Garrett, L. ; Trümbach, D. ; Lee, D.* ; Mandillo, S.* ; Samaco, R.C.* ; Flenniken, A.M.* ; Stewart, M.* ; White, J.K.* ; McKerlie, C.* ; Nutter, L.M.J.* ; Vukobradovic, I.* ; Veeraragavan, S.* ; Yuva, L.* ; Heaney, J.D.* ; Dickinson, M.E.* ; Meziane, H.* ; Hérault, Y.* ; Wells, S.* ; Lloyd, K.C.K.* ; Bower, L.* ; Lanoue, L.* ; Clary, D.* ; Zimprich, A. ; Gailus-Durner, V. ; Fuchs, H. ; Brown, S.D.M.* ; Chesler, E.J.* ; Wurst, W. ; Hrabě de Angelis, M. ; Hölter, S.M.
Co-expression of prepulse inhibition and Schizophrenia genes in the mouse and human brain.
Neurosci. App. 3:104075 (2024)
Schizophrenia is a complex psychiatric disorder with genetic and phenotypic heterogeneity. Accumulating rare and genome-wide association study (GWAS) common risk variant information has yet to yield robust mechanistic insight. Leveraging large-scale gene deletion mouse phenomic data thus has potential to functionally interrogate and prioritize human disease genes. To this end, we applied a cross-species network-based approach to parse an extensive mouse gene set (188 genes) associated with disrupted prepulse inhibition (PPI), a Schizophrenia endophenotype. Integrating PPI genes with high-resolution mouse and human brain transcriptomic data, we identified functional and disease coherent co-expression modules through hierarchical clustering and weighted gene co-expression network analysis (WGCNA). In two modules, Schizophrenia risk and mouse PPI genes converged based on telencephalic patterning. The associated neuronal genes were highly expressed in cingulate cortex and hippocampus; implicated in synaptic function and neurotransmission and overlapped with the greatest proportion of rare variants. Concordant neuroanatomical patterning revealed novel core Schizophrenia-relevant genes consistent with the Omnigenic hypothesis of complex traits. Among other genes discussed, the developmental and post-synaptic scaffold TANC2 (Tetratricopeptide repeat, ankyrin repeat and coiled-coil containing 2) emerged from both networks as a novel core genetic driver of Schizophrenia altering PPI. As-pects of psychiatric disease comorbidity and phenotypic heterogeneity are also explored. Overall, this study provides a framework and galvanizes the value of mouse preclinical genetics and PPI to prioritize both existing and novel human Schizophrenia candidate genes as druggable targets.
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Publication type
Article: Journal article
Document type
Scientific Article
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Keywords
Schizophrenia; Prepulse inhibition; Endophenotype; Mouse models; Cross-species; Complex; Oligodendrocyte; Classification; Dysfunction; Mutations; Deficits; Disease; Models; Cortex; Adults
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Language
english
Publication Year
2024
Prepublished in Year
0
HGF-reported in Year
2024
ISSN (print) / ISBN
2772-4085
e-ISSN
2772-4085
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Volume: 3,
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Article Number: 104075
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Elsevier
Publishing Place
Radarweg 29, 1043 Nx Amsterdam, Netherlands
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Reviewing status
Peer reviewed
POF-Topic(s)
30204 - Cell Programming and Repair
30201 - Metabolic Health
Research field(s)
Genetics and Epidemiology
PSP Element(s)
G-500500-001
G-500692-001
G-500600-001
Grants
German Center for Mental Health (Deutsches Zentrum fur Psychische Gesundheit)
Bavarian State Ministry of Science and the Arts (Staatsministerium fur Wissenschaft und Kunst)
German Center for Diabetes Research (DZD)
German Federal Ministry of Education and Research
Copyright
Erfassungsdatum
2024-11-15