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Identification of the TAF15-ZNF384 fusion gene in two new cases of acute lymphoblastic leukemia with a t(12;17)(p13;q12). 2011

Kaja Beate Nyquist, and Jim Thorsen, and Bernward Zeller, and Alf Haaland, and Gunhild Trøen, and Sverre Heim, and Francesca Micci
Section for Cancer Cytogenetics, Institute for Medical Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Norway. k.b.nyquist@medisin.uio.no

We report the clinical, cytogenetic, and molecular data of two patients diagnosed with acute lymphoblastic leukemia characterized by the rare translocation t(12;17)(p13;q12). This translocation has been reported in 25 cases and its putative molecular consequence, the formation of a TAF15-ZNF384 fusion gene, in only six cases. We used fluorescence in situ hybridization followed by long-range polymerase chain reaction to find the translocation breakpoints. A fusion between TAF15 and ZNF384 was identified and confirmed by nucleotide sequencing. Our results confirm that the t(12;17)(p13;q12) leading to a TAF15-ZNF384 fusion gene characterizes a specific subgroup of acute lymphoblastic leukemia and suggest that two different breakpoints in TAF15 may be involved. Whether the two variants of the TAF15-ZNF384 fusion that these correspond to are in any way hematologically or prognostically different, is unknown.

UI MeSH Term Description Entries
D008297 Male Males
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D002881 Chromosomes, Human, Pair 12 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 12
D002886 Chromosomes, Human, Pair 17 A specific pair of GROUP E CHROMOSOMES of the human chromosome classification. Chromosome 17
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014178 Translocation, Genetic A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off portion to another location, often to a different chromosome. Chromosomal Translocation,Translocation, Chromosomal,Chromosomal Translocations,Genetic Translocation,Genetic Translocations,Translocations, Chromosomal,Translocations, Genetic
D015514 Oncogene Proteins, Fusion The GENETIC TRANSLATION products of the fusion between an ONCOGENE and another gene. The latter may be of viral or cellular origin. Chimeric Oncogene Proteins,Chimeric Proteins, Oncogene,Fusion Proteins, Oncogene,Oncogene Fusion Proteins,Oncogene Proteins, Chimeric,Fusion Oncogene Proteins,Oncogene Chimeric Proteins,Proteins, Chimeric Oncogene,Proteins, Fusion Oncogene,Proteins, Oncogene Chimeric,Proteins, Oncogene Fusion
D015534 Trans-Activators Diffusible gene products that act on homologous or heterologous molecules of viral or cellular DNA to regulate the expression of proteins. Nuclear Trans-Acting Factor,Trans-Acting Factors,Trans-Acting Factor,Trans-Activator,Transactivator,Transactivators,Factor, Nuclear Trans-Acting,Factor, Trans-Acting,Factors, Trans-Acting,Nuclear Trans Acting Factor,Trans Acting Factor,Trans Acting Factors,Trans Activator,Trans Activators,Trans-Acting Factor, Nuclear

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