FLOW CYTOMETRIC AND MOLECULAR ANALYSIS OF PROLIFERATIVE ACTIVITY AND DNA CONTENT IN NEUROBLASTOMA - PRESENCE OF STATIONARY CELLS IN S-PHASE

被引:0
|
作者
DOMINICI, C
NEGRONI, A
ROMEO, A
MCDOWELL, H
PADULA, A
PUCCI, S
CAPPELLI, C
CASTELLO, MA
RASCHELLA, G
机构
[1] INST GUSTAVE ROUSSY,CLIN & MOLEC PHARMACOL LAB,F-94805 VILLEJUIF,FRANCE
[2] ENTE NATL ENERGIA ATOM CASACCIA,CTR RIC ENERGIA,DIV MOLEC BIOL,I-00060 ROME,ITALY
关键词
NEUROBLASTOMA; CYTOKINETICS; DNA CONTENT; N-MYC; HISTONE-H3;
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Twenty-nine previously untreated neuroblastomas were analyzed for DNA content and percentage of cells in S-phase, both determined by flow cytometry, and N-myc oncogene copy number. Twelve of them were also tested for histone H3 transcript levels as a marker of actual proliferative activity. A significantly higher S-phase fraction was associated with advanced stages of disease, unfavorable (i.e., near-diploid and near-tetraploid) DNA content, and N-myc amplification. The occurrence of six tumors with a remarkable (greater-than-or-equal-to 10%) S-phase fraction but lacking histone H3 transcripts suggests the presence of stationary S-phase cells in neuroblastoma.
引用
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页码:59 / 63
页数:5
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