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Plasma apolipoprotein E and severity of suicidal behaviour
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Psykiatri. Department of Clinical Neuroscience/Psychiatry, Karolinska Institutet, R5, Karolinska University Hospital/Solna.
2016 (Engelska)Ingår i: Journal of Affective Disorders, ISSN 0165-0327, E-ISSN 1573-2517, Vol. 190, s. 137-142Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

There is evidence for association between low cholesterol levels and suicidal behaviour. Since apolipoprotein E (ApoE) is involved in the cholesterol metabolism in both the periphery and in the central nervous system; it may be of particular interest in the neurobiology of suicidal behaviour. Furthermore, hypothalamic-pituitary-adrenal (HPA) axis function, one of the main biological systems implicated in both suicidal behaviour and early-life adversity, affect ApoE levels. Very few studies have assessed plasma ApoE in relation to suicidal behaviour. The purpose of this study was to investigate levels of ApoE in plasma in relation to the severity of suicidal behaviour and life-time adversity in the form of exposure to interpersonal violence in suicide attempters. A total of 100 suicide attempters (67 women and 33 men) were enroled in the study. Information on earlier suicide attempts and age at onset of suicidal behaviour was gathered using the Karolinska Suicide History Interview. The Karolinska Interpersonal Violence Scale was used to assess exposure to interpersonal violence. Plasma ApoE was measured by immunonephelometry according to accredited routines. Patients with at least one earlier suicide attempt had significantly higher ApoE levels compared to suicide attempters debuting with suicidal behaviour at inclusion in the study. A higher number of earlier suicide attempts was significantly correlated with higher plasma ApoE levels. Age at onset was significantly negatively correlated with ApoE after adjusting for age. ApoE showed a significant positive correlation with exposure to interpersonal violence as a child in male suicide attempters. Our findings indicate that ApoE may be related to stress and trauma and the temporal severity of suicidal behaviour.

Ort, förlag, år, upplaga, sidor
2016. Vol. 190, s. 137-142
Nyckelord [en]
Suicide attempt, Apolipoprotein E, Childhood adversity, Cholesterol, Stress
Nationell ämneskategori
Neurologi Psykiatri
Identifikatorer
URN: urn:nbn:se:umu:diva-114563DOI: 10.1016/j.jad.2015.09.024ISI: 000366463000022OAI: oai:DiVA.org:umu-114563DiVA, id: diva2:903003
Tillgänglig från: 2016-02-12 Skapad: 2016-01-25 Senast uppdaterad: 2018-08-08Bibliografiskt granskad

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Asellus, PeterJokinen, Jussi

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Totalt: 228 träffar
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