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Clinical letter|Articles in Press

Biallelic variants of KCNQ2 in early infantile developmental and epileptic encephalopathy

      The KCNQ2 gene encodes voltage-gated potassium channel subunits that underlie the M-current, a repolarizing current that limits repetitive firing during long-lasting depolarizing inputs [
      • Wang H.S.
      • Pan Z.
      • Shi W.
      • Brown B.S.
      • Wymore R.S.
      • Cohen I.S.
      • et al.
      KCNQ2 and KCNQ3 potassium channel subunits: molecular correlates of the M-channel.
      ]. Mutations in this gene can result in disorders ranging from benign familial neonatal convulsions (BFNC) to early infantile developmental and epileptic encephalopathy (EIDEE) [
      • Goto A.
      • Ishii A.
      • Shibata M.
      • Ihara Y.
      • Cooper E.C.
      • Hirose S.
      Characteristics of KCNQ2 variants causing either benign neonatal epilepsy or developmental and epileptic encephalopathy.
      ].

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      References

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        Characteristics of KCNQ2 variants causing either benign neonatal epilepsy or developmental and epileptic encephalopathy.
        Epilepsia. 2019; 60: 1870-1880
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