Evidence map›Paper›PMID 23493288›Full record

ArticleArteriosclerosis, thrombosis, and vascular biology2013

The myeloperoxidase product hypochlorous acid generates irreversible high-density lipoprotein receptor inhibitors.

Veronika Binder, Senka Ljubojevic, Johannes Haybaeck, Michael Holzer, Dalia El-Gamal, Rudolf Schicho, Burkert Pieske, Akos Heinemann, Gunther Marsche

Open access · bronzeAbstract read
In one paragraph

Article in Arteriosclerosis, thrombosis, and vascular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

13 citing papers in PubMed, 30 citations in OpenAlex.

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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

9 authors at 1 institution in 1 country.

Veronika BinderInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Universitätsplatz 4 8010 Graz, Austria.
Senka Ljubojevic
Johannes Haybaeck
Michael Holzer
Dalia El-Gamal
Rudolf Schicho
Burkert Pieske
Akos Heinemann
Gunther Marsche
Medical University of Graz · AT

Funding

Austrian Science Fund FWF P 21004Austrian Science Fund FWF P 22771Austrian Science Fund FWF P 22976
6 · The paper itself

Abstract

objectiveElevated levels of advanced oxidation protein products have been described in several chronic inflammatory diseases, like chronic renal insufficiency, rheumatoid arthritis, and atherosclerosis. Recent findings revealed that advanced oxidation protein products are inhibitors of the major high-density lipoprotein receptor, scavenger receptor class B, type 1 (SR-BI). Here, we investigated which oxidation-induced structural alterations convert plasma albumin into a high-density lipoprotein-receptor inhibitor. APPROACH AND

resultsExposure of albumin to the physiological oxidant, hypochlorous acid, generated high-affinity SR-BI ligands. Protection of albumin-lysine residues before exposure to hypochlorous acid as well as regeneration of N-chloramines after oxidation of albumin completely prevented binding of oxidized albumin to SR-BI, indicating that modification of albumin-lysine residues is required to generate SR-BI ligands. Of particular interest, N-chloramines within oxidized albumin promoted irreversible binding to SR-BI, resulting in permanent receptor blockade. We observed that the SR-BI inhibitory activity of albumin isolated from chronic kidney disease patients correlated with the content of the myeloperoxidase-specific oxidation product 3-chlorotyrosine and was associated with alterations in the composition of high-density lipoprotein.

conclusionsGiven that several potential atheroprotective activities of high-density lipoprotein are mediated by SR-BI, the present results raise the possibility that oxidized plasma albumin, through permanent SR-BI blockade, contributes to the pathophysiology of cardiovascular disease.

Indexed as

AnimalsCardiovascular DiseasesCD36 AntigensCHO CellsCricetinaeCricetulusHumansHypochlorous AcidKidney Failure, ChronicLipoproteins, HDLMiceMice, Inbred BALB CPeroxidaseReceptors, LipoproteinSerum AlbuminCD36 Antigenshigh density lipoprotein receptorsHypochlorous AcidLipoproteins, HDLPeroxidaseReceptors, LipoproteinSerum Albumin

Identifiers

PMID23493288
PMCPMC4163628
OpenAlexW2102831230

What OpenQuestion holds

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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.