Evidence map›Paper›PMID 22469187›Full record

ArticleCancer science2012

Arecoline downregulates levels of p21 and p27 through the reactive oxygen species/mTOR complex 1 pathway and may contribute to oral squamous cell carcinoma.

Wen-Tsai Ji, Sheng-Ru Yang, Jeff Yi-Fu Chen, Ya-Ping Cheng, Ying-Ray Lee, Ming-Ko Chiang, Hau-Ren Chen

Open access · greenAbstract read
In one paragraph

Article in Cancer science, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
2.6field-weighted citation impact, top 12% 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

24 citing papers in PubMed, 45 citations in OpenAlex.

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  9. [Relationship among areca nut, intracellular reactive oxygen species, and autophagy].Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2020
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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

7 authors at 3 institutions in 1 country.

Wen-Tsai JiDepartment of Life Science, Institute of Molecular Biology and Institute of Biomedical Science, College of Science, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan.
Sheng-Ru Yang
Jeff Yi-Fu Chen
Ya-Ping Cheng
Ying-Ray Lee
Ming-Ko Chiang
Hau-Ren Chen
National Chung Cheng University · TWKaohsiung Medical University · TWMin-Hwei College of Health Care Management · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Arecoline, the major alkaloid of areca nut, has been shown to cause strong genotoxicity and is considered a potential carcinogen. However, the detailed mechanism for arecoline-induced carcinogenesis remains obscure. In this study, we noticed that the levels of p21 and p27 increased in two oral squamous cell carcinoma cell lines with high confluence. Furthermore, when treated with arecoline, elevated levels of p21 and p27 could be downregulated through the reactive oxygen species/mTOR complex 1 (ROS/mTORC1) pathway. Although arecoline decreased the activity of mTORC1, the amounts of autophagosome-like vacuoles or type II LC3 remained unchanged, suggesting that the downregulation of p21 and p27 was independent of autophagy-mediated protein destruction. Arecoline also caused DNA damage through ROS, indicating that the reduced levels of p21 and p27 might facilitate G (1) /S transition of the cell cycle and subsequently lead to error-prone DNA replication. In conclusion, these data have provided a possible mechanism for arecoline-induced carcinogenesis in subcytolytic doses in vivo.

Indexed as

ArecolineBlotting, WesternCarcinoma, Squamous CellCell Line, TumorCell ProliferationCholinergic AgonistsCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27DNA DamageDown-RegulationG1 Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsHumansMaleMechanistic Target of Rapamycin Complex 1Microscopy, FluorescenceArecolineCholinergic AgonistsCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Mechanistic Target of Rapamycin Complex 1Multiprotein ComplexesReactive Oxygen SpeciesTOR Serine-Threonine Kinases

Identifiers

PMID22469187
PMCPMC7659358
OpenAlexW2060292025

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.