Evidence map›Paper›PMID 27242514›Full record

ArticleFrontiers in aging neuroscience2016

EPA/DHA and Vitamin A Supplementation Improves Spatial Memory and Alleviates the Age-related Decrease in Hippocampal RXRγ and Kinase Expression in Rats.

Anne Létondor, Benjamin Buaud, Carole Vaysse, Emmanuel Richard, Sophie Layé, Véronique Pallet, Serge Alfos

Open access · goldAbstract read
In one paragraph

Article in Frontiers in aging neuroscience, 2016. 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
1.0field-weighted citation impact, top 22% 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, 20 citations in OpenAlex.

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  10. Preventing adolescent stress-induced cognitive and microbiome changes by diet.Proceedings of the National Academy of Sciences of the United States of America · 2019
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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 5 institutions in 1 country.

Anne LétondorUniversité de Bordeaux, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Bordeaux INP, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; ITERG, Institut des Corps GrasPessac, France.
Benjamin BuaudITERG, Institut des Corps Gras Pessac, France.
Carole VaysseITERG, Institut des Corps Gras Pessac, France.
Emmanuel RichardINSERM, Biothérapie des Maladies Génétiques Inflammatoires et Cancers, U1035 Bordeaux, France.
Sophie LayéUniversité de Bordeaux, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France.
Véronique PalletUniversité de Bordeaux, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Bordeaux INP, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France.
Serge AlfosUniversité de Bordeaux, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; INRA, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France; Bordeaux INP, Nutrition et Neurobiologie Intégrée, UMR 1286Bordeaux, France.
Institut des Corps Gras · FRNutriNeuro · FRBiotherapy of Genetic Diseases, Inflammatory Disorders and Cancers · FRInstitut Polytechnique de Bordeaux · FRUniversité de Bordeaux · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Studies suggest that eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and vitamin A are critical to delay aged-related cognitive decline. These nutrients regulate gene expression in the brain by binding to nuclear receptors such as the retinoid X receptors (RXRs) and the retinoic acid receptors (RARs). Moreover, EPA/DHA and retinoids activate notably kinase signaling pathways such as AKT or MAPK, which includes ERK1/2. This suggests that these nutrients may modulate brain function in a similar way. Therefore, we investigated in middle-aged rats the behavioral and molecular effects of supplementations with EPA/DHA and vitamin A alone or combined. 18-month-old rats exhibited reference and working memory deficits in the Morris water maze, associated with a decrease in serum vitamin A and hippocampal EPA/DHA contents. RARα, RXRβ, and RXRγ mRNA expression and CAMKII, AKT, ERK1/2 expression were decreased in the hippocampus of middle-aged rats. A combined EPA/DHA and vitamin A supplementation had a beneficial additive effect on reference memory but not in working memory in middle-aged rats, associated with an alleviation of the age-related decrease in RXRγ, CAMKII, AKT, and ERK1 expression in the hippocampus. This study provides a new combined nutritional strategy to delay brain aging.

Indexed as

hippocampuskinasesn-3 long-chain PUFAretinoid receptorsspatial memoryvitamin A

Identifiers

PMID27242514
PMCPMC4860397
OpenAlexW2346050386

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.