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Citation
Lo Iacono, M., Signorino, E., Petiti, J., Pradotto, M., Calabrese, C., Panuzzo, C., Caciolli, F., Pergolizzi, B., De Gobbi, M., Rege-Cambrin, G., Fava, C., Giachino, C., Bracco, E., Saglio, G., Frassoni, F., Cilloni, D. (2021). Genetic Screening for Potential New Targets in Chronic Myeloid Leukemia Based on Drosophila Transgenic for Human BCR-ABL1.  Cancers (Basel) 13(2): E293.
FlyBase ID
FBrf0247861
Publication Type
Research paper
Abstract

Chronic myeloid leukemia is a myeloproliferative neoplasm characterized by the presence of the Philadelphia chromosome that originates from the reciprocal translocation t(9;22)(q34;q11.2) and encodes for the constitutively active tyrosine kinase protein BCR-ABL1 from the Breakpoint Cluster Region (BCR) sequence and the Abelson (ABL1) gene. Despite BCR-ABL1 being one of the most studied oncogenic proteins, some molecular mechanisms remain enigmatic, and several of the proteins, acting either as positive or negative BCR-ABL1 regulators, are still unknown. The Drosophila melanogaster represents a powerful tool for genetic investigations and a promising model to study the BCR-ABL1 signaling pathway. To identify new components involved in BCR-ABL1 transforming activity, we conducted an extensive genetic screening using different Drosophila mutant strains carrying specific small deletions within the chromosomes 2 and 3 and the gmrGal4,UAS-BCR-ABL1 4M/TM3 transgenic Drosophila as the background. From the screening, we identified several putative candidate genes that may be involved either in sustaining chronic myeloid leukemia (CML) or in its progression. We also identified, for the first time, a tight connection between the BCR-ABL1 protein and Rab family members, and this correlation was also validated in CML patients. In conclusion, our data identified many genes that, by interacting with BCR-ABL1, regulate several important biological pathways and could promote disease onset and progression.

PubMed ID
PubMed Central ID
PMC7830713 (PMC) (EuropePMC)
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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    Cancers (Basel)
    Title
    Cancers
    ISBN/ISSN
    2072-6694
    Data From Reference
    Aberrations (201)
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    Alleles (5)
    Genes (3)
    Human Disease Models (1)
    Transgenic Constructs (5)