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Epileptic Encephalopathies-Clinical Syndromes and Pathophysiological Concepts
Markus von Deimling1,2, Ingo Helbig1,2, Eric D Marsh3,4
1Division of Neurology, The Children's Hospital of Philadelphia, 34th St and Civic Center Blvd, Philadelphia, PA, 19104, USA.
Current Neurology and Neuroscience Reports
|February 24, 2017
Summary
Epileptic encephalopathies, severe early-onset epilepsies, are increasingly understood through their genetic architecture. This genetic insight is reshaping how we view these syndromes and their underlying pathophysiology.
Area of Science:
- Neurology
- Genetics
- Developmental Neuroscience
Background:
- Epileptic encephalopathies are severe, intractable early-onset epilepsies causing significant cognitive and developmental issues.
- These syndromes are broadly categorized based on the relationship between continuous EEG activity and cognitive dysfunction.
- Genetic studies are revolutionizing the classification and understanding of these complex neurological disorders.
Purpose of the Study:
- To review classic epileptic encephalopathy syndromes.
- To highlight significant genetic findings in these conditions.
- To connect genetic discoveries with pathophysiological mechanisms.
Main Methods:
- Review of existing literature on epileptic encephalopathies.
- Analysis of recent large-scale exome studies.
- Synthesis of genetic data with clinical and EEG findings.
Main Results:
- Genetic architecture is redefining the boundaries of established epileptic encephalopathy syndromes.
- Three primary pathophysiological concepts have emerged from genetic discoveries.
- Genetic findings provide a mechanistic framework for understanding these disorders.
Conclusions:
- Genetic insights are crucial for reclassifying and understanding epileptic encephalopathies.
- Understanding the genetic basis is key to unraveling the pathophysiology.
- This genetic framework aids in developing targeted therapeutic strategies.
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