Evidence map›Paper›PMID 7734951›Full record

ArticleGene expression1995

Regulation of cyclin D1, DNA topoisomerase I, and proliferating cell nuclear antigen promoters during the cell cycle.

H H Lee, W H Chiang, S H Chiang, Y C Liu, J Hwang, S Y Ng

Abstract read
In one paragraph

Article in Gene expression, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.9field-weighted citation impact, top 13% 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

17 citing papers in PubMed, 42 citations in OpenAlex.

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  17. Two Arabidopsis cyclin promoters mediate distinctive transcriptional oscillation in synchronized tobacco BY-2 cells.Proceedings of the National Academy of Sciences of the United States of America · 1996
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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 1 institution in 1 country.

H H LeeInstitute of Molecular Biology, Academia Sinica, NanKang, Taipei, Taiwan, Republic of China.
W H Chiang
S H Chiang
Y C Liu
J Hwang
S Y Ng
Institute of Molecular Biology, Academia Sinica · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cyclin D1, DNA topoisomerase I, and proliferating cell nuclear antigen (PCNA) are three important cell cycle regulatory proteins. Recently, their promoters have been isolated, thus facilitating molecular analysis of transcriptional control mechanisms of these genes. Transcription of these three promoters in stable K562 transfectants during different cell cycle phases was analyzed after cell cycle synchronization. About 1 kb of 5' flanking region from either cyclin D1 or DNA topoisomerase I gene is sufficient to confer G1- or S-phase-specific transcription activity to chloramphenicol acetyltransferase (CAT) reporter genes, respectively. In contrast, 2.8 kb of 5' flanking sequences from the PCNA gene led to constitutive transcription, but the inclusion of a segment of the PCNA gene first intron, which contains evolutionarily conserved sequences, could enhance transcription in G1/S-enriched nuclei. This PCNA intron region contains a binding site recognized by the transcription factor E2F. To test whether this site is functional, we cotransfected PCNA-CAT genes with E2F-1 and DP-1 expression plasmids. Expression of the E2F-1/DP-1 heterodimer activated the CAT gene with the PCNA intron. Therefore, this intron region, involved in transcriptional activation at the cell cycle G1/S boundary, is also E2F inducible.

Indexed as

Carrier ProteinsCell Cycle ProteinsDNA-Binding ProteinsBase SequenceCell CycleCell NucleusCyclin D1CyclinsDNA Topoisomerases, Type IE2F1 Transcription FactorE2F Transcription FactorsGene Expression RegulationHumansIntronsMolecular Sequence DataOncogene ProteinsCarrier ProteinsCell Cycle ProteinsCyclin D1CyclinsDNA-Binding ProteinsDNA Topoisomerases, Type IE2F1 protein, humanE2F1 Transcription FactorE2F Transcription FactorsOncogene ProteinsProliferating Cell Nuclear AntigenRetinoblastoma-Binding Protein 1TFDP1 protein, humanTranscription Factor DP1Transcription Factors

Identifiers

PMID7734951
PMCPMC6134377
OpenAlexW2413765111

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.