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Targeted DNA Methylation Analysis by Next-generation Sequencing
Published on: February 24, 2015
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Next generation sequencing in hematolymphoid neoplasia
1Director of Clinical Cancer Genomics and Molecular Pathology, Department of Pathology, UCLA Medical Center, Los Angeles, CA.
Seminars in Hematology
|December 22, 2018
Summary
Next-generation sequencing (NGS) offers a versatile solution for identifying genomic alterations in hematolymphoid neoplasms. This approach is practical and cost-effective for clinical diagnostic laboratories, aiding in diagnosis and treatment.
Area of Science:
- Genomics and Molecular Diagnostics
- Hematopathology
- Clinical Laboratory Science
Background:
- Genomic alterations in hematolymphoid neoplasms have significant diagnostic, therapeutic, and prognostic implications.
- Individual gene testing for these alterations is becoming impractical and costly due to the increasing number of identified targets.
- Multiplex testing platforms, particularly next-generation sequencing (NGS), are emerging as essential tools in clinical diagnostics.
Purpose of the Study:
- To discuss the current clinical applications of next-generation sequencing (NGS) in hematolymphoid neoplasms.
- To provide an overview of sequencing instruments and target enrichment methods used in diagnostic laboratories.
- To highlight clinically relevant aspects of analyzing and reporting NGS results.
Main Methods:
- Focuses on the practical application of NGS in clinical diagnostic laboratories, not a technological review.
- Discusses two major families of sequencing instruments (Illumina and Thermo Fisher).
- Explains three common target enrichment methods used in NGS workflows.
Main Results:
- NGS platforms are increasingly adopted in routine clinical practice for hematolymphoid neoplasms.
- The versatility of NGS allows for multiplex testing, addressing the growing need for comprehensive genomic profiling.
- WHO diagnostic criteria now incorporate molecular findings, further driving NGS adoption.
Conclusions:
- NGS is a crucial technology for modern clinical diagnostic laboratories analyzing hematolymphoid neoplasms.
- Understanding NGS methodologies, including instrumentation and target enrichment, is vital for effective implementation.
- Standardized analysis and reporting of NGS results are essential for clinical utility.
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