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Updated: Apr 30, 2026

Integration of Wet and Dry Bench Processes Optimizes Targeted Next-generation Sequencing of Low-quality and Low-quantity Tumor Biopsies
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Next-generation sequencing: a change of paradigm in molecular diagnostic validation

Manuel Salto-Tellez1, David Gonzalez de Castro

  • 1Northern Ireland Molecular Pathology Laboratory, Centre for Cancer Research and Cell Biology, Queen's University Belfast, UK.

The Journal of Pathology
|April 24, 2014
PubMed

Insights

Next-generation sequencing (NGS) offers significant diagnostic and therapeutic potential in oncology. Establishing clear validation strategies and international guidelines is crucial for integrating NGS into routine clinical practice and maximizing resource efficiency.

Area of Science:

  • Genomic Medicine
  • Molecular Diagnostics
  • Clinical Bioinformatics

Background:

  • Next-generation sequencing (NGS) is increasingly recognized for its diagnostic and therapeutic applications in cancer.
  • NGS enables molecular cancer taxonomy, mutation detection, and personalized treatment strategies beyond organ specificity.

Purpose of the Study:

  • To discuss the necessary validation strategies for implementing NGS in clinical diagnostics.
  • To address key considerations for NGS test validation, including scope, performance metrics, bioinformatic interpretation, turnaround time, and cost-effectiveness.

Main Methods:

  • This commentary reviews current challenges and proposes a framework for NGS validation.
  • It addresses critical aspects such as defining validation extent, calculating performance indicators (sensitivity, specificity), validating bioinformatic pipelines, and assessing turnaround times and cost-effectiveness.

Main Results:

  • The commentary highlights the need for rigorous validation of NGS assays and bioinformatic analyses before clinical adoption.
  • It emphasizes that a standardized validation approach is essential for reliable diagnostic and therapeutic applications.

Conclusions:

  • A unified set of international guidelines for NGS validation and clinical use is proposed.
  • Implementing such guidelines will enhance resource utilization and facilitate the effective integration of NGS into routine diagnostics.
Keywords:
next-generation sequencing (NGS)technologyvalidation

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