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QIAseq Tumor Mutational Burden Panels

For creating a comprehensive profile of Tumor Mutational Burden (TMB) and Microsatellite Instability Status (MSI)

Features

  • Create highly uniform libraries
  • Easy workflow using enzymatic fragmentation
  • Robust analysis modules
  • Unprecedented insight
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QIAseq Targeted DNA IO Panel (12)

Cat. No. / ID: 333802

Kit containing ALL reagents (except indexes) for targeted DNA sequencing; fixed panel for 12 samples; more than 100 genes
PanelIndex
QIAseq Targeted DNA IO Panel
QIAseq Targeted DNA Booster Panel
QIAseq 12-Index I
Reactions
12
96
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QIAseq Tumor Mutational Burden Panels are intended for molecular biology applications. These products are not intended for the diagnosis, prevention, or treatment of a disease.

✓ 24/7 automatic processing of online orders

✓ Knowledgeable and professional Product & Technical Support

✓ Fast and reliable (re)-ordering

Product Details

Researchers face the challenge of creating a reliable, consistent workflow for easily processing samples to understand the mutational landscape of tumors. Tumor Mutational Burden (TMB) is the measure of the number of mutations found within a tumor. However, a lack of standardized testing has prevented any meaningful movement to create a TMB biomarker. The new QIAseq Tumor Mutational Burden Panels overcome the challenges of earlier assay designs to create a comprehensive profile of TMB and Microsatellite Instability (MSI) status by achieving high analytical sensitivity, with lower false and negative rates, while still maintaining >95% correlation with whole exome datasets. QIAseq NGS assays, including the QIAseq TMB and MSI Panels, have a fail rate of less than 5% for samples that have passed QC and provide a TMB score. The QIAseq TMB Panel has been tested in several key opinion leader labs and has performed as well or better than many earlier products. This comprehensive panel covers 486 genes and can be boosted to add 27 MSI markers. Want to try this solution for the first time? Request a quote for a trial.

Specifically, the QIAseq TMB Panel:

  • Correlates well with Whole Exome Sequencing – in silico comparison shows over 98% correlation
  • Correlates well with established TMB panels – in vitro comparison shows over 93% correlation
  • Creates highly uniform libraries – encounter fewer errors and capture difficult variants
  • Uses enzymatic fragmentation for an easy workflow – superior preparation that conserves sample mass and maximizes retention with a sample’s complexity
  • Employs robust analysis modules – analyze results with integrated genomic analysis tools for secondary, tertiary and TMB calling
  • Incorporates Unique Molecular Indices (UMIs) – correct for PCR and sequencing errors
  • Provides unprecedented insight – use QCI with the latest AMP/ASCO guidelines

Need a quote for your research project or would you like to discuss your project with our specialist team? https://go.qiagen.com/ExiqoncomProductandServiceInformation

Performance

Each panel is a one-box, NGS platform-agnostic solution that contains all the necessary components, such as beads and key primers, to construct libraries from enriched genomic targets. Primer design is based on single primer extension, in which each genomic target is enriched by one target-specific primer and one universal primer – a strategy that removes conventional two target-specific primer design restriction and reduces the amount of required primers. All primers required for a panel are pooled into an individual primer pool to reduce panel handling and the number of pools required for enrichment and library construction. Platform-specific indexes, which are contained in a separate box, allow the multiplexing of up to 384 samples per sequencing run.

 

  1. Accuracy: Innovative digital sequencing (incorporating UMIs) eliminates PCR duplication and amplification artifacts to detect low-frequency variants with high confidence (see Figure "Principle of molecular bar codes").

 

  1. Analytical specificity: The unique combination of our proprietary primer design algorithm and rigorous testing of every primer assay guarantees high analytical specificity and accurate results.

 

  1. Uniformity: The QIAseq TMB Panel workflow has been optimized to deliver highly uniform sequencing results, to ensure sequencing capacity is utilized very efficiently (see Figure "Uniformity").

