Evidence map›Paper›PMID 37996914›Full record

ArticleJournal of biological engineering2023

Discrimination between the effects of pulsed electrical stimulation and electrochemically conditioned medium on human osteoblasts.

Meike Bielfeldt, Kai Budde-Sagert, Nikolai Weis, Maren Buenning, Susanne Staehlke, Julius Zimmermann, Nils Arbeiter, Sahba Mobini, María Ujué González, Henrike Rebl and 3 more

Open access · goldAbstract read
In one paragraph

Article in Journal of biological engineering, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

11 citing papers in PubMed, 17 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

13 authors at 2 institutions in 2 countries.

Meike BielfeldtInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany. meike.bielfeldt@med.uni-rostock.de.ORCID https://orcid.org/0000-0003-4200-4934
Kai Budde-SagertInstitute of Communications Engineering, University of Rostock, 18051, Rostock, Germany.ORCID https://orcid.org/0000-0001-6836-9865
Nikolai WeisInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany.ORCID https://orcid.org/0009-0001-6985-2960
Maren BuenningInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany.ORCID https://orcid.org/0009-0001-9033-1801
Susanne StaehlkeInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany.ORCID https://orcid.org/0000-0002-0251-8263
Julius ZimmermannInstitute of General Electrical Engineering, University of Rostock, 18051, Rostock, Germany.ORCID https://orcid.org/0000-0003-1486-0426
Nils ArbeiterInstitute of General Electrical Engineering, University of Rostock, 18051, Rostock, Germany.ORCID https://orcid.org/0009-0006-9072-6121
Sahba MobiniInstituto de Micro y Nanotecnología, IMN-CNM, CSIC (CEI UAM+CSIC), Isaac Newton 8, E-28760 Tres Cantos, Madrid, Spain.ORCID https://orcid.org/0000-0003-2756-8694
María Ujué GonzálezInstituto de Micro y Nanotecnología, IMN-CNM, CSIC (CEI UAM+CSIC), Isaac Newton 8, E-28760 Tres Cantos, Madrid, Spain.ORCID https://orcid.org/0000-0001-7012-0049
Henrike ReblInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany.ORCID https://orcid.org/0000-0001-6000-1724
Adelinde UhrmacherInstitute for Visual and Analytic Computing, University of Rostock, 18051, Rostock, Germany.ORCID https://orcid.org/0000-0001-5256-4682
Ursula van RienenInstitute of General Electrical Engineering, University of Rostock, 18051, Rostock, Germany.ORCID https://orcid.org/0000-0003-1042-2058
Barbara NebeInstitute for Cell Biology, Rostock University Medical Center, 18057, Rostock, Germany.ORCID https://orcid.org/0000-0003-2662-0905
University of Rostock · DEInstitute of Micro and Nanotechnology · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundElectrical stimulation is used for enhanced bone fracture healing. Electrochemical processes occur during the electrical stimulation at the electrodes and influence cellular reactions. Our approach aimed to distinguish between electrochemical and electric field effects on osteoblast-like MG-63 cells. We applied 20 Hz biphasic pulses via platinum electrodes for 2 h. The electrical stimulation of the cell culture medium and subsequent application to cells was compared to directly stimulated cells. The electric field distribution was predicted using a digital twin.

resultsCyclic voltammetry and electrochemical impedance spectroscopy revealed partial electrolysis at the electrodes, which was confirmed by increased concentrations of hydrogen peroxide in the medium. While both direct stimulation and AC-conditioned medium decreased cell adhesion and spreading, only the direct stimulation enhanced the intracellular calcium ions and reactive oxygen species.

conclusionThe electrochemical by-product hydrogen peroxide is not the main contributor to the cellular effects of electrical stimulation. However, undesired effects like decreased adhesion are mediated through electrochemical products in stimulated medium. Detailed characterisation and monitoring of the stimulation set up and electrochemical reactions are necessary to find safe electrical stimulation protocols.

Indexed as

Alternating currentCalcium ionsElectrical stimulationOsteoblastsROS

Identifiers

PMID37996914
PMCPMC10668359
OpenAlexW4388941891

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.