Cited by 33Epilepsy research and treatmentPharmacological Effects and Toxicity StudiesNeuroscience and Neuropharmacology Research

Increased expression of BDNF transcript with exon VI in hippocampi of patients with pharmaco-resistant temporal lobe epilepsy

Martínez-Levy, G.A., Rocha, L., Lubin, F.D., Alonso-Vanegas, M.A., Nani, A., Buentello-García, R.M., Pérez-Molina, R., Briones-Velasco, M. +5 more·2016·Neuroscience

Abstract

A putative role of the brain-derived neurotrophic factor (BDNF) in epilepsy has emerged from in vitro and animal models, but few studies have analyzed human samples. We assessed the BDNF expression of transcripts with exons I (BDNFI), II (BDNFII), IV (BDNFIV) and VI (BDNFVI) and methylation levels of promoters 4 and 6 in the hippocampi of patients with pharmaco-resistant temporal lobe epilepsy (TLE) (n=24). Hippocampal sclerosis (HS) and pre-surgical pharmacological treatment were considered as clinical independent variables. A statistical significant increase for the BDNFVI (p<0.05) was observed in TLE patients compared to the autopsy control group (n=8). BDNFVI was also increased in anxiety/depression TLE (N=4) when compared to autopsies or to the remaining group of patients (p<0.05). In contrast, the use of the antiepileptic drug Topiramate (TPM) (N=3) was associated to a decrease in BDNFVI expression (p<0.05) when compared to the remaining group of patients. Methylation levels at the BDNF promoters 4 and 6 were similar between TLE and autopsies and in relation to the use of either Sertraline (SRT) or TPM. These results suggest an up-regulated expression of a specific BDNF transcript in patients with TLE, an effect that seems to be dependent on the use of specific drugs.

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Crossref · 10.1016/j.neuroscience.2015.11.046

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Authors
Martínez-Levy, G. A., Rocha, L., Lubin, F. D., Alonso-Vanegas, M. A., Nani, A., Buentello-García, R. M., Pérez-Molina, R., Briones-Velasco, M., Recillas-Targa, F., Pérez-Molina, A., San-Juan, D., Cienfuegos, J., & Cruz-Fuentes, C. S.
Affiliations
  • Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz (MX)
  • Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (MX)
  • University of Alabama at Birmingham (US)
  • Instituto Nacional de Neurología y Neurocirugía (MX)
Corresponding author
Cruz-Fuentes, C.S.
Venue
Neuroscience
Publisher
Elsevier BV
Published
2016-02
Volume
314
Pages
12-21
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2175445854
Cited by
33
References
52
Citations by year
2026: 3 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 5 · 2021: 4 · 2020: 4 · 2018: 4 · 2017: 2 · 2016: 2
FWCI
2.16
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Psychiatry
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Pharmacological Effects and Toxicity Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
brain-derived neurotrophic factor, BDNF isoforms, hippocampus, hippocampal sclerosis, promoter methylation, topiramate, sertraline, antiepileptic drugs, gene expression
MeSH terms
Topiramate, Adult, Aged, Anticonvulsants, Epilepsy, Temporal Lobe, Exons, Female, Fructose, Hippocampus, Humans, Male, Middle Aged, Promoter Regions, Genetic, RNA, Messenger, DNA Methylation, Brain-Derived Neurotrophic Factor, Sertraline, Young Adult

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