Lack of TEL-AML 1 fusion transcript resulting from a cryptic t(12;21) in adult B lineage acute lymphoblastic leukemia in Taiwan

L. Y. Shih*, T. B. Chou, D. C. Liang, Y. S. Tzeng, J. E. Rubnitz, J. R. Downing, C. H. Pui

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

20 Scopus citations

Abstract

Cryptic t(12;21)(p12-13;q22) leading to TEL-AML1 fusion has recently been recognized as the most frequent genetic rearrangement in childhood acute lymphoblastic leukemia (ALL) in Western countries. More recently, we found a similar frequency of this abnormality in Chinese children with ALL in Taiwan. In this study, we assessed further the frequency of TEL-AML1 fusion as well as that of BCR-ABL in Chinese adults with ALL, using reverse transcriptase-polymerase chain reaction assays. Among the 81 cases with newly diagnosed B lineage ALL studied, none had the TEL-AML1 fusion whereas 30 had the BCR-ABL fusion. The lack of cases with the TEL-AML1 fusion together with the high frequency of BCR-ABL fusion could largely account for the poorer outcome of adult ALL as compared with childhood ALL.

Original languageEnglish
Pages (from-to)1456-1458
Number of pages3
JournalLeukemia
Volume10
Issue number9
StatePublished - 09 1996
Externally publishedYes

Keywords

  • Adult acute lymphoblasiic leukemia
  • B lineage immunophenotype
  • TEL-AML1 fusion
  • t(12;21)(p12-13;q22)

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