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Related Concept Videos

Antiepileptic Drugs: Sodium Channel Blockers01:08

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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.
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Epilepsy and Seizures: Overview01:24

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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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Antiepileptic Drugs: Potassium Channel Activators01:20

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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...
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Antiepileptic Drugs: Glutamate Antagonists01:14

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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...
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Antiepileptic Drugs: Calcium Channel Blockers01:17

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

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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.
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Electrophoretic Delivery of γ-aminobutyric Acid GABA into Epileptic Focus Prevents Seizures in Mice
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METHODS AND CONSIDERATIONS FOR EXPERIMENTAL EVALUATION OF ANTIEPILEPTIC DRUGS.

Y K Gupta1, J Malhotra, B George

  • 1Neuropharmacology Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi - 110 029.

Indian Journal of Physiology and Pharmacology
|April 21, 2016
PubMed
Summary
This summary is machine-generated.

This review covers various animal seizure models for antiepileptic drug discovery. It discusses the selection criteria for these models beyond conventional methods to better understand epilepsy.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Drug Discovery

Background:

  • Epilepsy research and antiepileptic drug (AED) development depend significantly on animal models.
  • Conventional models like pentylenetetrazole-induced seizures and electroshock-induced seizures are standard for AED screening.

Purpose of the Study:

  • To review diverse experimental seizure models used in epilepsy research.
  • To discuss the considerations involved in selecting appropriate seizure models.

Main Methods:

  • Review of existing literature on experimental animal seizure models.
  • Analysis of different seizure types and their relevance to human epilepsy.

Main Results:

  • Numerous seizure models exist beyond the conventional ones.
  • The choice of model depends on the specific seizure type and pathology.

Conclusions:

  • A variety of seizure models are available for antiepileptic drug research.
  • Careful selection of models is crucial for effective drug development and understanding epilepsy.