Aberrant microRNA expression pattern in myelodysplastic bone marrow cells

被引:46
|
作者
Hussein, Kais [1 ]
Theophile, Katharina [1 ]
Buesche, Guntram [1 ]
Schlegelberger, Brigitte [2 ]
Goehring, Gudrun [2 ]
Kreipe, Hans [1 ]
Bock, Oliver [1 ]
机构
[1] Hannover Med Sch, Inst Pathol, D-30625 Hannover, Germany
[2] Hannover Med Sch, Inst Cell & Mol Pathol, D-3000 Hannover, Germany
关键词
microRNA; Expression profile; Myelodysplastic syndrome; MDS; del(5q); -7; +8; Bone marrow cells; ACUTE MYELOID-LEUKEMIA; DELETED REGION; GENE; IDENTIFICATION;
D O I
10.1016/j.leukres.2010.04.012
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The microRNA/miR system might contribute to deregulation of cell homeostasis/disease phenotype. This is the first approach to generate an expression profile of 365 microRNAs in myelodysplastic syndromes (MDS) with normal karyotype (n = 12) and distinct cytogenetic aberrations (n = 12). In MDS-del(5q), a series of microRNAs not in the 5q-region was increased. MicroRNAs encoded on chromosomes 5, 7 and 8 were not differentially expressed in MDS with del(5q), -7 or +8. Evaluation in a larger cohort could confirm the up-regulation of the miR-1 in MDS. These findings provide evidence that MDS-haematopoiesis is distinct in its microRNA-expression pattern from non-neoplastic cells. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1169 / 1174
页数:6
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