Evidence map›Paper›PMID 27326764›Full record

ArticlePloS one2016

Correlation between Cyclin Dependent Kinases and Artemisinin-Induced Dormancy in Plasmodium falciparum In Vitro.

Karen-Ann Gray, Karryn J Gresty, Nanhua Chen, Veronica Zhang, Clare E Gutteridge, Christopher L Peatey, Marina Chavchich, Norman C Waters, Qin Cheng

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.2field-weighted citation impact, top 16% 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

10 citing papers in PubMed, 20 citations in OpenAlex.

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  8. Molecular Mechanisms of Drug Resistance inAnnual review of microbiology · 2020
    Review
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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

9 authors at 4 institutions in 2 countries.

Karen-Ann GrayDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Karryn J GrestyDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Nanhua ChenDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Veronica ZhangDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Clare E GutteridgeUS Naval Academy, Annapolis, Maryland, United States of America.
Christopher L PeateyDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Marina ChavchichDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
Norman C WatersWalter Reed Army Institute of Research, Silver Spring, Maryland, United States of America.
Qin ChengDrug Resistance and Diagnostics, Australian Army Malaria Institute, Brisbane, Australia.
QIMR Berghofer Medical Research Institute · AUUnited States Naval Academy · USUniversity of Queensland · AUWalter Reed Army Institute of Research · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundArtemisinin-induced dormancy provides a plausible explanation for recrudescence following artemisinin monotherapy. This phenomenon shares similarities with cell cycle arrest where cyclin dependent kinases (CDKs) and cyclins play an important role.

methodsTranscription profiles of Plasmodium falciparum CDKs and cyclins before and after dihydroartemisinin (DHA) treatment in three parasite lines, and the effect of CDK inhibitors on parasite recovery from DHA-induced dormancy were investigated.

resultsAfter DHA treatment, parasites enter a dormancy phase followed by a recovery phase. During the dormancy phase parasites up-regulate pfcrk1, pfcrk4, pfcyc2 and pfcyc4, and down-regulate pfmrk, pfpk5, pfpk6, pfcrk3, pfcyc1 and pfcyc3. When entering the recovery phase parasites immediately up-regulate all CDK and cyclin genes. Three CDK inhibitors, olomoucine, WR636638 and roscovitine, produced distinct effects on different phases of DHA-induced dormancy, blocking parasites recovery.

conclusionsThe up-regulation of PfCRK1 and PfCRK4, and down regulation of other CDKs and cyclins correlate with parasite survival in the dormant state. Changes in CDK expression are likely to negatively regulate parasite progression from G1 to S phase. These findings provide new insights into the mechanism of artemisinin-induced dormancy and cell cycle regulation of P. falciparum, opening new opportunities for preventing recrudescence following artemisinin treatment.

Indexed as

AnimalsArtemisininsCyclin-Dependent KinasesCyclinsGenes, ProtozoanLife Cycle StagesParasitemiaParasitesPlasmodium falciparumProtein Kinase InhibitorsTranscription, GeneticartemisininArtemisininsartenimolCyclin-Dependent KinasesCyclinsProtein Kinase Inhibitors

Identifiers

PMID27326764
PMCPMC4915707
OpenAlexW2470425475

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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.