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 language | English |
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Pages (from-to) | 1456-1458 |
Number of pages | 3 |
Journal | Leukemia |
Volume | 10 |
Issue number | 9 |
State | Published - 09 1996 |
Externally published | Yes |
Keywords
- Adult acute lymphoblasiic leukemia
- B lineage immunophenotype
- TEL-AML1 fusion
- t(12;21)(p12-13;q22)