Association of biomarkers and depressive symptoms in schizophrenia

Association of biomarkers and depressive symptoms in schizophrenia

Author Noto, Cristiano Souza Autor UNIFESP Google Scholar
Gadelha, Ary Autor UNIFESP Google Scholar
Belangero, Sintia Iole Autor UNIFESP Google Scholar
Smith, Marilia de Arruda Cardoso Autor UNIFESP Google Scholar
Aguiar, Bianca Wollenhaupt de Google Scholar
Panizzuti, Bruna Google Scholar
Mari, Jair de Jesus Autor UNIFESP Google Scholar
Gama, Clarissa Severino Google Scholar
Bressan, Rodrigo Affonseca Autor UNIFESP Google Scholar
Brietzke, Elisa Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Univ Fed Rio Grande do Sul
Abstract Emergence of depressive symptoms in schizophrenia results in a deteriorating course and poor prognosis. Schizophrenia and depressive disorder are both associated with low levels of brain-derived neurotrophic factor (BDNF) and with a longstanding low grade inflammatory state. the objective of this study is to analyze the relationship between these serum biomarkers and depressive and psychotic symptoms in schizophrenic patients. Thirty-nine individuals diagnosed with schizophrenia or schizoaffective disorder by Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), assessed by Structured Clinical Interview for DSM-IV (SCID), were included. Interviews were conducted with the Positive and Negative Syndrome Scale (PANSS) and the Calgary Depression Scale for Schizophrenia (CDSS). Blood samples were collected for determination of BDNF, IL-1 beta, IL-6, IL-8,1-10, IL-12 and TNF-alpha measurements. Positive correlations between BDNF and CDSS and between IL-1beta and severity in PANSS scores were found. BDNF levels were not correlated with any cytokine or with PANSS scores. the results of this study suggest that depressive and psychotic symptoms may be associated with different profiles of biomarkers in the association between schizophrenia and depression. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
Keywords Schizophrenia
Depressive symptoms
Brain-derived neurotrophic factor
Language English
Sponsor Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Grant number CNPq: Universal 477974/2009-0
CNPq: PQ 305967/2008-8
FAPERGS: PqG 1009340 - 06/2010
CNPq: PRONEM 11/2057-2
Date 2011-11-21
Published in Neuroscience Letters. Clare: Elsevier B.V., v. 505, n. 3, p. 282-285, 2011.
ISSN 0304-3940 (Sherpa/Romeo, impact factor)
Publisher Elsevier B.V.
Extent 282-285
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000298465500014

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