Evidence map›Paper›PMID 25931004›Full record

ArticleThe Journal of steroid biochemistry and molecular biology2015

Genistein increases estrogen receptor beta expression in prostate cancer via reducing its promoter methylation.

Abeer M Mahmoud, Umaima Al-Alem, Mohamed M Ali, Maarten C Bosland

Abstract read
In one paragraph

Article in The Journal of steroid biochemistry and molecular biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
7.1field-weighted citation impact, top 2% 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

42 citing papers in PubMed, 76 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

4 authors at 1 institution in 1 country.

Abeer M MahmoudDepartment of Pathology, University of Illinois at Chicago, Chicago, IL, USA. Electronic address: amahmo4@uic.edu.
Umaima Al-AlemSchool of Public Health, University of Illinois at Chicago, Chicago, IL, USA.
Mohamed M AliSchool of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL, USA.
Maarten C BoslandDepartment of Pathology, University of Illinois at Chicago, Chicago, IL, USA.
University of Illinois Chicago · US

Funding

ADJUVANT TRIAL WITH SOY AFTER RADICAL PROSTATECTOMYR01CA116195 · NCI · UNIVERSITY OF ILLINOIS AT CHICAGO · PI BOSLAND, MAARTEN C · 2006 to 2010
$1.6M
NCI NIH HHS CA 116195NCI NIH HHS R01 CA116195
6 · The paper itself

Abstract

Genistein has protective effects against prostate cancer (PCa) but whether this protection involves an estrogen receptor (ER) β dependent mechanism has yet to be elucidated. ER-β has a tumor suppressor role in PCa and its levels decline with cancer progression which was linked to ER-β promoter hypermethylation. Genistein has been suggested to have demethylating activities in cancer. However, the ability of genistein to reverse ER-β promoter hypermethylation in PCa has not been studied. In addition, there are great discrepancies among studies that examined the effect of genistein on ER-β gene expression. Therefore, we sought to explore effects of genistein on ER-β promoter methylation as a mechanism of modulating ER-β expression using three PCa cell lines, LNCaP, LAPC-4 and PC-3. We also examined the role of ER-β in mediating the preventive action of genistein. Our data demonstrated that genistein at physiological ranges (0.5-10 μmol/L) reduced ER-β promoter methylation significantly with corresponding dose-dependent increases in ER-β expression in LNCaP and LAPC-4 but not in PC-3 cells, which could be attributed to the low basal levels of ER-β promoter methylation in PC-3 cell line. Genistein induced phosphorylation, nuclear translocation and transcriptional activity of ER-β in all three PCa cell lines. Inhibitory effects of genistein on LAPC-4 and PC-3 cell proliferation were diminished using a specific ER-β antagonist. In conclusion, genistein and ER-β act together to prevent PCa cell proliferation; genistein increases ER-β levels via reducing its promoter methylation and ER-β, in turn, mediates the preventive action of genistein.

Indexed as

Active Transport, Cell NucleusBase SequenceCell Line, TumorCell ProliferationDNA MethylationEstrogen Receptor betaGenisteinHumansMaleMolecular Sequence DataPhosphorylationPromoter Regions, GeneticProstatic NeoplasmsProtein Kinase InhibitorsPyrazolesPyrimidines4-(2-phenyl-5,7-bis(trifluoromethyl)pyrazolo(1,5-a)pyrimidin-3-yl)phenolEstrogen Receptor betaGenisteinProtein Kinase InhibitorsPyrazolesPyrimidinesRNA, Small InterferingEstrogen receptor βGenisteinPromoter methylationProstate cancer

Identifiers

PMID25931004
PMCPMC4501888
OpenAlexW1995858617

What OpenQuestion holds

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LicenceTDM
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.