Project information

Chronic myeloid leukemia radiation risk estimation based on BCR-ABL distances in hemotopoietic cells

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Project Identification
GA202/02/0804
Project Period
1/2002 - 12/2004
Investor / Pogramme / Project type
Czech Science Foundation
MU Faculty or unit
Faculty of Informatics
Cooperating Organization
Institute of Biophysics

Our goal is to produce scientifically credible estimates of radiation-induced chronic myeloid leukemia (CML) risk. Ionizing radiation is a well-studied carcinogen known to cause CML and CML is well-undestood, homogenous and prevalent. CML is known to be caused by a translocation between ABL and BCR;almost all CML patients have the BCR-ABL translocation and CML induction is unequivocally detected in epidemiological studies. Using 3D confocal microscopy we shall measure BCR-to-ABL distances in human hematopoietic stem cells supposed to be the target cells of BCR-ABL translocation. BCR-to-ABL distance shorter than 0.5 micrometer was found in 3% to 20 % of human lymphocytes. Since this figure is much higher than expected for independent loci, BCR and ABL appear to be spatially correlated in some cells. This correlation can increase the frequency of BCR-ABL translocation if present also in target progenitor cells. Data obtained in these cells will represent zero-dose data and will be relevant to CML r

Publications

Total number of publications: 10


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