Library for performing high-throughput detection on circulating tumor DNA target genes, as well as detection method and application of library

The invention relates to the field of genomic high-throughput sequencing, in particular to a library for performing high-throughput detection on circulating tumor DNA target genes, as well as a detection method and application of the library. Circulating body fluid of a tumor patient is used as a bi...

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Hauptverfasser: CHEN ZHISHENG, LIU QIANG, ZHANG XIA, ZHANG YU, LI ZHIGUANG, CHEN JUN, LYU DEKANG, MA ZHAOKUI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the field of genomic high-throughput sequencing, in particular to a library for performing high-throughput detection on circulating tumor DNA target genes, as well as a detection method and application of the library. Circulating body fluid of a tumor patient is used as a biological sample, low-concentration free nucleic acid is extracted, the low-concentration free nucleic acid of the biological sample is used as a sample template, target gene exons of the sample template are amplified in a multiplex PCR form, then the tail ends of obtained amplicons are repaired and the 3' ends of the amplicons are connected with A basic groups, the modified amplicons are connected to Illumina sequencing adapters, and then library PCR is carried out by using an index-containing primer, and an amplified product is the library for detecting mutation diversity of the circulating tumor DNA target genes. The in-vitro circulating body fluid of the tumor patient is used as the biological sample for achievi