Evidence map›Paper›PMID 27355534›Full record

ArticleThe New England journal of medicine2016

Cortical-Bone Fragility--Insights from sFRP4 Deficiency in Pyle's Disease.

Pelin O Simsek Kiper, Hiroaki Saito, Francesca Gori, Sheila Unger, Eric Hesse, Kei Yamana, Riku Kiviranta, Nicolas Solban, Jeff Liu, Robert Brommage and 14 more

Open access · greenAbstract readCase Reports
In one paragraph

Article in The New England journal of medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing papers in PubMed
10.4field-weighted citation impact, top 1% 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

82 citing papers in PubMed, 147 citations in OpenAlex.

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  18. The Intricacies of Renal Phosphate Reabsorption-An Overview.International journal of molecular sciences · 2024
    Review
  19. Article
  20. Sfrp4 is required to maintain Ctsk-lineage periosteal stem cell niche function.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article

22 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

24 authors.

Pelin O Simsek Kiper *
Hiroaki Saito *
Francesca Gori *
Sheila Unger
Eric Hesse
Kei Yamana
Riku Kiviranta
Nicolas Solban
Jeff Liu
Robert Brommage
Koray Boduroglu
Luisa Bonafé
Belinda Campos-Xavier
Esra Dikoglu
Richard Eastell
Fatma Gossiel
Keith Harshman
Gen Nishimura
Katta M Girisha
Brian J Stevenson
Hiroyuki Takita
Carlo Rivolta
Andrea Superti-Furga *
Roland Baron *

Funding

R-Spondin3 as a target for anabolic bone therapyR01AR064724 · NIAMS · HARVARD MEDICAL SCHOOL · PI BARON, ROLAND E · 2014 to 2018
$2.7M
Medical Research Council MR/K006312/1NIAMS NIH HHS R01 AR064724NIAMS NIH HHS R01AR064724
6 · The paper itself

Abstract

backgroundCortical-bone fragility is a common feature in osteoporosis that is linked to nonvertebral fractures. Regulation of cortical-bone homeostasis has proved elusive. The study of genetic disorders of the skeleton can yield insights that fuel experimental therapeutic approaches to the treatment of rare disorders and common skeletal ailments.

methodsWe evaluated four patients with Pyle's disease, a genetic disorder that is characterized by cortical-bone thinning, limb deformity, and fractures; two patients were examined by means of exome sequencing, and two were examined by means of Sanger sequencing. After a candidate gene was identified, we generated a knockout mouse model that manifested the phenotype and studied the mechanisms responsible for altered bone architecture.

resultsIn all affected patients, we found biallelic truncating mutations in SFRP4, the gene encoding secreted frizzled-related protein 4, a soluble Wnt inhibitor. Mice deficient in Sfrp4, like persons with Pyle's disease, have increased amounts of trabecular bone and unusually thin cortical bone, as a result of differential regulation of Wnt and bone morphogenetic protein (BMP) signaling in these two bone compartments. Treatment of Sfrp4-deficient mice with a soluble Bmp2 receptor (RAP-661) or with antibodies to sclerostin corrected the cortical-bone defect.

conclusionsOur study showed that Pyle's disease was caused by a deficiency of sFRP4, that cortical-bone and trabecular-bone homeostasis were governed by different mechanisms, and that sFRP4-mediated cross-regulation between Wnt and BMP signaling was critical for achieving proper cortical-bone thickness and stability. (Funded by the Swiss National Foundation and the National Institutes of Health.).

Indexed as

AdolescentAnimalsBiomarkersBone and BonesBone DensityBone Morphogenetic ProteinsBone RemodelingChild, PreschoolDisease Models, AnimalFemaleGene DeletionHomeostasisHumansMaleMiceMice, KnockoutBiomarkersBone Morphogenetic ProteinsProto-Oncogene ProteinsSecreted Frizzled-Related ProteinsSFRP4 protein, humanSfrp4 protein, mouseWnt Proteins

Identifiers

PMID27355534
PMCPMC5070790
OpenAlexW2475138245

What OpenQuestion holds

Textmetadata
LicenceTDM
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.