PMID: 7542907Jun 1, 1995Paper

Molecular analysis of a t(11;22) translocation junction in a case of Ewing's sarcoma

Genes, Chromosomes & Cancer
T BhagirathM C Yoshida

Abstract

Polymerase chain reaction (PCR)-directed sequence analysis was performed to characterize the genomic and cDNA breakpoint junctions of t(11;22) (q24;q12) translocation in a case of Ewing's sarcoma, in which the EWS gene located on chromosome 22 is rearranged with the FL11 gene located on chromosome 11. RNA-PCR revealed the novel chimeric product of EWS/FL11 gene on the derivative chromosome (der) 22, resulting from a probable fusion of EWS exon 7 to FL11 exon 9. Sequencing of the PCR-amplified genomic fragments of the fusion genes showed that the breakpoints on der(22) occurred in EWS intron 7 and, most probably, in FL11 intron 8. Those of the untranscribed counterpart on der(11) were located in the same FL11 intron and in EWS exon 11, with deletion of a considerable amount of sequences from both genes. These findings indicate asymmetric junction at the molecular level in the present t(11;22). None of the reported conserved sequences that mediate other cancer chromosome translocations was observed around the genomic junctions. Instead, a palindromic hexamer 5'-GCTAGC-3' was found to flank the breakpoints of both genes on der(22), which may have a functional significance in the genesis of the t(11;22).

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Citations

Jun 9, 2005·Hematology/oncology Clinics of North America·Igor Matushansky, Robert G Maki
Aug 2, 2005·Molecular and Cellular Biology·Christopher D PutnamRichard D Kolodner
Jan 29, 2002·Environmental and Molecular Mutagenesis·M WilliamsJ A Nicklas
Aug 15, 2003·Surgical Oncology Clinics of North America·Bogdan Czerniak
Apr 14, 2005·Seminars in Cancer Biology·Pierre Aman
Aug 29, 2012·Gene·Deborah S B S SilvaClarice S Alho
Apr 5, 2011·The Journal of Molecular Diagnostics : JMD·Gabriella GamberiMarco Alberghini
Aug 17, 1999·Seminars in Cancer Biology·P Aman
Jan 1, 2011·Journal of Pathogens·Atiqur RahmanChiraporn Ananchaipattana
Feb 19, 2002·Laboratory Investigation; a Journal of Technical Methods and Pathology·Gi-Jin KimJe G Chi
Aug 2, 2006·Archives of Pathology & Laboratory Medicine·Alexander LazarBogdan Czerniak

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