Evidence map›Paper›PMID 26452793›Full record

ArticleTalanta2015

Highly sensitive isotope-dilution liquid-chromatography-electrospray ionization-tandem-mass spectrometry approach to study the drug-mediated modulation of dopamine and serotonin levels in Caenorhabditis elegans.

Fabian Schumacher, Sudipta Chakraborty, Burkhard Kleuser, Erich Gulbins, Tanja Schwerdtle, Michael Aschner, Julia Bornhorst

Abstract read
In one paragraph

Article in Talanta, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.5field-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

7 citing papers in PubMed, 27 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

7 authors at 4 institutions in 2 countries.

Fabian SchumacherDepartment of Toxicology, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; Department of Molecular Biology, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany.
Sudipta ChakrabortyNeuroscience Graduate Program, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Molecular Pharmacology, Neuroscience, and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA.
Burkhard KleuserDepartment of Toxicology, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
Erich GulbinsDepartment of Molecular Biology, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany.
Tanja SchwerdtleDepartment of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
Michael AschnerDepartment of Molecular Pharmacology, Neuroscience, and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA.
Julia BornhorstDepartment of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany. Electronic address: julia.bornhorst@uni-potsdam.de.
University of Potsdam · DEUniversity of Duisburg-Essen · DEAlbert Einstein College of Medicine · USVanderbilt University Medical Center · US

Funding

Mechanisms of Manganese NeurotoxicityR01ES010563 · NIEHS · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI Michael Aschner, Aaron B Bowman · 2001 to 2026
$11.9M
Mechanisms of Methylmercury Induced Neuron ToxicityR01ES007331 · NIEHS · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI Michael Aschner, Aaron B Bowman · 1996 to 2026
$10.6M
Enhancing and expanding the CGC Strain CollectionP40OD010440 · OD · UNIVERSITY OF MINNESOTA · PI Aric L Daul, Ann E. Rougvie · 2012 to 2026
$7.5M
NIEHS NIH HHS R01 ES007331NIEHS NIH HHS R01 ES010563NIEHS NIH HHS R01ES07331NIEHS NIH HHS R01ES10563NIH HHS P40 OD010440
6 · The paper itself

Abstract

Dopamine (DA) and serotonin (SRT) are monoamine neurotransmitters that play a key role in regulating the central and peripheral nervous system. Their impaired metabolism has been implicated in several neurological disorders, such as Parkinson's disease and depression. Consequently, it is imperative to monitor changes in levels of these low-abundant neurotransmitters and their role in mediating disease. For the first time, a rapid, specific and sensitive isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the quantification of DA and SRT in the nematode Caenorhabditis elegans (C. elegans). This model organism offers a unique approach for studying the effect of various drugs and environmental conditions on neurotransmitter levels, given by the conserved DA and SRT biology, including synaptic release, trafficking and formation. We introduce a novel sample preparation protocol incorporating the usage of sodium thiosulfate in perchloric acid as extraction medium that assures high recovery of the relatively unstable neurotransmitters monitored. Moreover, the use of both deuterated internal standards and the multiple reaction monitoring (MRM) technique allows for unequivocal quantification. Thereby, to the best of our knowledge, we achieve a detection sensitivity that clearly exceeds those of published DA and SRT quantification methods in various matrices. We are the first to show that exposure of C. elegans to the monoamine oxidase B (MAO-B) inhibitor selegiline or the catechol-O-methyltransferase (COMT) inhibitor tolcapone, in order to block DA and SRT degradation, resulted in accumulation of the respective neurotransmitter. Assessment of a behavioral output of the dopaminergic system (basal slowing response) corroborated the analytical LC-MS/MS data. Thus, utilization of the C. elegans model system in conjunction with our analytical method is well-suited to investigate drug-mediated modulation of the DA and SRT system in order to identify compounds with neuroprotective or regenerative properties.

Indexed as

AnimalsBenzophenonesCaenorhabditis elegansCatechol O-Methyltransferase InhibitorsChromatography, High Pressure LiquidDeuteriumDopamineLimit of DetectionMonoamine Oxidase InhibitorsNitrophenolsSelegilineSerotoninSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryTime FactorsTolcaponeBenzophenonesCatechol O-Methyltransferase InhibitorsDeuteriumDopamineMonoamine Oxidase InhibitorsNitrophenolsSelegilineSerotoninTolcaponeCaenorhabditis elegansDopamineIsotope-dilution analysisLiquid chromatography-tandem mass spectrometrySerotonin

Identifiers

PMID26452793
PMCPMC4600537
OpenAlexW392421707

What OpenQuestion holds

Textmetadata
LicenceTDM
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.