MicroRNAs and B cell receptor signaling in chronic lymphocytic leukemia.

MicroRNAs and B cell receptor signaling in chronic lymphocytic leukemia.
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DOI:
10.3109/10428194.2013.796055
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发表时间:
2013-08
影响因子:
2.6
通讯作者:
Kipps TJ
Kipps TJ
中科院分区:
医学4区
文献类型:
--
作者:
Mraz M;Kipps TJ

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某些microRNAs(MiRNAs)的相对表达水平与慢性淋巴细胞白血病(CLL)的已知预后标志物有关,如白血病细胞表达70 kDa的Zeta相关蛋白(ZAP-70)、使用未突变的免疫球蛋白重链可变区基因(IGHV)、染色体异常或P53功能异常。在这里,我们综述了一些证据表明某些miRNAs(例如miR-155、miR-17-92、miR-181、miR-29)可以调节CLL细胞的激活表型和/或CLL细胞表达的表面免疫球蛋白(Sig)B细胞受体(BCR)复合体的适合性,从而解释了这些miRNAs在不同的CLL预后亚群中的差异表达。这些miRNA如何通过关键信号分子(如Lyn、Syk、BTK、SHIP-1、SHP1)的转录后调控影响细胞激活和/或BCR信号转导是当前研究的一个主题。
The relative expression levels of certain microRNAs (miRNAs) correlate with known prognostic markers in chronic lymphocytic leukemia (CLL), such as leukemia-cell expression of zeta-associated protein of 70 kDa (ZAP-70), use of unmutated immunoglobulin heavy-chain variable region genes (IGHV), chromosomal abnormalities or dysfunctional p53. Here we review studies that provide evidence suggesting that certain miRNAs (e.g. miR-155, miR-17-92, miR-181, miR-29) can regulate the activated phenotype of CLL cells and/or fitness of the surface-immunoglobulin (sIg) B cell receptor (BCR) complex expressed by CLL cells, thereby accounting for the differential leukemia-cell expression of these miRNAs in different CLL prognostic subgroups. How these miRNAs influence cellular activation and/or BCR signaling through the post-transcriptional regulation of critical signaling molecules (e.g. Lyn, Syk, BTK, SHIP-1, SHP1) is a topic of current research.
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