Evidence map›Paper›PMID 29797195›Full record

ArticleEnvironmental science and pollution research international2018

Unravelling motor behaviour hallmarks in intoxicated adolescents: methylmercury subtoxic-dose exposure and binge ethanol intake paradigm in rats.

Aline Nascimento Oliveira, Alana Miranda Pinheiro, Ivaldo Jesus Almeida Belém-Filho, Luanna Melo Pereira Fernandes, Sabrina Carvalho Cartágenes, Paula Cardoso Ribera, Enéas Andrade Fontes-Júnior, Maria Elena Crespo-Lopez, Marta Chagas Monteiro, Marcelo Oliveira Lima and 1 more

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Article in Environmental science and pollution research international, 2018. 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
–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.

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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

11 authors.

Aline Nascimento OliveiraLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Alana Miranda PinheiroLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Ivaldo Jesus Almeida Belém-FilhoLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Luanna Melo Pereira FernandesLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Sabrina Carvalho CartágenesLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Paula Cardoso RiberaLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Enéas Andrade Fontes-JúniorLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil.
Maria Elena Crespo-LopezLaboratório de Farmacologia Molecular, Instituto de Ciências Biológicas, UFPA, Belém, Brazil.
Marta Chagas MonteiroLaboratório de Microbiologia e Imunologia Clinica, Faculdade de Ciências Farmacêuticas, UFPA, Belém, Brazil.
Marcelo Oliveira LimaLaboratório de Toxicologia, Seção de Meio Ambiente, Instituto Evandro Chagas, Belém, Pará, Brazil.
Cristiane Socorro Ferraz MaiaLaboratório de Farmacologia da Inflamação e do Comportamento, Faculdade de Ciências Farmacêuticas, Universidade Federal do Pará (UFPA), Belém, Brazil. crismaia0301@hotmail.com.

Funding

Fundação Amazônia de Amparo a Estudos e Pesquisa do Pará grant number 160/2014 Edital 006/2014
6 · The paper itself

Abstract

Methylmercury (MeHg) is a hazardous environmental pollutant, affecting Amazon basin communities by anthropogenic activities. The exact safe level of MeHg exposure is unclear, despite the efforts of health international societies to avoid mercury (Hg) poisoning. Central nervous system is severely impacted by Hg intoxication, reflecting on motor impairment. In addition, alcohol has been associated to an overall brain damage. According to lifestyle of Amazon riverside communities, alcohol intake occurs frequently. Thus, we investigated if continuous MeHg exposure at low doses during adolescence displays motor deficits (experiment 1). In the experiment 2, we examine if the co-intoxication (i.e. MeHg plus ethanol exposure) during adolescence intensify motor damage. In the experiment 1, Wistar adolescent rats (31 days old) received chronic exposure to low dose (CELD) of MeHg (40 μg/kg/day) for 35 days. For the experiment 2, five sessions of alcohol binge drinking paradigm (3ON-4OFF; 3.0 g/kg/day) were employed associated to MeHg intoxication. Motor behaviour was evaluated by the open field, pole test, beam walking and rotarod paradigms. CELDS of MeHg display motor function damage, related to hypoactivity, bradykinesia-like behaviour, coordination deficits and motor learning impairment. Co-intoxication of MeHg plus ethanol reduced cerebellar Hg content, however also resulted in motor behavioural impairment, as well as additive effects on bradykinesia and fine motor evaluation.

Indexed as

AdolescentAlcoholic IntoxicationAnimalsBinge DrinkingCerebellumEnvironmental PollutantsEthanolFemaleHumansHypokinesiaMercuryMethylmercury CompoundsMotor ActivityRats, WistarToxicity Tests, ChronicEnvironmental PollutantsEthanolMercuryMethylmercury CompoundsAdolescenceEthanolMethylmercuryMotorPollutionRats

Identifiers

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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.