Evidence map›Paper›PMID 25536054›Full record

ArticlePloS one2014

Role of calcitonin gene-related peptide in functional adaptation of the skeleton.

Susannah J Sample, Caitlin M Heaton, Mary Behan, Jason A Bleedorn, Molly A Racette, Zhengling Hao, Peter Muir

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 26% 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Methodological aspects ofJournal of musculoskeletal & neuronal interactions · 2023
    Pooled it
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  5. Review
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  10. Fracture repair requires TrkA signaling by skeletal sensory nerves.The Journal of clinical investigation · 2019
    Article
  11. Article
  12. Article
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  14. NGF-TrkA signaling in sensory nerves is required for skeletal adaptation to mechanical loads in mice.Proceedings of the National Academy of Sciences of the United States of America · 2017
    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

7 authors at 1 institution in 1 country.

Susannah J SampleComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Caitlin M HeatonComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Mary BehanDepartment of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Jason A BleedornComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Molly A RacetteComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Zhengling HaoComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
Peter MuirComparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
University of Wisconsin–Madison · US

Funding

Comparative Biomedical Sciences Training ProgramT32OD010423 · OD · UNIVERSITY OF WISCONSIN-MADISON · PI Marulasiddappa Suresh · 2012 to 2026
$5.0M
Comparative Biomedical Sciences Training ProgramT32RR023916 · NCRR · UNIVERSITY OF WISCONSIN-MADISON · PI CZUPRYNSKI, CHARLES JOSEPH · 2007 to 2011
$1.2M
Short-Term Research Training of Veterinary Students in WisconsinT35OD011078 · OD · UNIVERSITY OF WISCONSIN-MADISON · PI BJORLING, DALE EDMOND, JORGENSEN, JOAN S · 2012 to 2025
$1.0M
NCRR NIH HHS T32 RR023916NIH HHS T32 OD010423NIH HHS T35 OD011078
6 · The paper itself

Abstract

Peptidergic sensory nerve fibers innervating bone and periosteum are rich in calcitonin gene-related peptide (CGRP), an osteoanabolic neurotransmitter. There are two CGRP isoforms, CGRPα and CGRPβ. Sensory fibers are a potential means by which the nervous system may detect and respond to loading events within the skeleton. However, the functional role of the nervous system in the response of bone to mechanical loading is unclear. We used the ulna end-loading model to induce an adaptive modeling response in CGRPα and CGRPβ knockout mouse lines and their respective wildtype controls. For each knockout mouse line, groups of mice were treated with cyclic loading or sham-loading of the right ulna. A third group of mice received brachial plexus anesthesia (BPA) of the loaded limb before mechanical loading. Fluorochrome labels were administered at the time of loading and 7 days later. Ten days after loading, bone responses were quantified morphometrically. We hypothesized that CGRP signaling is required for normal mechanosensing and associated load-induced bone formation. We found that mechanically-induced activation of periosteal mineralizing surface in mice and associated blocking with BPA were eliminated by knockout of CGRPα signaling. This effect was not evident in CGRPβ knockout mice. We also found that mineral apposition responses to mechanical loading and associated BPA blocking were retained with CGRPα deletion. We conclude that activation of periosteal mineralizing surfaces in response to mechanical loading of bone is CGRPα-dependent in vivo. This suggests that release of CGRP from sensory peptidergic fibers in periosteum and bone has a functional role in load-induced bone formation.

Indexed as

Adaptation, PhysiologicalAnalysis of VarianceAnimalsBiomechanical PhenomenaBone and BonesBone DensityCalcification, PhysiologicCalcitonin Gene-Related PeptideFluorescent DyesMice, Inbred C57BLMice, KnockoutOsteogenesisPeriosteumSignal TransductionUlnaWeight-BearingCalcitonin Gene-Related PeptideFluorescent Dyes

Identifiers

PMID25536054
PMCPMC4275203
OpenAlexW1996715250

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.