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Time dependent expression of the blood biomarkers EIF2D and TOX in patients with schizophrenia

Abstract: Background During last years, there has been an intensive search for blood biomarkers in schizophrenia to assist in diagnosis, prognosis and clinical management of the disease. Methods In this study, we first conducted a weighted gene coexpression network analysis to address differentially expressed genes in peripheral blood from patients with chronic schizophrenia (n?=?30) and healthy controls (n?=?15). The discriminating performance of the candidate genes was further tested in an independent cohort of patients with first-episode schizophrenia (n?=?124) and healthy controls (n?=?54), and in postmortem brain samples (cingulate and prefrontal cortices) from patients with schizophrenia (n?=?34) and healthy controls (n?=?35). Results The expression of the Eukaryotic Translation Initiation Factor 2D (EIF2D) gene, which is involved in protein synthesis regulation, was increased in the chronic patients of schizophrenia. On the contrary, the expression of the Thymocyte Selection-Associated High Mobility Group Box (TOX) gene, involved in immune function, was reduced. EIF2D expression was also altered in first-episode schizophrenia patients, but showing reduced levels. Any of the postmortem brain areas studied did not show differences of expression of both genes. Conclusions EIF2D and TOX are putative blood markers of chronic patients of schizophrenia, which expression change from the onset to the chronic disease, unraveling new biological pathways that can be used for the development of new intervention strategies in the diagnosis and prognosis of schizophrenia disease.

 Fuente: Brain, Behavior and Immunity, 2019, 80, 909-915

 Editorial: Elsevier

 Fecha de publicación: 01/08/2019

 Nº de páginas: 7

 Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.bbi.2019.05.015

 ISSN: 0889-1591,1090-2139

 Url de la publicación: https://doi.org/10.1016/j.bbi.2019.05.015

Autoría

GILABERT-JUAN, JAVIER

LÓPEZ-CAMPOS, GUILLERMO

SEBASTIÁ-ORTEGA, NOELIA

GUARA-CIURANA, SONIA

FULGENCIO RUSO JULVE

PRIETO, CARLOS

BENEDICTO CRESPO FACORRO

SANJUÁN, JULIO

MOLTÓ, MARÍA DOLORES