Evidence map›Paper›PMID 8794302›Full record

ArticleJournal of virology1996

A fourth Sp1 site in the human immunodeficiency virus type 1 long terminal repeat is essential for negative-sense transcription.

A Peeters, P F Lambert, N J Deacon

Abstract read
In one paragraph

Article in Journal of virology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
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

18 citing papers in PubMed.

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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

3 authors.

A PeetersNational Centre for HIV Virology Research, The Macfarlane Burnet Centre for Medical Research, Fairfield, Victoria, Australia.
P F Lambert
N J Deacon

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report the discovery of a fourth Sp1 binding site at the 5' end of the U3 region of the human immunodeficiency virus type 1 (HIV-1) long terminal repeat (HIV-1 Sp1 IV), localized to HXB2 nucleotides -433 to -441. This site is shown to bind Sp1 protein specifically in electrophoretic mobility shift assays. Sp1 protein appears to bind to HIV-1 Spl IV with 5 to 10 times lower affinity than to a consensus Sp1 site. Mutation of HIV-1 Sp1 IV in an HXB2-derived long terminal repeat-chloramphenicol acetyltransferase reporter construct gave no significant change in positive-sense transcription but abolished both basal and phorbol myristate acetate-activated negative-sense transcription. Taken together, the results further define the HIV-1 negative-sense promoter as an Sp1-dependent, phorbol myristate acetate-responsive, and Tat-inhibited promoter initiating at HXB2 nucleotide -450.

Indexed as

Transcription, GeneticAntisense Elements (Genetics)HIV-1HIV Long Terminal RepeatHumansMutationPromoter Regions, GeneticSequence AnalysisAntisense Elements (Genetics)

Identifiers

PMID8794302
PMCPMC190708

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.