• ADHD symptoms in neurometabolic diseases: Underlying mechanisms and clinical implications 

      Homaei, Selina Cannon; Barone, Helene; Kleppe, Rune; Betari, Nibal; Reif, Andreas; Haavik, Jan (Journal article; Peer reviewed, 2021)
      Neurometabolic diseases (NMDs) are typically caused by genetic abnormalities affecting enzyme functions, which in turn interfere with normal development and activity of the nervous system. Although the individual disorders ...
    • Tyrosinemia Type 1 and symptoms of ADHD: Biochemical mechanisms and implications for treatment and prognosis 

      Barone, Helene; Bliksrud, Yngve Thomas; Elgen, Irene Bircow; Szigetvari, Peter Daniel; Kleppe, Rune; Ghorbani, Sadaf; Hansen, Eirik Vangsøy; Haavik, Jan (Peer reviewed; Journal article, 2020)
      Hereditary tyrosinemia Type 1 (HT‐1) is a rare metabolic disease where the enzyme catalyzing the final step of tyrosine breakdown is defect, leading to accumulation of toxic metabolites. Nitisinone inhibits the degradation ...