• Medicine · May 2023

    Review

    PAX5 fusion genes in acute lymphoblastic leukemia: A literature review.

    • Fatma Mohamed Fouad and Jehane I Eid.
    • Biology Department, College of Science, Sultan Qaboos University, Muscat, Oman.
    • Medicine (Baltimore). 2023 May 19; 102 (20): e33836e33836.

    AbstractAcute lymphoblastic leukemia (ALL) is a common cancer affecting children worldwide. The development of ALL is driven by several genes, some of which can be targeted for treatment by inhibiting gene fusions. PAX5 is frequently mutated in ALL and is involved in chromosomal rearrangements and translocations. Mutations in PAX5 interact with other genes, such as ETV6 and FOXP1, which influence B-cell development. PAX5/ETV6 has been observed in both B-ALL patients and a mouse model. The interaction between PAX5 and FOXP1 negatively suppresses the Pax5 gene in B-ALL patients. Additionally, ELN and PML genes have been found to fuse with PAX5, leading to adverse effects on B-cell differentiation. ELN-PAX5 interaction results in the decreased expression of LEF1, MB1, and BLNK, while PML-PAX5 is critical in the early stages of leukemia. PAX5 fusion genes prevent the transcription of the PAX5 gene, making it an essential target gene for the study of leukemia progression and the diagnosis of B-ALL.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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