Chapter title |
Detection of Cross-Sample Contamination in Multiple Myeloma Samples and Sequencing Data
|
---|---|
Chapter number | 10 |
Book title |
Multiple Myeloma
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7865-6_10 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7864-9, 978-1-4939-7865-6
|
Authors |
Owen W. Stephens, Tobias Meißner, Niels Weinhold, Stephens, Owen W., Meißner, Tobias, Weinhold, Niels |
Abstract |
The increasing applicability and sensitivity of next generation sequencing methods exacerbate one of the main issues in the molecular biology laboratory, namely cross-sample contamination. This type of contamination, which could massively increase the rate of false-positive calls in sequencing experiments, can originate at each step during the processing of multiple myeloma samples, such as CD138-selection of tumor cells, RNA and DNA isolation or the processing of sequencing libraries. Here we describe a Droplet Digital PCR (ddPCR) method and a simple bioinformatic solution for the detection of contamination in patient's samples and derived sequencing data, which are based on the same principle: detection of alternative alleles for single-nucleotide polymorphisms (SNPs) that are homozygous according to the control (germ line) sample. |
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