Dual developmental effects of ARX poly-alanine mutations on human cortical excitatory and inhibitory neurons

December 20, 2025Cell ReportsOpen Access

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Key Points

This study aims to explore the developmental impacts of ARX poly-alanine mutations on cortical excitatory and inhibitory neurons.
Analyzed the effects of ARX mutations on human neuron development
Utilized cellular and molecular techniques to investigate excitatory and inhibitory neuronal functions
Examined implications for developmental epilepsies and potential therapies.
ARX poly-alanine mutations disrupt both excitatory and inhibitory neuronal development
Altered synaptic function linked to mutations demonstrated significant differences in neuron activity
Findings suggest pathways that may inform targeted therapies for epilepsy.

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Reveals dual effects of ARX mutations on excitatory and inhibitory neurons, suggesting pathways for targeted therapies.

-driven mechanisms and represent a critical step toward developing targeted therapies for IS and related developmental epilepsies.

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Nieto‐Estévez et al. (2025) studied this question.

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