Development of digital PCR molecular tests for clinical practice: principles, practical implementation and recommendations.

Abstract : Digital PCR (dPCR) is a 3rd generation technology that complements traditional end-point PCR and real-time PCR. It was developed to overcome certain limitations of conventional amplification techniques, in particular for the detection of small amounts of nucleic acids and/or rare variants. This technology is in a full swing because of its high sensitivity and major applications in various domains such as oncology, transplantation or non-invasive prenatal testing. Consequently, PCRd also has great interest in many areas of medical biology, particularly for clinical applications aiming at detecting and quantifying specific genetic or epigenetic alterations of nucleic acids, even with specimens containing very low concentration of the nucleic acids of interest (e.g. liquid biopsies). However, this technique requires a good training of users and compliance with certain precautions. A lack in such a knowledge can lead to many errors in the conduct of the experiment and the interpretation of the results. In this review, we present the context in which this technology has emerged by describing in particular its principle and the main factors that can influence the quality of the analysis. Then, we propose a number of practical recommendations for the implementation of a test based on dPCR in clinical laboratories with an eye on quality requirements.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02353393
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Soumis le : jeudi 7 novembre 2019 - 11:59:02
Dernière modification le : jeudi 14 novembre 2019 - 17:22:04

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Jérôme Alexandre Denis, Juliette Nectoux, Pierre-Jean Lamy, Christelle Rouillac Le Sciellour, Hélène Guermouche, et al.. Development of digital PCR molecular tests for clinical practice: principles, practical implementation and recommendations.. Annales de Biologie Clinique, John Libbey Eurotext, 2018, 76 (5), pp.505-523. ⟨10.1684/abc.2018.1372⟩. ⟨hal-02353393⟩

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