Evidence map›Paper›PMID 18036230›Full record

ArticleJournal of inflammation (London, England)2007

Modulation of LPS stimulated NF-kappaB mediated Nitric Oxide production by PKCepsilon and JAK2 in RAW macrophages.

Edward Jones, Ian M Adcock, Bushra Y Ahmed, Neville A Punchard

Open access · goldAbstract read
In one paragraph

Article in Journal of inflammation (London, England), 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
1.4field-weighted citation impact, top 16% 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

43 citing papers in PubMed, 114 citations in OpenAlex.

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  19. 2'-Hydroxyflavanone prevents LPS-induced inflammatory response and cytotoxicity in murine macrophages.Toxicology in vitro : an international journal published in association with BIBRA · 2020
    Article
  20. Article
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

4 authors at 3 institutions in 1 country.

Edward JonesSchool of Health & Biosciences, University of East London, London, UK. n.punchard@uel.ac.uk.
Ian M Adcock
Bushra Y Ahmed
Neville A Punchard
University of Bedfordshire · GBImperial College London · GBUniversity of East London · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNuclear factor kappa B (NF-kappaB) has been shown to play an important role in regulating the expression of many genes involved in cell survival, immunity and in the inflammatory processes. NF-kappaB activation upregulates inducible nitric oxide synthase leading to enhanced nitric oxide production during an inflammatory response. NF-kappaB activation is regulated by distinct kinase pathways independent of inhibitor of kappaB kinase (IKK). Here, we examine the role of protein kinase C isoforms and janus activated kinase 2 (JAK2) activation in NF-kappaB activation and LPS-stimulated NO production.

methodsMurine RAW 264.7 macrophages were treated with lipopolysaccharide (LPS), Phorbol 12-myristate 13-acetate (PMA) and a combination of LPS and PMA in the presence or absence of various inhibitors of PKC isoforms and JAK2. Nuclear translocation of the NF-kappaB p65 subunit, was assessed by Western blot analysis whilst NO levels were assessed by Greiss assay.

resultsLPS-stimulated NO production was attenuated by PMA whilst PMA alone did not affect NO release. These effects were associated with changes in p65 nuclear translocation. The PKCalpha, beta, gamma, delta and zeta inhibitor Gö 6983 (Go) had no effect on LPS-induced NO release. In contrast, Bisindolymalemide I (Bis), a PKC alpha, betaI, betaII, gamma, delta and epsilon isoform inhibitors completely inhibited LPS-stimulated NO production without affecting p65 nuclear translocation. Furthermore, a partial inhibitory effect on LPS-induced NO release was seen with the JAK2 inhibitor AG-490 and the p38 MAPK inhibitor SB 203850.

conclusionThe results further define the role of NF-kappaB in LPS stimulated NO production in RAW macrophages. The data support a function for PKCepsilon, JAK2 and p38 MAPK in NF-kappaB activation following p65 nuclear import.

Identifiers

PMID18036230
PMCPMC2211292
OpenAlexW2149476314

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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.