Brain-Expressed microRNAs and Schizophrenia
Author Information
Author(s): Thomas Hansen, Line Olsen, Morten Lindow, Klaus D. Jakobsen, Henrik Ullum, Erik Jonsson, Ole A. Andreassen, Srdjan Djurovic, Ingrid Melle, Ingrid Agartz, Håkan Hall, Sally Timm, August G. Wang, Thomas Werge
Primary Institution: Research Institute of Biological Psychiatry, Sct. Hans Hospital, Roskilde, Denmark
Hypothesis
Are genetic variants of brain-expressed microRNAs associated with schizophrenia?
Conclusion
The study found nominal associations between specific brain-expressed microRNAs and schizophrenia.
Supporting Evidence
- Two SNPs showed nominal significant allelic association to schizophrenia.
- Eight of the 15 genes predicted to be regulated by the identified miRNAs are connected in a network.
- Previous studies have linked some of these genes to schizophrenia.
Takeaway
This study looked at tiny molecules in the brain that might be linked to schizophrenia, and found some that could be important.
Methodology
A case-control study design was used to analyze SNPs in brain-expressed miRNAs across three Scandinavian samples.
Potential Biases
The study may be affected by ethnic admixture and differences in clinical characteristics among the samples.
Limitations
The associations were not consistent across all samples, indicating potential heterogeneity.
Participant Demographics
The study included schizophrenia patients and healthy controls from Denmark, Sweden, and Norway, with varying ages and ethnic backgrounds.
Statistical Information
P-Value
0.0021
Confidence Interval
1.03–3.36
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website