Evidence map›Paper›PMID 23028742›Full record

ArticlePloS one2012

The natural anticancer agent plumbagin induces potent cytotoxicity in MCF-7 human breast cancer cells by inhibiting a PI-5 kinase for ROS generation.

Ju-Hee Lee, Ji-Hyun Yeon, Hanna Kim, Whijae Roh, Jeiwook Chae, Han-Oh Park, Dong-Myung Kim

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
4.6field-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

28 citing papers in PubMed, 77 citations in OpenAlex.

  1. Article
  2. Review
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    Review
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  19. Article
  20. Mannich bases in medicinal chemistry and drug design.European journal of medicinal chemistry · 2015
    Review
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.

Ju-Hee LeeS. pombe Research Team, Gene-to-Drug Division, Bioneer Corporation, Daejeon, Republic of Korea.
Ji-Hyun Yeon
Hanna Kim
Whijae Roh
Jeiwook Chae
Han-Oh Park
Dong-Myung Kim

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Drug-induced haploinsufficiency (DIH) in yeast has been considered a valuable tool for drug target identification. A plant metabolite, plumbagin, has potent anticancer activity via reactive oxygen species (ROS) generation. However, the detailed molecular targets of plumbagin for ROS generation are not understood. Here, using DIH and heterozygous deletion mutants of the fission yeast Schizosaccharomyces pombe, we identified 1, 4-phopshatidylinositol 5-kinase (PI5K) its3 as a new molecular target of plumbagin for ROS generation. Plumbagin showed potent anti-proliferative activity (GI(50); 10 µM) and induced cell elongation and septum formation in wild-type S. pombe. Furthermore, plumbagin dramatically increased the intracellular ROS level, and pretreatment with the ROS scavenger, N-acetyl cysteine (NAC), protected against growth inhibition by plumbagin, suggesting that ROS play a crucial role in the anti-proliferative activity in S. pombe. Interestingly, significant DIH was observed in an its3-deleted heterozygous mutant, in which ROS generation by plumbagin was higher than that in wild-type cells, implying that its3 contributes to ROS generation by plumbagin in this yeast. In MCF7 human breast cancer cells, plumbagin significantly decreased the level of a human ortholog, 1, 4-phopshatidylinositol 5-kinase (PI5K)-1B, of yeast its3, and knockdown of PI5K-1B using siPI5K-1B increased the ROS level and decreased cell viability. Taken together, these results clearly show that PI5K-1B plays a crucial role in ROS generation as a new molecular target of plumbagin. Moreover, drug target screening using DIH in S. pombe deletion mutants is a valuable tool for identifying molecular targets of anticancer agents.

Indexed as

Antineoplastic AgentsBreast NeoplasmsCell DeathCell ProliferationCell SurvivalDown-RegulationDrug Screening Assays, AntitumorFemaleGene Knockdown TechniquesHaploinsufficiencyHeterozygoteHumansMCF-7 CellsModels, BiologicalMutationNaphthoquinones1-phosphatidylinositol-4-phosphate 5-kinaseAntineoplastic AgentsNaphthoquinonesPhosphotransferases (Alcohol Group Acceptor)plumbaginReactive Oxygen SpeciesRNA, Small Interfering

Identifiers

PMID23028742
PMCPMC3441601
OpenAlexW2077611484

What OpenQuestion holds

Textmetadata
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.