Minimal/Measurable Residual Disease Monitoring in Patients with Lymphoid Neoplasms by High-Throughput Sequencing of the T-Cell Receptor

High-throughput sequencing of the T-cell receptor beta (TRB) and gamma (TRG) loci is increasingly utilized due to its high sensitivity, specificity, and versatility in the diagnosis of various T-cell malignancies. Application of these technologies for tracking disease burden can be valuable in detec...

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Bibliographic Details
Published in:The Journal of molecular diagnostics : JMD 2023-06, Vol.25 (6), p.331-341
Main Authors: Tung, Jack K., Jangam, Diwash, Ho, Chandler C., Fung, Eula, Khodadoust, Michael S., Kim, Youn H., Zehnder, James L., Stehr, Henning, Zhang, Bing M.
Format: Article
Language:English
Subjects:
High-Throughput Nucleotide Sequencing - methods
Humans
Lymphoma
Neoplasm, Residual - diagnosis
Neoplasm, Residual - genetics
Precursor Cell Lymphoblastic Leukemia-Lymphoma - genetics
Receptors, Antigen, T-Cell - genetics
T-Lymphocytes
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Summary:High-throughput sequencing of the T-cell receptor beta (TRB) and gamma (TRG) loci is increasingly utilized due to its high sensitivity, specificity, and versatility in the diagnosis of various T-cell malignancies. Application of these technologies for tracking disease burden can be valuable in detecting recurrence, determining response to therapy, guiding future management of patients, and establishing endpoints for clinical trials. In this study, the performance of the commercially available LymphoTrack high-throughput sequencing assay was assessed for determining residual disease burden in patients with various T-cell malignancies. A custom bioinformatics pipeline and database was also developed to facilitate minimal/measurable residual disease analysis and clinical reporting. This assay demonstrated excellent test performance characteristics, achieving a sensitivity of 1 of 100,000 T-cell equivalents for the DNA inputs evaluated and high concordance with orthogonal testing methods. This assay was further utilized to correlate disease burden in several patients, demonstrating its potential utility for monitoring patients with T-cell malignancies.
ISSN:1525-1578
1943-7811
DOI:10.1016/j.jmoldx.2023.02.002