The Cerebral Microvasculature in Schizophrenia: A Laser Capture Microdissection Study
Author Information
Author(s): Harris Laura W., Wayland Matthew, Lan Martin, Ryan Margaret, Giger Thomas, Lockstone Helen, Wuethrich Irene, Mimmack Michael, Wang Lan, Kotter Mark, Craddock Rachel, Bahn Sabine
Primary Institution: Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, United Kingdom
Hypothesis
This study investigates the cerebral vascular endothelium of schizophrenia patients at the level of transcriptomics.
Conclusion
The study provides preliminary evidence of molecular alterations in the cerebral microvasculature of schizophrenia patients, suggesting a hypo-inflammatory state.
Supporting Evidence
- Previous studies indicated impaired energy supply to the brain in schizophrenia patients.
- Altered glucose metabolism has been observed in schizophrenia.
- Microvascular dysfunction has been suggested as a contributing factor in schizophrenia.
- Gene expression profiling revealed downregulation of genes involved in inflammatory processes.
Takeaway
Researchers looked at brain cells from people with schizophrenia and found some differences that might show how blood flow in the brain is affected.
Methodology
Laser capture microdissection was used to isolate microvascular endothelial cells and neurons from post mortem brain tissue, followed by RNA analysis using microarray platforms.
Potential Biases
Potential biases may arise from the post mortem nature of the samples and the technical challenges of laser capture microdissection.
Limitations
The small sample size may limit the ability to detect significant gene expression changes.
Participant Demographics
12 schizophrenia patients and 12 matched controls, with additional subjects having bipolar disorder.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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