Evidence map›Paper›PMID 25915064›Full record

ArticlePloS one2015

Effects of antiepileptic drug monotherapy on one-carbon metabolism and DNA methylation in patients with epilepsy.

Guanzhong Ni, Jiaming Qin, Hongliang Li, Ziyi Chen, Yafang Zhou, Ziyan Fang, Yishu Chen, Jueqian Zhou, Min Huang, Liemin Zhou

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
4.0field-weighted citation impact, top 7% 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

19 citing papers in PubMed, 32 citations in OpenAlex.

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  13. Association of Polymorphisms in Genes Involved in One-Carbon Metabolism withInternational journal of molecular sciences · 2019
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  19. Concentrations of the Selected Biomarkers of Endothelial Dysfunction in Response to Antiepileptic Drugs: A Literature Review.Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis
    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

10 authors at 2 institutions in 1 country.

Guanzhong NiDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Jiaming QinDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Hongliang LiInstitute of Clinical Pharmacology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Ziyi ChenDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Yafang ZhouInstitute of Clinical Pharmacology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Ziyan FangDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Yishu ChenDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Jueqian ZhouDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Min HuangInstitute of Clinical Pharmacology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Liemin ZhouDepartment of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
Sun Yat-sen University · CNThe First Affiliated Hospital, Sun Yat-sen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe aim of this study was to compare the serum levels of one-carbon metabolism (OCM) nutrients (e.g., folate, homocysteine and vitamin B12) and peripheral blood DNA methylation in epileptic patients under treatment with antiepileptic drugs (AEDs) and in healthy controls.

methodsIn this cross-sectional study, 60 patients with epilepsy who were receiving valproate (VPA) (n = 30) or lamotrigine (LTG) (n = 30) monotherapy were enrolled. Thirty age and sex matched healthy subjects served as the controls. Serum concentrations of OCM nutrients and peripheral blood DNA methylation status were measured.

resultsCompared to the control group, the VPA group had higher serum levels of homocysteine (p<0.05). No difference in homocysteine concentration was observed in the LTG group. Patients receiving VPA or LTG had significantly lower serum folate levels in comparison with controls (p<0.001). The level of methylation of long interspersed nucleotide element-1 (LINE-1) in peripheral blood was not significantly different between the AED monotherapy group and healthy controls. A difference in the methylation levels of methylenetetrahydrofolate reductase (MTHFR) amplicon was observed between AED-treated patients with epilepsy and controls (p<0.01). A positive correlation between serum folate levels and peripheral blood MTHFR amplicon methylation status was also observed (r = 0.25, p = 0.023).

conclusionOur findings suggest that the effects of AED monotherapy on OCM may induce specific regions of DNA hypomethylation.

Indexed as

AdolescentAdultAnticonvulsantsCase-Control StudiesCross-Sectional StudiesDNA MethylationEpilepsyFemaleFolic AcidHeterocyclic CompoundsHomocysteineHumansLamotrigineLong Interspersed Nucleotide ElementsMaleMethylenetetrahydrofolate Reductase (NADPH2)AnticonvulsantsFolic AcidHeterocyclic CompoundsHomocysteineLamotrigineMethylenetetrahydrofolate Reductase (NADPH2)MTHFR protein, humanTriazinesValproic AcidVitamin B 12

Identifiers

PMID25915064
PMCPMC4410915
OpenAlexW2056670829

What OpenQuestion holds

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LicenceCC BY
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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.