Novel non-covalent LSD1 inhibitors endowed with anticancer effects in leukemia and solid tumor cellular models
作者:Martina Menna、Francesco Fiorentino、Biagina Marrocco、Alessia Lucidi、Stefano Tomassi、Domenica Cilli、Mauro Romanenghi、Matteo Cassandri、Silvia Pomella、Michele Pezzella、Donatella Del Bufalo、Mohammad Salik Zeya Ansari、Nevena Tomašević、Milan Mladenović、Monica Viviano、Gianluca Sbardella、Rossella Rota、Daniela Trisciuoglio、Saverio Minucci、Andrea Mattevi、Dante Rotili、Antonello Mai
DOI:10.1016/j.ejmech.2022.114410
日期:2022.7
LSD1 is a histone lysine demethylase proposed as therapeutic target in cancer. Chemical modifications applied at C2, C4 and/or C7 positions of the quinazoline core of the previously reported dual LSD1/G9a inhibitor 1 led to a series of non-covalent, highly active, and selective LSD1 inhibitors (2–4 and 6–30) and to the dual LSD1/G9a inhibitor 5 that was more potent than 1 against LSD1. In THP-1 and
LSD1 是一种组蛋白赖氨酸去甲基化酶,被提议作为癌症的治疗靶点。在先前报道的双 LSD1/G9a 抑制剂1的喹唑啉核心的 C2、C4 和/或 C7 位置应用化学修饰导致一系列非共价、高活性和选择性LSD1抑制剂(2-4和6-30 ) 以及对 LSD1比1更有效的双重 LSD1/G9a 抑制剂5。在 THP-1 和MV4-11白血病细胞中,最有效的化合物(7、8和29) 在非癌 AHH-1 细胞中显示出亚微摩尔水平的抗增殖作用,在 1 μM 时没有显着毒性。在 MV4-11 细胞中,新衍生物增加了 LSD1 组蛋白标记 H3K4me2 的水平,并诱导了被 LSD1 沉默的CD86基因的重新表达,从而证实了 LSD1 在细胞水平上的抑制作用。在乳腺 MDA-MB-231 以及横纹肌肉瘤 RD 和 RH30 细胞中,作为实体瘤的例子,相同的化合物在相同的 IC 50范围内表现出细胞生长停滞,突出了