Single-Neuron Sequencing Analysis of L1 Retrotransposition and Somatic Mutation in the Human Brain

A major unanswered question in neuroscience is whether there exists genomic variability between individual neurons of the brain, contributing to functional diversity or to an unexplained burden of neurological disease. To address this question, we developed a method to amplify genomes of single neur...

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Published in:Cell 2012-10, Vol.151 (3), p.483-496
Main Authors: Evrony, Gilad D., Cai, Xuyu, Lee, Eunjung, Hills, L. Benjamin, Elhosary, Princess C., Lehmann, Hillel S., Parker, J.J., Atabay, Kutay D., Gilmore, Edward C., Poduri, Annapurna, Park, Peter J., Walsh, Christopher A.
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Language:eng
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Summary:A major unanswered question in neuroscience is whether there exists genomic variability between individual neurons of the brain, contributing to functional diversity or to an unexplained burden of neurological disease. To address this question, we developed a method to amplify genomes of single neurons from human brains. Because recent reports suggest frequent LINE-1 (L1) retrotransposition in human brains, we performed genome-wide L1 insertion profiling of 300 single neurons from cerebral cortex and caudate nucleus of three normal individuals, recovering >80% of germline insertions from single neurons. While we find somatic L1 insertions, we estimate
ISSN:0092-8674
1097-4172