Evidence map›Paper›PMID 21784148›Full record

ArticleNeurotoxicology and teratology

Reduced expression of MAPK/ERK genes in perinatal arsenic-exposed offspring induced by glucocorticoid receptor deficits.

Ebany J Martinez-Finley, Samantha L Goggin, Matthew T Labrecque, Andrea M Allan

Abstract read
In one paragraph

Article in Neurotoxicology and teratology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 31% 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.

  1. Pooled it
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  7. Molecular insight of arsenic-induced carcinogenesis and its prevention.Naunyn-Schmiedeberg's archives of pharmacology · 2017
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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

4 authors at 1 institution in 1 country.

Ebany J Martinez-FinleyDepartment of Neurosciences, University of New Mexico School of Medicine, United States.
Samantha L Goggin
Matthew T Labrecque
Andrea M Allan
University of New Mexico · US

Funding

Prenatal arsenic exposure alters transcriptional, post-transcriptional and post-translational programming of the glucocorticoid system in a sexually dimorphic mannerR01ES019583 · NIEHS · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI ALLAN, ANDREA M · 2011 to 2021
$3.3M
Moderate Perinatal Arsenic has Long-term Effects on Learning and Memory BehaviorF31ES017196 · NIEHS · UNIVERSITY OF NEW MEXICO · PI MARTINEZ-FINLEY, EBANY J · 2009 to 2010
$44k
NIEHS NIH HHS 1R01ES019583-01NIEHS NIH HHS F31 ES017196NIEHS NIH HHS F31ES017196NIEHS NIH HHS R01 ES019583
6 · The paper itself

Abstract

Changes within the glucocorticoid receptor (GR) cellular signaling pathway were evaluated in adolescent mice exposed to 50 ppb arsenic during gestation. Previously, we reported increased basal plasma corticosterone levels, decreased hippocampal GR levels and deficits in learning and memory performance in perinatal arsenic-exposed mice. The biosynthesis of members of the mitogen-activated protein kinase (MAPK) signaling pathway, known to be involved in learning and memory, is modulated by the binding of GR to glucocorticoid response elements (GREs) in the gene promoters. Two genes of the MAPK pathway, Ras and Raf, contain GREs which are activated upon binding of GRs. We evaluated the activity of GRs at Ras and Raf promoters using chromatin immunoprecipitation and real-time PCR and report decreased binding of the GR at these promoters. An ELISA-based GR binding assay was used to explore whether this decreased binding was restricted to in vivo promoters and revealed no differences in binding of native GR to synthetic GREs. The decreased in vivo GR binding coincides with significantly decreased mRNA levels and slight reductions of protein of both H-Ras and Raf-1 in perinatally arsenic-exposed mice. Nuclear activated extracellular-signal regulated kinase (ERK), a downstream target of Ras and Raf, whose transcriptional targets also play an important role in learning and memory, was decreased in the hippocampus of arsenic-exposed animals when compared to controls. GR-mediated transcriptional deficits in the MAPK/ERK pathway could be an underlying cause of previously reported learning deficits and provide the link to arsenic-induced deficiencies in cognitive development.

Indexed as

AnimalsArsenicBlotting, WesternChromatin ImmunoprecipitationExtracellular Signal-Regulated MAP KinasesFemaleGene ExpressionHippocampusMaleMAP Kinase Signaling SystemMiceMice, Inbred C57BLPhosphorylationPregnancyPrenatal Exposure Delayed EffectsProto-Oncogene Proteins c-rafArsenicExtracellular Signal-Regulated MAP KinasesProto-Oncogene Proteins c-rafProto-Oncogene Proteins p21(ras)Receptors, Glucocorticoid

Identifiers

PMID21784148
PMCPMC3183307
OpenAlexW2045090502

What OpenQuestion holds

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Registered trials

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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.