Evidence map›Paper›PMID 25688541›Full record

ArticleJournal of biomedical optics2015

Gentamicin differentially alters cellular metabolism of cochlear hair cells as revealed by NAD(P)H fluorescence lifetime imaging.

Lyandysha V Zholudeva, Kristina G Ward, Michael G Nichols, Heather Jensen Smith

Open access · hybridAbstract read
In one paragraph

Article in Journal of biomedical optics, 2015. 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
1.2field-weighted citation impact, top 26% 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, 15 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Inhibition of Gpx4-mediated ferroptosis alleviates cisplatin-induced hearing loss in C57BL/6 mice.Molecular therapy : the journal of the American Society of Gene Therapy · 2024
    Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Establishment of a Gentamicin Cochlear Poisoning Model in Guinea Pigs and Cochlear Nerve Endings Recognition of Ultrasound Signals.Medical science monitor : international medical journal of experimental and clinical research · 2018
    Article
  10. 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

4 authors at 2 institutions in 1 country.

Lyandysha V ZholudevaDrexel University, Department of Neurobiology and Anatomy, 2900 West Queen Lane, Philadelphia, Pennsylvania 19129, United States.
Kristina G WardCreighton University, Department of Physics, 2500 California Plaza, Omaha, Nebraska 68178, United States.
Michael G NicholsCreighton University, Department of Physics, 2500 California Plaza, Omaha, Nebraska 68178, United StatescCreighton University, Department of Biomedical Sciences, 2500 California Plaza, Omaha, Nebraska 68178, United States.
Heather Jensen SmithCreighton University, Department of Biomedical Sciences, 2500 California Plaza, Omaha, Nebraska 68178, United States.
Creighton University · USDrexel University · US

Funding

UNMC Histology/Imaging and Creighton University Imaging Core FacilityP30GM110768 · NIGMS · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI SMITH, SHELLEY D · 2014 to 2018
$5.1M
The Molecular Biology of Neurosurgery SystemsP20GM103471 · NIGMS · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI SMITH, SHELLEY D · 2012 to 2013
$4.1M
Replacing an Animal Resource Facility Cage Washer.G20RR024001 · NCRR · CREIGHTON UNIVERSITY · PI DRESCHER, KRISTEN · 2007 to 2007
$638k
Impact of endogenous metabolic biases on ototoxic oxidative damageR03DC012109 · NIDCD · CREIGHTON UNIVERSITY · PI JENSEN-SMITH, HEATHER COLLEEN · 2012 to 2014
$426k
Comparison of NADH FLIM and Intensity Imaging to Assess Cellular EnergeticsR15GM085776 · NIGMS · CREIGHTON UNIVERSITY · PI NICHOLS, MICHAEL G · 2008 to 2008
$217k
NCRR NIH HHS G20 RR024001NCRR NIH HHS G20RR024001NIDCD NIH HHS R03 DC012109NIDCD NIH HHS R03DC012109NIGMS NIH HHS 8P20GM103471-09NIGMS NIH HHS P20 GM103471NIGMS NIH HHS P20GM103471NIGMS NIH HHS P30 GM110768NIGMS NIH HHS R15 GM085776NIGMS NIH HHS R15GM085776
6 · The paper itself

Abstract

Aminoglycoside antibiotics are implicated as culprits of hearing loss in more than 120,000 individuals annually. Research has shown that the sensory cells, but not supporting cells, of the cochlea are readily damaged and/or lost after use of such antibiotics. High-frequency outer hair cells (OHCs) show a greater sensitivity to antibiotics than high- and low-frequency inner hair cells (IHCs). We hypothesize that variations in mitochondrial metabolism account for differences in susceptibility. Fluorescence lifetime microscopy was used to quantify changes in NAD(P)H in sensory and supporting cells from explanted murine cochleae exposed to mitochondrial uncouplers, inhibitors, and an ototoxic antibiotic, gentamicin (GM). Changes in metabolic state resulted in a redistribution of NAD(P)H between subcellular fluorescence lifetime pools. Supporting cells had a significantly longer lifetime than sensory cells. Pretreatment with GM increased NAD(P)H intensity in high-frequency sensory cells, as well as the NAD(P)H lifetime within IHCs. GM specifically increased NAD(P)H concentration in high-frequency OHCs, but not in IHCs or pillar cells. Variations in NAD(P)H intensity in response to mitochondrial toxins and GM were greatest in high-frequency OHCs. These results demonstrate that GM rapidly alters mitochondrial metabolism, differentially modulates cell metabolism, and provides evidence that GM-induced changes in metabolism are significant and greatest in high-frequency OHCs.

Indexed as

AcousticsAminoglycosidesAnimalsAnti-Bacterial AgentsCochleaGentamicinsHair Cells, Auditory, OuterMiceMicroscopy, FluorescenceMitochondriaNADPOptical ImagingSoundAminoglycosidesAnti-Bacterial AgentsGentamicinsNADP

Identifiers

PMID25688541
PMCPMC4405084
OpenAlexW2091732412

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.