Chapter title |
Analyzing Copy Number Variation with Droplet Digital PCR
|
---|---|
Chapter number | 9 |
Book title |
Digital PCR
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7778-9_9 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7776-5, 978-1-4939-7778-9
|
Authors |
Avery Davis Bell, Christina L. Usher, Steven A. McCarroll, Bell, Avery Davis, Usher, Christina L., McCarroll, Steven A. |
Abstract |
Many genomic segments vary in copy number among individuals of the same species, or between cancer and normal cells within the same person. Correctly measuring this copy number variation is critical for studying its genetic properties, its distribution in populations and its relationship to phenotypes. Droplet digital PCR (ddPCR) enables accurate measurement of copy number by partitioning a PCR reaction into thousands of nanoliter-scale droplets, so that a genomic sequence of interest-whose presence or absence in a droplet is determined by end-point fluorescence-can be digitally counted. Here, we describe how we analyze copy number variants using ddPCR and review the design of effective assays, the performance of ddPCR with those assays, the optimization of reactions, and the interpretation of data. |
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