Novel Non-Congeneric Derivatives of the Choline Kinase Alpha Inhibitor ICL-CCIC-0019.

Novel Non-Congeneric Derivatives of the Choline Kinase Alpha Inhibitor ICL-CCIC-0019.
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DOI:
10.3390/pharmaceutics13071078
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发表时间:
2021-07-14
期刊:
影响因子:
5.4
通讯作者:
Aboagye EO
Aboagye EO
中科院分区:
医学2区
文献类型:
--
作者:
Wang N;Brickute D;Braga M;Barnes C;Lu H;Allott L;Aboagye EO

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胆碱激酶α(CHKA)是癌症治疗剂开发的有希望的靶标。我们以前曾报道ICL-CCIC-0019,一种有效的CHKA抑制剂,具有高细胞活性,但具有一些不利的药理学特性。在这项工作中,我们提出了一个活性类似物ICL-CCIC-0019轴承哌嗪手柄(CK 146),以促进进一步的结构阐述的药效团,从而改善生物学特性。在本研究中评价了两种不同的策略:(1)前药方法,通过掺入ε-(Ac)Lys基序(可通过肿瘤细胞中组蛋白脱乙酰酶(HDAC)和组织蛋白酶L(CTSL)水平升高裂解)调节CK 146的活性,实现选择性CHKA抑制;(2)前列腺特异性膜抗原(PSMA)受体靶向递送策略。成功合成了前药(CK 145)和PSMA靶向(CK 147)衍生物,并进行了体外评价。虽然在这两种策略中对CK 146的利用没有达到预期的结果,但观察到并报道了重要的和信息丰富的结构-活性关系。
Choline kinase alpha (CHKA) is a promising target for the development of cancer therapeutics. We have previously reported ICL-CCIC-0019, a potent CHKA inhibitor with high cellular activity but with some unfavorable pharmacological properties. In this work, we present an active analogue of ICL-CCIC-0019 bearing a piperazine handle (CK146) to facilitate further structural elaboration of the pharmacophore and thus improve the biological profile. Two different strategies were evaluated in this study: (1) a prodrug approach whereby selective CHKA inhibition could be achieved through modulating the activity of CK146, via the incorporation of an ε-(Ac) Lys motif, cleavable by elevated levels of histone deacetylase (HDAC) and cathepsin L (CTSL) in tumour cells; (2) a prostate-specific membrane antigen (PSMA) receptor targeted delivery strategy. Prodrug (CK145) and PSMA-targeted (CK147) derivatives were successfully synthesized and evaluated in vitro. While the exploitation of CK146 in those two strategies did not deliver the expected results, important and informative structure-activity relationships were observed and have been reported.
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