A potent and selective inhibitor of KIAA1363/AADACL1 that impairs prostate cancer pathogenesis.

A potent and selective inhibitor of KIAA1363/AADACL1 that impairs prostate cancer pathogenesis.
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DOI:
10.1016/j.chembiol.2011.02.008
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发表时间:
2011-04-22
影响因子:
--
通讯作者:
Cravatt BF
Cravatt BF
中科院分区:
生物1区
文献类型:
--
作者:
Chang JW;Nomura DK;Cravatt BF

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癌细胞显示支持恶性肿瘤和疾病进展的代谢改变。这些代谢变化中最突出的是中性醚脂质(NEL)升高。我们先前已经表明水解酶KIAA 1363(或AADACL 1)在侵袭性癌细胞中高度升高,其中它在产生单烷基甘油醚(法师)类NEL中起关键作用。在这里,我们使用基于活性的蛋白质分析指导药物化学来发现KIAA 1363的高效和选择性抑制剂,氨基甲酸酯JW 480。我们发现,JW 480和靶向KIAA 1363的shRNA探针减少MAGE并损害人前列腺癌细胞系的迁移、侵袭、存活和体内肿瘤生长。这些发现表明,KIAA 1363-法师途径是重要的前列腺癌的发病机制,并指定JW 480作为一个通用的药理学探针,破坏这种促肿瘤代谢途径。
Cancer cells show alterations in metabolism that support malignancy and disease progression. Prominent among these metabolic changes is elevations in neutral ether lipids (NELs). We have previously shown that the hydrolytic enzyme KIAA1363 (or AADACL1) is highly elevated in aggressive cancer cells, where it plays a key role in generating the monoalkylglycerol ether (MAGE) class of NELs. Here, we use activity-based protein profiling-guided medicinal chemistry to discover a highly potent and selective inhibitor of KIAA1363, the carbamate JW480. We show that JW480, and an shRNA probe that targets KIAA1363, reduce MAGEs and impair the migration, invasion, survival, and in vivo tumor growth of human prostate cancer cell lines. These findings indicate that the KIAA1363-MAGE pathway is important for prostate cancer pathogenesis and designate JW480 as a versatile pharmacological probe for disrupting this pro-tumorigenic metabolic pathway.
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