Targeting IRAK1 as a therapeutic approach for myelodysplastic syndrome.
Targeting IRAK1 as a therapeutic approach for myelodysplastic syndrome.
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DOI:
10.1016/j.ccr.2013.05.006
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发表时间:
2013-07-08
期刊:
影响因子:
50.3
通讯作者:
Starczynowski DT
中科院分区:
文献类型:
--
作者:
Rhyasen GW;Bolanos L;Fang J;Jerez A;Wunderlich M;Rigolino C;Mathews L;Ferrer M;Southall N;Guha R;Keller J;Thomas C;Beverly LJ;Cortelezzi A;Oliva EN;Cuzzola M;Maciejewski JP;Mulloy JC;Starczynowski DT
Myelodysplastic Syndromes (MDS) arise from a defective hematopoietic stem/progenitor cell. Consequently, there is an urgent need to develop targeted therapies capable of eliminating the MDS-initiating clones. We identified that IRAK1, an immune modulating kinase, is overexpressed and hyperactivated in MDS. MDS clones treated with a small-molecule IRAK1 inhibitor (IRAK1/4-Inh) exhibited impaired expansion and increased apoptosis, which coincided with TRAF6/NF- κB inhibition. Suppression of IRAK1, either by RNAi or with IRAK1/4-Inh, is detrimental to MDS cells while sparing normal CD34+ cells. Based on an integrative gene expression analysis, we combined IRAK1 and BCL2 inhibitors and found that co-treatment more effectively eliminated MDS clones. In summary, these findings implicate IRAK1 as a drugable target in MDS.
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