Multi-ancestry phenome-wide association of complement component 4 variation with psychiatric and brain phenotypes in youth

LM Hernandez, M Kim, P Zhang, RAI Bethlehem… - Genome biology, 2023 - Springer
Background Increased expression of the complement component 4A (C4A) gene is
associated with a greater lifetime risk of schizophrenia. In the brain, C4A is involved in …

Brain gene co-expression networks link complement signaling with convergent synaptic pathology in schizophrenia

M Kim, JR Haney, P Zhang, LM Hernandez… - Nature …, 2021 - nature.com
The most significant common variant association for schizophrenia (SCZ) reflects increased
expression of the complement component 4A (C4A). Yet, it remains unclear how C4A …

Beyond C4: Analysis of the complement gene pathway shows enrichment for IQ in patients with psychotic disorders and healthy controls

JF Holland, D Cosgrove, L Whitton… - Genes, Brain and …, 2019 - Wiley Online Library
Variation in cognitive performance, which strongly predicts functional outcome in
schizophrenia (SZ), has been associated with multiple immune‐relevant genetic loci. These …

The correlates of neonatal complement component 3 and 4 protein concentrations with a focus on psychiatric and autoimmune disorders

N Borbye-Lorenzen, Z Zhu, E Agerbo, C Albiñana… - Cell genomics, 2023 - cell.com
Complement components have been linked to schizophrenia and autoimmune disorders.
We examined the association between neonatal circulating C3 and C4 protein …

Association between complement component 4A expression, cognitive performance and brain imaging measures in UK Biobank

KS O'Connell, IE Sønderby, O Frei… - Psychological …, 2022 - cambridge.org
AbstractBackground Altered expression of the complement component C4A gene is a
known risk factor for schizophrenia. Further, predicted brain C4A expression has also been …

Genetically predicted brain C4A expression is associated with TSPO and hippocampal morphology

T Da Silva, E Guma, S Hafizi, A Koppel, P Rusjan… - Biological …, 2021 - Elsevier
Background Alterations in the immune system, particularly C4A, have been implicated in the
pathophysiology of schizophrenia. C4A promotes synapse elimination by microglia in …

A structural brain network of genetic vulnerability to psychiatric illness

M Taquet, SM Smith, AK Prohl, JM Peters… - Molecular …, 2021 - nature.com
Psychiatry is undergoing a paradigm shift from the acceptance of distinct diagnoses to a
representation of psychiatric illness that crosses diagnostic boundaries. How this transition …

[HTML][HTML] Synaptic and gene regulatory mechanisms in schizophrenia, autism, and 22q11. 2 copy number variant–mediated risk for neuropsychiatric disorders

JK Forsyth, D Nachun, MJ Gandal, DH Geschwind… - Biological …, 2020 - Elsevier
Abstract Background 22q11. 2 copy number variants are among the most highly penetrant
genetic risk variants for developmental neuropsychiatric disorders such as schizophrenia …

Developmental and genetic regulation of the human cortex transcriptome illuminate schizophrenia pathogenesis

AE Jaffe, RE Straub, JH Shin, R Tao, Y Gao… - Nature …, 2018 - nature.com
Genome-wide association studies have identified 108 schizophrenia risk loci, but biological
mechanisms for individual loci are largely unknown. Using developmental, genetic and …

Functional connectome-wide associations of schizophrenia polygenic risk

H Cao, H Zhou, TD Cannon - Molecular psychiatry, 2021 - nature.com
Schizophrenia is a highly heritable mental disorder characterized by functional
dysconnectivity across the brain. However, the relationships between polygenic risk factors …