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Related Concept Videos

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: 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...
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

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...
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...
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
Antiepileptic Drugs: Calcium Channel Blockers01:17

Antiepileptic Drugs: Calcium Channel Blockers

Calcium channel blockers, a class of antiepileptic drugs, regulate the flow of calcium ions within neurons.
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...

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Related Experiment Video

Updated: May 9, 2026

A Model for Epilepsy of Infectious Etiology using Theiler's Murine Encephalomyelitis Virus
05:33

A Model for Epilepsy of Infectious Etiology using Theiler's Murine Encephalomyelitis Virus

Published on: June 23, 2022

Levetiracetam.

Michele J Beaulieu1

  • 1All Children’s/Johns Hopkins Medicine. nnpdoctor@gmail.com

Neonatal Network : NN
|July 10, 2013
PubMed
Summary

Neonatal seizures are more common in preterm infants and often stem from specific causes like hypoxic-ischemic encephalopathy. Prompt diagnosis and treatment are crucial to prevent brain damage.

Area of Science:

  • Neonatology
  • Pediatric Neurology

Background:

  • Neonatal seizures represent a significant clinical challenge with variable incidence.
  • Incidence rates differ based on gestational age, birth weight, and underlying etiology.
  • Hypoxic-ischemic encephalopathy is the leading cause of neonatal seizures.

Purpose of the Study:

  • To summarize the incidence and common causes of neonatal seizures.
  • To emphasize the importance of early recognition and treatment.

Main Methods:

  • Literature review of neonatal seizure incidence and causes.
  • Analysis of etiological factors, particularly hypoxic-ischemic encephalopathy.

Main Results:

  • Term infants experience seizures at 1.0-3.5/1,000 live births.

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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale

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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale

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  • Preterm infants have a higher incidence, ranging from 10-130/1,000.
  • Hypoxic-ischemic encephalopathy accounts for 50-60% of neonatal seizure cases.

    • Conclusions:

    • Neonatal seizures have diverse causes, with hypoxic-ischemic encephalopathy being predominant.
    • Timely identification and management of neonatal seizures are essential for preventing severe neurological sequelae and multiorgan failure.