 

  1. Analytical sensitivity: Digital DNA sequencing approach is optimized to deliver high confidence in calling low-frequency DNA variants. Over 90% analytical sensitivity for 1% NA12878 SNP and indel on typical coding region with false positive less than 15 per mega base region when variants are detected with tiled primer design to cover complete coding region of each gene.

 

  1. Universality: The chemistry used in the QIAseq TMB Panels and workflow is compatible with both regular and GC-rich genomic regions, allowing one to achieve 100% coverage of genes rich in GC content such as CEBPA and CCND1 (see Figure "Coverage of GC-rich genomic regions").

 

  1. Flexibility: The QIAseq TMB Panels offer a high degree of flexibility in content and sample multiplexing. Several cataloged panels have been developed for a wide range of applications. One can also build a custom panel for a specific content, or extend the contents of an existing cataloged panel. Up to 384 samples can be multiplexed using the QIAseq indexes.

 

Performance table QIAseq TMB Panels and MSI:

  • Number of genes: 486
  • Analytical specificity (on-target): 95.5%
  • Uniformity (0.2x mean depth): 97.8%
  • Variant allele frequency for TMB: 1.0–5.0%
  • Types of variants called: TMB score, SNVs, Indels, CNVs
  • Recommended DNA input: 20–40 ng
  • Total workflow time: 9 hours
  • Comprehensive kit: Includes beads

Principle

PCR duplicates are a major issue in targeted DNA sequencing, since, through PCR amplification, they turn unique DNA molecules into identical DNA molecules that cannot be distinguished from each other. In addition, errors from PCR amplification and sequencing process may also be present in final reads that lead to false positive variants in sequencing results. This, in turn, results in the inability to confidently call DNA variants present at low frequencies in the starting DNA material. To overcome the issue of PCR duplicates and amplification artifacts, the QIAseq TMB Panels use digital sequencing by incorporating UMIs into the starting DNA material before any amplification takes place, thereby preserving the uniqueness of the starting DNA molecules and overcoming the issues of PCR duplicates, false positives and library bias.

Procedure

The entire workflow of the QIAseq TMB Panels to go from extracted DNA to sequencing-ready libraries can be completed in 9 hours (see Figure "Workflow"). Extracted DNA is fragmented, genomic targets are molecularly bar coded and enriched, and libraries are constructed. Sequencing files can be fed into the QIAseq pipeline, a cloud-based data analysis pipeline, which will filter, map and align reads, as well as count unique molecular bar codes associated with targeted genomic regions, and call variants with a bar code-aware algorithm. This data can then be fed into IVA or QCI for interpretation.

Applications

The QIAseq TMB Panels can be used to call a variety of DNA variants from a wide range of sample types for numerous applications.

DNA variants:

  • SNVs
  • Indels
  • CNVs

 

Sample types:

  • FFPE
  • Plasma/serum
  • Fresh or frozen tissue
  • Cell lines

 

Applications:

  • Call TMB scores
  • Profiling of DNA variants in solid and hematologic malignancies
  • Hotspot detection in solid tumors

 

 

Content:

  • Signal transduction: 15%
  • DNA damage and repair: 12%
  • Antigen presenting machinery: 9%
  • Tumor suppressor: 9%
  • Cell cycle: 7%
  • Oncogenes: 7%
  • Transcription factors: 6%
  • Apoptosis: 6%
  • Epigenetics: 5%
  • Immune response: 4%
  • Adhesion: 3%
  • Checkpoint: 3%
  • MSI booster: 3%
  • Angiogenesis: 2%
  • Metabolism: 2%
  • Other: 8%

Supporting data and figures

Resources

Safety Data Sheets (1)
Download Safety Data Sheets for QIAGEN product components.
Brochures & Guides (4)
Kit Handbooks (2)
For ultrasensitive targeted next-generation sequencing (NGS) of DNA for Illumina NGS systems
For ultrasensitive targeted next-generation sequencing (NGS) of DNA for Ion Torrent NGS systems