Evidence map›Paper›PMID 24927567›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2014

The endocannabinoid 2-AG controls skeletal muscle cell differentiation via CB1 receptor-dependent inhibition of Kv7 channels.

Fabio A Iannotti, Cristoforo Silvestri, Enrico Mazzarella, Andrea Martella, Daniela Calvigioni, Fabiana Piscitelli, Paolo Ambrosino, Stefania Petrosino, Gabriella Czifra, Tamás Bíró and 3 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 1 pooled it
6.3field-weighted citation impact, top 3% 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

49 citing papers in PubMed, 1 synthesis or guideline pooled it, 96 citations in OpenAlex.

  1. Pooled it
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  18. Cannabis and cannabinoid research · 2022
    Article
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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

13 authors at 4 institutions in 4 countries.

Fabio A IannottiEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Cristoforo SilvestriEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Enrico MazzarellaEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Andrea MartellaEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Daniela CalvigioniDepartment of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-17177 Stockholm, Sweden;Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, A-1090 Vienna, Austria;
Fabiana PiscitelliEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Paolo AmbrosinoDepartment of Medicine and Health Sciences, University of Molise, 86100 Campobasso, Italy; and.
Stefania PetrosinoEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy;
Gabriella CzifraDepartment of Physiology and Cell Physiology Research Group of the Hungarian Academy of Sciences, University Medical School of Debrecen, 4032, Debrecen, Hungary.
Tamás BíróDepartment of Physiology and Cell Physiology Research Group of the Hungarian Academy of Sciences, University Medical School of Debrecen, 4032, Debrecen, Hungary.
Tibor HarkanyDepartment of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-17177 Stockholm, Sweden;Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, A-1090 Vienna, Austria;
Maurizio TaglialatelaDepartment of Medicine and Health Sciences, University of Molise, 86100 Campobasso, Italy; and.
Vincenzo Di MarzoEndocannabinoid Research Group, Institute of Biomolecular Chemistry, National Council of Research (Consiglio Nazionale delle Ricerche), 80078 Pozzuoli, Italy; vdimarzo@icb.cnr.it.
National Research Council · ITHungarian Academy of Sciences · HUMedical University of Vienna · ATUniversity of Molise · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Little is known of the involvement of endocannabinoids and cannabinoid receptors in skeletal muscle cell differentiation. We report that, due to changes in the expression of genes involved in its metabolism, the levels of the endocannabinoid 2-arachidonoylglycerol (2-AG) are decreased both during myotube formation in vitro from murine C2C12 myoblasts and during mouse muscle growth in vivo. The endocannabinoid, as well as the CB1 agonist arachidonoyl-2-chloroethylamide, prevent myotube formation in a manner antagonized by CB1 knockdown and by CB1 antagonists, which, per se, instead stimulate differentiation. Importantly, 2-AG also inhibits differentiation of primary human satellite cells. Muscle fascicles from CB1 knockout embryos contain more muscle fibers, and postnatal mice show muscle fibers of an increased diameter relative to wild-type littermates. Inhibition of Kv7.4 channel activity, which plays a permissive role in myogenesis and depends on phosphatidylinositol 4,5-bisphosphate (PIP2), underlies the effects of 2-AG. We find that CB1 stimulation reduces both total and Kv7.4-bound PIP2 levels in C2C12 cells and inhibits Kv7.4 currents in transfected CHO cells. We suggest that 2-AG is an endogenous repressor of myoblast differentiation via CB1-mediated inhibition of Kv7.4 channels.

Indexed as

AnimalsArachidonic AcidsCell DifferentiationCell ProliferationCHO CellsCricetinaeCricetulusEndocannabinoidsGene SilencingGlyceridesHumansInositol PhosphatesKCNQ Potassium ChannelsMiceMuscle DevelopmentMuscle Fibers, Skeletalaminoethyl-aminopropyl-trimethoxysilaneArachidonic AcidsEndocannabinoidsGlyceridesglyceryl 2-arachidonateinositol 4,5-bisphosphateInositol PhosphatesKCNQ4 protein, humanKcnq4 protein, mouseKCNQ Potassium Channelsnoladin etherReceptor, Cannabinoid, CB1Receptor, Cannabinoid, CB2Silicone Elastomers

Identifiers

PMID24927567
PMCPMC4066524
OpenAlexW1995570870

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.