Evidence map›Paper›PMID 25144766›Full record

ArticlePloS one2014

Fetal growth retardation and lack of hypotaurine in ezrin knockout mice.

Tomohiro Nishimura, Kei Higuchi, Yoshimichi Sai, Yuki Sugita, Yuko Yoshida, Masatoshi Tomi, Masami Wada, Tomohiko Wakayama, Atsushi Tamura, Sachiko Tsukita and 2 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.5field-weighted citation impact, top 14% 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

7 citing papers in PubMed, 16 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Regulation of maternal-fetal metabolic communication.Cellular and molecular life sciences : CMLS · 2021
    Review
  6. Article
  7. Review
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

12 authors at 3 institutions in 1 country.

Tomohiro NishimuraDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Kei HiguchiDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Yoshimichi SaiDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan; Department of Pharmacy, Kanazawa University Hospital, Kanazawa, Japan.
Yuki SugitaDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Yuko YoshidaDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Masatoshi TomiDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Masami WadaDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan; Laboratory of Biological Science, Graduate School of Frontier Biosciences and Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
Tomohiko WakayamaDepartment of Histology and Embryology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan.
Atsushi TamuraLaboratory of Biological Science, Graduate School of Frontier Biosciences and Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
Sachiko TsukitaLaboratory of Biological Science, Graduate School of Frontier Biosciences and Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
Tomoyoshi SogaInstitute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, Japan.
Emi NakashimaDivision of Pharmaceutics, Faculty of Pharmacy, Keio University, Minato-ku, Tokyo, Japan.
Keio University · JPOsaka University · JPKanazawa University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ezrin is a membrane-associated cytoplasmic protein that serves to link cell-membrane proteins with the actin-based cytoskeleton, and also plays a role in regulation of the functional activities of some transmembrane proteins. It is expressed in placental trophoblasts. We hypothesized that placental ezrin is involved in the supply of nutrients from mother to fetus, thereby influencing fetal growth. The aim of this study was firstly to clarify the effect of ezrin on fetal growth and secondly to determine whether knockout of ezrin is associated with decreased concentrations of serum and placental nutrients. Ezrin knockout mice (Ez(-/-)) were confirmed to exhibit fetal growth retardation. Metabolome analysis of fetal serum and placental extract of ezrin knockout mice by means of capillary electrophoresis-time-of-flight mass spectrometry revealed a markedly decreased concentration of hypotaurine, a precursor of taurine. However, placental levels of cysteine and cysteine sulfinic acid (precursors of hypotaurine) and taurine were not affected. Lack of hypotaurine in Ez(-/-) mice was confirmed by liquid chromatography with tandem mass spectrometry. Administration of hypotaurine to heterogenous dams significantly decreased the placenta-to-maternal plasma ratio of hypotaurine in wild-type fetuses but only slightly decreased it in ezrin knockout fetuses, indicating that the uptake of hypotaurine from mother to placenta is saturable and that disruption of ezrin impairs the uptake of hypotaurine by placental trophoblasts. These results indicate that ezrin is required for uptake of hypotaurine from maternal serum by placental trophoblasts, and plays an important role in fetal growth.

Indexed as

AnimalsCytoskeletal ProteinsDisease Models, AnimalEzrinFemaleFetal Growth RetardationGene TargetingGenetic LociHomozygoteImmunohistochemistryMetabolomeMetabolomicsMiceMice, KnockoutPhenotypePlacentaCytoskeletal ProteinsEzrinhypotaurineTaurine

Identifiers

PMID25144766
PMCPMC4140781
OpenAlexW1971892198

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.