Evidence map›Paper›PMID 21818267›Full record

ArticlePloS one2011

Hypertension is associated with marked alterations in sphingolipid biology: a potential role for ceramide.

Léon J A Spijkers, Rob F P van den Akker, Ben J A Janssen, Jacques J Debets, Jo G R De Mey, Erik S G Stroes, Bert-Jan H van den Born, Dayanjan S Wijesinghe, Charles E Chalfant, Luke MacAleese and 4 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers.

0numbers the graph read from it
0cells of the map it votes in
109citing papers in PubMed
3.6field-weighted citation impact, top 6% 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

109 citing papers in PubMed, 185 citations in OpenAlex.

  1. Trial
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  8. Article
  9. Sphingolipids in Emotional Well-Being.Journal of neurochemistry · 2026
    Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Cardiac dysfunction and altered gene expression in acid ceramidase-deficient mice.American journal of physiology. Heart and circulatory physiology · 2025
    Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Review
  20. Sphingolipids and Chronic Kidney Disease.Journal of clinical medicine · 2024
    Review

49 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

14 authors at 4 institutions in 2 countries.

Léon J A SpijkersDepartment of Pharmacology and Pharmacotherapy, Academic Medical Center, Amsterdam, The Netherlands.
Rob F P van den Akker
Ben J A Janssen
Jacques J Debets
Jo G R De Mey
Erik S G Stroes
Bert-Jan H van den Born
Dayanjan S Wijesinghe
Charles E Chalfant
Luke MacAleese
Gert B Eijkel
Ron M A Heeren
Astrid E Alewijnse
Stephan L M Peters
Academic Medical Center · NLInstitute for Atomic and Molecular Physics · NLMaastricht University · NLVirginia Commonwealth University · US

Funding

The Role of Ceramide Kinase in Eicosanoid SynthesisR01HL072925 · NHLBI · VIRGINIA COMMONWEALTH UNIVERSITY · PI CHALFANT, CHARLES E. · 2004 to 2012
$3.1M
Regulation of caspase 9 RNA splicing in NSCLC cancerR01CA154314 · NCI · VIRGINIA COMMONWEALTH UNIVERSITY · PI CHALFANT, CHARLES E. · 2011 to 2014
$1.2M
Sphingolipid Regulation of Caspase 9 Alternative SplicingR01CA117950 · NCI · VIRGINIA COMMONWEALTH UNIVERSITY · PI CHALFANT, CHARLES E. · 2006 to 2009
$919k
AB SCIEX 5500 QTRAP Mass Spectrometer for Lipidomics and Metabolomics ResearchS10OD010641 · OD · VIRGINIA COMMONWEALTH UNIVERSITY · PI CHALFANT, CHARLES E. · 2012 to 2012
$578k
NCI NIH HHS CA117950NCI NIH HHS R01 CA117950NCI NIH HHS R01 CA154314NHLBI NIH HHS HL072925NHLBI NIH HHS R01 HL072925NIH HHS S10 OD010641
6 · The paper itself

Abstract

backgroundHypertension is, amongst others, characterized by endothelial dysfunction and vascular remodeling. As sphingolipids have been implicated in both the regulation of vascular contractility and growth, we investigated whether sphingolipid biology is altered in hypertension and whether this is reflected in altered vascular function. METHODS AND

findingsIn isolated carotid arteries from spontaneously hypertensive rats (SHR) and normotensive Wistar-Kyoto (WKY) rats, shifting the ceramide/S1P ratio towards ceramide dominance by administration of a sphingosine kinase inhibitor (dimethylsphingosine) or exogenous application of sphingomyelinase, induced marked endothelium-dependent contractions in SHR vessels (DMS: 1.4±0.4 and SMase: 2.1±0.1 mN/mm; n = 10), that were virtually absent in WKY vessels (DMS: 0.0±0.0 and SMase: 0.6±0.1 mN/mm; n = 9, p<0.05). Imaging mass spectrometry and immunohistochemistry indicated that these contractions were most likely mediated by ceramide and dependent on iPLA(2), cyclooxygenase-1 and thromboxane synthase. Expression levels of these enzymes were higher in SHR vessels. In concurrence, infusion of dimethylsphingosine caused a marked rise in blood pressure in anesthetized SHR (42±4%; n = 7), but not in WKY (-12±10%; n = 6). Lipidomics analysis by mass spectrometry, revealed elevated levels of ceramide in arterial tissue of SHR compared to WKY (691±42 vs. 419±27 pmol, n = 3-5 respectively, p<0.05). These pronounced alterations in SHR sphingolipid biology are also reflected in increased plasma ceramide levels (513±19 pmol WKY vs. 645±25 pmol SHR, n = 6-12, p<0.05). Interestingly, we observed similar increases in ceramide levels (correlating with hypertension grade) in plasma from humans with essential hypertension (185±8 pmol vs. 252±23 pmol; n = 18 normotensive vs. n = 19 hypertensive patients, p<0.05).

conclusionsHypertension is associated with marked alterations in vascular sphingolipid biology such as elevated ceramide levels and signaling, that contribute to increased vascular tone.

Indexed as

AdultAnesthesiaAnimalsArachidonic AcidBlood PressureCarotid ArteriesCeramidesChromatography, LiquidCoronary VesselsCyclooxygenase 1FemaleHumansHypertensionImmunohistochemistryIn Vitro TechniquesMaleArachidonic AcidCeramidesCyclooxygenase 1Phospholipases A2, Calcium-IndependentSphingomyelin PhosphodiesteraseSphingosineThromboxane A2

Identifiers

PMID21818267
PMCPMC3139577
OpenAlexW2090721334

What OpenQuestion holds

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LicenceCC BY
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.