Evidence map›Paper›PMID 8419924›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1993

Cathepsin D gene is controlled by a mixed promoter, and estrogens stimulate only TATA-dependent transcription in breast cancer cells.

V Cavaillès, P Augereau, H Rochefort

Open access · greenAbstract readComparative Study
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
4.2field-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

33 citing papers in PubMed, 149 citations in OpenAlex.

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  14. Statistical significance of combinatorial regulations.Proceedings of the National Academy of Sciences of the United States of America · 2013
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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 at 1 institution in 1 country.

V CavaillèsInstitut National de la Santé et de la Recherche Médicale, U 148, Unit Hormones and Cancer, Montpellier, France.
P Augereau
H Rochefort
Institut de Recherche en Cancérologie de Montpellier · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The cathepsin D (cath-D) gene, coding for a ubiquitous lysosomal aspartyl protease, is overexpressed in aggressive human breast cancers, and its transcription is induced by estrogens in hormone-responsive breast cancer cells. We have determined the structure and function of the proximal 5' upstream region of the human cath-D gene from MCF7 cells. We show that the promoter has a compound structure with features of both housekeeping genes (high G+C content and potential transcription factor Sp1 sites) and regulated genes (TATAA sequence). By RNase protection assay, we show that transcription is initiated at five major transcription sites (TSSI to -V) spanning 52 base pairs. In hormone-responsive breast cancer cells, estradiol increased by 6- to 10-fold the level of RNAs initiated at TSSI, which is located about 28 base pairs downstream from the TATA box. The specific regulation by estradiol of transcription starting at site I exclusively was confirmed by primer extension. Moreover, the same estradiol effect was observed in the ZR75-1 cell line and in MDA-MB231 estrogen-resistant breast cancer cells stably transfected with the estrogen receptor. Site-directed mutagenesis indicated that the TATA box is essential for initiation of cath-D gene transcription at TSSI. In breast cancer biopsy samples, high levels of TATA-dependent transcription were correlated with overexpression of cath-D mRNA. We conclude that cath-D behaves, depending on the conditions, as a housekeeping gene with multiple start sites or as a hormone-regulated gene that can be controlled from its TATA box.

Indexed as

Gene Expression Regulation, EnzymologicGene Expression Regulation, NeoplasticPromoter Regions, GeneticTATA BoxTranscription, GeneticAnimalsAntisense Elements (Genetics)Base SequenceBreast NeoplasmsCathepsin DDNADNA, NeoplasmEstradiolExonsFemaleHumansAntisense Elements (Genetics)Cathepsin DDNADNA, NeoplasmEstradiolRNA Probes

Identifiers

PMID8419924
PMCPMC45628
OpenAlexW2016995602

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.