Evidence map›Paper›PMID 31107861›Full record

ArticlePLoS computational biology2019

Reduced level of docosahexaenoic acid shifts GPCR neuroreceptors to less ordered membrane regions.

Matti Javanainen, Giray Enkavi, Ramon Guixà-Gonzaléz, Waldemar Kulig, Hector Martinez-Seara, Ilya Levental, Ilpo Vattulainen

Open access · goldAbstract read
In one paragraph

Article in PLoS computational biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.5field-weighted citation impact, top 17% 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

15 citing papers in PubMed, 32 citations in OpenAlex.

  1. Review
  2. G Protein-Coupled Receptor Dimerization-What Next?International journal of molecular sciences · 2024
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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 4 institutions in 4 countries.

Matti JavanainenComputational Physics Laboratory, Tampere University, Tampere, Finland.ORCID 0000-0003-4858-364X
Giray EnkaviComputational Physics Laboratory, Tampere University, Tampere, Finland.ORCID 0000-0001-5033-8649
Ramon Guixà-GonzalézLaboratory of Computational Medicine, Biostatistics Unit, Faculty of Medicine, Autonomous University of Barcelona, Bellaterra, Spain.ORCID 0000-0003-0397-9800
Waldemar KuligComputational Physics Laboratory, Tampere University, Tampere, Finland.ORCID 0000-0001-7568-0029
Hector Martinez-SearaInstitute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic.ORCID 0000-0001-9716-1713
Ilya LeventalDepartment of Integrated Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, United States of America.
Ilpo VattulainenComputational Physics Laboratory, Tampere University, Tampere, Finland.
University of Helsinki · FICzech Academy of Sciences, Institute of Organic Chemistry and Biochemistry · CZThe University of Texas Health Science Center at Houston · USUniversitat Autònoma de Barcelona · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

G protein-coupled receptors (GPCRs) control cellular signaling and responses. Many of these GPCRs are modulated by cholesterol and polyunsaturated fatty acids (PUFAs) which have been shown to co-exist with saturated lipids in ordered membrane domains. However, the lipid compositions of such domains extracted from the brain cortex tissue of individuals suffering from GPCR-associated neurological disorders show drastically lowered levels of PUFAs. Here, using free energy techniques and multiscale simulations of numerous membrane proteins, we show that the presence of the PUFA DHA helps helical multi-pass proteins such as GPCRs partition into ordered membrane domains. The mechanism is based on hybrid lipids, whose PUFA chains coat the rough protein surface, while the saturated chains face the raft environment, thus minimizing perturbations therein. Our findings suggest that the reduction of GPCR partitioning to their native ordered environments due to PUFA depletion might affect the function of these receptors in numerous neurodegenerative diseases, where the membrane PUFA levels in the brain are decreased. We hope that this work inspires experimental studies on the connection between membrane PUFA levels and GPCR signaling.

Indexed as

BrainCholesterolComputational BiologyComputer SimulationDocosahexaenoic AcidsFatty Acids, UnsaturatedHumansMembrane MicrodomainsMembrane ProteinsModels, MolecularModels, NeurologicalProtein ConformationReceptor, Adenosine A2AReceptors, G-Protein-CoupledSensory Receptor CellsSignal TransductionADORA2A protein, humanCholesterolDocosahexaenoic AcidsFatty Acids, UnsaturatedMembrane ProteinsReceptor, Adenosine A2AReceptors, G-Protein-Coupled

Identifiers

PMID31107861
PMCPMC6544328
OpenAlexW2945726886

What OpenQuestion holds

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LicenceCC BY
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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.