T(1221) - A NEW RECURRENT TRANSLOCATION IN ACUTE LYMPHOBLASTIC-LEUKEMIA

被引:197
作者
ROMANA, SP
LECONIAT, M
BERGER, R
机构
[1] INST GENET MOLEC,INSERM,U301,F-75010 PARIS,FRANCE
[2] INST GENET MOLEC,CNRS,SDI 159541,F-75010 PARIS,FRANCE
关键词
D O I
10.1002/gcc.2870090307
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
A t(12;21)(p11-p12;q22) was detected by chromosome painting in three patients with acute lymphoblastic leukemia (ALL) among eight ALL cases with 12p- abnormalities. The three leukemias had similar immunophenotypes (DR+, CD10+, CD19+). Fluorescence in situ hybridization (FISH) experiments using YAC clones from 21q21-q22 were performed to better localize the breakpoint on chromosome 21. This breakpoint was localized to 21q22.2 in one patient. Although only one case of ALL with t(12;21) has been reported previously, the present results suggest that ttl 2;2 1) is a recurrent translocation in ALL. (C) 1994 Wiley-Liss, Inc.
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页码:186 / 191
页数:6
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