Genetic Regulation in the Human Brain
Author Information
Author(s): Zeng Biao, Yang Hui, N.M. Prashant, Venkatesh Sanan, Mathur Deepika, Auluck Pavan, Bennett David A., Marenco Stefano, Haroutunian Vahram, Voloudakis Georgios, Lee Donghoon, Fullard John F., Bendl Jaroslav, Girdhar Kiran, Hoffman Gabriel E., Roussos Panos
Primary Institution: Icahn School of Medicine at Mount Sinai
Hypothesis
How do genetic variants influence gene expression across different cell types in the human brain?
Conclusion
This study provides a detailed atlas of genetic regulation in the human brain, revealing cell type-specific regulatory mechanisms that are crucial for understanding neuropsychiatric and neurodegenerative diseases.
Supporting Evidence
- The study identified genetic regulation for 14,258 genes in the human brain.
- 857 genes showed cell type-specific regulatory effects at the class level.
- 981 genes exhibited regulatory effects at the subclass level.
- Colocalization of genetic variants revealed novel genes implicated in Alzheimer's disease and schizophrenia.
- Dynamic genetic regulation was observed across developmental trajectories.
Takeaway
Scientists studied how genes work in different brain cells to understand diseases better. They found that some genes act differently in different types of brain cells.
Methodology
The study used single-nucleus RNA sequencing to analyze 5.6 million nuclei from the human prefrontal cortex of 1,384 donors, identifying genetic regulation across various cell types.
Limitations
The study may have limited statistical power for rarer cell types due to sample size constraints.
Participant Demographics
The cohort included 1,384 donors with diverse ancestries, including 35.6% of non-European ancestry.
Digital Object Identifier (DOI)
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