• Association of CSF Glucocerebrosidase Activity With the Risk of Incident Dementia in Patients With Parkinson Disease 

      Oftedal, Linn Silje Wathne; Maple-Grødem, Jodi; Dalen, Ingvild; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy; Alves, Guido Werner; Lange, Johannes (Journal article; Peer reviewed, 2022)
      Background and Objectives Variations in the glucocerebrosidase gene (GBA) are common risk factors for Parkinson disease (PD) and dementia in PD (PDD) and cause a reduction in the activity of the lysosomal enzyme ...
    • Association of GBA Genotype With Motor and Functional Decline in Patients With Newly Diagnosed Parkinson Disease 

      Grødem, Jodi Maple; Dalen, Ingvild; Tysnes, Ole-Bjørn; Macleod, Angus D.; Forsgren, Lars; Counsell, Carl E.; Alves, Guido Werner (Journal article; Peer reviewed, 2021)
      Objective To establish the significance of glucocerebrosidase gene (GBA) carrier status on motor impairment in a large cohort of patients with incident Parkinson disease (PD). Methods Three European population-based ...
    • Folic Acid and Risk of Preterm Birth, Preeclampsia, and Fetal Growth Restriction Among Women With Epilepsy A Prospective Cohort Study 

      Alvestad, Silje; Husebye, Elisabeth Synnøve Nilsen; Christensen, Jakob; Dreier, Julie Werenberg; Sun, Yuelian; Igland, Jannicke; Leinonen, Maarit; Gissler, Mika; Gilhus, Nils Erik; Tomson, Torbjörn; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2022)
      Background and Objectives Women with epilepsy treated with antiseizure medication (ASM) have increased risk of pregnancy complications including preterm birth, fetal growth restriction, and preeclampsia. We aimed to ...
    • Perinatal Depression and Anxiety in Women with Multiple Sclerosis: A Population-Based Cohort Study 

      Eid, Karine; Torkildsen, Øivind Fredvik Grytten; Aarseth, Jan Harald; Flemmen, Heidi Øyen; Holmøy, Trygve; Lorentzen, Åslaug Rudjord; Myhr, Kjell-Morten; Riise, Trond; Simonsen, Cecilia Smith; Torkildsen, Cecilie Fredvik; Wergeland, Stig; Willumsen, Johannes Sverre; Øksendal, Nina; Gilhus, Nils Erik; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2021)
      Objective: To assess the occurrence of perinatal depression and anxiety in women before and after diagnosis of multiple sclerosis (MS). Methods: 114,629 pregnant women were included in the Norwegian Mother, Father and Child ...
    • Relationship between White Matter Lesions and Gray Matter Atrophy in Multiple Sclerosis 

      Lie, Ingrid Anne; Weeda, Merlin M.; Mattiesing, Rozemarijn M.; Mol, Marijke A.E.; Pouwels, Petra J.W.; Barkhof, Frederik; Torkildsen, Øivind; Bø, Lars; Myhr, Kjell-Morten; Vrenken, Hugo (Journal article; Peer reviewed, 2022)
      Background and Objectives: There is currently no consensus about the extent of gray matter (GM) atrophy that can be attributed to secondary changes after white matter (WM) lesions or the temporal and spatial relationships ...
    • Verbal abilities in children of mothers with epilepsy: Association to maternal folate status 

      Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Riedel, Bettina; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene (Peer reviewed; Journal article, 2018-08)
      Objective: To examine the effect of maternal folic acid supplementation and maternal plasma folate and antiepileptic drug (AED) concentrations on language delay in AED-exposed children of mothers with epilepsy. Methods: ...