Impact of Mental Disorder Genes on Neuronal Networks
Author Information
Author(s): Erik J. MacLaren, Paul Charlesworth, Marcelo P. Coba, Seth G.N. Grant
Primary Institution: Wellcome Trust Sanger Institute
Hypothesis
Do susceptibility genes for schizophrenia and bipolar disorder disrupt neuronal network physiology?
Conclusion
The study found that knocking down certain susceptibility genes disrupts the normal functioning of neuronal networks.
Supporting Evidence
- Knockdown of Tnik, Dlg2, and Dctn5 resulted in abnormal neuronal network activity.
- Different genes had distinct effects on network properties, indicating their unique roles.
- Network activity was measured using multi-electrode arrays, providing detailed insights into neuronal behavior.
Takeaway
Scientists looked at how certain genes linked to mental disorders affect brain cell networks. They found that changing these genes can make the brain cells behave differently.
Methodology
The study used primary cultures of mouse hippocampal neurons grown on multi-electrode arrays to assess the effects of gene knockdown via RNA interference.
Potential Biases
Potential bias due to the use of specific mouse strains and the transient nature of siRNA effects.
Limitations
The effects of gene knockdown were transient and varied by gene, with some genes showing recovery of network activity over time.
Participant Demographics
Primary cultures derived from E17.5 mouse embryos of C57BL/6-Tyrc-Brd and 129S5/SvEvBrd strains.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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