Evidence map›Paper›PMID 31371314›Full record

SynthesisBMJ (Clinical research ed.)2019

Genetic predisposition to increased serum calcium, bone mineral density, and fracture risk in individuals with normal calcium levels: mendelian randomisation study.

Agustin Cerani, Sirui Zhou, Vincenzo Forgetta, John A Morris, Katerina Trajanoska, Fernando Rivadeneira, Susanna C Larsson, Karl Michaëlsson, J Brent Richards

Open access · hybridAbstract readMeta-Analysis
In one paragraph

Synthesis in BMJ (Clinical research ed.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
5.8field-weighted citation impact, top 3% 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

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Association of physical activity with fracture: a prospective cohort study of 387,307 Chinese participants.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026
    Article
  5. Article
  6. Article
  7. Article
  8. Causal inference in health and disease: a review of the principles and applications of Mendelian randomization.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2024
    Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. The Human Gut Microbiota: A Key Mediator of Osteoporosis and Osteogenesis.International journal of molecular sciences · 2021
    Review
  18. Review
  19. Article
  20. Review
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

9 authors at 4 institutions in 3 countries.

Agustin CeraniLady Davis Institute, Jewish General Hospital, McGill University, Montréal, Québec, Canada.
Sirui ZhouLady Davis Institute, Jewish General Hospital, McGill University, Montréal, Québec, Canada.
Vincenzo ForgettaLady Davis Institute, Jewish General Hospital, McGill University, Montréal, Québec, Canada.
John A MorrisLady Davis Institute, Jewish General Hospital, McGill University, Montréal, Québec, Canada.
Katerina TrajanoskaDepartment of Internal Medicine, Erasmus MC, University Medical Center, Rotterdam, Netherlands.
Fernando RivadeneiraDepartment of Internal Medicine, Erasmus MC, University Medical Center, Rotterdam, Netherlands.
Susanna C LarssonUnit of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
Karl MichaëlssonDepartment of Surgical Sciences, Uppsala University, Uppsala, Sweden.
J Brent RichardsLady Davis Institute, Jewish General Hospital, McGill University, Montréal, Québec, Canada brent.richards@mcgill.ca.ORCID 0000-0002-3746-9086
Jewish General Hospital · CAErasmus MC · NLKarolinska Institutet · SEUppsala University · SE

Funding

CIHRMedical Research Council MC_PC_17228Medical Research Council MC_QA137853Wellcome Trust
6 · The paper itself

Abstract

objectiveTo determine if genetically increased serum calcium levels are associated with improved bone mineral density and a reduction in osteoporotic fractures.

designMendelian randomisation study.

settingCohorts used included: the UK Biobank cohort, providing genotypic and estimated bone mineral density data; 25 cohorts from UK, USA, Europe, and China, providing genotypic and fracture data; and 17 cohorts from Europe, providing genotypic and serum calcium data (summary level statistics).

participantsA genome-wide association meta-analysis of serum calcium levels in up to 61 079 individuals was used to identify genetic determinants of serum calcium levels. The UK Biobank study was used to assess the association of genetic predisposition to increased serum calcium with estimated bone mineral density derived from heel ultrasound in 426 824 individuals who had, on average, calcium levels in the normal range. A fracture genome-wide association meta-analysis comprising 24 cohorts and the UK Biobank including a total of 76 549 cases and 470 164 controls, who, on average, also had calcium levels in the normal range was then performed.

resultsA standard deviation increase in genetically derived serum calcium (0.13 mmol/L or 0.51 mg/dL) was not associated with increased estimated bone mineral density (0.003 g/cm

conclusionsGenetic predisposition to increased serum calcium levels in individuals with normal calcium levels is not associated with an increase in estimated bone mineral density and does not provide clinically relevant protection against fracture. Whether such predisposition mimics the effect of short term calcium supplementation is not known. Given that the same genetically derived increase in serum calcium is associated with an increased risk of coronary artery disease, widespread calcium supplementation in the general population could provide more risk than benefit.

Indexed as

Genetic Predisposition to DiseaseAdenosine TriphosphatasesBone DensityCalciumDiacylglycerol KinaseFemaleGATA3 Transcription FactorGenome-Wide Association StudyGenotypeHumansMaleMendelian Randomization AnalysisOsteoporotic FracturesPolymorphism, Single NucleotideReceptors, Calcium-SensingRisk AssessmentAdenosine TriphosphatasesCalciumCASR protein, humanCYP24A1 protein, humanDGKD protein, humanDGKK protein, humanDiacylglycerol KinaseGATA3 protein, humanGATA3 Transcription FactorReceptors, Calcium-SensingVitamin D3 24-HydroxylaseVitamin K Epoxide ReductasesVKORC1L1 protein, humanVWA8 protein, human

Identifiers

PMID31371314
PMCPMC6669416
OpenAlexW2965302275

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.