Evidence map›Paper›PMID 27220467›Full record

ArticleNucleic acids research2016

Preferential extension of short telomeres induced by low extracellular pH.

Yuanlong Ge, Shu Wu, Yong Xue, Jun Tao, Feng Li, Yanlian Chen, Haiying Liu, Wenbin Ma, Junjiu Huang, Yong Zhao

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 23% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. Journal of enzyme inhibition and medicinal chemistry · 2020
    Article
  8. POT1-TPP1 telomere length regulation and disease.Computational and structural biotechnology journal · 2020
    Review
  9. Article
  10. Moderate-to-severe obstructive sleep apnea is associated with telomere lengthening.American journal of physiology. Heart and circulatory physiology · 2017
    Article
  11. Review
  12. ASIC1a mediates the drug resistance of human hepatocellular carcinoma via the CaLaboratory investigation; a journal of technical methods and pathology · 2017
    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

10 authors at 4 institutions in 1 country.

Yuanlong GeKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China Collaborative Innovation Center of High Performance Computing, National University of Defense Technology, Changsha 410073, China Zhongshan Medical School, Sun Yat-sen University, Guangzhou 510006, P. R. China.
Shu WuKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China.
Yong XueJiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Huaihai Institute of Technology, Lianyungang 222005, China.
Jun TaoDepartment of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510006, China.
Feng LiKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China.
Yanlian ChenKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China Collaborative Innovation Center of High Performance Computing, National University of Defense Technology, Changsha 410073, China.
Haiying LiuKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China Collaborative Innovation Center of High Performance Computing, National University of Defense Technology, Changsha 410073, China.
Wenbin MaKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China.
Junjiu HuangKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China.
Yong ZhaoKey Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China Collaborative Innovation Center of High Performance Computing, National University of Defense Technology, Changsha 410073, China zhaoy82@mail.sysu.edu.cn.
Sun Yat-sen University · CNNational University of Defense Technology · CNJiangsu Ocean University · CNThe First Affiliated Hospital, Sun Yat-sen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The majority of tumor cells overcome proliferative limit by expressing telomerase. Whether or not telomerase preferentially extends the shortest telomeres is still under debate. When human cancer cells are cultured at neutral pH, telomerase extends telomeres in telomere length-independent manner. However, the microenvironment of tumor is slightly acidic, and it is not yet known how this influences telomerase action. Here, we examine telomere length homeostasis in tumor cells cultured at pHe 6.8. The results indicate that telomerase preferentially extends short telomeres, such that telomere length distribution narrows and telomeres become nearly uniform in size. After growth at pHe 6.8, the expression of telomerase, TRF1, TRF2 and TIN2 decreases, and the abundance of Cajal bodies decreases. Therefore, telomerase are insufficient for extending every telomere and shorter telomeres bearing less shelterin proteins are more accessible for telomerase recruitment. The findings support the 'protein-counting mechanism' in which extended and unextended state of telomere is determined by the number of associated shelterin proteins and the abundance of telomerase. Decreased expression of telomerase and preferential extension of short telomeres have important implications for tumor cell viability, and generate a strong rationale for research on telomerase-targeted anti-cancer therapeutics.

Indexed as

Telomere ShorteningAcetylationChromatinDNAExtracellular SpaceHeLa CellsHistonesHumansHydrogen-Ion ConcentrationShelterin ComplexTelomeraseTelomereTelomere-Binding ProteinsTelomeric Repeat Binding Protein 2ChromatinDNAHistonesShelterin ComplexTelomeraseTelomere-Binding ProteinsTelomeric Repeat Binding Protein 2

Identifiers

PMID27220467
PMCPMC5041450
OpenAlexW2407267026

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.