Preben Bo Mortensen

Reduced neonatal brain-derived neurotrophic factor is associated with autism spectrum disorders

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DOI

  • Kristin Skogstrand, Danish Center for Neonatal Screening, Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark. ksk@ssi.dk., The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
  • ,
  • Christian Munch Hagen, The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
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  • Nis Borbye-Lorenzen, The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
  • ,
  • Michael Christiansen, Danish Center for Neonatal Screening, Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark., The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
  • ,
  • Jonas Bybjerg-Grauholm, The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
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  • Marie Bækvad-Hansen, The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.
  • ,
  • Thomas Werge, d Department of Clinical Medicine , Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark.
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  • Anders Børglum
  • Ole Mors
  • Merethe Nordentoft, Copenhagen Research Center for Mental Health-CORE, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark.
  • ,
  • Preben Bo Mortensen
  • David Michael Hougaard, The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark.

Mental disorders have for the majority of cases an unknown etiology, but several studies indicate that neurodevelopmental changes happen in utero or early after birth. We performed a nested case-control study of the relation between blood levels of neuro-developmental (S100B, BDNF, and VEGF-A) and inflammatory (MCP-1, TARC, IL-8, IL-18, CRP, and IgA) biomarkers in newborns, and later development of autism spectrum disorders (ASD, N = 751), attention deficit hyperactivity disorders (ADHD, N = 801), schizophrenia (N = 1969), affective (N = 641) or bipolar disorders (N = 641). Samples and controls were obtained as part of the iPSYCH Danish Case-Cohort Study using dried blood spot samples collected between 1981 and 2004, and stored frozen at the Danish National Biobank. In newborns lower blood level of BDNF was significantly associated with increased odds (OR 1.15) of developing ASD (p = 0.001). This difference could not be explained by genetic variation in the BDNF coding gene region. A tendency of decreased levels of all the neurotrophic markers and increased levels of all inflammatory markers was noted. The low newborn blood levels of BDNF in children developing ASD is an important finding, suggesting that lower BDNF levels in newborns contributes to the etiology of ASD and indicates new directions for further research. It may also help identifying a long-sought marker for high-ASD risk in, e.g., younger siblings of ASD children.

OriginalsprogEngelsk
Artikelnummer252
TidsskriftTranslational Psychiatry
Vol/bind9
Nummer1
ISSN2158-3188
DOI
StatusUdgivet - 7 okt. 2019

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