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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

1.7K
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...
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Epilepsy ll: Types01:22

Epilepsy ll: Types

47
Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
47
Seizures l: Introduction01:20

Seizures l: Introduction

42
Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
42
Seizures: Classification01:13

Seizures: Classification

2.5K
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:
2.5K
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

1.2K
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...
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Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

138
The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
138

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Related Experiment Video

Updated: May 2, 2026

Identification and Classification of Position-specific GABAA Receptor Subunit Missense Variants for Their Role In Hippocampal Pyramidal Neurons
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Identification and Classification of Position-specific GABAA Receptor Subunit Missense Variants for Their Role In Hippocampal Pyramidal Neurons

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Epilepsy genetics revolutionizes clinical practice.

Ingrid E Scheffer1

  • 1Department of Medicine, Florey Institute of Neurosciences and Mental Health, University of Melbourne, Austin Health, Melbourne, Australia.

Neuropediatrics
|March 12, 2014
PubMed
Summary
This summary is machine-generated.

Epilepsy genetics advances offer new diagnostic capabilities and impact patient care. Understanding genetic variants aids in identifying disease causes and developing targeted therapies.

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A Novel Strategy Combining Array-CGH, Whole-exome Sequencing and In Utero Electroporation in Rodents to Identify Causative Genes for Brain Malformations
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Area of Science:

  • Neurogenetics
  • Molecular Neurology
  • Clinical Genetics

Background:

  • Epilepsy genetics has evolved significantly over 19 years.
  • Understanding genetic variants' pathogenicity and causation remains complex.
  • Genetic findings can range from susceptibility factors to direct disease causes.

Purpose of the Study:

  • To present the evolution of epilepsy genetics knowledge.
  • To discuss the impact of genetic discoveries on patient care.
  • To highlight recent advancements and their clinical implications.

Main Methods:

  • Overview of clinicomolecular approaches in epilepsy gene discovery.
  • Utilizing family studies.
  • Employing next-generation sequencing (NGS), including multigene panels and whole exome sequencing.

Main Results:

  • DEPDC5 identified as a key gene for nonlesional focal epilepsy, impacting sporadic and small families.
  • DEPDC5 mutations may link to mTOR pathway dysregulation and cortical malformations.
  • Epilepsy genetics significantly impacts clinical practice, especially for epileptic encephalopathies with de novo mutations.

Conclusions:

  • Epilepsy genetics is transforming clinical practice, improving diagnosis, prognosis, and genetic counseling.
  • Genetic findings influence treatment decisions.
  • New insights are paving the way for novel therapies and unifying understanding of diverse epilepsy types.