamin D, Plasma Lipids, and Associated Gene Variants in Prepubertal Children.  JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM, 103 (7) , 2670–2679. 10.1210/jc.2018-00335.
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© Endocrine Society
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Abstract

Context
The associations of serum 25-hydroxyvitamin D [25(OH)D] with plasma lipids remain controversial in children.

Objective
To examine the associations and interactions of 25(OH)D and related gene variants with lipids in children.

Design
Cross-sectional.

Setting
Kuopio, Finland.

Participants
Population sample of 419 prepubertal white children aged 6 to 8 years.

Main Outcome Measures
25(OH)D, total cholesterol, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein (HDL) cholesterol, and triglycerides.

Results
Serum 25(OH)D was negatively associated with total cholesterol (β = –0.141, P = 0.004), LDL cholesterol (β = –0.112, P = 0.023), HDL cholesterol (β = –0.150, P = 0.002), and triglycerides (β = –0.104, P = 0.035) adjusted for age and sex. Associations of 25(OH)D with total cholesterol, LDL cholesterol, and HDL cholesterol remained after adjustment for adiposity, physical activity, sedentary behavior, diet, daylight time, and parental education. Children in the highest quartile of 25(OH)D had the lowest total cholesterol (P = 0.022) and LDL cholesterol (P = 0.026) adjusted for age and sex. Cytochrome P450 family 2 subfamily R member 1 (CYP2R1) rs12794714, CYP2R1 rs10741657, and vitamin D binding protein (DBP) rs2282679 were associated with 25(OH)D adjusted for age and sex. CYP2R1 rs12794714 was associated with total cholesterol and LDL cholesterol and C10orf88 rs6599638 with HDL cholesterol adjusted for age, sex, and 25(OH)D. The gene variants did not explain or modify the associations of 25(OH)D with lipids.

Conclusions
25(OH)D was independently and inversely associated with total cholesterol, LDL cholesterol, and HDL cholesterol. CYP2R1 rs12794714, CYP2R1 rs10741657, and DBP rs2282679 were associated with 25(OH)D. CYP2R1 rs12794714 was associated with total cholesterol and LDL cholesterol and chromosome 10 open reading frame 88 (C10orf88) rs6599638 with HDL cholesterol independent of 25(OH)D. None of the gene variants modified the associations of 25(OH)D with lipids. Further studies are needed to detect the mechanisms for the associations of 25(OH)D with lipids.

URI
https://erepo.uef.fi/handle/123456789/6817
Link to the original item
http://dx.doi.org/10.1210/jc.2018-00335
Publisher
The Endocrine Society
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