Evidence map›Paper›PMID 28096214›Full record

ArticleDevelopment (Cambridge, England)2017

Cartilage to bone transformation during fracture healing is coordinated by the invading vasculature and induction of the core pluripotency genes.

Diane P Hu, Federico Ferro, Frank Yang, Aaron J Taylor, Wenhan Chang, Theodore Miclau, Ralph S Marcucio, Chelsea S Bahney

Open access · bronzeAbstract read
In one paragraph

Article in Development (Cambridge, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 147 papers.

0numbers the graph read from it
0cells of the map it votes in
147citing papers in PubMed
10.2field-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

147 citing papers in PubMed, 212 citations in OpenAlex.

  1. Review
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  6. Could alteration in the vacuum phenomenon rather than its presence be a sign of spinal instability?European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2026
    Article
  7. Review
  8. Murine Progeria Model Exhibits Delayed Fracture Healing With Senescent Phenotype and Dysregulated Immune Response.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2026
    Article
  9. Stage-resolved geography of mouse skeletal stem cells.Journal of bone and mineral metabolism · 2026
    Review
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87 more citing papers are in PubMed but not listed here.

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

8 authors at 2 institutions in 1 country.

Diane P HuUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA.
Federico FerroUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA.
Frank YangUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA.
Aaron J TaylorUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA.
Wenhan ChangUniversity of California, San Francisco (UCSF) & San Francisco Veterans Affairs Medical Center (VAMC), Department of Medicine, 1700 Owens Street, 4th Floor, San Francisco, CA 94158, USA.
Theodore MiclauUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA.
Ralph S MarcucioUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA Chelsea.Bahney@UCSF.edu Ralph.Marcucio@UCSF.edu.
Chelsea S BahneyUniversity of California, San Francisco (UCSF) & San Francisco General Hospital (SFGH), Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, 2550 23rd Street, Building 9, 3rd Floor, San Francisco, CA 94110, USA Chelsea.Bahney@UCSF.edu Ralph.Marcucio@UCSF.edu.ORCID 0000-0001-9808-8888
San Francisco General Hospital · USSan Francisco VA Medical Center · US

Funding

Engaging University of California Stakeholders for Biorespository ResearchUL1TR000004 · NCATS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GRANDIS, JENNIFER RUBIN · 2012 to 2015
$78.0M
UCSF Core Center for Musculoskeletal Biology and MedicineP30AR066262 · NIAMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI LOTZ, JEFFREY C. · 2014 to 2018
$3.0M
Combined PTH and Calcimimetic Therapy and Its Mechanisms for OsteoanabolismR01AR067291 · NIAMS · NORTHERN CALIFORNIA INSTITUTE/RES/EDU · PI CHANG, WENHAN · 2015 to 2019
$1.7M
Functional roles of muscle in bone repairR01AR057344 · NIAMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MICLAU, THEODORE · 2010 to 2014
$1.7M
Biology of stable and non-stable fracture repairR01AR053645 · NIAMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MICLAU, THEODORE · 2006 to 2010
$1.6M
Tissue engineering application of endochondral ossification for bone regenerationF32AR062469 · NIAMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BAHNEY, CHELSEA SHIELDS · 2012 to 2014
$106k
A novel treatment for bone fracture repairI01BX003453 · VA · VETERANS AFFAIRS MED CTR SAN FRANCISCO · PI CHANG, WENHAN · 2018 to 2021
–
The Role of CaSR and GABA-B-R in Neuronal Responses to Ischemic Brain InjuryI01BX001960 · VA · VETERANS AFFAIRS MED CTR SAN FRANCISCO · PI CHANG, WENHAN · 2013 to 2016
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BLRD VA I01 BX001960BLRD VA I01 BX003453NCATS NIH HHS UL1 TR000004NIAMS NIH HHS F32 AR062469NIAMS NIH HHS P30 AR066262NIAMS NIH HHS R01 AR053645NIAMS NIH HHS R01 AR057344NIAMS NIH HHS R01 AR067291
6 · The paper itself

Abstract

Fractures heal predominantly through the process of endochondral ossification. The classic model of endochondral ossification holds that chondrocytes mature to hypertrophy, undergo apoptosis and new bone forms by invading osteoprogenitors. However, recent data demonstrate that chondrocytes transdifferentiate to osteoblasts in the growth plate and during regeneration, yet the mechanism(s) regulating this process remain unknown. Here, we show a spatially-dependent phenotypic overlap between hypertrophic chondrocytes and osteoblasts at the chondro-osseous border in the fracture callus, in a region we define as the transition zone (TZ). Hypertrophic chondrocytes in the TZ activate expression of the pluripotency factors [Sox2, Oct4 (Pou5f1), Nanog], and conditional knock-out of Sox2 during fracture healing results in reduction of the fracture callus and a delay in conversion of cartilage to bone. The signal(s) triggering expression of the pluripotency genes are unknown, but we demonstrate that endothelial cell conditioned medium upregulates these genes in ex vivo fracture cultures, supporting histological evidence that transdifferentiation occurs adjacent to the vasculature. Elucidating the cellular and molecular mechanisms underlying fracture repair is important for understanding why some fractures fail to heal and for developing novel therapeutic interventions.

Indexed as

AnimalsBone and BonesBony CallusCartilageCells, CulturedCell TransdifferentiationChondrocytesChondrogenesisFracture HealingHumansHuman Umbilical Vein Endothelial CellsMaleMiceMice, Inbred C57BLMice, KnockoutNeovascularization, PhysiologicChondrocyte transformationEndochondral ossificationFracture repairPluripotency programs

Identifiers

PMID28096214
PMCPMC5394763
OpenAlexW2579276054

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.