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Updated: May 29, 2026
11:02
Detecting Somatic Genetic Alterations in Tumor Specimens by Exon Capture and Massively Parallel Sequencing
Published on: October 18, 2013
Whole cancer genome sequencing by next-generation methods
Jeffrey S Ross1, Maureen Cronin
1Department of Pathology, Albany Medical College, 47 New Scotland Ave., Albany, NY 12208, USA.
American Journal of Clinical Pathology
|September 16, 2011
Summary
Next-generation sequencing (NGS) offers comprehensive cancer gene analysis, detecting various mutations for targeted therapies. This advanced approach promises lower costs and broader applications in clinical diagnostics.
Area of Science:
- Genomics and Molecular Biology
- Oncology
- Bioinformatics
Background:
- Traditional sequence analysis is standard for guiding cancer therapy in lung, colorectal, melanoma, sarcoma, leukemia, and lymphoma.
- Next-generation sequencing (NGS) presents a significant advancement over conventional methods for cancer diagnostics.
Purpose of the Study:
- To highlight the advantages of NGS in comprehensive cancer gene sequencing.
- To discuss the potential of NGS in detecting diverse genomic alterations for clinical actionability.
Main Methods:
- NGS enables simultaneous sequencing of hundreds to thousands of cancer-related genes.
- Detects a wide spectrum of genomic alterations, including base substitutions, deletions, insertions, copy number variations, and translocations.
Main Results:
- NGS provides a comprehensive profile of cancer-related genes in a single test.
- Facilitates the identification of 'hot-spot mutations' and other critical genomic markers.
Conclusions:
- Clinical adoption of NGS requires robust laboratory infrastructure and computational expertise for actionable reporting.
- Future NGS advancements are expected to reduce costs, increase speed, expand genomic coverage, and enable analysis of smaller specimens like circulating tumor DNA.
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