Evidence map›Paper›PMID 19764090›Full record

ArticleWorld journal of gastroenterology2009

Molecular mechanism and functional consequences of lansoprazole-mediated heme oxygenase-1 induction.

Stephanie Schulz-Geske, Kati Erdmann, Ronald J Wong, David K Stevenson, Henning Schröder, Nina Grosser

Open access · hybridAbstract read
In one paragraph

Article in World journal of gastroenterology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.4field-weighted citation impact, top 38% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. Heme oxygenase-1: a novel therapeutic target for gastrointestinal diseases.Journal of clinical biochemistry and nutrition · 2011
    Article
  10. Heme oxygenase-1 system and gastrointestinal tumors.World journal of gastroenterology · 2010
    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

6 authors at 3 institutions in 4 countries.

Stephanie Schulz-GeskeDepartment of Pharmacology and Toxicology, School of Pharmacy, Martin Luther University Halle-Wittenberg, 06099 Halle, Germany.
Kati Erdmann
Ronald J Wong
David K Stevenson
Henning Schröder
Nina Grosser
Martin Luther University Halle-Wittenberg · DELuther University · KRPharmac · NZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo investigate the molecular mechanism and functional consequences of heme oxygenase-1 (HO-1) activation by lansoprazole in endothelial cells and macrophages.

methodsExpression of HO-1 mRNA was analyzed by Northern blotting. Western blotting was used to determine the HO-1 and ferritin protein levels. NADPH-dependent reactive oxygen species (ROS) formation was measured with lucigenin-enhanced chemiluminescence. HO-1 promoter activity in mouse fibroblasts, stably transfected with a 15-kb HO-1 gene that drives expression of the reporter gene luciferase, was assessed using in vivo bioluminescence imaging.

resultsLansoprazole increased HO-1 mRNA levels in endothelial cells and HO-1 protein levels in macrophages. In addition, lansoprazole-induced ferritin protein levels in both cell systems. Moreover, induction of the antioxidant proteins HO-1 and ferritin by lansoprazole was followed by a decrease in NADPH-mediated ROS formation. The radical scavenging properties of lansoprazole were diminished in the presence of the HO inhibitor, chromium mesoporphyrin IX. Induction of HO-1 gene expression by lansoprazole was not related to oxidative stress or to the activation of the mitogen-activated protein kinase pathway. However, the phosphatidylinositol 3-kinase inhibitor LY294002 showed a concentration-dependent inhibition of HO-1 mRNA and promoter activity.

conclusionActivation of HO-1 and ferritin may account for the gastric protection of lansoprazole and is dependent on a pathway blocked by LY294002.

Indexed as

2-PyridinylmethylsulfinylbenzimidazolesAnimalsAntioxidantsBlotting, NorthernBlotting, WesternCells, CulturedEndothelial CellsEnzyme ActivationEnzyme InhibitorsFerritinsGene Expression Regulation, EnzymologicHeme Oxygenase-1H(+)-K(+)-Exchanging ATPaseLansoprazoleLuminescenceMacrophages2-PyridinylmethylsulfinylbenzimidazolesAntioxidantsEnzyme InhibitorsFerritinsHeme Oxygenase-1H(+)-K(+)-Exchanging ATPaseLansoprazoleProton Pump InhibitorsReactive Oxygen SpeciesRNA, Messenger

Identifiers

PMID19764090
PMCPMC2747059
OpenAlexW1993699458

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.