The MYB related loci, AMYB and BMYB, were localized to specific human chromosome regions by Southern blot analysis of their segregation patterns in a panel of rodent-human hybrid DNAs using radiolabeled AMYB and BMYB probes. The AMYB locus was present in hybrids retaining the chromosome region 8cen----8q22 and was absent in hybrids which had lost this chromosome region. The presence of the BMYB locus in rodent-human hybrids correlated with, and only with, chromosome region Xq13. Chromosomal in situ hybridization refined the localization of AMYB to region 8q22-23 and confirmed the localization of BMYB to region Xq13. Chromosome region 8q22 is involved in recurrent translocations in malignant lymphoma and in acute myeloid leukemia (AML-M2); therefore AMYB is a candidate for involvement in such translocations. A region on Xq13 is also involved in chromosomal abnormalities in acute myeloid leukemia and myelodysplasias.
Chromosome locations of the MYB related genes, AMYB and BMYB / Barletta, C; Druck, T; Laforgia, S; Calabretta, Bruno; Drabkin, H; Patterson, D; Croce, Cm; Huebner, K.. - In: CANCER RESEARCH. - ISSN 0008-5472. - STAMPA. - 51:(1991), pp. 3821-3824.
Chromosome locations of the MYB related genes, AMYB and BMYB.
CALABRETTA, Bruno;
1991
Abstract
The MYB related loci, AMYB and BMYB, were localized to specific human chromosome regions by Southern blot analysis of their segregation patterns in a panel of rodent-human hybrid DNAs using radiolabeled AMYB and BMYB probes. The AMYB locus was present in hybrids retaining the chromosome region 8cen----8q22 and was absent in hybrids which had lost this chromosome region. The presence of the BMYB locus in rodent-human hybrids correlated with, and only with, chromosome region Xq13. Chromosomal in situ hybridization refined the localization of AMYB to region 8q22-23 and confirmed the localization of BMYB to region Xq13. Chromosome region 8q22 is involved in recurrent translocations in malignant lymphoma and in acute myeloid leukemia (AML-M2); therefore AMYB is a candidate for involvement in such translocations. A region on Xq13 is also involved in chromosomal abnormalities in acute myeloid leukemia and myelodysplasias.
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