Evidence map›Paper›PMID 26452361›Full record

SynthesisMolecular neurobiology2016

Contribution of GABRG2 Polymorphisms to Risk of Epilepsy and Febrile Seizure: a Multicenter Cohort Study and Meta-analysis.

Batoul Sadat Haerian, Larry Baum, Patrick Kwan, Stacey S Cherny, Jae-Gook Shin, Sung Eun Kim, Bok-Ghee Han, Hui Jan Tan, Azman Ali Raymond, Chong Tin Tan and 1 more

Registry-linked trialAbstract readMeta-AnalysisMulticenter Study
PubMed Publisher
In one paragraph

Synthesis in Molecular neurobiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05450822 (The BrainDrugs-Epilepsy Study), which is not on this map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 27% 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.

NCT05450822 recruitingnot on this mapstarted 2022, after this paper: background citation

The BrainDrugs-Epilepsy Study: A Prospective Open-label Cohort Precision Medicine Study in Epilepsy

TypeobservationalSponsorGitte Moos KnudsenRan2022 to 2031Enrolled550ConditionsEpilepsyArmsLevetiracetam, Levetiracetam Tablets, Lamotrigine tablet
3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Age-dependent expression of ion channel genes in rat.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2023
    Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. The Effects of Gene Variations ofPharmacogenomics and personalized medicine · 2021
    Article
  12. Genetic Polymorphism ofPharmacogenomics and personalized medicine · 2021
    Article
  13. Review
  14. Lack of association between valproic acid response and polymorphisms of its metabolism, transport, and receptor genes in children with focal seizures.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2019
    Article
  15. Article
  16. Article
  17. Febrile seizures: an overview.Drugs in context · 2018
    Review
  18. 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

11 authors at 7 institutions in 4 countries.

Batoul Sadat HaerianPharmacogenomics Laboratory, Department of Pharmacology, Faculty of Medicine, University of Malaya, Lembah Pantai, 59100, Kuala Lumpur, Malaysia. batoolsadat@yahoo.com.
Larry BaumSchool of Pharmacy, The Chinese University of Hong Kong, Shatin, Hong Kong, China. lwbaum@hotmail.com.
Patrick KwanDivision of Neurology, Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
Stacey S ChernyDepartment of Psychiatry and The State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong, China.
Jae-Gook ShinDepartment of Pharmacology and Pharmacogenomics Research Center, College of Medicine, Inje University, Busan, South Korea.
Sung Eun KimDepartment of Neurology, Haeundae Paik Hospital, Inje University, Busan, South Korea.
Bok-Ghee HanCenter for Genome Science, Korea National Institute of Health, Chungcheongbuk-do, South Korea.
Hui Jan TanDepartment of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
Azman Ali RaymondDepartment of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
Chong Tin TanDepartment of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
Zahurin MohamedPharmacogenomics Laboratory, Department of Pharmacology, Faculty of Medicine, University of Malaya, Lembah Pantai, 59100, Kuala Lumpur, Malaysia.
University of Malaya · MYChinese University of Hong Kong · CNNational University of Malaysia · MYInje University · KRInje University Haeundae Paik Hospital · KRKorea National Institute of Health · KRUniversity of Hong Kong · HK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gamma-aminobutyric acid receptor (GABA-A) is the most common receptor of fast synaptic inhibition in the human brain. Gamma protein encoded by the GABRG2 gene is one of the subunits of the GABA-A receptor, which plays an essential role in the function of this receptor. Several studies have identified various febrile seizure (FS) and epilepsy risk variants of GABRG2 gene in different populations, but some others did not support these results. The aim of this case-control study is to investigate whether GABRG2 polymorphisms contribute to susceptibility for FS and epilepsy in pooled data of three cohorts, from Malaysia (composed of Malay, Chinese, and Indian), Hong Kong, and Korea. Furthermore, the pooled dataset of these cohorts with previous reports were meta-analyzed for determining the risk effect size of the rs211037 polymorphism on FS and symptomatic epilepsy (SE). The rs211037, rs210987, rs440218, rs2422106, rs211014, and rs401750 polymorphisms were genotyped in the 6442 subjects (1729 epilepsy and 4713 controls). Results of the case-control study showed associations between rs211037 and the risk of SE in the pooled data from all cohorts (T vs. C, p = 3 × 10(-5), and TT vs. CC, p = 2 × 10(-5)) and the risk of partial seizure in the combined data of Malaysia and Hong Kong (both T vs. C and TT vs. CC, p = 2 × 10(-6)). The rs211037-rs210987 and rs2422106-rs211014-rs401750 haplotypes were also associated with susceptibility to SE in Chinese. Meta-analysis of all Asians identified association between rs211037 and FS and SE (T vs. C, p = 4 × 10(-4), and p = 4 × 10(-3), respectively). In conclusion, rs211037 alone may be a risk factor for FS, partial seizure, and SE, and in linkage disequilibrium with rs210987 can contribute to FS and SE in Asians, particularly in Chinese.

Indexed as

Genetic Predisposition to DiseaseAdolescentAdultCase-Control StudiesChildCohort StudiesDemographyEpilepsyFemaleGene FrequencyGenetic Association StudiesHumansLinkage DisequilibriumMalePolymorphism, Single NucleotideReceptors, GABA-AGABRG2 protein, humanReceptors, GABA-AEpilepsyGABRG2PolymorphismSusceptibility

Identifiers

PMID26452361
OpenAlexW1853629735

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.