In experimental epilepsy, increased (Condorelli and others 2002; Gajda and others 2003; Mylvaganam and others 2010; Samoilova and others 2003; Szente and others 2002; Takahashi and others 2010), unchanged (Khurgel and Ivy 1996; Li and others 2001; Söhl and others 2000; Xu and others 2009), and decreased (David and others 2009; Elisevich and others 1997a, 1998; Xu and others 2009) Cx43 and/or Cx30 transcript and/or protein have been reported. The gene discussed is GJA1; the disease is epilepsy.