Key result
Missense variants in CLCN genes were present in 96.7% of individuals with sporadic epilepsy compared with 28.2% of controls.
Why the study?
Are CLCN gene variants enriched in individuals with complex idiopathic epilepsy syndromes compared to controls?
Case-Control (n=291)
Are CLCN gene variants enriched in individuals with complex idiopathic epilepsy syndromes compared to controls?
Absolute Event Rate: 96.7% vs 28.2%
CLCN1 variants are enriched in individuals with idiopathic epilepsy, and ClC-1 is expressed in the brain, suggesting a role in neuronal network excitability.
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CLCN variants may contribute to epilepsy risk; this Level 4 association leaves open causality and any clinical implications.
Chen et al. (2013) conducted a case-control in Idiopathic epilepsy (n=291). CLCN gene missense variants vs. Controls was evaluated on Presence of at least one missense variant in the CLCN genes. Missense variants in CLCN genes were present in 96.7% of individuals with sporadic epilepsy compared with 28.2% of controls.