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Next-generation sequencing in lymphoid malignancies
Lymphoid malignancies involve the clonal proliferation of one or more B or T cells. Every B and T cell expresses distinct receptors on its surface, which give rise to a vastly diverse immune repertoire. Using next-generation sequencing (NGS) technology, these unique receptor sequences can be used to assess clonality, detect rare clones, and measure somatic hypermutation (SHM).
NGS offers significant advantages over traditional approaches by providing sequence information, giving a more detailed view into repertoire (sub-clonal and intra-clonal) diversity, offering ultra-high sensitivity and providing greater flexibility to multiplex.
Watch how NGS can better better specificity and resolution than traditional methods for lymphoid malignancy research
On Demand Webinar: Advances in Immune Repertoire Sequencing for the Study of Lymphoid Neoplasms
Learn about the value of immune repertoire sequencing in hematological oncology research applications. Dr. DeCoteau
shares his experience using the new Oncomine
Pan-Clonality assays.
On Demand Webinar: Sequencing IGH Chains for Immuno-Oncology Research
In this on-demand webinar, Timothy Looney describes the advantages of BCR-seq as a tool for determining the somatic hypermutation status of chronic lymphocytic leukemia (CLL) and highlights emerging translational research applications of BCR-seq as a biomarker discovery tool for adenosine pathway inhibition immunotherapy.
Clonality and rare clone detection
NGS provides sequence-level resolution for clonality assessment, allowing you to detect expanded clones from poly-clonal samples with very high specificity. Integrated bioinformatic tools let you easily assess clonal lineage to better understand the relationship between two clones.
NGS offers a greater level of sensitivity when compared to traditional methods like flow cytometry. The ultra-low limit of detection (LoD) of 10-6 (1 in 1,000,000 cells) enables you to detect extremely rare clones that traditional less-sensitive methods can miss.
Using proprietary Ion AmpliSeq technology, Oncomine immune repertoire assays can target multiple immune receptors in a single reaction, which can lead to increased positive clonality detection rates (>90%) and reduce the need for secondary testing.
Oncomine pan-clonality assays
Oncomine TCR Pan-Clonality Assay
The Oncomine TCR Pan-Clonality Assay specifically interrogates the CDR3 region of the T-cell receptor (TCR) beta and gamma chains. Detect low frequency T-cell clones in peripheral blood, with sensitivity down to 10-6.
Oncomine BCR-SR Assay
Assess clonality by targeting the CDR3 region of the IGH receptor. Have the flexibility to process DNA or RNA samples. Use RNA input to detect rare B cell clones with high sensitivity (LOD: 10-6), while maximizing cost efficiency.
Oncomine BCR Pan-Clonality Assay
This powerful and sensitive NGS assay can accurately assess clonality and detect rare clones in a range of sample types including blood, bone marrow, and FFPE preserved tissues.
Simultaneously sequence multiple receptor targets in a single reaction, including IGH, IgK, and IgL rearrangements, as well as kappa deletion element (KDE)-containing rearrangements.
Somatic hypermutation analysis assays
Following V(D)J recombination in developing lymphocytes, the IGHV gene undergoes somatic hypermutation. During this process, a series of point mutations are introduced to help confer greater repertoire diversity and enable higher affinity for potential antigens.
The degree of somatic hypermutation is a key biomarker relevant for chronic lymphocytic leukemia (CLL) research. Long-amplicon NGS assays provide highly accurate IGHV SHM quantification, while enabling efficient batch sample processing and simplifying the workflow when compared to traditional Sanger sequencing methods.
Oncomine IGHV Leader-J Assay
Sequence from the Leader region of the BCR IGHV gene to assess SHM frequency. The Leader-J Assay adheres to recommendations by the European Research Initiative on CLL (ERIC). These standards in CLL research aid in understanding of the biological and clinical relevance for immunogenetic analysis.
Oncomine BCR IGH LR Assay
Accurately measure the level of SHM from the FR1 to the constant region of the BCR IGHV gene. Identify all isotypes (and subtypes) to expand immune repertoire research possibilities. Process various sample types, including blood and bone marrow, using a low RNA input requirement (25 ng).
Powerful informatics and visualization tools
Interactive spectratyping plots make it easy to identify clonal expansion within the broader context of the repertoire. Automated reporting features provide detailed information on each clone, including the CDR3 sequence, SHM frequency, clone frequency, and more.
Scientific posters
EAHP 2021 hemato-oncology symposium on demand
Watch this on-demand presentation to hear our customers discuss the latest advancements in NGS testing for lymphoid neoplasm samples.
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