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Träfflista för sökning "WFRF:(Landén Mikael) ;pers:(Landén Mikael 1966)"

Sökning: WFRF:(Landén Mikael) > Landén Mikael 1966

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1.
  • de Jong, S, et al. (författare)
  • Applying polygenic risk scoring for psychiatric disorders to a large family with bipolar disorder and major depressive disorder
  • 2018
  • Ingår i: Communications biology. - : Springer Science and Business Media LLC. - 2399-3642. ; 1, s. 163-
  • Tidskriftsartikel (refereegranskat)abstract
    • Psychiatric disorders are thought to have a complex genetic pathology consisting of interplay of common and rare variation. Traditionally, pedigrees are used to shed light on the latter only, while here we discuss the application of polygenic risk scores to also highlight patterns of common genetic risk. We analyze polygenic risk scores for psychiatric disorders in a large pedigree (n ~ 260) in which 30% of family members suffer from major depressive disorder or bipolar disorder. Studying patterns of assortative mating and anticipation, it appears increased polygenic risk is contributed by affected individuals who married into the family, resulting in an increasing genetic risk over generations. This may explain the observation of anticipation in mood disorders, whereby onset is earlier and the severity increases over the generations of a family. Joint analyses of rare and common variation may be a powerful way to understand the familial genetics of psychiatric disorders.
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  • Zetterberg, Henrik, 1973, et al. (författare)
  • Blood-cerebrospinal fluid barrier dysfunction in patients with bipolar disorder in relation to antipsychotic treatment
  • 2014
  • Ingår i: Psychiatry Research. - : Elsevier BV. - 0165-1781 .- 1872-7123. ; 217:3, s. 143-146
  • Tidskriftsartikel (refereegranskat)abstract
    • Blood-cerebrospinal barrier (BCB) dysfunction has previously been shown in subjects with schizophrenia and depressed patients with attempted suicide. Bipolar disorder (BPD) shares clinical features with both these disorders, but it is unknown if the integrity of the BCB is altered also in BPD. To assess if BCB function in BPD we surveyed 134 mood-stabilized BPD patients and 86 healthy controls. Serum and cerebrospinal fluid (CSF) samples were collected and analyzed for albumin concentration by immunonephelometry. CSF/serum albumin ratio, an established measure of BCB function, was significantly elevated in BPD patients as compared to controls. After stratifying patients according to diagnostic subtype, BPD I patients had the highest CSF/serum albumin ratios. Moreover, BPD patients on antipsychotic treatment had higher CSF/serum albumin ratio than BPD patients on other treatments. When excluding BPD patients on antipsychotic treatment the difference in CSF/serum albumin ratio between the BPD and control groups disappeared. In conclusion, antipsychotic treatment in BPD is associated with elevated CSF/serum albumin ratio, tentatively as a sign of impaired BCB function. Whether this elevation is caused by antipsychotic treatment or is associated with a certain subtype of BPD, requiring antipsychotic treatment, remains to be determined. (C) 2014 Elsevier Ireland 'Ltd. All rights reserved.
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