title: Comparison of peripheral and central schizophrenia biomarker profiles.
abstract: We have recently shown that a molecular biomarker signature comprised of inflammatory, hormonal and growth factors occurs in the blood serum from first onset schizophrenia patients. Here, we use the same platform to investigate post mortem brain tissue (Brodmann area 10) from schizophrenia patients who were mainly chronically ill and drug treated. Twenty-one analytes are differentially expressed in post-mortem brain tissue. Comparison with our previous mRNA profiling studies of the same patient samples in another frontal cortical area showed that 9 of these molecules were also altered at the transcriptional level. Furthermore, 9 of the molecules were also altered in serum from living first onset schizophrenia patients compared to controls. We propose a model in which the brain and periphery are coordinated through hormones and other regulatory molecules released into the blood via the diffuse neuroendocrine system. These findings provide further evidence for the systemic nature of schizophrenia and give added validity to the concept that schizophrenia can be investigated through studies of blood-based biomarkers.
authors.affiliation: Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, United Kingdom.
authors.forename: Laura W
authors.initials: LW
authors.lastname: Harris
authors.forename: Sandra
authors.initials: S
authors.lastname: Pietsch
authors.forename: Tammy M K
authors.initials: TM
authors.lastname: Cheng
authors.forename: Emanuel
authors.initials: E
authors.lastname: Schwarz
authors.forename: Paul C
authors.initials: PC
authors.lastname: Guest
authors.forename: Sabine
authors.initials: S
authors.lastname: Bahn
mesh_terms: D000328:Adult; D001344:Autopsy; D015415:Biomarkers / Q000097:blood / Q000378:metabolism; D001921:Brain / Q000378:metabolism / Q000473:pathology; D002490:Central Nervous System / Q000378:metabolism / Q000473:pathology; D005260:Female; D020869:Gene Expression Profiling; D006801:Humans; D008297:Male; D008875:Middle Aged; D017933:Peripheral Nervous System / Q000378:metabolism / Q000473:pathology; D012559:Schizophrenia / Q000097:blood / Q000235:genetics / Q000473:pathology
chemical_list: D015415:Biomarkers