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Epilepsy: Molecular Mechanisms and Therapies

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 24 May 2024 | Viewed by 4285

Special Issue Editors


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Guest Editor
Department of Animal Physiology and Pharmacology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
Interests: neuropharmacology; behavioral neuroscience; epilepsy; depression; anxiety, natural compounds
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Experimental and Clinical Pharmacology, Medical University of Lublin, 8b Jaczewskiego Str., 20-090 Lublin, Poland
Interests: epilepsy; neuropharmacology; zebrafish; behavioral neuroscience; genetic models; screening; deep phenotyping
Special Issues, Collections and Topics in MDPI journals

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Department of Brain Biochemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
Interests: neurobiology; pharmacology; stress; psychiatric disorders
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Epilepsy is a severe and chronic disorder of the central nervous system that affects about 1% of the population worldwide. It is characterized by recurrent and spontaneous seizures which result from excessive electrical discharges of neurons in various parts of the brain. Seizures might manifest as short periods of unconsciousness as well as disturbances in sensory, motor, or vegetative functions, and might also prolong to status epilepticus. Although pharmacotherapy is the main treatment for epilepsy, the currently available antiseizure drugs do not cure epilepsy but only allow a reduction in the intensity and/or frequency of epileptic seizures. Moreover, anticonvulsant medication often provokes numerous side effects.

The aim of this Special Issue on “Epilepsy: Molecular Mechanisms and Therapies” is to collect innovative research focused on various aspects of the molecular mechanisms of epileptic disorders and epileptogenesis. We are also interested in papers that present some new therapy possibilities for epilepsy and comorbid diseases. Preclinical studies from in vitro tests and animal models as well as clinical studies will be considered.

We look forward to your manuscript submission in the form of original papers, reviews and short communications.

Dr. Dorota Teresa Nieoczym
Dr. Kinga Gawel
Dr. Agnieszka Zelek-Molik
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • epilepsy

  • seizures
  • epileptogenesis
  • anticonvulsant drugs
  • ion channels
  • neurotransmitters
  • molecular mechanisms
  • epilepsy/seizure models

Published Papers (2 papers)

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29 pages, 8340 KiB  
Article
In Silico Analysis, Anticonvulsant Activity, and Toxicity Evaluation of Schisandrin B in Zebrafish Larvae and Mice
by Dorota Nieoczym, Nancy Saana Banono, Katarzyna Stępnik, Agnieszka A. Kaczor, Przemysław Szybkowski, Camila Vicencio Esguerra, Wirginia Kukula-Koch and Kinga Gawel
Int. J. Mol. Sci. 2023, 24(16), 12949; https://doi.org/10.3390/ijms241612949 - 18 Aug 2023
Cited by 2 | Viewed by 1299
Abstract
The aim of this study is to evaluate the anticonvulsant potential of schisandrin B, a main ingredient of Schisandra chinensis extracts. Schisandrin B showed anticonvulsant activity in the zebrafish larva pentylenetetrazole acute seizure assay but did not alter seizure thresholds in the intravenous [...] Read more.
The aim of this study is to evaluate the anticonvulsant potential of schisandrin B, a main ingredient of Schisandra chinensis extracts. Schisandrin B showed anticonvulsant activity in the zebrafish larva pentylenetetrazole acute seizure assay but did not alter seizure thresholds in the intravenous pentylenetetrazole test in mice. Schisandrin B crosses the blood–brain barrier, which we confirmed in our in silico and in vivo analyses; however, the low level of its unbound fraction in the mouse brain tissue may explain the observed lack of anticonvulsant activity. Molecular docking revealed that the anticonvulsant activity of the compound in larval zebrafish might have been due to its binding to a benzodiazepine site within the GABAA receptor and/or the inhibition of the glutamate NMDA receptor. Although schisandrin B showed a beneficial anticonvulsant effect, toxicological studies revealed that it caused serious developmental impairment in zebrafish larvae, underscoring its teratogenic properties. Further detailed studies are needed to precisely identify the properties, pharmacological effects, and safety of schisandrin B. Full article
(This article belongs to the Special Issue Epilepsy: Molecular Mechanisms and Therapies)
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16 pages, 1927 KiB  
Brief Report
A Novel Genetic Variant in MBD5 Associated with Severe Epilepsy and Intellectual Disability: Potential Implications on Neural Primary Cilia
by Mariana Martins, Ana Rafaela Oliveira, Solange Martins, José Pedro Vieira, Pedro Perdigão, Ana Rita Fernandes, Luís Pereira de Almeida, Paulo Jorge Palma, Diana Bela Sequeira, João Miguel Marques Santos, Frederico Duque, Guiomar Oliveira, Ana Luísa Cardoso, João Peça and Catarina Morais Seabra
Int. J. Mol. Sci. 2023, 24(16), 12603; https://doi.org/10.3390/ijms241612603 - 09 Aug 2023
Cited by 1 | Viewed by 2260
Abstract
Disruptions in the MBD5 gene have been linked with an array of clinical features such as global developmental delay, intellectual disability, autistic-like symptoms, and seizures, through unclear mechanisms. MBD5 haploinsufficiency has been associated with the disruption of primary cilium-related processes during early cortical [...] Read more.
Disruptions in the MBD5 gene have been linked with an array of clinical features such as global developmental delay, intellectual disability, autistic-like symptoms, and seizures, through unclear mechanisms. MBD5 haploinsufficiency has been associated with the disruption of primary cilium-related processes during early cortical development, and this has been reported in many neurodevelopmental disorders. In this study, we describe the clinical history of a 12-year-old child harboring a novel MBD5 rare variant and presenting psychomotor delay and seizures. To investigate the impact of MBD5 haploinsufficiency on neural primary cilia, we established a novel patient-derived cell line and used CRISPR-Cas9 technology to create an isogenic control. The patient-derived neural progenitor cells revealed a decrease in the length of primary cilia and in the total number of ciliated cells. This study paves the way to understanding the impact of MBD5 haploinsufficiency in brain development through its potential impact on neural primary cilia. Full article
(This article belongs to the Special Issue Epilepsy: Molecular Mechanisms and Therapies)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title:Mass spectrometry as a quantitative proteomic analysis tool for the search for temporal lobe epilepsy biomarkers: a systematic review

