Evidence map›Paper›PMID 26888014›Full record

ArticleScientific reports2016

Structure and biological function of ENPP6, a choline-specific glycerophosphodiester-phosphodiesterase.

Junko Morita, Kuniyuki Kano, Kazuki Kato, Hiroyuki Takita, Hideki Sakagami, Yasuo Yamamoto, Emiko Mihara, Hirofumi Ueda, Takanao Sato, Hidetoshi Tokuyama and 7 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
3.7field-weighted citation impact, top 7% 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

51 citing papers in PubMed, 72 citations in OpenAlex.

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  13. Transient Upregulation of Procaspase-3 during Oligodendrocyte Fate Decisions.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
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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

17 authors at 6 institutions in 1 country.

Junko MoritaDepartment of Biological Sciences, Graduate School of Sciences, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan.
Kuniyuki KanoGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Kazuki KatoDepartment of Biological Sciences, Graduate School of Sciences, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan.
Hiroyuki TakitaGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Hideki SakagamiGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bumkyo-ku, Tokyo, 113-0033, Japan.
Yasuo YamamotoGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Emiko MiharaInstitute for Protein Research, Osaka University, 3-2, Yamadaoka, Suita-shi, Osaka, 565-0871, Japan.
Hirofumi UedaGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Takanao SatoGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Hidetoshi TokuyamaGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Hiroyuki AraiGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bumkyo-ku, Tokyo, 113-0033, Japan.
Hiroaki AsouCenter for Kampo Medicine, Keio University School of Medicine, 35, Shinanomachi, Shinjuku-ku, Tokyo, 160-0016, Japan.
Junichi TakagiInstitute for Protein Research, Osaka University, 3-2, Yamadaoka, Suita-shi, Osaka, 565-0871, Japan.
Ryuichiro IshitaniDepartment of Biological Sciences, Graduate School of Sciences, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan.
Hiroshi NishimasuDepartment of Biological Sciences, Graduate School of Sciences, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan.
Osamu NurekiDepartment of Biological Sciences, Graduate School of Sciences, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan.
Junken AokiGraduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
Tohoku University · JPThe University of Tokyo · JPOsaka University · JPJapan Agency for Medical Research and Development · JPJapan Science and Technology Agency · JPKeio University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Choline is an essential nutrient for all living cells and is produced extracellularly by sequential degradation of phosphatidylcholine (PC). However, little is known about how choline is produced extracellularly. Here, we report that ENPP6, a choline-specific phosphodiesterase, hydrolyzes glycerophosphocholine (GPC), a degradation product of PC, as a physiological substrate and participates in choline metabolism. ENPP6 is highly expressed in liver sinusoidal endothelial cells and developing oligodendrocytes, which actively incorporate choline and synthesize PC. ENPP6-deficient mice exhibited fatty liver and hypomyelination, well known choline-deficient phenotypes. The choline moiety of GPC was incorporated into PC in an ENPP6-dependent manner both in vivo and in vitro. The crystal structure of ENPP6 in complex with phosphocholine revealed that the choline moiety of the phosphocholine is recognized by a choline-binding pocket formed by conserved aromatic and acidic residues. The present study provides the molecular basis for ENPP6-mediated choline metabolism at atomic, cellular and tissue levels.

Indexed as

AnimalsCrystallography, X-RayEndothelial CellsFatty LiverLiverMiceMice, KnockoutOligodendrogliaOrgan SpecificityPhosphatidylcholinesPhosphoric Diester HydrolasesStructure-Activity RelationshipSubstrate SpecificityPhosphatidylcholinesPhosphoric Diester Hydrolases

Identifiers

PMID26888014
PMCPMC4757880
OpenAlexW2276442261

What OpenQuestion holds

Textmetadata
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.