Evidence map›Paper›PMID 26041661›Full record

ArticleMolecular neurobiology2016

Efficient Docosahexaenoic Acid Uptake by the Brain from a Structured Phospholipid.

Mayssa Hachem, Alain Géloën, Amanda Lo Van, Baptiste Foumaux, Laurence Fenart, Fabien Gosselet, Pedro Da Silva, Gildas Breton, Michel Lagarde, Madeleine Picq and 1 more

Abstract read
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In one paragraph

Article in Molecular neurobiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
5.6field-weighted citation impact, top 4% 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

39 citing papers in PubMed, 79 citations in OpenAlex.

  1. Trial
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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 at 3 institutions in 2 countries.

Mayssa HachemINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Alain GéloënINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Amanda Lo VanINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Baptiste FoumauxINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Laurence FenartUniversité d'Artois, EA2465, Lens, France.
Fabien GosseletUniversité d'Artois, EA2465, Lens, France.
Pedro Da SilvaINRA UMR 203, BF2I laboratory, INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Gildas BretonPolaris, 29170, Pleuven, France.
Michel LagardeINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Madeleine PicqINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France.
Nathalie Bernoud-HubacINSERM UMR 1060, CarMeN laboratory, IMBL/INSA-Lyon, Université de Lyon, F-69621, Villeurbanne, France. nathalie.bernoud-hubac@insa-lyon.fr.
Université Claude Bernard Lyon 1 · FRUniversité d'Artois · FRPolaris (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Docosahexaenoic acid (DHA) is the main essential omega-3 fatty acid in brain tissues required for normal brain development and function. An alteration of brain DHA in neurodegenerative diseases such as Alzheimer's and Parkinson's is observed. Targeted intake of DHA to the brain could compensate for these deficiencies. Blood DHA is transported across the blood-brain barrier more efficiently when esterified at the sn-2 position of lyso-phosphatidylcholine. We used a structured phosphatidylcholine to mimic 2-docosahexaenoyl-lysoPC (lysoPC-DHA), named AceDoPC (1-acetyl,2-docosahexaenoyl-glycerophosphocholine), that may be considered as a stabilized form of the physiological lysoPC-DHA and that is neuroprotective in experimental ischemic stroke. The aim of the present study was to investigate whether AceDoPC is a relevant delivery form of DHA to the brain in comparison with other forms of the fatty acid. By combining in vitro and in vivo experiments, our findings report for the first time that AceDoPC is a privileged and specific carrier of DHA to the brain, when compared with DHA-containing PC and non-esterified DHA. We also show that AceDoPC was hydrolyzed, in part, into lysoPC-DHA. Ex vivo autoradiography of rat brain reveals that DHA from AceDoPC was localized in specific brain regions playing key roles in memory, thoughts, and cognitive functions. Finally, using molecular modeling approaches, we demonstrate that electrostatic and lipophilic potentials are distributed very similarly at the surfaces of AceDoPC and lysoPC-DHA. Our findings identify AceDoPC as an efficient way to specifically target DHA to the brain, which would allow potential preventive and therapeutic approaches for neurological diseases.

Indexed as

AnimalsAnimals, NewbornAutoradiographyBlood-Brain BarrierBrainDocosahexaenoic AcidsEndothelial CellsModels, BiologicalModels, MolecularPhosphatidylcholinesRadioactivityRatsTime FactorsTissue DistributionDocosahexaenoic AcidsPhosphatidylcholinesBlood–brain barrierBrainDocosahexaenoic acidLyso-phosphatidylcholineTransport

Identifiers

PMID26041661
OpenAlexW607238801

What OpenQuestion holds

Textmetadata
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.