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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

238
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
238
Seizures: Classification01:13

Seizures: Classification

507
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
507
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
391
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

493
γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
493
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

235
Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
235
EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

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Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
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Related Experiment Video

Updated: Aug 9, 2025

Behavioral And Physiological Analysis In A Zebrafish Model Of Epilepsy
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Genes4Epilepsy: An epilepsy gene resource.

Karen L Oliver1,2,3, Ingrid E Scheffer1,4,5,6, Mark F Bennett1,2,3

  • 1Department of Medicine, Epilepsy Research Centre, University of Melbourne, Austin Health, Melbourne, Victoria, Australia.

Epilepsia
|February 22, 2023
PubMed
Summary

Researchers curated over 900 epilepsy genes, revealing significant variation in clinical gene panels and highlighting the prevalence of developmental and epileptic encephalopathies. This resource aids genetic epilepsy research.

Keywords:
epilepsy panelgenetic architecturemonogenic diseasepathogenic gene resource

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Author Spotlight: Insights into the Techniques and Findings of Recent Advancements in Epilepsy Research
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Area of Science:

  • Genetics
  • Neurology
  • Medical Research

Background:

  • Epilepsy is a neurological disorder with numerous genetic causes.
  • Identifying all genes responsible for monogenic epilepsies is crucial for diagnosis and research.
  • Current clinical gene panels for epilepsy show considerable heterogeneity.

Purpose of the Study:

  • To create a comprehensive, curated list of genes associated with monogenic epilepsies.
  • To compare and contrast the content of epilepsy gene panels from various clinical diagnostic providers and research resources.
  • To establish a publicly available resource for epilepsy gene research.

Main Methods:

  • Compared genes on epilepsy panels from four clinical providers and two research resources.
  • Compiled a master list of unique genes, supplemented by PubMed searches.
  • Manually reviewed evidence for monogenic epilepsy causation, excluding disputed genes.
  • Annotated genes by inheritance pattern and epilepsy phenotype.

Main Results:

  • High heterogeneity observed in the number and content of clinical epilepsy gene panels (144-511 genes).
  • Only 111 genes (15.5%) were common across all four clinical panels.
  • Curated list identified over 900 monogenic epilepsy etiologies.
  • Approximately 90% of identified genes are linked to developmental and epileptic encephalopathies, while only 5% relate to common epilepsy syndromes.
  • Autosomal recessive inheritance was most frequent (56%), particularly for certain phenotypes.

Conclusions:

  • A comprehensive list of monogenic epilepsy genes has been established and is publicly available.
  • The curated list surpasses the scope of current clinical gene panels, offering broader research utility.
  • This resource supports gene enrichment, candidate gene prioritization, and future research into epilepsy genetics.
  • Ongoing community contributions are invited to maintain and expand the gene resource.