Abstract:
 
Temporal lobe epilepsy (TLE) is the most common form of epilepsy in adults. Tissue reorganization at the site of the epileptogenic focus is accompanied by changes in the expression patterns of protein molecules. The study of mRNA and its corresponding proteins is crucial for understanding the pathogenesis of the disease. Protein expression profiles do not always directly correlate with the levels of their transcripts; therefore, it is protein profiling that is no less important for understanding the molecular mechanisms and biological processes of TLE. The study and annotation of proteins that are statistically significantly different in patients with TLE is an approach to search for biomarkers of this disease, various stages of its development, as well as a method for searching for specific targets for the development of a further therapeutic strategy.
For this study, a systematic search for publications in databases such as PubMed, Springer, Web of Science, Scopus, ScienceDirect, and MDPI was carried out. The following keywords were used: temporal lobe epilepsy, proteomic, biomarkers, mass-spectrometry, protein expression.
Publications from 2003 to the present have been analyzed. Studies of brain tissues, experimental models of epilepsy, as well as biological fluids were analyzed. For each of the groups, aberrantly expressed proteins found in various studies were isolated. Most of the studies omitted important characteristics of the studied patients, such as: duration of illness, type and response to therapy, gender, etc. Proteins that overlap across different tissue types and different studies have been highlighted: DPYSL, PARK7, GFAP, SYT1, C4B, PRDX6, GAPDH, STMN1, APOE, NME1, and others.The most common biological processes for them were Positive regulation of neurofibrillary tangle assembly, regulation of amyloid fibril formation, Lipoprotein catabolic process, Positive regulation of vesicle fusion, Positive regulation of oxidative stress-induced intrinsic apoptotic signaling pathway, Removal of superoxide radicals, Axon extension, Regulation of actin filament depolymerization. MS-based proteomic profiling for a relevant study must accept a number of limitations, the most important of which is the need to compare different types of neurological and, in particular, epileptic disorders. Such a criterion could increase the specificity of the search work and, in the future, lead to the discovery of biomarkers for a particular disease.


Keywords: temporal lobe epilepsy, proteomic, biomarkers, mass-spectrometry, protein expression.

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