The influence of the cell cycle, differentiation and irradiation on the nuclear location of the ABL, BCR and C-MYC genes in human leukemic cells

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Publikace nespadá pod Pedagogickou fakultu, ale pod Fakultu informatiky. Oficiální stránka publikace je na webu muni.cz.
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BÁRTOVÁ Eva KOZUBEK Stanislav KOZUBEK Michal JIRSOVÁ Pavla LUKÁŠOVÁ Emilie SKALNÍKOVÁ Magdalena BUCHNÍČKOVÁ Kateřina

Rok publikování 2000
Druh Článek v odborném periodiku
Časopis / Zdroj Leukemia Research
Fakulta / Pracoviště MU

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Citace
www abstract
Obor Biofyzika
Klíčová slova cell cycle; differentiation
Popis abl and bcr genes play an important role in the diagnostics of chronic myelogenous leukemia (CML). The translocation of these genes results in an abnormal chromosome 22 called the Philadelphia chromosome (Ph). The chimeric bcr-abl gene is a fundamental phenomenon in the pathogenesis of CML. Malignant transformation of hematopoietic cells is also accompanied by the c-myc gene changes (translocation, amplification). Nuclear topology of the abl, bcr and c-myc genes was determined in differentiated as well as in irradiated HL-60 cells using dual-color fluorescence in situ hybridisation and image analysis by means of a high resolution cytometer. After the induction of the granulocytic differentiation of HL-60 cells with all trans retinoic acid (ATRA) or dimethylsulfoxide (DMSO), the abl and bcr homologous genes were repositioned closer to the nuclear periphery and the average distances between homologous abl-abl and bcr-bcr genes as well as between heterologous abl-bcr genes were elongated.
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