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GABA in cerebrospinal fluid of children with febrile convulsions

W Löscher, D Rating, H Siemes

    Epilepsia
    |December 1, 1981
    PubMed

    Insights

    Febrile convulsions in children are linked to lower gamma-aminobutyric acid (GABA) levels in cerebrospinal fluid (CSF). This suggests impaired GABA neurotransmission may increase seizure risk.

    Area of Science:

    • Neuroscience
    • Pediatrics
    • Biochemistry

    Background:

    • Febrile convulsions are common in children.
    • Gamma-aminobutyric acid (GABA) is a major inhibitory neurotransmitter.
    • The role of GABA in febrile convulsions is not fully understood.

    Purpose of the Study:

    • To investigate the concentration of GABA in the cerebrospinal fluid (CSF) of children with febrile convulsions.
    • To compare CSF GABA levels in children with and without febrile convulsions.
    • To explore the relationship between CSF GABA and plasma GABA concentrations in these children.

    Main Methods:

    • Radioreceptor assay was used to measure GABA concentrations.
    • Lumbar cerebrospinal fluid (CSF) samples were collected from 23 children with febrile convulsions.
    • CSF samples from 16 seizure-free children were used as controls.
    • Plasma GABA concentrations were also measured.

    Main Results:

    • Mean CSF GABA concentration was significantly lower in children with febrile convulsions (134 pmoles/ml) compared to controls (210 pmoles/ml).
    • CSF GABA levels ranged from 73-294 pmoles/ml in patients and 117-475 pmoles/ml in controls.
    • No significant difference in plasma GABA concentrations was observed between the groups.

    Conclusions:

    • Reduced GABA levels in CSF suggest impaired GABA neurotransmission in children with febrile convulsions.
    • These findings support the hypothesis that GABAergic system dysfunction contributes to seizure susceptibility.
    • Further research into GABAergic pathways may offer new therapeutic targets for febrile convulsions.

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