Evidence map›Paper›PMID 24058526›Full record

SynthesisPloS one2013

Genome-wide meta-analysis of systolic blood pressure in children with sickle cell disease.

Pallav Bhatnagar, Emily Barron-Casella, Christopher J Bean, Jacqueline N Milton, Clinton T Baldwin, Martin H Steinberg, Michael Debaun, James F Casella, Dan E Arking

Open access · goldAbstract readMeta-Analysis
In one paragraph

Synthesis in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 3 pooled it
1.1field-weighted citation impact, top 24% 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

15 citing papers in PubMed, 3 syntheses or guidelines pooled it, 24 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Article
  5. Article
  6. Article
  7. Article
  8. Biomarker signatures of sickle cell disease severity.Blood cells, molecules & diseases · 2018
    Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Review
  14. Familial aggregation and childhood blood pressure.Current hypertension reports · 2015
    Review
  15. 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 5 institutions in 1 country.

Pallav BhatnagarMcKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America.
Emily Barron-Casella
Christopher J Bean
Jacqueline N Milton
Clinton T Baldwin
Martin H Steinberg
Michael Debaun
James F Casella
Dan E Arking
Boston University · USJohns Hopkins Medicine · USJohns Hopkins University · USCenters for Disease Control and Prevention · USVanderbilt University · US

Funding

Silent Cerebral Infarct Multi-Center Clinical TrialU01NS042804 · NINDS · WASHINGTON UNIVERSITY · PI DEBAUN, MICHAEL R. · 2003 to 2010
$20.7M
Genome-Wide Association Studies in Sickle Cell Anemia and in CentenariansR01HL087681 · NHLBI · BOSTON UNIVERSITY MEDICAL CAMPUS · PI STEINBERG, MARTIN H. · 2007 to 2010
$6.0M
RESEARCH TRAINING IN BLOOD DISEASES AND RESOURCEST32HL007501 · NHLBI · BOSTON UNIVERSITY MEDICAL CAMPUS · PI LERNER, ADAM, STEINBERG, MARTIN H. · 1985 to 2018
$5.4M
Sickle cell scholar componentU54HL090515 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI CASELLA, JAMES F · 2008 to 2011
$3.8M
Genetic Diversity of Sickle Cell AnemiaRC2HL101212 · NHLBI · BOSTON UNIVERSITY MEDICAL CAMPUS · PI STEINBERG, MARTIN H. · 2009 to 2010
$3.0M
Longitudinal SIT Trial Plasma Proteomic Biomarker Discovery and Validation in SCIR01HL091759 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI CASELLA, JAMES F · 2008 to 2011
$1.6M
NHLBI NIH HHS 5R01HL091759NHLBI NIH HHS 5T32 HL007501NHLBI NIH HHS R01 HL087681NHLBI NIH HHS R01 HL091759NHLBI NIH HHS R01 HL 87681NHLBI NIH HHS RC2 HL 101212NHLBI NIH HHS RC2 HL101212NHLBI NIH HHS T32 HL007501NHLBI NIH HHS U54 HL090515NHLBI NIH HHS U54HL090515NINDS NIH HHS NIH-NINDS 5U01-NS042804-03).NINDS NIH HHS U01 NS042804PHS HHS R01 068970
6 · The paper itself

Abstract

In pediatric sickle cell disease (SCD) patients, it has been reported that higher systolic blood pressure (SBP) is associated with increased risk of a silent cerebral infarction (SCI). SCI is a major cause of neurologic morbidity in children with SCD, and blood pressure is a potential modulator of clinical manifestations of SCD; however, the risk factors underlying these complications are not well characterized. The aim of this study was to identify genetic variants that influence SBP in an African American population in the setting of SCD, and explore the use of SBP as an endo-phenotype for SCI. We conducted a genome-wide meta-analysis for SBP using two SCD cohorts, as well as a candidate screen based on published SBP loci. A total of 1,617 patients were analyzed, and while no SNP reached genome-wide significance (P-value<5.0 x 10(-8)), a number of suggestive candidate loci were identified. The most significant SNP, rs7952106 (P-value=8.57 x 10(-7)), was in the DRD2 locus on chromosome 11. In a gene-based association analysis, MIR4301 (micro-RNA4301), which resides in an intron of DRD2, was the most significant gene (P-value=5.2 x 10(-5)). Examining 27 of the previously reported SBP associated SNPs, 4 SNPs were nominally significant. A genetic risk score was constructed to assess the aggregated genetic effect of the published SBP variants, demonstrating a significant association (P=0.05). In addition, we also assessed whether these variants are associated with SCI, validating the use of SBP as an endo-phenotype for SCI. Three SNPs were nominally associated, and only rs2357790 (5' CACNB2) was significant for both SBP and SCI. None of these SNPs retained significance after Bonferroni correction. Taken together, our results suggest the importance of DRD2 genetic variation in the modulation of SBP, and extend the aggregated importance of previously reported SNPs in the modulation of SBP in an African American cohort, more specifically in children with SCD.

Indexed as

Blood PressureGenetic Predisposition to DiseasePolymorphism, Single NucleotideAdolescentAnemia, Sickle CellBlack or African AmericanCerebral InfarctionChildFemaleGenetic LociGenome-Wide Association StudyHumansHypertensionMalePhenotypeRisk Factors

Identifiers

PMID24058526
PMCPMC3772989
OpenAlexW1996537764

What OpenQuestion holds

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LicenceCC0
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.