Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/96442
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dc.contributor.authorPillai, A.en
dc.contributor.authorHowell, K.en
dc.contributor.authorAhmed, A.en
dc.contributor.authorWeinberg, D.en
dc.contributor.authorAllen, K.en
dc.contributor.authorBruggemann, J.en
dc.contributor.authorLenroot, R.en
dc.contributor.authorLiu, D.en
dc.contributor.authorGalletly, C.en
dc.contributor.authorWeickert, C.en
dc.contributor.authorWeickert, T.en
dc.date.issued2016en
dc.identifier.citationMolecular Psychiatry, 2016; 21(5):686-692en
dc.identifier.issn1359-4184en
dc.identifier.issn1476-5578en
dc.identifier.urihttp://hdl.handle.net/2440/96442-
dc.description.abstractA large body of evidence indicates alterations in brain regional cellular energy metabolism and blood flow in schizophrenia. Among the different molecules regulating blood flow, vascular endothelial growth factor (VEGF) is generally accepted as the major factor involved in the process of angiogenesis. In the present study, we examined whether peripheral VEGF levels correlate with changes in the prefrontal cortex (PFC) volume in patients with schizophrenia and in healthy controls. Whole-blood samples were obtained from 96 people with schizophrenia or schizoaffective disorder and 83 healthy controls. Serum VEGF protein levels were analyzed by enzyme-linked immunosorbent assay, whereas quantitative PCR was performed to measure interleukin-6 (IL-6, a pro-inflammatory marker implicated in schizophrenia) mRNA levels in the blood samples. Structural magnetic resonance imaging scans were obtained using a 3T Achieva scanner on a subset of 59 people with schizophrenia or schizoaffective disorder and 65 healthy controls, and prefrontal volumes were obtained using FreeSurfer software. As compared with healthy controls, individuals with schizophrenia had a significant increase in log-transformed mean serum VEGF levels (t(177)=2.9, P=0.005). A significant inverse correlation (r=-0.40, P=0.002) between serum VEGF and total frontal pole volume was found in patients with schizophrenia/schizoaffective disorder. Moreover, we observed a significant positive association (r=0.24, P=0.03) between serum VEGF and IL-6 mRNA levels in patients with schizophrenia. These findings suggest an association between serum VEGF and inflammation, and that serum VEGF levels are related to structural abnormalities in the PFC of people with schizophrenia.en
dc.description.statementofresponsibilityA Pillai, K R Howell, A O Ahmed, D Weinberg, K M Allen, J Bruggemann, R Lenroot, D Liu, C Galletly, C S Weickert and T W Weickerten
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.rights© 2015 Macmillan Publishers Limiteden
dc.subjectPrefrontal Cortex; Humans; Vascular Endothelial Growth Factor A; RNA, Messenger; Interleukin-6; Magnetic Resonance Imaging; Organ Size; Enzyme-Linked Immunosorbent Assay; Psychotic Disorders; Schizophrenia; Psychiatric Status Rating Scales; Image Processing, Computer-Assisted; Adult; Female; Male; Biomarkersen
dc.titleAssociation of serum VEGF levels with prefrontal cortex volume in schizophreniaen
dc.typeJournal articleen
dc.identifier.doi10.1038/mp.2015.96en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1021970en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/568807en
pubs.publication-statusPublisheden
dc.identifier.orcidLiu, D. [0000-0001-9180-2620]en
dc.identifier.orcidGalletly, C. [0000-0001-6185-9677]en
Appears in Collections:Medicine publications

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