Evidence map›Paper›PMID 33104929›Full record

ArticleClinical oral investigations2021

The effect of polyethylenglycol gel on the delivery and osteogenic differentiation of homologous tooth germ-derived stem cells in a porcine model.

Mustafa Ramazanoglu, Tobias Moest, Pınar Ercal, Zacharias Polyviou, Katharina Herrmann, Gorke Gurel Pekozer, Aart Molenberg, Rainer Lutz, Gamze Torun Kose, Friedrich Wilhelm Neukam and 1 more

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Article in Clinical oral investigations, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.3field-weighted citation impact, top 42% 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

2 citing papers in PubMed, 4 citations in OpenAlex.

  1. Review
  2. Review
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

11 authors at 6 institutions in 3 countries.

Mustafa RamazanogluIstanbul Universitesi Dis Hekimligi Fak., Faculty of Dentistry, Department of Oral Surgery, Istanbul University, Prof. Dr. Cavit Orhan Tütengil Sokak.No.4 Vezneciler-Fatih-, 34093, Istanbul, Turkey. mustafar@istanbul.edu.tr.ORCID http://orcid.org/0000-0001-8185-6457
Tobias MoestDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Pınar ErcalFaculty of Dentistry, Department of Oral Surgery, Istanbul Altinbas University, 34217, Istanbul, Turkey.
Zacharias PolyviouDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Katharina HerrmannDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Gorke Gurel PekozerFaculty of Electrical and Electronics Engineering, Department of Biomedical Engineering, Yıldız Technical University, 34349, Istanbul, Turkey.
Aart MolenbergInstitut Straumann AG, Peter Merian-Weg 12, 4002, Basel, Switzerland.
Rainer LutzDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Gamze Torun KoseFaculty of Engineering, Department of Genetics and Bioengineering, Yeditepe University, 34755, Istanbul, Turkey.
Friedrich Wilhelm NeukamDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Karl Andreas SchlegelDepartment of Oral and Maxillofacial Surgery, University of Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.
Friedrich-Alexander-Universität Erlangen-Nürnberg · DEAltınbaş University · TRIstanbul University · TRStraumann (Switzerland) · CHYeditepe University · TRYıldız Technical University · TR

Funding

International Team for Implantology 750-2011
6 · The paper itself

Abstract

objectivesThe aim of this study was to investigate if bone regeneration can be promoted by homologous transplantation of STRO-1 sorted (STRO-1+) porcine tooth germ mesenchymal stem cells (TGSCs) with the combination of polyethylenglycol (PEG)-based hydrogel and biphasic calcium phosphate (BCP) scaffolds. MATERIAL AND

methodsTGSCs were isolated from impacted third molars of domestic pigs. Nine critical-sized defects were created as (1) untreated defect; filled with (2) autogenous bone; (3) BCP + PEG; (4) BCP + PEG + unsorted TGSCs; (5) BCP + unsorted TGSCs; (6) BCP + PEG + STRO-1-sorted TGSCs; (7) BCP + STRO-1-sorted TGSCs; (8) BCP + PEG + osteogenic induced unsorted TGSCs; and (9) BCP + PEG + osteogenic induced STRO-1-sorted TGSCs in 20 domestic pigs. CM-DiI labelling was used to track cells in vivo. Histomorphometric assessment of new bone formation was achieved by toluidine blue O staining and microradiography after 1, 2, 4 and 12 weeks posttransplantation.

resultsComplete healing was achieved in all defects although defects with PEG hydrogel presented better bone formation while STRO-1+ and unsorted TGSCs showed similar ability to form new bone after 12 weeks. Transplanted cells were seen in defects where PEG hydrogel was used as carriers in contrast to defects treated with cells and only bone grafts.

conclusionsPEG hydrogel is an efficient carrier for homologous stem cell transplantation. TGSCs are capable of promoting bone healing in critical-sized defects in combination with bone graft and PEG hydrogel. CLINICAL RELEVANCE: This study provides information about the importance of the delivery vehicle for future translational stem cell delivery approaches.

Indexed as

HydroxyapatitesOsteogenesisAnimalsBone RegenerationCell DifferentiationStem CellsSwineTooth GermHydroxyapatitesBone regenerationMesenchymal stem cellsPolyethylenglycol hydrogelTissue scaffoldsTooth germ

Identifiers

PMID33104929
OpenAlexW3094080232

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.