Target Enrichment Approaches for Next-Generation Sequencing Applications in Oncology

Area of Science:

• Genomics
• Molecular Biology
• Biotechnology

Background:

• Genomic sequence variant screening is essential for precision medicine.
• Next-generation sequencing (NGS) offers high-throughput analysis of various genetic alterations.
• Target enrichment is a critical step to focus NGS on specific genomic regions.

Purpose of the Study:

• To review the principles of target enrichment methods for NGS.
• To compare polymerase chain reaction-based and hybridization capture techniques.
• To discuss variations, automation, and commercial options for target enrichment.

Main Methods:

• Summarizes principles of PCR-based (amplicon) and hybridization capture-based target enrichment.
• Discusses variations, automation, and commercial availability of these methods.

Main Results:

• Both PCR-based and hybridization capture methods are prominent for target enrichment.
• Each method has distinct advantages and drawbacks influencing accuracy and cost-effectiveness.

Conclusions:

• Effective target enrichment is vital for efficient and precise genomic variant screening using NGS.
• The choice of method depends on specific research or clinical needs, balancing accuracy, cost, and throughput.