Abstract
Continuous leukemia–lymphoma cell lines are important research tools, in particular as starting material for the cloning of recurrent translocations. In 1998, we established the continuous leukemia cell line MUTZ-5 and its two simultaneous sister cell lines MUTZ-6 and MUTZ-7. The primary specimen was obtained from the peripheral blood of a 26-year-old man with B cell precursor acute lymphoblastic leukemia at relapse carrying a t(12;13). The immunoprofile of MUTZ-5 corresponds to that of a precursor B cell. The immunoglobulin heavy chain gene was found to be rearranged. Despite receptor expression, none of the cytokines examined enhanced proliferation; several cytokines had significant inhibitory effects. Giemsa-banding cytogenetics showed the following karyotype which was identical in all three sister cell lines: 45<2n>X, −Y, t(12;13)(p12;q13–14). The karyotype and DNA fingerprinting confirmed the malignant nature and the authenticity of the cell line, excluding cross-contamination with other cells. MUTZ-5 represents a new unique leukemia B cell line; its scientific significance lies in the t(12;13).
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Acknowledgements
We thank Dorothé Erz, Dr W Dirks and Dr C Uphoff for performing immunoglobulin rearrangement, DNA fingerprinting and viral/mycoplasmal analysis.
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Meyer, C., MacLeod, R., Quentmeier, H. et al. Establishment of the B cell precursor acute lymphoblastic leukemia cell line MUTZ-5 carrying a (12;13) translocation. Leukemia 15, 1471–1474 (2001). https://doi.org/10.1038/sj.leu.2402212
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DOI: https://doi.org/10.1038/sj.leu.2402212