Evidence map›Paper›PMID 28796247›Full record

ArticleCell death & disease2017

P53-dependent downregulation of hTERT protein expression and telomerase activity induces senescence in lung cancer cells as a result of pterostilbene treatment.

Rong-Jane Chen, Pei-Hsuan Wu, Chi-Tang Ho, Tzong-Der Way, Min-Hsiung Pan, Hsiu-Min Chen, Yuan-Soon Ho, Ying-Jan Wang

Open access · goldAbstract read
In one paragraph

Article in Cell death & disease, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
4.5field-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

34 citing papers in PubMed, 69 citations in OpenAlex.

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  13. Traditional Chinese medicine for treating aplastic anemia.Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques · 2023
    Review
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  15. Oncology reports · 2022
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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

8 authors at 6 institutions in 3 countries.

Rong-Jane ChenDepartment of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.ORCID 0000-0002-2326-934X
Pei-Hsuan WuDepartment of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
Chi-Tang HoDepartment of Food Science, Rutgers University, New Brunswick, NJ, USA.
Tzong-Der WayDepartment of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan.
Min-Hsiung PanInstitute of Food Science and Technology, National Taiwan University, Taipei, Taiwan.
Hsiu-Min ChenGraduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.
Yuan-Soon HoGraduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.
Ying-Jan WangDepartment of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.ORCID 0000-0003-3169-2495
National Cheng Kung University · TWTaipei Medical University · TWAsia University · TWChina Medical University · TWHuanggang Normal University · CNRutgers, The State University of New Jersey · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cellular senescence is characterized by permanent cell cycle arrest, triggered by a variety of stresses, such as telomerase inhibition, and it is recognized as a tumor-suppressor mechanism. In recent years, telomerase has become an important therapeutic target in several cancers; inhibition of telomerase can induce senescence via the DNA damage response (DDR). Pterostilbene (PT), a dimethyl ether analog of resveratrol, possesses a variety of biological functions, including anticancer effects; however, the molecular mechanisms underlying these effects are not fully understood. In this study, we investigated the possible mechanisms of PT-induced senescence through telomerase inhibition in human non-small cell lung cancer cells and delineated the role of p53 in senescence. The results indicated that PT-induced senescence is characterized by a flattened morphology, positive staining for senescence-associated-β galactosidase activity, and the formation of senescence-associated heterochromatic foci. Telomerase activity and protein expression was significantly decreased in H460 (p53 wild type) cells compared with H1299 (p53 null) cells and p53 knockdown H460 cells (H460-p53-). A more detailed mechanistic study revealed that PT-induced senescence partially occurred via a p53-dependent mechanism, triggering inhibition of telomerase activity and protein expression, and leading to the DDR, S phase arrest and, finally, cellular senescence. This study is the first to explore the novel anticancer mechanism of PT senescence induction via the inhibition of telomerase in lung cancer cells.

Indexed as

Blotting, WesternCarcinoma, Non-Small-Cell LungCell Line, TumorCellular SenescenceComet AssayFluorescent Antibody TechniqueHumansLung NeoplasmsStilbenesTelomeraseTumor Suppressor Protein p53pterostilbeneStilbenesTelomeraseTumor Suppressor Protein p53

Identifiers

PMID28796247
PMCPMC5596539
OpenAlexW2744764618

What OpenQuestion holds

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LicenceCC BY
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.