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Schizophrenia patients with a history of childhood trauma have a pro-inflammatory phenotype.
MedLine Citation:
PMID:  22357348     Owner:  NLM     Status:  Publisher    
BACKGROUND: Increasing evidence indicates that childhood trauma is a risk factor for schizophrenia and patients with this syndrome have a pro-inflammatory phenotype. We tested the hypothesis that the pro-inflammatory phenotype in schizophrenia is associated with childhood trauma and that patients without a history of such trauma have a similar immune profile to healthy controls.MethodWe recruited 40 schizophrenia patients and 40 controls, all of whom completed the Childhood Trauma Questionnaire (CTQ). Using enzyme-linked immunosorbent assay (ELISA) techniques, we measured peripheral levels of interleukin (IL)-1β, IL-6, IL-8 and tumour necrosis factor (TNF)-α. These immune parameters were compared in schizophrenia with childhood trauma, schizophrenia without childhood trauma and healthy controls. RESULTS: Patients with childhood trauma had higher levels of IL-6 and TNF-α than patients without trauma and healthy controls, and TNF-α levels correlated with the extent of the trauma. Patients with no trauma had similar immune profiles to controls. CONCLUSIONS: Childhood trauma drives changes, possibly epigenetic, that generate a pro-inflammatory phenotype.
U Dennison; D McKernan; J Cryan; T Dinan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-23
Journal Detail:
Title:  Psychological medicine     Volume:  -     ISSN:  1469-8978     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1254142     Medline TA:  Psychol Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-7     Citation Subset:  -    
Department of Psychiatry, University College Cork, Cork, Ireland.
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