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  • Title: [Molecular basis of chronic myelogenous leukemia and significance of diagnostic methods based on BCR-ABL gene amplification].
    Author: Sacha T, Dulak J, Skotnicki AB, Dembińska-Kiec A.
    Journal: Przegl Lek; 1999; 56 Suppl 1():57-61. PubMed ID: 10494184.
    Abstract:
    Chronic myelogenous leukemia is characterized by an abnormal 22nd chromosome known as a Philadelphia chromosome, which can be detected in 95% of patients with CML. Molecular equivalent of this aberration is a BCR-ABL translocation resulting in chimeric gene formation. A BCR-ABL chimeric gene plays a key role in the hematopoietic cells proliferation regulation. RT-PCR can be used in diagnosis of CML, to detect chimeric BCR-ABL gene, and to reveal the type of translocation what could have prognostic importance, and in monitoring of minimal residual disease, confirming the eradication of pathological cells clone after treatment and identifying the group of patients with best prognosis and best overall survival. RT-PCR in monitoring of minimal residual disease after allo- or autologous hemopoietic cells transplantation can early reveal relapse of the disease. Detection of molecular relapse is an important prognostic factor and may implicate induction of treatment which should prevent haematological relapse of the disease.
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