Evidence map›Paper›PMID 28440317›Full record

ArticleScientific reports2017

Live cell imaging of mitochondria following targeted irradiation in situ reveals rapid and highly localized loss of membrane potential.

Dietrich W M Walsh, Christian Siebenwirth, Christoph Greubel, Katarina Ilicic, Judith Reindl, Stefanie Girst, Giovanna Muggiolu, Marina Simon, Philippe Barberet, Hervé Seznec and 4 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing 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

27 citing papers in PubMed, 56 citations in OpenAlex.

  1. Review
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  6. Curcumin piperidone derivatives induce caspase-dependent apoptosis and suppress miRNA-21 expression in LN-18 human glioblastoma cells.Genes and environment : the official journal of the Japanese Environmental Mutagen Society · 2024
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  17. A Multiparametric Study of Internalization of Fullerenol CInternational journal of molecular sciences · 2020
    Article
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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

14 authors at 4 institutions in 2 countries.

Dietrich W M WalshUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Christian SiebenwirthUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Christoph GreubelUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Katarina IlicicKlinikum rechts der Isar, Technische Universität München, D-81675 München, Germany.
Judith ReindlUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Stefanie GirstUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Giovanna MuggioluUniversité de Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Chemin du Solarium, 33175 Gradignan, France.
Marina SimonUniversité de Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Chemin du Solarium, 33175 Gradignan, France.
Philippe BarberetUniversité de Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Chemin du Solarium, 33175 Gradignan, France.
Hervé SeznecUniversité de Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Chemin du Solarium, 33175 Gradignan, France.
Hans ZischkaInstitute of Molecular Toxicology and Pharmacology, Helmholtz Center Munich, German Research Center for Environmental Health, D-85764 Neuherberg, Germany.
Gabriele MulthoffKlinikum rechts der Isar, Technische Universität München, D-81675 München, Germany.
Thomas E SchmidKlinikum rechts der Isar, Technische Universität München, D-81675 München, Germany.
Guenther DollingerUniversität der Bundeswehr München, Institut für Angewandte Physik und Messtechnik, D-85577 Neubiberg, Germany.
Universität der Bundeswehr München · DELaboratoire de Physique des deux infinis Bordeaux · FRKlinikum rechts der Isar · DEHelmholtz Zentrum München · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The reliance of all cell types on the mitochondrial function for survival makes mitochondria an interesting target when trying to understand their role in the cellular response to ionizing radiation. By harnessing highly focused carbon ions and protons using microbeams, we have performed in situ live cell imaging of the targeted irradiation of individual mitochondria stained with Tetramethyl rhodamine ethyl ester (TMRE), a cationic fluorophore which accumulates electrophoretically in polarized mitochondria. Targeted irradiation with both carbon ions and protons down to beam spots of <1 μm induced a near instant loss of mitochondrial TMRE fluorescence signal in the targeted area. The loss of TMRE after targeted irradiation represents a radiation induced change in mitochondrial membrane potential. This is the first time such mitochondrial responses have been documented in situ after targeted microbeam irradiation. The methods developed and the results obtained have the ability to shed new light on not just mitochondria's response to radiation but to further elucidate a putative mechanism of radiation induced depolarization and mitochondrial response.

Indexed as

Membrane Potential, MitochondrialProtonsA549 CellsFluorescent DyesHumansImage Processing, Computer-AssistedMCF-7 CellsMicroscopy, FluorescenceMitochondriaOrganometallic CompoundsStaining and LabelingFluorescent DyesOrganometallic CompoundsProtonstetramethyl rhodamine ethyl ester

Identifiers

PMID28440317
PMCPMC5404225
OpenAlexW2609147126

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.