Evidence map›Paper›PMID 27585850›Full record

ArticleGenetics2016

Hydroxyurea Induces Cytokinesis Arrest in Cells Expressing a Mutated Sterol-14α-Demethylase in the Ergosterol Biosynthesis Pathway.

Yong-Jie Xu, Amanpreet Singh, Gerald M Alter

Open access · greenAbstract read
In one paragraph

Article in Genetics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
0.9field-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

21 citing papers in PubMed, 30 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Dissecting the Cell-Killing Mechanisms of Hydroxyurea Using Spot Assays.Methods in molecular biology (Clifton, N.J.) · 2025
    Article
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  10. A missense mutation in themicroPublication biology · 2023
    Article
  11. Smc5/6 Complex Promotes Rad3Molecular and cellular biology · 2022
    Article
  12. Article
  13. Review
  14. Review
  15. Review
  16. RecQ DNA Helicase Rqh1 Promotes Rad3Molecular and cellular biology · 2020
    Article
  17. Article
  18. AMolecular and cellular biology · 2019
    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

3 authors at 1 institution in 1 country.

Yong-Jie XuDepartment of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio 45435 yong-jie.xu@wright.edu.
Amanpreet SinghDepartment of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio 45435.
Gerald M AlterDepartment of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio 45435.
Wright State University · US

Funding

Signaling Mechanism of the DNA Replication CheckpointR01GM110132 · NIGMS · WRIGHT STATE UNIVERSITY · PI XU, YONGJIE · 2015 to 2020
$1.3M
NIGMS NIH HHS R01 GM110132
6 · The paper itself

Abstract

Hydroxyurea (HU) has been used for the treatment of multiple diseases, such as cancer. The therapeutic effect is generally believed to be due to the suppression of ribonucleotide reductase (RNR), which slows DNA polymerase movement at replication forks and induces an S phase cell cycle arrest in proliferating cells. Although aberrant mitosis and DNA damage generated at collapsed forks are the likely causes of cell death in the mutants with defects in replication stress response, the mechanism underlying the cytotoxicity of HU in wild-type cells remains poorly understood. While screening for new fission yeast mutants that are sensitive to replication stress, we identified a novel mutation in the erg11 gene encoding the enzyme sterol-14α-demethylase in the ergosterol biosynthesis pathway that dramatically sensitizes the cells to chronic HU treatment. Surprisingly, HU mainly arrests the erg11 mutant cells in cytokinesis, not in S phase. Unlike the reversible S phase arrest in wild-type cells, the cytokinesis arrest induced by HU is relatively stable and occurs at low doses of the drug, which likely explains the remarkable sensitivity of the mutant to HU. We also show that the mutation causes sterol deficiency, which may predispose the cells to the cytokinesis arrest and lead to cell death. We hypothesize that in addition to the RNR, HU may have a secondary unknown target(s) inside cells. Identification of such a target(s) may greatly improve the chemotherapies that employ HU or help to expand the clinical usage of this drug for additional pathological conditions.

Indexed as

CytokinesisErgosterolHydroxyureaMutationNucleic Acid Synthesis InhibitorsSchizosaccharomycesSchizosaccharomyces pombe ProteinsSterol 14-DemethylaseErgosterolHydroxyureaNucleic Acid Synthesis InhibitorsSchizosaccharomyces pombe ProteinsSterol 14-Demethylasecell cyclecytokinesisfission yeasthydroxyureathe replication checkpoint

Identifiers

PMID27585850
PMCPMC5105871
OpenAlexW2514981953

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.