Lee Juhoon, Guo Hou-Fu, Wang Shike, Maghsoud Yazdan, Vázquez-Montelongo Erik Antonio, Jing Zhifeng, Sammons Rae M, Cho Eun Jeong, Ren Pengyu, Cisneros G Andrés, Kurie Jonathan M, Dalby Kevin N
Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, University of Texas at Austin, Austin, Texas 78712, United States.
Targeted Therapeutic Drug Discovery and Development Program, College of Pharmacy, University of Texas, Austin, Texas 78712, United States.
ACS Med Chem Lett. 2023 Sep 22;14(10):1396-1403. doi: 10.1021/acsmedchemlett.3c00305. eCollection 2023 Oct 12.
Lysyl hydroxylase 2 (LH2) catalyzes the formation of highly stable hydroxylysine aldehyde-derived collagen cross-links (HLCCs), thus promoting lung cancer metastasis through its capacity to modulate specific types of collagen cross-links within the tumor stroma. Using and from our previous high-throughput screening (HTS) as lead probes, we prepared a series of 1,3-diketone analogues, -, and identified and that inhibit LH2 with IC's of approximately 300 and 500 nM, respectively. Compounds and demonstrate selectivity for LH2 over LH1 and LH3. Quantum mechanics/molecular mechanics (QM/MM) modeling indicates that the selectivity of and may stem from noncovalent interactions like hydrogen bonding between the morpholine/piperazine rings with the LH2-specific Arg661. Treatment of 344SQ WT cells with resulted in a dose-dependent reduction in their migration potential, whereas the compound did not impede the migration of the same cell line with an LH2 knockout (LH2KO).
赖氨酰羟化酶2(LH2)催化形成高度稳定的羟赖氨酸醛衍生的胶原交联(HLCCs),从而通过调节肿瘤基质内特定类型的胶原交联的能力促进肺癌转移。我们使用之前高通量筛选(HTS)得到的[具体物质1]和[具体物质2]作为先导探针,制备了一系列1,3 - 二酮类似物,[具体化合物1]、[具体化合物2],并鉴定出[具体化合物3]和[具体化合物4],它们对LH2的抑制常数(IC)分别约为300和500 nM。化合物[具体化合物3]和[具体化合物4]对LH2的选择性高于LH1和LH3。量子力学/分子力学(QM/MM)建模表明,[具体化合物3]和[具体化合物4]的选择性可能源于吗啉/哌嗪环与LH2特异性的Arg661之间的氢键等非共价相互作用。用[具体化合物3]处理344SQ野生型(WT)细胞导致其迁移潜能呈剂量依赖性降低,而该化合物并不阻碍同一细胞系的LH2基因敲除(LH2KO)细胞的迁移。