Evidence map›Paper›PMID 20696945›Full record

ArticleBlood2010

Functional characterization of a 13-bp deletion (c.-1522_-1510del13) in the promoter of the von Willebrand factor gene in type 1 von Willebrand disease.

Maha Othman, Yvette Chirinian, Christine Brown, Colleen Notley, Nicholas Hickson, Daniel Hampshire, Suzanne Buckley, Simon Waddington, Alan L Parker, Andrew Baker and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Blood, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.1field-weighted citation impact, top 22% 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

12 citing papers in PubMed, 36 citations in OpenAlex.

  1. Application of genetic testing for the diagnosis of von Willebrand disease.Journal of thrombosis and haemostasis : JTH · 2024
    Review
  2. Article
  3. Article
  4. Review
  5. Review
  6. The role of von Willebrand factor in thrombotic microangiopathy.Pediatric nephrology (Berlin, Germany) · 2018
    Review
  7. Article
  8. Diagnosing von Willebrand disease: genetic analysis.Hematology. American Society of Hematology. Education Program · 2016
    Review
  9. New insights into genotype and phenotype of VWD.Hematology. American Society of Hematology. Education Program · 2014
    Review
  10. Review
  11. Review
  12. Article
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

12 authors at 6 institutions in 2 countries.

Maha OthmanDepartment of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada.
Yvette Chirinian
Christine Brown
Colleen Notley
Nicholas Hickson
Daniel Hampshire
Suzanne Buckley
Simon Waddington
Alan L Parker
Andrew Baker
Paula James
David Lillicrap
Queen's University · CAUniversity of Sheffield · GBBritish Heart Foundation · GBThe Royal Free Hospital · GBUniversity College London · GBUniversity of Glasgow · GB

Funding

Zimmerman Program for the Molecular and Clinical Biology of VWDP01HL081588 · NHLBI · VERSITI WISCONSIN, INC. · PI MONTGOMERY, ROBERT R · 2005 to 2016
$19.3M
CIHR PO-97849NHLBI NIH HHS HL081588NHLBI NIH HHS P01 HL081588
6 · The paper itself

Abstract

We have studied the effect of a 13-bp deletion in the promoter of the von Willebrand factor (VWF) gene in a patient with type 1 von Willebrand disease. The index case has a VWF:Ag of 0.49 IU/mL and is heterozygous for the deletion. The deletion is located 48 bp 5' of the transcription start site, and in silico analysis, electrophoretic mobility shift assays, and chromatin immunoprecipitation studies all predict aberrant binding of Ets transcription factors to the site of the deletion. Transduction of reporter gene constructs into blood outgrowth endothelial cells showed a 50.5% reduction in expression with the mutant promoter (n = 16, P < .001). A similar 40% loss of transactivation was documented in transduced HepG2 cells. A similar marked reduction of transgene expression was shown in the livers of mice injected with the mutant promoter construct (n = 8, P = .003). Finally, in studies of BOEC mRNA, the index case showed a 4.6-fold reduction of expression of the VWF transcript associated with the deletion mutation. These studies show that the 13-bp deletion mutation alters the binding of Ets (and possibly GATA) proteins to the VWF promoter and significantly reduces VWF expression, thus playing a central pathogenic role in the type 1 von Willebrand disease phenotype in the index case.

Indexed as

Promoter Regions, GeneticSequence DeletionTranscriptional ActivationAnimalsCell LineEndothelial CellsGATA Transcription FactorsHep G2 CellsHumansMiceMice, Inbred BALB CPhenotypeProtein BindingProto-Oncogene Proteins c-etsRNA, MessengerTranscription FactorsGATA Transcription FactorsProto-Oncogene Proteins c-etsRNA, MessengerTranscription Factorsvon Willebrand Factor

Identifiers

PMID20696945
PMCPMC2981484
OpenAlexW2016963097

What OpenQuestion holds

Textmetadata
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.