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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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...
Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
Epilepsy ll: Types01:22

Epilepsy ll: Types

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

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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...
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

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 their...
Seizures: Classification01:13

Seizures: Classification

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:

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Related Experiment Video

Updated: Jun 2, 2026

Antibody Transfection into Neurons as a Tool to Study Disease Pathogenesis
06:56

Antibody Transfection into Neurons as a Tool to Study Disease Pathogenesis

Published on: September 26, 2012

Autoantibodies and epilepsy.

Christian G Bien1, Ingrid E Scheffer

  • 1Epilepsy Center Bethel, Krankenhaus Mara, Bielefeld, Germany. christian.bien@mara.de

Epilepsia
|May 6, 2011
PubMed
Summary
This summary is machine-generated.

Autoantibodies are increasingly identified as causes for unexplained epilepsies, particularly those targeting neuronal surface antigens. Immunotherapies show promise for these specific autoimmune epilepsy cases.

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High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
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Hippocampal Neuronal Cultures to Detect and Study New Pathogenic Antibodies Involved in Autoimmune Encephalitis
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Last Updated: Jun 2, 2026

Antibody Transfection into Neurons as a Tool to Study Disease Pathogenesis
06:56

Antibody Transfection into Neurons as a Tool to Study Disease Pathogenesis

Published on: September 26, 2012

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
10:19

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum

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Hippocampal Neuronal Cultures to Detect and Study New Pathogenic Antibodies Involved in Autoimmune Encephalitis
08:20

Hippocampal Neuronal Cultures to Detect and Study New Pathogenic Antibodies Involved in Autoimmune Encephalitis

Published on: June 2, 2022

Area of Science:

  • Neuroimmunology
  • Epileptology
  • Neurology

Background:

  • Epilepsy etiology remains unknown in many patients.
  • Autoantibody detection is advancing the understanding of unexplained epilepsies.
  • Autoantibody-associated epilepsy syndromes often involve the temporal lobes or diffuse encephalopathies.

Purpose of the Study:

  • To explore the expanding spectrum of autoantibody-associated epilepsies.
  • To highlight novel seizure types linked to specific autoantibodies, such as those against the voltage-gated potassium channel (VGKC) complex.
  • To discuss the pathogenic roles and therapeutic implications of autoantibodies in epilepsy.

Main Methods:

  • Review of current literature on autoantibodies in epilepsy.
  • Identification of key neuronal surface antigens targeted by pathogenic antibodies (e.g., VGKC complex, NMDA-receptor, GABA(B)-receptor, AMPA-receptor).
  • Distinction between antibodies targeting surface versus intracellular antigens (e.g., GAD, onconeural antibodies).

Main Results:

  • Antibodies targeting neuronal surface antigens are implicated in epilepsy pathogenesis.
  • Specific antibodies, like those to the VGKC complex, are associated with novel seizure types.
  • Epilepsies linked to surface antigen antibodies show responsiveness to immunotherapy.

Conclusions:

  • Autoantibodies, especially those against neuronal surface targets, represent a significant and growing category of epilepsy causes.
  • Immunotherapies offer promising treatment avenues for specific autoimmune epilepsies.
  • Further research is needed to fully elucidate the pathogenic mechanisms of autoantibodies in the brain.