Evidence map›Paper›PMID 26379052›Full record

ArticlePloS one2015

Suppression of NF-κB and NF-κB-Regulated Gene Expression by Apigenin through IκBα and IKK Pathway in TRAMP Mice.

Sanjeev Shukla, Eswar Shankar, Pingfu Fu, Gregory T MacLennan, Sanjay Gupta

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed, 2 pooled it
5.3field-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

58 citing papers in PubMed, 2 syntheses or guidelines pooled it, 98 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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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 1 country.

Sanjeev ShuklaDepartment of Urology, Case Western Reserve University, Cleveland, Ohio, United States of America; The Urology Institute, University Hospitals Case Medical Center, Cleveland, Ohio, United States of America.
Eswar ShankarDepartment of Urology, Case Western Reserve University, Cleveland, Ohio, United States of America; The Urology Institute, University Hospitals Case Medical Center, Cleveland, Ohio, United States of America.
Pingfu FuDepartment of Epidemiology & Biostatistics, Case Western Reserve University, Cleveland, Ohio, United States of America; Division of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, Ohio, United States of America.
Gregory T MacLennanDepartment of Pathology, Case Western Reserve University, Cleveland, Ohio, United States of America.
Sanjay GuptaDepartment of Urology, Case Western Reserve University, Cleveland, Ohio, United States of America; The Urology Institute, University Hospitals Case Medical Center, Cleveland, Ohio, United States of America; Department of Nutrition, Case Western Reserve University, Cleveland, Ohio, United States of America; Division of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, Ohio, United States of America; Department of Urology, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio, United States of America.
University Hospitals Case Medical Center · USCase Western Reserve University · US

Funding

Prostate Cancer Chemoprevention by ApigeninR01CA108512 · NCI · CASE WESTERN RESERVE UNIVERSITY · PI GUPTA, SANJAY · 2004 to 2014
$2.4M
Targeting EZH2 in Prostate Cancer by LuteolinI01BX002494 · VA · LOUIS STOKES CLEVELAND VA MEDICAL CENTER · PI GUPTA, SANJAY · 2015 to 2018
–
BLRD VA I01 BX002494NCI NIH HHS R01 CA108512
6 · The paper itself

Abstract

Aberrant Nuclear Factor-κappaB (NF-κB) activation due to rapid IκBα turnover and high basal IκBα kinase (IKK) activity has been frequently observed in prostate cancer. Apigenin, a naturally occurring plant flavone, exhibits anti-proliferative, anti-inflammatory and anti-carcinogenic activities by inhibiting NF-κB pathway, through a mechanism not fully understood. We found that apigenin feeding in microgram doses (bioavailable in humans) inhibited prostate tumorigenesis in TRAMP mice by interfering with NF-κB signaling. Apigenin feeding to TRAMP mice (20 and 50 μg/mouse/day, 6 days/week for 20 weeks) exhibited significant decrease in tumor volumes of the prostate and completely abolished metastasis, which correlated with inhibition of NF-κB activation and binding to the DNA. Apigenin intake blocked phosphorylation and degradation of IκBα by inhibiting IKK activation, which in turn led to suppression of NF-κB activation. The expression of NF-κB-regulated gene products involved in proliferation (cyclin D1, and COX-2), anti-apoptosis (Bcl-2 and Bcl-xL), and angiogenesis (vascular endothelial growth factor) were also downregulated after apigenin feeding. These events correlated with the induction of apoptosis in tumor cells, as evident by increased cleaved caspase-3 labeling index in the dorsolateral prostate. Our results provide convincing evidence that apigenin inhibits IKK activation and restores the expression of IκBα, preventing it's phosphorylation in a fashion similar to that elicited by IKK and proteasomal inhibitors through suppression of NF-κB signaling pathway.

Indexed as

AnimalsAnticarcinogenic AgentsAnti-Inflammatory AgentsApigeninApoptosisCaspase 3Cell ProliferationDown-RegulationEnzyme ActivationGene Expression Regulation, NeoplasticI-kappa B KinaseMaleMiceMice, Inbred C57BLNeovascularization, PathologicNF-kappa BAnticarcinogenic AgentsAnti-Inflammatory AgentsApigeninCaspase 3I-kappa B KinaseNF-kappa BVascular Endothelial Growth Factor A

Identifiers

PMID26379052
PMCPMC4574560
OpenAlexW2205597751

What OpenQuestion holds

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LicenceCC0
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.