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Parental vitamin deficiency affects the embryonic gene expression of immune-, lipid transport- and apolipoprotein genes.

ABSTRACT: World Health Organization is concerned for parental vitamin deficiency and its effect on offspring health. This study examines the effect of a marginally dietary-induced parental one carbon (1-C) micronutrient deficiency on embryonic gene expression using zebrafish. Metabolic profiling revealed a reduced 1-C cycle efficiency in F0 generation. Parental deficiency reduced the fecundity and a total of 364 genes were differentially expressed in the F1 embryos. The upregulated genes (53%) in the deficient group were enriched in biological processes such as immune response and blood coagulation. Several genes encoding enzymes essential for the 1-C cycle and for lipid transport (especially apolipoproteins) were aberrantly expressed. We show that a parental diet deficient in micronutrients disturbs the expression in descendant embryos of genes associated with overall health, and result in inherited aberrations in the 1-C cycle and lipid metabolism. This emphasises the importance of parental micronutrient status for the health of the offspring.

SUBMITTER: Skjærven KH

PROVIDER: S-EPMC5059634 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Parental vitamin deficiency affects the embryonic gene expression of immune-, lipid transport- and apolipoprotein genes.

Skjærven Kaja H KH Jakt Lars Martin LM Dahl John Arne JA Espe Marit M Aanes Håvard H Hamre Kristin K Fernandes Jorge M O JM

Scientific reports 20161012

World Health Organization is concerned for parental vitamin deficiency and its effect on offspring health. This study examines the effect of a marginally dietary-induced parental one carbon (1-C) micronutrient deficiency on embryonic gene expression using zebrafish. Metabolic profiling revealed a reduced 1-C cycle efficiency in F<sub>0</sub> generation. Parental deficiency reduced the fecundity and a total of 364 genes were differentially expressed in the F<sub>1</sub> embryos. The upregulated g ...[more]

PMID: 27731423

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Project description:BackgroundObservational data associate lower levels of serum vitamin D with coronary artery calcification, cardiovascular events and mortality. However, there is little interventional evidence demonstrating that moderate vitamin D deficiency plays a causative role in cardiovascular disease. This study examined the cardiovascular effects of dietary vitamin D deficiency and of vitamin D receptor agonist (paricalcitol) administration in apolipoprotein E knockout mice.MethodsMice were fed atherogenic diets with normal vitamin D content (1.5 IU/kg) or without vitamin D. Paricalcitol, or matched vehicle, was administered 3× weekly by intraperitoneal injection. Following 20 weeks of these interventions cardiovascular phenotype was characterized by histological assessment of aortic sinus atheroma, soluble markers, blood pressure and echocardiography. To place the cardiovascular assessments in the context of intervention effects on bone, structural changes at the tibia were assessed by microtomography.ResultsVitamin D deficient diet induced significant reductions in plasma vitamin D (p<0.001), trabecular bone volume (p<0.01) and bone mineral density (p<0.005). These changes were accompanied by an increase in calcification density (number of calcifications per mm(2)) of von Kossa-stained aortic sinus atheroma (461 versus 200, p<0.01). Paricalcitol administration suppressed parathyroid hormone (p<0.001), elevated plasma calcium phosphate product (p<0.005) and induced an increase in calcification density (472 versus 200, p<0.005) similar to that seen with vitamin D deficiency. Atheroma burden, blood pressure, metabolic profile and measures of left ventricular hypertrophy were unaffected by the interventions.ConclusionVitamin D deficiency, as well as excess, increases atherosclerotic calcification. This phenotype is induced before other measures of cardiovascular pathology associated clinically with vitamin D deficiency. Thus, maintenance of an optimal range of vitamin D signalling may be important for prevention of atherosclerotic calcification.

Dataset Information

Parental vitamin deficiency affects the embryonic gene expression of immune-, lipid transport- and apolipoprotein genes.

Publications

Parental vitamin deficiency affects the embryonic gene expression of immune-, lipid transport- and apolipoprotein genes.

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