J 2020

High-throughput sequencing of T-cell receptor alpha chain clonal rearrangements at the DNA level in lymphoid malignancies

KOMKOV, Alexander; Anna MIROSHNICHENKOVA; Gaiaz NUGMANOV; Alexander POPOV; Mikhail POGORELYY et. al.

Basic information

Original name

High-throughput sequencing of T-cell receptor alpha chain clonal rearrangements at the DNA level in lymphoid malignancies

Authors

KOMKOV, Alexander; Anna MIROSHNICHENKOVA; Gaiaz NUGMANOV; Alexander POPOV; Mikhail POGORELYY; Eva ZAPLETALOVÁ; Hana JELINKOVA; Šárka POSPÍŠILOVÁ; Yuri LEBEDEV; Dmitriy CHUDAKOV; Yulia OLSHANSKAYA; Karla PLEVOVÁ; Michael MASCHAN and Ilgar MAMEDOV

Edition

British Journal of Haematology, England, Wiley-Blackwell, 2020, 0007-1048

Other information

Language

English

Type of outcome

Article in a journal

Field of Study

30205 Hematology

Country of publisher

United States of America

Confidentiality degree

is not subject to a state or trade secret

References:

Impact factor

Impact factor: 6.998

RIV identification code

RIV/00216224:14740/20:00116416

Organization unit

Central European Institute of Technology

UT WoS

000516520300019

EID Scopus

2-s2.0-85073999584

Keywords in English

T-cell receptor alpha chain; clonal rearrangements; acute lymphoblastic leukaemia; lymphoproliferative disorders; high-throughput sequencing

Tags

International impact, Reviewed
Changed: 3/3/2021 14:36, Mgr. Pavla Foltynová, Ph.D.

Abstract

In the original language

Rearrangements of T- and B-cell receptor (TCR and BCR) genes are useful markers for clonality assessment as well as for minimal residual disease (MRD) monitoring during the treatment of haematological malignancies. Currently, rearrangements of three out of four TCR and all BCR loci are used for this purpose. The fourth TCR gene, TRA, has not been used so far due to the lack of a method for its rearrangement detection in genomic DNA. Here we propose the first high-throughput sequencing based method for the identification of clonal TRA gene rearrangements at the DNA level. The method is based on target amplification of the rearranged TRA locus using an advanced multiplex polymerase chain reaction system and high-throughput sequencing, and has been tested on DNA samples from peripheral blood of healthy donors. Combinations of all functional V- and J-segments were detected, indicating the high sensitivity of the method. Additionally, we identified clonal TRA rearrangements in 57 out of 112 tested DNA samples of patients with various T-lineage lymphoproliferative disorders. The method fills the existing gap in utilizing the TRA gene for a wide range of studies, including clonality assessment, MRD monitoring and clonal evolution analysis in different lymphoid malignancies.