Evidence map›Paper›PMID 8754803›Full record

ArticleMolecular and cellular biology1996

The dual effect of adenovirus type 5 E1A 13S protein on NF-kappaB activation is antagonized by E1B 19K.

M L Schmitz, A Indorf, F P Limbourg, H Städtler, E B Traenckner, P A Baeuerle

Open access · bronzeAbstract read
In one paragraph

Article in Molecular and cellular biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
4.6field-weighted citation impact, top 5% 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

19 citing papers in PubMed, 50 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

6 authors at 2 institutions in 3 countries.

M L SchmitzInstitute of Biochemistry and Molecular Biology, Albert-Ludwigs-Universität, Freiburg, Germany.
A Indorf
F P Limbourg
H Städtler
E B Traenckner
P A Baeuerle
University of Freiburg · DEUniversity of Tikrit · IQ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The genomes of human adenoviruses encode several regulatory proteins, including the two differentially spliced gene products E1A and E1B. Here, we show that the 13S but not the 12S splice variant of E1A of adenovirus type 5 can activate the human transcription factor NF-kappaB in a bimodal fashion. One mode is the activation of NF-kappaB containing the p65 subunit from the cytoplasmic NF-kappaB-IkappaB complex. This activation required reactive oxygen intermediates and the phosphorylation of IkappaBalpha at serines 32 and 36, followed by IkappaBalpha degradation and the nuclear uptake of NF-kappaB. In addition, 13S E1A stimulated the transcriptional activity of the C-terminal 80 amino acids of p65 at a core promoter with either a TATA box or an initiator (INR) element. The C-terminal 80 amino acids of p65 were found to associate with E1A in vitro. The activation of NF-kappaB-dependent reporter gene transcription by E1A was potently suppressed upon coexpression of the E1B 19-kDa protein (19K). E1B 19K prevented both the activation of NF-kappaB and the E1A-mediated transcriptional enhancement of p65. These inhibitory effects were not found for the 55-kDa splice variant of the E1B protein. We suggest that the inductive effect of E1A 13S on the host factor NF-kappaB, whose activation is important for the transcription of various adenovirus genes, must be counteracted by the suppressive effect of E1B 19K so that the adenovirus-infected cell can escape the immune-stimulatory and apoptotic effects of NF-kappaB.

Indexed as

Gene Expression Regulation, ViralTranscriptional ActivationTranscription FactorsAdenovirus E1A ProteinsAdenovirus E1B ProteinsAdenoviruses, HumanAnimalsAntioxidantsBase SequenceBinding SitesCells, CulturedChlorocebus aethiopsDNA-Binding ProteinsHeLa CellsHumansMacromolecular SubstancesAdenovirus E1A ProteinsAdenovirus E1B ProteinsAntioxidantsDNA-Binding ProteinsMacromolecular SubstancesNF-kappa BOligodeoxyribonucleotidesProlineprolinedithiocarbamateProto-Oncogene ProteinsRELB protein, humanRepressor ProteinsRNA, MessengerThiocarbamatesTranscription Factor RelBTranscription Factors

Identifiers

PMID8754803
PMCPMC231401
OpenAlexW2134155371

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.