Evidence map›Paper›PMID 31638597›Full record

ArticleThe Journal of clinical investigation2019

Fracture repair requires TrkA signaling by skeletal sensory nerves.

Zhu Li, Carolyn A Meyers, Leslie Chang, Seungyong Lee, Zhi Li, Ryan Tomlinson, Ahmet Hoke, Thomas L Clemens, Aaron W James

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 176 papers.

0numbers the graph read from it
0cells of the map it votes in
176citing papers in PubMed
8.5field-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

176 citing papers in PubMed, 245 citations in OpenAlex.

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  19. [Bifunctional biomaterials: An innovative strategy for synergistic bone tumor therapy and bone regeneration].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2026
    Review
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116 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

9 authors at 3 institutions in 1 country.

Zhu LiDepartment of Orthopaedics, Johns Hopkins University, Baltimore, Maryland, USA.
Carolyn A MeyersDepartment of Pathology, Johns Hopkins University, Baltimore, Maryland, USA.
Leslie ChangDepartment of Pathology, Johns Hopkins University, Baltimore, Maryland, USA.
Seungyong LeeDepartment of Pathology, Johns Hopkins University, Baltimore, Maryland, USA.
Zhi LiDepartment of Orthopaedics, Johns Hopkins University, Baltimore, Maryland, USA.
Ryan TomlinsonThomas Jefferson University, Philadelphia, Pennsylvania, USA.
Ahmet HokeDepartment of Neuroscience, Johns Hopkins University, Baltimore, Maryland, USA.
Thomas L ClemensDepartment of Orthopaedics, Johns Hopkins University, Baltimore, Maryland, USA.
Aaron W JamesDepartment of Pathology, Johns Hopkins University, Baltimore, Maryland, USA.
Johns Hopkins University · USUnited States Department of Veterans Affairs · USThomas Jefferson University · US

Funding

Training In Orthopaedic Team ScienceT32AR067708 · NIAMS · JOHNS HOPKINS UNIVERSITY · PI JONES, LYNNE C., SHAFIQ, BABAR · 2015 to 2024
$2.0M
Neuronal Regulation of Skeletal Development and RepairR01AR068934 · NIAMS · JOHNS HOPKINS UNIVERSITY · PI CLEMENS, THOMAS L · 2015 to 2019
$1.8M
Direct and indirect contributions of perivascular stem cells to bone healingR01AR070773 · NIAMS · JOHNS HOPKINS UNIVERSITY · PI JAMES, AARON W · 2017 to 2021
$1.4M
NELL-1 isoforms for the systemic treatment of osteoporosisK08AR068316 · NIAMS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI JAMES, AARON W · 2015 to 2019
$534k
Role of sensory nerves in cranial bone repairR21DE027922 · NIDCR · JOHNS HOPKINS UNIVERSITY · PI CLEMENS, THOMAS L, JAMES, AARON W · 2018 to 2019
$450k
BLRD VA IK6 BX004984NIAMS NIH HHS K08 AR068316NIAMS NIH HHS R01 AR068934NIAMS NIH HHS R01 AR070773NIAMS NIH HHS T32 AR067708NIDCR NIH HHS R21 DE027922
6 · The paper itself

Abstract

Bone is richly innervated by nerve growth factor-responsive (NGF-responsive) tropomyosin receptor kinase A-expressing (TrKa-expressing) sensory nerve fibers, which are required for osteochondral progenitor expansion during mammalian skeletal development. Aside from pain sensation, little is known regarding the role of sensory innervation in bone repair. Here, we characterized the reinnervation of tissue following experimental ulnar stress fracture and assessed the impact of loss of TrkA signaling in this process. Sequential histological data obtained in reporter mice subjected to fracture demonstrated a marked upregulation of NGF expression in periosteal stromal progenitors and fracture-associated macrophages. Sprouting and arborization of CGRP+TrkA+ sensory nerve fibers within the reactive periosteum in NGF-enriched cellular domains were evident at time points preceding periosteal vascularization, ossification, and mineralization. Temporal inhibition of TrkA catalytic activity by administration of 1NMPP1 to TrkAF592A mice significantly reduced the numbers of sensory fibers, blunted revascularization, and delayed ossification of the fracture callus. We observed similar deficiencies in nerve regrowth and fracture healing in a mouse model of peripheral neuropathy induced by paclitaxel treatment. Together, our studies demonstrate an essential role of TrkA signaling for stress fracture repair and implicate skeletal sensory nerves as an important upstream mediator of this repair process.

Indexed as

Fracture HealingAnimalsDisease Models, AnimalFractures, BoneFractures, StressGanglia, SpinalGenes, ReporterImaging, Three-DimensionalMaleMiceMice, Inbred C57BLNerve Growth FactorOsteogenesisPeriosteumReceptor, trkASensory Receptor CellsNerve Growth FactorReceptor, trkABone BiologyBone disease

Identifiers

PMID31638597
PMCPMC6877307
OpenAlexW2982125780

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.