Diagnosis of DiGeorge and Williams syndromes using FISH analysis of peripheral blood smears

被引:12
作者
Novelli, A
Sabani, M
Caiola, A
Digilio, MC
Giannotti, A
Mingarelli, R
Novelli, G
Dallapiccola, B
机构
[1] Univ Roma Tor Vergata, Dept Biopathol & Diagnost Imaging, I-00133 Rome, Italy
[2] Mendel CSS Inst, Rome, Italy
[3] Bambino Gesu Hosp, Div Med Genet, Rome, Italy
关键词
FISH; chromosome microdeletion; DiGeorge syndrome; Williams-Beuren syndrome;
D O I
10.1006/mcpr.1999.0252
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
We describe the use of a FISH protocol for detecting chromosome microdeletions in peripheral blood smear leukocytes. This method has the advantage of a smaller sample requirement than classical metaphase chromosome analysis and the potential for analysis of a larger number of chromosome microdeletions using a routine blood smear. A selected series of 10 DiGeorge syndrome (DCS) and 12 Williams-Beuren syndrome (WBS) patients were correctly diagnosed by this method confirming results obtained by molecular cytogenetic metaphases. These results support effectiveness of interphase FISH analysis on peripheral blood smears as a focused, single-step method for the detection of chromosome microdeletions. (C) 1999 Academic Press.
引用
收藏
页码:303 / 307
页数:5
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