Control of autophagic cell death by caspase-10 in multiple myeloma.
Control of autophagic cell death by caspase-10 in multiple myeloma.
复制标题
Caspase-10 在多发性骨髓瘤中控制自噬细胞死亡。
DOI:
10.1016/j.ccr.2013.02.017
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发表时间:
2013-04-15
期刊:
影响因子:
50.3
通讯作者:
Staudt LM
中科院分区:
文献类型:
--
作者:
Lamy L;Ngo VN;Emre NC;Shaffer AL 3rd;Yang Y;Tian E;Nair V;Kruhlak MJ;Zingone A;Landgren O;Staudt LM
We performed a loss-of-function, RNA interference screen to define therapeutic targets in multiple myeloma, a genetically diverse plasma cell malignancy. Unexpectedly, we discovered that all myeloma lines require caspase-10 for survival, irrespective of their genetic abnormalities. The transcription factor IRF4 induces both caspase-10 and its associated protein cFLIPL in myeloma, generating a protease that does not induce apoptosis but rather blocks an autophagy-dependent cell death pathway. Caspase-10 inhibits autophagy by cleaving the BCL2-interacting protein BCLAF1, itself a strong inducer of autophagy that acts by displacing beclin-1 from BCL2. While myeloma cells require a basal level of autophagy for survival, caspase-10 tempers this response to avoid cell death. Drugs that disrupt this vital balance may have therapeutic potential in myeloma.
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影响因子:
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通讯作者:
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