Evidence map›Paper›PMID 20146248›Full record

ArticleMolecular carcinogenesis2010

Grape seed proanthocyanidin suppression of breast cell carcinogenesis induced by chronic exposure to combined 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and benzo[a]pyrene.

Xiaoyu Song, Nalin Siriwardhana, Kusum Rathore, Degui Lin, Hwa-Chain Robert Wang

Abstract read
In one paragraph

Article in Molecular carcinogenesis, 2010. 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
3.8field-weighted citation impact, top 6% 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, 37 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

5 authors at 2 institutions in 2 countries.

Xiaoyu SongDepartment of Comparative Medicine, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee 37996, USA.
Nalin Siriwardhana
Kusum Rathore
Degui Lin
Hwa-Chain Robert Wang
University of Tennessee at Knoxville · USChina Agricultural University · CN

Funding

Carcinogenesis cellular model for identifying preventive agentsR03CA125795 · NCI · UNIVERSITY OF TENNESSEE KNOXVILLE · PI WANG, HWA-CHAIN ROBERT · 2007 to 2008
$145k
NCI NIH HHS CA125795NCI NIH HHS R03 CA125795
6 · The paper itself

Abstract

Breast cancer is the most common type of cancer among women in northern America and northern Europe; dietary prevention is a cost-efficient strategy to reduce the risk of this disease. To identify dietary components for the prevention of human breast cancer associated with long-term exposure to environmental carcinogens, we studied the activity of grape seed proanthocyanidin extract (GSPE) in suppression of cellular carcinogenesis induced by repeated exposures to low doses of environmental carcinogens. We used combined carcinogens 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and benzo[a]pyrene (B[a]P), at picomolar concentrations, to repeatedly treat noncancerous, human breast epithelial MCF10A cells to induce cellular acquisition of cancer-related properties of reduced dependence on growth factors, anchorage-independent growth, and acinar-conformational disruption. Using these properties as biological target endpoints, we verified the ability of GSPE to suppress combined NNK- and B[a]P-induced precancerous cellular carcinogenesis and identified the minimal, noncytotoxic concentration of GSPE required for suppressing precancerous cellular carcinogenesis. We also identified that hydroxysteroid-11-beta-dehydrogenase 2 (HSD11B2) may play a role in NNK- and B[a]P-induced precancerous cellular carcinogenesis, and its expression may act as a molecular target endpoint in GSPE's suppression of precancerous cellular carcinogenesis. And, the ability of GSPE to reduce gene expression of cytochrome-P450 enzymes CYP1A1 and CYP1B1, which can bioactivate NNK and B[a]P, possibly contributes to the preventive mechanism for GSPE in suppression of precancerous cellular carcinogenesis. Our model system with biological and molecular target endpoints verified the value of GSPE for the prevention of human breast cell carcinogenesis induced by repeated exposures to low doses of multiple environmental carcinogens.

Indexed as

Base SequenceBenzo(a)pyreneBlotting, WesternBreast NeoplasmsCarcinogensCell AdhesionCell Line, TumorCell Transformation, NeoplasticDNA PrimersFemaleHumansNitrosaminesProanthocyanidinsReverse Transcriptase Polymerase Chain ReactionRNA InterferenceSeeds4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanoneBenzo(a)pyreneCarcinogensDNA PrimersNitrosaminesproanthocyanidinProanthocyanidins

Identifiers

PMID20146248
PMCPMC3152701
OpenAlexW2137179861

What OpenQuestion holds

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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.