Evidence map›Paper›PMID 16859540›Full record

ArticleArthritis research & therapy2006

Statin-induced expression of CD59 on vascular endothelium in hypoxia: a potential mechanism for the anti-inflammatory actions of statins in rheumatoid arthritis.

Anne R Kinderlerer, Rivka Steinberg, Michael Johns, Sarah K Harten, Elaine A Lidington, Dorian O Haskard, Patrick H Maxwell, Justin C Mason

Open access · goldAbstract read
In one paragraph

Article in Arthritis research & therapy, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.5field-weighted citation impact, top 11% 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

20 citing papers in PubMed, 39 citations in OpenAlex.

  1. Trial
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  6. Association of Blood Group Antigen CD59 with Disease.Transfusion medicine and hemotherapy : offizielles Organ der Deutschen Gesellschaft fur Transfusionsmedizin und Immunhamatologie · 2022
    Review
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  13. Peripheral tolerance can be modified by altering KLF2-regulated Treg migration.Proceedings of the National Academy of Sciences of the United States of America · 2016
    Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. 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

8 authors at 2 institutions in 1 country.

Anne R KinderlererCardiovascular Medicine Unit, Eric Bywaters Center for Vascular Inflammation, Imperial College London, Hammersmith Hospital, London, UK.
Rivka Steinberg
Michael Johns
Sarah K Harten
Elaine A Lidington
Dorian O Haskard
Patrick H Maxwell
Justin C Mason
Hammersmith Hospital · GBImperial College London · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Hypoxia, which leads to dysfunctional cell metabolism, and complement activation both play central roles in the pathogenesis of rheumatoid arthritis (RA). Recent studies have reported that mice deficient for the complement-inhibitory protein CD59 show enhanced susceptibility to antigen-induced arthritis and reported that statins have anti-inflammatory effects in RA. We hypothesized that the anti-inflammatory effect of statins in RA relates in part to their ability to increase CD59 expression in hypoxic conditions and therefore to reduce complement activation. Flow-cytometric analysis showed that CD59 expression on endothelial cells (EC) was unaffected by atorvastatin in normoxia (21% O2), whereas in hypoxic conditions (1% O2) an up to threefold dose-dependent increase in CD59 expression was seen. This effect of hypoxia was confirmed by treatment of EC with chemical mimetics of hypoxia. The upregulation of CD59 protein expression in hypoxia was associated with an increase in steady-state mRNA. L-Mevalonate and geranylgeraniol reversed the response, confirming a role for inhibition of 3-hydroxy-3-methylglutaryl coenzyme A reductase and geranylgeranylation. Likewise, inhibition by NG-monomethyl-L-arginine and NG-nitro-L-arginine methyl ester confirmed that CD59 upregulation in hypoxia was nitric oxide dependent. The expression of another complement-inhibitory protein, decay-accelerating factor (DAF), is known to be increased by atorvastatin in normoxia; this response was also significantly enhanced under hypoxic conditions. The upregulation of CD59 and DAF by atorvastatin in hypoxia prevented the deposition of C3, C9 and cell lysis that follows exposure of reoxygenated EC to serum. This cytoprotective effect was abrogated by inhibitory anti-CD59 and anti-DAF mAbs. The modulation of EC CD59 and DAF by statins under hypoxic conditions therefore inhibits both early and late complement activation and may contribute to the anti-inflammatory effects of statins in RA.

Indexed as

Anti-Inflammatory AgentsArthritis, RheumatoidAtorvastatinCD55 AntigensCD59 AntigensCells, CulturedCobaltCytoprotectionDeferoxamineDiterpenesEndothelial CellsEndothelium, VascularHeptanoic AcidsHumansHydroxymethylglutaryl-CoA Reductase InhibitorsHypoxiaAnti-Inflammatory AgentsAtorvastatinCD55 AntigensCD59 AntigensCobaltcobaltous chlorideDeferoxamineDiterpenesgeranylgeraniolHeptanoic AcidsHydroxymethylglutaryl-CoA Reductase InhibitorsIron Chelating AgentsMevalonic AcidPyrrolesRNA, Messenger

Identifiers

PMID16859540
PMCPMC1779384
OpenAlexW2162912795

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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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.