Evidence map›Paper›PMID 24663808›Full record

ArticleDiabetologia2014

A serum 25-hydroxyvitamin D concentration-associated genetic variant in DHCR7 interacts with type 2 diabetes status to influence subclinical atherosclerosis (measured by carotid intima-media thickness).

Rona J Strawbridge, Anna Deleskog, Olga McLeod, Lasse Folkersen, Maryam Kavousi, Karl Gertow, Damiano Baldassarre, Fabrizio Veglia, Karin Leander, Bruna Gigante and 16 more

Abstract read
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In one paragraph

Article in Diabetologia, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
3.6field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

26 authors at 9 institutions in 6 countries.

Rona J StrawbridgeAtherosclerosis Research Unit, Centre for Molecular Medicine, Building L8:03, Karolinska University Hospital Solna, 17176, Stockholm, Sweden, Rona.Strawbridge@ki.se.
Anna Deleskog
Olga McLeod
Lasse Folkersen
Maryam Kavousi
Karl Gertow
Damiano Baldassarre
Fabrizio Veglia
Karin Leander
Bruna Gigante
Jussi Kauhanen
Rainer Rauramaa
Andries J Smit
Elmo Mannarino
Philippe Giral
Abbas Dehghan
Albert Hofman
Oscar H Franco
Steve E Humphries
Elena Tremoli
Ulf de Faire
Sven Gustafsson
Claes-Göran Östensson
Per Eriksson
John Öhrvik
Anders Hamsten
Karolinska University Hospital · SEKarolinska Institutet · SECentro Cardiologico Monzino · ITErasmus MC · NLNetherlands Consortium for Healthy Ageing · NLAssistance Publique – Hôpitaux de Paris · FRUniversity College London · GBUniversity of Eastern Finland · FIUniversity of Perugia · IT

Funding

British Heart Foundation RG/08/008/25291British Heart Foundation RG2008/014British Heart Foundation RG2008/08
6 · The paper itself

Abstract

aims/hypothesisThe findings of studies investigating whether or not low serum 25-hydroxyvitamin D [25(OH)D] concentration promotes development of atherosclerosis have been contradictory. The present study employed a Mendelian randomisation approach and carotid artery intima-media thickness (cIMT), a surrogate marker of coronary artery disease, to address this question.

methodsThe multicentre, longitudinal Carotid Intima-Media Thickness and IMT-Progression as Predictors of Vascular Events in a High-Risk European Population (IMPROVE) cohort study, which enrolled individuals with at least three cardiovascular risk factors and no history or symptoms of cardiovascular disease, was used for the present investigation. Participants underwent carotid ultrasound examination at baseline and at months 15 and 30. Six single nucleotide polymorphisms (SNPs) associated with serum 25(OH)D concentration in genome-wide association studies were identified and genotyped in 3,418 individuals, of whom 929 had type 2 diabetes.

resultsSNPs in the genes encoding vitamin D binding protein (GC; rs2282679 and rs7041) and 7-dehydrocholesterol reductase/NAD synthetase-1 (DHCR7; rs12785878 and rs3829251) were negatively associated with 25(OH)D levels. Effect sizes and significance of associations between SNPs and 25(OH)D levels differed between individuals with and without type 2 diabetes, although no significant interactions were observed. A SNP in DHCR7 interacted with type 2 diabetes to significantly influence progression of cIMT measures independent of 25(OH)D levels and established risk factors. Expression analysis demonstrated that this SNP modulates DHCR7 mRNA levels in aortic adventitia. CONCLUSIONS/

interpretationSNPs in GC and DHCR7 were associated with serum levels of 25(OH)D, but only rs3829251 (DHCR7) influenced progression of subclinical atherosclerosis, as measured by cIMT, in a manner dependent on type 2 diabetes status but independent of 25(OH)D levels.

Indexed as

AgedCarotid Intima-Media ThicknessDiabetes Mellitus, Type 2Genome-Wide Association StudyGenotypeHumansMiddle AgedOxidoreductases Acting on CH-CH Group DonorsPolymorphism, Single NucleotideVitamin D25-hydroxyvitamin D7-dehydrocholesterol reductaseOxidoreductases Acting on CH-CH Group DonorsVitamin D

Identifiers

PMID24663808
OpenAlexW1991080618

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.