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A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy
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The long-term neurodevelopmental outcomes of febrile seizures and underlying mechanisms

You Yi1, Chen Zhong1,2, Hu Wei-Wei1

  • 1Department of Pharmacology and Department of Pharmacy of the Second Affiliated Hospital, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, Zhejiang University School of Medicine, Hangzhou, China.

Frontiers in Cell and Developmental Biology
|June 12, 2023
PubMed

Insights

Febrile seizures (FSs) in children can lead to long-term neurodevelopmental issues like ADHD and epilepsy. Understanding FS mechanisms is crucial for preventing adverse outcomes and identifying biomarkers.

Area of Science:

  • Pediatric Neurology
  • Neurodevelopmental Disorders
  • Epileptology

Background:

  • Febrile seizures (FSs) affect up to 4% of young children, causing family anxiety and potential health risks.
  • FSs are linked to adverse neurodevelopmental outcomes, including ADHD, epilepsy, and cognitive decline.
  • The precise mechanisms underlying FS-induced developmental abnormalities and adult disease remain unclear.

Purpose of the Study:

  • To provide an overview of the association between FSs and neurodevelopmental outcomes.
  • To outline the underlying mechanisms of FSs' long-term effects.
  • To identify potential clinical biomarkers for FS-related disorders.

Main Methods:

  • Review of clinical and animal studies on FSs and neurodevelopment.
  • Analysis of histological and cellular molecular mechanisms.
  • Examination of the roles of inflammation and GABAergic systems.

Main Results:

  • The hippocampus is significantly altered post-FS, with potential involvement of the motor cortex and subcortical white matter.
  • FSs are associated with increased susceptibility to epilepsy, ADHD, hippocampal sclerosis, and cognitive decline.
  • Common mechanisms, including inflammation and GABA system dysregulation, may underlie multiple post-FS diseases.

Conclusions:

  • FSs have detrimental effects on neurodevelopment with potential long-term consequences into adulthood.
  • Further research into FS mechanisms and biomarkers is needed for effective clinical intervention.
  • Understanding the interplay of inflammation and GABA is key to addressing FS-related disorders.

Keywords:
cortexdisease occurrencefebrile seizureshippocampusneurodevelopment

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