Title : Shared Gene Expression For Mental Illness?
link : Shared Gene Expression For Mental Illness?
Shared Gene Expression For Mental Illness?
There seems to be a shared pattern of gene expression among various neuropsychiatric diseases, although there are of course distinct patterns as well. The shared patterns are related to SNP variation (single base pair differences in DNA) and are hence likely genetic and heritable. Abstract:
The predisposition to neuropsychiatric disease involves a complex, polygenic, and pleiotropic genetic architecture. However, little is known about how genetic variants impart brain dysfunction or pathology. We used transcriptomic profiling as a quantitative readout of molecular brain-based phenotypes across five major psychiatric disorders-autism, schizophrenia, bipolar disorder, depression, and alcoholism-compared with matched controls. We identified patterns of shared and distinct gene-expression perturbations across these conditions. The degree of sharing of transcriptional dysregulation is related to polygenic (single-nucleotide polymorphism-based) overlap across disorders, suggesting a substantial causal genetic component. This comprehensive systems-level view of the neurobiological architecture of major neuropsychiatric illness demonstrates pathways of molecular convergence and specificity.
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