Evidence map›Paper›PMID 30701682›Full record

ArticleJournal of biophotonics2019

Differential responses of myoblasts and myotubes to photobiomodulation are associated with mitochondrial number.

Hannah J Serrage, Sophie Joanisse, Paul R Cooper, William Palin, Mohammed Hadis, Owen Darch, Andrew Philp, Mike R Milward

Abstract read
In one paragraph

Article in Journal of biophotonics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Article
  6. Photobiomodulation in 3D tissue engineering.Journal of biomedical optics · 2022
    Article
  7. Article
  8. Revisiting the role of mitochondria in spinal muscular atrophy.Cellular and molecular life sciences : CMLS · 2021
    Review
  9. Article
  10. Under the spotlight: mechanisms of photobiomodulation concentrating on blue and green light.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2019
    Article
  11. 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

8 authors.

Hannah J SerrageSchool of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK.ORCID 0000-0002-4995-6076
Sophie JoanisseSchool of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.
Paul R CooperSchool of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK.
William PalinSchool of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK.
Mohammed HadisSchool of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK.
Owen DarchPhilips Research, Eindhoven, The Netherlands.
Andrew PhilpSchool of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.
Mike R MilwardSchool of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK.

Funding

Engineering and Physical Sciences Research CouncilMedical Research Council MC_PC_17183
6 · The paper itself

Abstract

objectivePhotobiomodulation (PBM) is the application of light to promote tissue healing. Current indications suggest PBM induces its beneficial effects in vivo through upregulation of mitochondrial activity. However, how mitochondrial content influences such PBM responses have yet to be evaluated. Hence, the current study assessed the biological response of cells to PBM with varying mitochondrial contents.

methodsDNA was isolated from myoblasts and myotubes (differentiated myoblasts), and mitochondrial DNA (mtDNA) was amplified and quantified using a microplate assay. Cells were seeded in 96-wellplates, incubated overnight and subsequently irradiated using a light-emitting diode array (400, 450, 525, 660, 740, 810, 830 and white light, 24 mW/cm

resultsMyotubes exhibited mtDNA levels 86% greater than myoblasts (P < 0.001). Irradiation of myotubes at 400, 450 or 810 nm induced 53%, 29% and 47% increases (relative to non-irradiated control) in maximal respiratory rates, respectively (P < 0.001). Conversely, irradiation of myoblasts at 400 or 450 nm had no significant effect on maximal respiratory rates.

conclusionThis study suggests that mitochondrial content may influence cellular responses to PBM and as such explain the variability of PBM responses seen in the literature.

Indexed as

Low-Level Light TherapyAnimalsCell LineMiceMitochondriaMitochondrial SizeMuscle Fibers, SkeletalMyoblastslow-level laser therapylow-level light therapymitochondriamyogenesisphotobiomodulation

Identifiers

PMID30701682
PMCPMC7065641

What OpenQuestion holds

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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.