Journal de la Faculté de Médecine
Volume 4, Numéro 1, Pages 527-532
2020-06-21

Frequency Of Bcr-abl 1 Fusion Transcripts Variants In Chronic Myeloid Leukemia Algerian Patients



Authors : Nachi Mourad . Kihek Ibtissem . Entasoltan Badra . Taibi Karima . Guella Mohamed Djaoued . Abed Amine . Boukhatmi Yasmine . Bekadja Mohamed Amine .

Abstract

Aim. In chronic myeloid leukemia (CML), the research of BCR-ABL1 fusion transcript became essential to confirm the molecular diagnosis. In this study, we describe the different types of BCR-ABL1 fusion transcripts found in CML patients in West Algerian patients. Methods. A total of 167 CML suspected patients were included in our study. A qualitative research on fusion transcripts was carried out by reverse transcription polymerase chain reaction (RT-PCR) technique in the biochemistry laboratory of Oran’s university hospital establishment. Results. The two types of major BCR-ABL1 fusion transcript Mb3a2 and Mb2a2 were present in 59,8 % and 36,4% of cases respectively. Two patients (1,8%) had an atypical and rare transcript type e19a2 and two others (1,8%) co-expressed b3a2 and b2a2 transcript types. Conclusion. Our study confirmed the data in the literature with a higher incidence of the major transcript.

Keywords

Chronic Myeloid Leukemia, multiplex RT-PCR, BCR-ABL1 Transcript, rare fusion transcripts, Co-expression b3a2/b2a2

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