Article
Trisomy 21 is a recurrent secondary aberration in childhood acute lymphoblastic leukemia withTEL/AML1 gene fusion
1 Mar 1999
Abstract excerpt
TEL/AML1 gene fusion is the most frequent genetic lesion in pediatric acute lymphoblastic leukemia (ALL). It occurs as a consequence of the cryptic chromosomal translocation t(12;21)(p13;q22). In a cohort of 50 RT-PCR-positive TEL/AML1 patients, karyotype examination by GTG banding and fluorescence in situ hybridization (FISH) allowed us to identify chromosome anomalies in addition to the already existing...
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