Abstract
T cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignant neoplasm of the lymphocyte precursors that suffered malignant transformation arresting the lymphoid cell differentiation. Clinical studies revealed monoor, more rarely, oligoclonal nature of the disease. A precise identification of malignant clone markers is both the crucial stage of early diagnostics and the essential prognostic factor for therapeutic treatment. Here we present an improved system for unbiased detection of lymphoblastic clones in bone marrow aspirates of T-ALL patients. The system based on multiplex PCR of rearranged T-cell receptor locus (TRB) and straightforward sequencing of the resulted PCR fragments. Testing of the system on genomic DNA from Jurkat cell line and four clinical bone marrow aspirates revealed a set of unique TRB rearrangements that precisely characterize each of tested samples. Therefore, the outcome of the system produces highly informative molecular genetic markers for further monitoring of minimal residual disease in T-ALL patients.
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Original Russian Text © A.A. Minervina, A.Y. Komkov, I.Z. Mamedov, Y.B. Lebedev, 2016, published in Doklady Akademii Nauk, 2016, Vol. 467, No. 1, pp. 105–108.
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Minervina, A.A., Komkov, A.Y., Mamedov, I.Z. et al. Advanced lymphoblastic clones detection in T-cell leukemia. Dokl Biochem Biophys 467, 85–88 (2016). https://doi.org/10.1134/S1607672916020022
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DOI: https://doi.org/10.1134/S1607672916020022