Evidence map›Paper›PMID 25117542›Full record

ArticleNeurotoxicology2014

Subacute manganese exposure in rats is a neurochemical model of early manganese toxicity.

Stefanie L O'Neal, Jang-Won Lee, Wei Zheng, Jason R Cannon

Open access · greenAbstract read
In one paragraph

Article in Neurotoxicology, 2014. 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
3.3field-weighted citation impact, top 9% 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, 52 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. MR T1 mapping for quantifying brain manganese deposition in type C hepatic encephalopathy rats.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2021
    Article
  12. Article
  13. Involvement of MEK5/ERK5 signaling pathway in manganese-induced cell injury in dopaminergic MN9D cells.Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2020
    Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Subchronic Manganese Exposure Impairs Neurogenesis in the Adult Rat Hippocampus.Toxicological sciences : an official journal of the Society of Toxicology · 2018
    Article
  19. Article
  20. 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 1 institution in 1 country.

Stefanie L O'NealSchool of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
Jang-Won LeeSchool of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
Wei ZhengSchool of Health Sciences, Purdue University, West Lafayette, IN 47907, USA. Electronic address: wzheng@purdue.edu.
Jason R CannonSchool of Health Sciences, Purdue University, West Lafayette, IN 47907, USA. Electronic address: cannonjr@purdue.edu.
Purdue University West Lafayette · US

Funding

Choroid Plexus a Target in Metal-Induced NeurotoxicityR01ES008146 · NIEHS · PURDUE UNIVERSITY WEST LAFAYETTE · PI ZHENG, WEI · 1998 to 2014
$5.0M
New Approaches to Gene-environment Interaction Modeling in Parkinson's DiseaseR00ES019879 · NIEHS · PURDUE UNIVERSITY · PI CANNON, JASON R · 2012 to 2014
$747k
PhIP-induced neurodegeneration: mechanisms and relevance to Parkinson's diseaseR03ES022819 · NIEHS · PURDUE UNIVERSITY · PI CANNON, JASON R · 2014 to 2015
$154k
NIEHS NIH HHS R00 ES019879NIEHS NIH HHS R00ES019879NIEHS NIH HHS R01 ES008146NIEHS NIH HHS R01ES008146NIEHS NIH HHS R03 ES022819NIEHS NIH HHS R03ES022819
6 · The paper itself

Abstract

Manganese (Mn) is an essential trace element, but excess exposure leads to accumulation in biological tissues, including the brain. Chronically high Mn levels in the brain are neurotoxic and can result in a progressive, irreversible neurological disorder known as manganism. Manganism has signs and symptoms similar to, but distinguishable from idiopathic Parkinson's disease, which include both psychological and motor disturbances. Evidence suggests that Mn exposure impacts neurotransmitter levels in the brain. However, it remains unclear if subacute, low-level Mn exposure resulted in alterations in neurotransmitter systems with concomitant behavioral deficits. The current study used high performance liquid chromatography to quantify neurotransmitter levels in rat striatum (STR), substantia nigra (SN), and hippocampus (HP). Subacute Mn exposure via i.p. injection of 15mg Mn/kg as MnCl2 caused significantly increased dopamine (DA) levels in the STR. The enhancement was accompanied by significantly elevated levels of the DA metabolites, 3,4-dihydroxyphenylacetic acid (DOPAC) and homovanillic acid (HVA), in the STR. In addition, levels of HVA were significantly increased in the SN and HP. These data indicate that subacute, low-level Mn exposure disrupts multiple neurotransmitter systems in the rat brain which may be responsible, in part, for observed locomotor deficits.

Indexed as

AnimalsBiogenic MonoaminesBody WeightBrainCorpus StriatumDopamineHippocampusMaleManganeseMotor ActivityNorepinephrineRatsRats, Sprague-DawleySerotoninSubstantia NigraBiogenic MonoaminesDopamineManganeseNorepinephrineSerotoninDopamineGABAManganeseManganismNeurobehaviorSerotonin

Identifiers

PMID25117542
PMCPMC4278355
OpenAlexW2099704407

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.