Exploring the Role of Transcriptome Variation in Cognitive Decline

Brigham And Women'S Hospital, Boston MA

Investigators

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Abstract

DESCRIPTION (provided by applicant): In this project, we will investigate the transcriptomes of a human brain tissue to resolve RNA transcripts and functional variants that contribute to the process of cognitive decline in the aging human brain. Our approach using next generation RNA sequencing to create these transcriptomes will allow an unparalleled perspective on the complexity of transcriptional regulation of the brain, which is a tissue with one of the most diverse content of alternatively spliced transcripts and non-coding RNA molecules, many of which may not have been previously discovered. Further, the availability of genome-wide genotype data on the same subjects gives us a unique opportunity to explore the genetic effects on RNA expression. Thus, we may gain insight not only into the transcriptome diversity of the aging human brain but also into the manner in which genetic variation associated with clinically impaired cognition exert a functional consequence on the human brain. ! !