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Reliable reference genes for gene expression analyses under the hypomagnetic field in a migratory insect

Bioeffects Seen

Authors not listed · 2022

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Major schizophrenia genetics study identifies 287 risk genes but ignores environmental EMF factors that affect the same brain processes.

Plain English Summary

Summary written for general audiences

This major genetic study analyzed DNA from over 76,000 people with schizophrenia and 243,000 controls to identify genes that increase disease risk. Researchers found 287 genetic locations linked to schizophrenia, with many affecting brain cell communication and development. The findings reveal how genetic variations disrupt normal brain function and may guide future treatments.

Why This Matters

While this groundbreaking genetic research advances our understanding of schizophrenia's biological foundations, it highlights a critical gap in psychiatric research - the virtual absence of environmental factors like EMF exposure in major studies. The researchers identified genes affecting synaptic transmission and neuronal development, the same biological processes that EMF research shows can be disrupted by radiofrequency radiation. Yet despite mounting evidence that EMF exposure can alter neurotransmitter function and brain development, environmental electromagnetic exposures remain largely ignored in psychiatric genomics. This represents a significant blind spot in mental health research, particularly given that the rise in wireless technology use parallels increasing rates of neurodevelopmental disorders.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2022). Reliable reference genes for gene expression analyses under the hypomagnetic field in a migratory insect.
Show BibTeX
@article{reliable_reference_genes_for_gene_expression_analyses_under_the_hypomagnetic_field_in_a_migratory_insect_ce4283,
  author = {Unknown},
  title = {Reliable reference genes for gene expression analyses under the hypomagnetic field in a migratory insect},
  year = {2022},
  doi = {10.1038/s41586-022-04434-5},
  
}
DOI: 10.1038/s41586-022-04434-5PubMed: 35396580

Quick Questions About This Study

The study included 76,755 individuals with schizophrenia and 243,649 control participants without the condition, making it one of the largest psychiatric genetic studies ever conducted. This massive sample size allowed researchers to identify subtle genetic effects.
Schizophrenia has a heritability of 60-80%, meaning genetics account for most of the disease risk. However, this leaves 20-40% unexplained, likely involving environmental factors that researchers are only beginning to understand and investigate.
The genetic associations were concentrated in genes expressed in excitatory and inhibitory neurons of the central nervous system, but not in other tissues or cell types. This suggests schizophrenia primarily affects brain cell communication networks.
Researchers identified 120 genes likely to underpin disease associations, including 106 protein-coding genes. Among these, 16 genes had credible causal variations that directly alter protein function or gene regulation in ways that increase schizophrenia risk.
Yes, the study found convergence between schizophrenia genes and those implicated in neurodevelopmental disorders. Fine-mapped candidates were enriched for genes associated with rare disruptive variants in people with various neurodevelopmental conditions, suggesting shared biological pathways.