Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Automated Capture-Based NGS Workflow: One Thousand Patients Experience in a Clinical Routine Framework

Version 1 : Received: 1 March 2021 / Approved: 2 March 2021 / Online: 2 March 2021 (16:00:24 CET)

How to cite: Tenedini, E.; Celestini, F.; Iapicca, P.; Marino, M.; Castellano, S.; Artuso, L.; Biagiarelli, F.; Cortesi, L.; Toss, A.; Barbieri, E.; Roncucci, L.; Pedroni, M.; Manfredini, R.; Luppi, M.; Trenti, T.; Tagliafico, E. Automated Capture-Based NGS Workflow: One Thousand Patients Experience in a Clinical Routine Framework. Preprints 2021, 2021030103 (doi: 10.20944/preprints202103.0103.v1). Tenedini, E.; Celestini, F.; Iapicca, P.; Marino, M.; Castellano, S.; Artuso, L.; Biagiarelli, F.; Cortesi, L.; Toss, A.; Barbieri, E.; Roncucci, L.; Pedroni, M.; Manfredini, R.; Luppi, M.; Trenti, T.; Tagliafico, E. Automated Capture-Based NGS Workflow: One Thousand Patients Experience in a Clinical Routine Framework. Preprints 2021, 2021030103 (doi: 10.20944/preprints202103.0103.v1).

Abstract

(1) Background: the NGS based mutational study of hereditary cancer genes is crucial to design tailored prevention strategies in subjects with different hereditary cancer risk. The ease of amplicon-based NGS library construction protocols contrasts with the greater uniformity of enrichment provided by capture-based protocols and so with greater chances for detecting larger genomic rearrangements and copy-number variations. Capture-based protocols, however, are characterized by a higher level of complexity of sample handling, extremely susceptible to human bias. Robotics platforms may definitely help dealing with these limits, reducing hands-on time, limiting random errors and guaranteeing process standardization. (2) Methods: We implemented and validated the complete automation of the SOPHiA GENETICS’ CE-IVD Hereditary Cancer Solution™ (HCS) libraries preparation workflow on the Hamilton’s STARlet platform. (3) Results: We demonstrate that this automated workflow, used for more than 1000 samples achieved the same performances of manual setup in terms of coverages and reads uniformity, with extremely lower variability of reads mapping rate onto the regions of interest. (4) Conclusions: This automated solution offers same reliable and affordable NGS data, but with the essential advantages of a flexible, automated and integrated framework, minimizing possible human errors and depicting a laboratory’s walk-away scenario.

Subject Areas

Next Generation Sequencing; Laboratory automation; Hereditary Cancer; Genetic Testing; Clinical Genomics.

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