Evidence map›Paper›PMID 34571953›Full record

ArticleCells2021

Mice Lacking the Calcitonin Receptor Do Not Display Improved Bone Healing.

Jessika Appelt, Serafeim Tsitsilonis, Ellen Otto, Denise Jahn, Paul Köhli, Anke Baranowsky, Shan Jiang, Melanie Fuchs, Christian H Bucher, Georg N Duda and 2 more

Open access · goldAbstract read
In one paragraph

Article in Cells, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.5field-weighted citation impact, top 38% 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

6 citing papers in PubMed, 8 citations in OpenAlex.

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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 3 institutions in 1 country.

Jessika AppeltCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0001-6351-9959
Serafeim TsitsilonisCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0002-6529-6864
Ellen OttoCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0001-9394-0066
Denise JahnCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0001-8912-5851
Paul KöhliCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0001-7473-6553
Anke BaranowskyDepartment of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
Shan JiangDepartment of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.ORCID 0000-0002-1545-2152
Melanie FuchsCharité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Hum-boldt-Universität zu Berlin, Center for Musculoskeletal Surgery (CMSC), Augustenburger Platz 1, 13353 Berlin, Germany.
Christian H BucherBerlin Institute of Health at Charité-Universitätsmedizin Berlin, Julius Wolff Institute (JWI), Au-gustenburger Platz 1, 13353 Berlin, Germany.ORCID 0000-0002-3900-088X
Georg N DudaBerlin Institute of Health at Charité-Universitätsmedizin Berlin, Julius Wolff Institute (JWI), Au-gustenburger Platz 1, 13353 Berlin, Germany.
Karl-Heinz FroschDepartment of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
Johannes KellerDepartment of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.ORCID 0000-0002-8925-7288
Humboldt-Universität zu Berlin · DEUniversität Hamburg · DEBerlin Institute of Health at Charité - Universitätsmedizin Berlin · DE

Funding

Else Kröner-Fresenius-Stiftung EKFS 2017_A22
6 · The paper itself

Abstract

Despite significant advances in surgical techniques, treatment options for impaired bone healing are still limited. Inadequate bone regeneration is not only associated with pain, prolonged immobilization and often multiple revision surgeries, but also with high socioeconomic costs, underlining the importance of a detailed understanding of the bone healing process. In this regard, we previously showed that mice lacking the calcitonin receptor (CTR) display increased bone formation mediated through the increased osteoclastic secretion of sphingosine-1-phosphate (S1P), an osteoanabolic molecule promoting osteoblast function. Although strong evidence is now available for the crucial role of osteoclast-to-osteoblast coupling in normal bone hemostasis, the relevance of this paracrine crosstalk during bone regeneration is unknown. Therefore, our study was designed to test whether increased osteoclast-to-osteoblast coupling, as observed in CTR-deficient mice, may positively affect bone repair. In a standardized femoral osteotomy model, global CTR-deficient mice displayed no alteration in radiologic callus parameters. Likewise, static histomorphometry demonstrated moderate impairment of callus microstructure and normal osseous bridging of osteotomy ends. In conclusion, bone regeneration is not accelerated in CTR-deficient mice, and contrary to its osteoanabolic action in normal bone turnover, osteoclast-to-osteoblast coupling specifically involving the CTR-S1P axis, may only be of minor relevance during bone healing.

Indexed as

AnimalsBone and BonesBone Marrow CellsBone RegenerationCell DifferentiationFemaleLysophospholipidsMiceMice, Inbred C57BLOsteoblastsOsteoclastsReceptors, CalcitoninSphingosineSphingosine-1-Phosphate ReceptorsLysophospholipidsReceptors, CalcitoninSphingosinesphingosine 1-phosphateSphingosine-1-Phosphate Receptorsbone repaircalcitonincalcitonin receptorosteoblastsosteoclasts

Identifiers

PMID34571953
PMCPMC8471896
OpenAlexW3196998437

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.