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Erschienen in: Current Hematologic Malignancy Reports 5/2019

25.07.2019 | Molecular Testing and Diagnostics (J Khoury, Section Editor)

Liquid Biopsy by Next-Generation Sequencing: a Multimodality Test for Management of Cancer

verfasst von: Hanadi El Achi, Joseph D. Khoury, Sanam Loghavi

Erschienen in: Current Hematologic Malignancy Reports | Ausgabe 5/2019

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Abstract

Purpose of Review

While liquid biopsy is still relatively a new concept, the advent of next-generation sequencing (NGS) technologies has recently generated a revolution in the field and will be the focus of this review.

Recent Findings

Circulating tumor DNA (ctDNA) derives from tumor cells and provides information about the genetic alterations of tumors. However, ctDNA concentration in plasma can be below the level of detection by conventional methods; therefore, screening for actionable genetic information is challenging. Clinical trials exploring targeted and untargeted sequencing to improve the outcomes of ctDNA detection are showing promising results, having reached a limit of detection as low as 0.001% of ctDNA in a background of normal circulating DNA.

Summary

Most of the challenges related to the sensitivity of detection of ctDNA have been defeated by dint of NGS-based approaches. Despite all the efforts, these methods are still expensive, time-consuming, and require advanced skills for appropriate interpretation. Nevertheless, the technology is rapidly improving, and the expectations for the implementation of liquid biopsy into the clinical practice in the near future are high.
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Metadaten
Titel
Liquid Biopsy by Next-Generation Sequencing: a Multimodality Test for Management of Cancer
verfasst von
Hanadi El Achi
Joseph D. Khoury
Sanam Loghavi
Publikationsdatum
25.07.2019
Verlag
Springer US
Erschienen in
Current Hematologic Malignancy Reports / Ausgabe 5/2019
Print ISSN: 1558-8211
Elektronische ISSN: 1558-822X
DOI
https://doi.org/10.1007/s11899-019-00532-w

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