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Connecting genomic results for psychiatric disorders to human brain cell types and regions reveals convergence with functional connectivity.
Nat Commun
January 2025
Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.
Identifying cell types and brain regions critical for psychiatric disorders and brain traits is essential for targeted neurobiological research. By integrating genomic insights from genome-wide association studies with a comprehensive single-cell transcriptomic atlas of the adult human brain, we prioritized specific neuronal clusters significantly enriched for the SNP-heritabilities for schizophrenia, bipolar disorder, and major depressive disorder along with intelligence, education, and neuroticism. Extrapolation of cell-type results to brain regions reveals the whole-brain impact of schizophrenia genetic risk, with subregions in the hippocampus and amygdala exhibiting the most significant enrichment of SNP-heritability.
View Article and Find Full Text PDFHigh-order network degree revealed shared and distinct features among schizophrenia, bipolar disorder and ADHD.
Neuroscience
January 2025
School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an, China; State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an, China; National Demonstration Center for Experimental Mechanics Education, Xi'an Jiaotong University, Xi'an, China. Electronic address:
Schizophrenia (SCHZ), bipolar disorder (BD), and attention-deficit/hyperactivity disorder (ADHD) share clinical symptoms and risk genes, but the shared and distinct neural dynamic mechanisms remain inadequately understood. Degree is a fundamental and important graph measure in network neuroscience, and we here extended the degree to hierarchical levels based on eigenmodes and compared the resting-state brain networks of three disorders and healthy controls (HC). First, compared to HC, SCHZ and BD patients exhibited substantially overlapped abnormalities in brain networks, wherein BD patients displayed more significant alterations.
View Article and Find Full Text PDFAssociations between structural brain changes and blood neurofilament light chain protein in treatment-resistant schizophrenia.
Aust N Z J Psychiatry
January 2025
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Parkville, VIC, Australia.
Objective: Around 30% of people with schizophrenia are refractory to antipsychotic treatment (treatment-resistant schizophrenia). Abnormal structural neuroimaging findings, in particular volume and thickness reductions, are often described in schizophrenia. Novel biomarkers of active brain pathology such as neurofilament light chain protein are now expected to improve current understanding of psychiatric disorders, including schizophrenia.
View Article and Find Full Text PDFMental Health Services for Serious Mental Illness: Scoping Review of Randomised Controlled Trials.
Nurs Open
January 2025
Institute of General Practice, Medical Faculty of the Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.
Aims: This review aims to classify the evidence from randomised controlled trials (RCTs) on mental health services (MHS) for people with serious mental illness (SMI) available in the Cochrane Schizophrenia Group's (CSzG) specialised register.
Design: Scoping review.
Methods: We retrieved and screened RCTs of service-level interventions considering non-pharmacological approaches for mental healthcare of the CSzG register.
Neurobiology of COVID-19-Associated Psychosis/Schizophrenia: Implication of Epidermal Growth Factor Receptor Signaling.
Neuropsychopharmacol Rep
March 2025
Molecular Psychoneuroimmunology, Institute for Genetic Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.
COVID-19 exhibits not only respiratory symptoms but also neurological/psychiatric symptoms rarely including delirium/psychosis. Pathological studies on COVID-19 provide evidence that the cytokine storm, in particular (epidermal growth factor) EGF receptor (EGFR, ErbB1, Her1) activation, plays a central role in the progression of viral replication and lung fibrosis. Of note, SARS-CoV-2 virus (specifically, S1 spike domain) mimics EGF and directly transactivates EGFR, preceding the inflammatory process.
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