Evidence map›Paper›PMID 21844222›Full record

ArticleMolecular and cellular biology2011

Reducing plasma membrane sphingomyelin increases insulin sensitivity.

Zhiqiang Li, Hongqi Zhang, Jing Liu, Chien-Ping Liang, Yan Li, Yue Li, Gladys Teitelman, Thomas Beyer, Hai H Bui, David A Peake and 6 more

Open access · bronzeAbstract read
In one paragraph

Article in Molecular and cellular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 108 papers.

0numbers the graph read from it
0cells of the map it votes in
108citing papers in PubMed
4.1field-weighted citation impact, top 5% 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

108 citing papers in PubMed, 199 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Sphingolipids and Atherosclerosis.Current atherosclerosis reports · 2026
    Review
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  5. Article
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  19. Effect of Total SMS Activity on LDL Catabolism in Mice.Arteriosclerosis, thrombosis, and vascular biology · 2023
    Article
  20. Article

48 more citing papers are in PubMed but not listed here.

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

16 authors at 5 institutions in 3 countries.

Zhiqiang LiDepartment of Cell Biology, SUNY Downstate Medical Center, 450 Clarkson Ave. Box 5, Brooklyn, NY 11203, USA.
Hongqi Zhang
Jing Liu
Chien-Ping Liang
Yan Li
Yue Li
Gladys Teitelman
Thomas Beyer
Hai H Bui
David A Peake
Youyan Zhang
Phillip E Sanders
Ming-Shang Kuo
Tae-Sik Park
Guoqing Cao
Xian-Cheng Jiang
Eli Lilly (United States) · USState University of New York · USSUNY Downstate Health Sciences University · USCharles R. Drew University of Medicine and Science · USColumbia University · US

Funding

THE ROLE OF PLASMA SPHINGOMYELIN IN ATHEROSCLEROSISR01HL064735 · NHLBI · SUNY DOWNSTATE MEDICAL CENTER · PI JIANG, XIAN-CHENG · 2001 to 2004
$1.1M
NHLBI NIH HHS HL-64735NHLBI NIH HHS R01 HL064735
6 · The paper itself

Abstract

It has been shown that inhibition of de novo sphingolipid synthesis increases insulin sensitivity. For further exploration of the mechanism involved, we utilized two models: heterozygous serine palmitoyltransferase (SPT) subunit 2 (Sptlc2) gene knockout mice and sphingomyelin synthase 2 (Sms2) gene knockout mice. SPT is the key enzyme in sphingolipid biosynthesis, and Sptlc2 is one of its subunits. Homozygous Sptlc2-deficient mice are embryonic lethal. However, heterozygous Sptlc2-deficient mice that were viable and without major developmental defects demonstrated decreased ceramide and sphingomyelin levels in the cell plasma membranes, as well as heightened sensitivity to insulin. Moreover, these mutant mice were protected from high-fat diet-induced obesity and insulin resistance. SMS is the last enzyme for sphingomyelin biosynthesis, and SMS2 is one of its isoforms. Sms2 deficiency increased cell membrane ceramide but decreased SM levels. Sms2 deficiency also increased insulin sensitivity and ameliorated high-fat diet-induced obesity. We have concluded that Sptlc2 heterozygous deficiency- or Sms2 deficiency-mediated reduction of SM in the plasma membranes leads to an improvement in tissue and whole-body insulin sensitivity.

Indexed as

Insulin ResistanceAnimalsCell MembraneGlucose Tolerance TestHep G2 CellsHeterozygoteHumansInsulinLiverMaleMiceMice, KnockoutReceptor, InsulinSerine C-PalmitoyltransferaseSphingomyelinsTransferases (Other Substituted Phosphate Groups)InsulinReceptor, InsulinSerine C-PalmitoyltransferaseSgms2 protein, mouseSphingomyelinsSptlc2 protein, mouseTransferases (Other Substituted Phosphate Groups)

Identifiers

PMID21844222
PMCPMC3187286
OpenAlexW2142750712

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.