Quantifying sequencing error and effective sequencing depth of liquid biopsy NGS with UMI error correction
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Quantifying sequencing error and effective sequencing depth of liquid biopsy NGS with UMI error correction. / Frank, Malene Støchkel; Fuß, Janina; Steiert, Tim Alexander; Streleckiene, Greta; Gehl, Julie; Forster, Michael.
I: BioTechniques, Bind 70, Nr. 4, 2021, s. 226-232.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Quantifying sequencing error and effective sequencing depth of liquid biopsy NGS with UMI error correction
AU - Frank, Malene Støchkel
AU - Fuß, Janina
AU - Steiert, Tim Alexander
AU - Streleckiene, Greta
AU - Gehl, Julie
AU - Forster, Michael
PY - 2021
Y1 - 2021
N2 - Liquid biopsies are a minimally invasive method to diagnose and longitudinally monitor tumor mutations in patients when tissue biopsies are difficult (e.g., in lung cancer). The percentage of cell-free tumor DNA in blood plasma ranges from more than 65% to 0.1% or lower. To reliably diagnose tumor mutations at 0.1%, there are two options: unrealistically large volumes of patient blood or library preparation and sequencing depth optimized to low-input DNA. Here, we assess two library preparation methods and analysis workflows to determine feasibility and reliability based on standards with known allelic frequency (0 and 0.13% in PIK3CA). However, the implementation for patients is still costly and requires elaborate setups.
AB - Liquid biopsies are a minimally invasive method to diagnose and longitudinally monitor tumor mutations in patients when tissue biopsies are difficult (e.g., in lung cancer). The percentage of cell-free tumor DNA in blood plasma ranges from more than 65% to 0.1% or lower. To reliably diagnose tumor mutations at 0.1%, there are two options: unrealistically large volumes of patient blood or library preparation and sequencing depth optimized to low-input DNA. Here, we assess two library preparation methods and analysis workflows to determine feasibility and reliability based on standards with known allelic frequency (0 and 0.13% in PIK3CA). However, the implementation for patients is still costly and requires elaborate setups.
KW - cell-free DNA
KW - low allele frequency
KW - next-generation sequencing
KW - unique molecular identifier (UMI)
U2 - 10.2144/btn-2020-0124
DO - 10.2144/btn-2020-0124
M3 - Journal article
C2 - 33512245
AN - SCOPUS:85104369522
VL - 70
SP - 226
EP - 232
JO - BioTechniques
JF - BioTechniques
SN - 0736-6205
IS - 4
ER -
ID: 261055473