Evidence map›Paper›PMID 17074806›Full record

ArticleMolecular and cellular biology2007

Apigenin prevents UVB-induced cyclooxygenase 2 expression: coupled mRNA stabilization and translational inhibition.

Xin Tong, Rukiyah T Van Dross, Adnan Abu-Yousif, Aubrey R Morrison, Jill C Pelling

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2007. 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
5.7field-weighted citation impact, top 4% 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, 124 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Antioxidants (Basel, Switzerland) · 2021
    Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Plant flavone apigenin: An emerging anticancer agent.Current pharmacology reports · 2017
    Article
  10. Phytochemicals for the Prevention of Photocarcinogenesis.Photochemistry and photobiology · 2017
    Review
  11. Flavones: From Biosynthesis to Health Benefits.Plants (Basel, Switzerland) · 2016
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Targeting the PI3K/Akt/mTOR axis by apigenin for cancer prevention.Anti-cancer agents in medicinal chemistry · 2013
    Review
  17. Review
  18. Article
  19. Article
  20. Article
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 4 institutions in 1 country.

Xin TongDepartment of Pathology, Northwestern University, 303 E. Superior Street, Chicago, IL 60611, USA.
Rukiyah T Van Dross
Adnan Abu-Yousif
Aubrey R Morrison
Jill C Pelling
Northwestern University · USEast Carolina University · USUniversity of Kansas Medical Center · USUniversity of Washington · US

Funding

Inhibition of UVB-induced COX-2 expression by apigeninR01CA104768 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI PELLING, JILL C. · 2004 to 2008
$1.4M
NCI NIH HHS CA 104768NCI NIH HHS R01 CA104768
6 · The paper itself

Abstract

Cyclooxygenase 2 (COX-2) is a key enzyme in the conversion of arachidonic acid to prostaglandins, and COX-2 overexpression plays an important role in carcinogenesis. Exposure to UVB strongly increased COX-2 protein expression in mouse 308 keratinocytes, and this induction was inhibited by apigenin, a nonmutagenic bioflavonoid that has been shown to prevent mouse skin carcinogenesis induced by both chemical carcinogens and UV exposure. Our previous study suggested that one pathway by which apigenin inhibits UV-induced and basal COX-2 expression is through modulation of USF transcriptional activity in the 5' upstream region of the COX-2 gene. Here, we found that apigenin treatment also increased COX-2 mRNA stability, and the inhibitory effect of apigenin on UVB-induced luciferase reporter gene activity was dependent on the AU-rich element of the COX-2 3'-untranslated region. Furthermore, we identified two RNA-binding proteins, HuR and the T-cell-restricted intracellular antigen 1-related protein (TIAR), which were associated with endogenous COX-2 mRNA in 308 keratinocytes, and apigenin treatment increased their localization to cell cytoplasm. More importantly, reduction of HuR levels by small interfering RNA inhibited apigenin-mediated stabilization of COX-2 mRNA. Cells expressing reduced TIAR showed marked resistance to apigenin's ability to inhibit UVB-induced COX-2 expression. Taken together, these results indicate that in addition to transcriptional regulation, another mechanism by which apigenin prevents COX-2 expression is through mediating TIAR suppression of translation.

Indexed as

Gene Expression RegulationProtein BiosynthesisUltraviolet RaysAnimalsApigeninCyclooxygenase 2CytoplasmDactinomycinDinoprostoneKeratinocytesMiceMice, Inbred BALB CRNA-Binding ProteinsRNA, MessengerSubcellular FractionsApigeninCyclooxygenase 2DactinomycinDinoprostoneRNA-Binding ProteinsRNA, MessengerTial1 protein, mouse

Identifiers

PMID17074806
PMCPMC1800648
OpenAlexW2147471897

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.