Discovery and Characterization of Clinical Candidate LXE408 as a Kinetoplastid-Selective Proteasome Inhibitor for the Treatment of Leishmaniases
作者:Advait Nagle、Agnes Biggart、Celine Be、Honnappa Srinivas、Andreas Hein、Diana Caridha、Richard J. Sciotti、Brandon Pybus、Mara Kreishman-Deitrick、Badry Bursulaya、Yin H. Lai、Mu-Yun Gao、Fang Liang、Casey J. N. Mathison、Xiaodong Liu、Vince Yeh、Jeffrey Smith、Isabelle Lerario、Yongping Xie、Donatella Chianelli、Michael Gibney、Ashley Berman、Yen-Liang Chen、Jan Jiricek、Lauren C. Davis、Xianzhong Liu、Jaime Ballard、Shilpi Khare、Fabian Kurt Eggimann、Alexandre Luneau、Todd Groessl、Michael Shapiro、Wendy Richmond、Kevin Johnson、Patrick J. Rudewicz、Srinivasa P. S. Rao、Christopher Thompson、Tove Tuntland、Glen Spraggon、Richard J. Glynne、Frantisek Supek、Christian Wiesmann、Valentina Molteni
DOI:10.1021/acs.jmedchem.0c00499
日期:2020.10.8
endemic regions. Previously, we reported the discovery of GNF6702, a selective inhibitor of the kinetoplastid proteasome, which cleared parasites in murine models of leishmaniasis, Chagas disease, and human African trypanosomiasis. Here, we describe the discovery and characterization of LXE408, a structurally related kinetoplastid-selective proteasome inhibitor currently in Phase 1 human clinical trials
内脏利什曼病每年导致多达30,000例死亡。当前的治疗方法的缺点包括毒性和跨地方性地区的疗效不一。以前,我们报道了GNF6702的发现,该蛋白是运动质体蛋白酶体的选择性抑制剂,可以清除利什曼病,恰加斯病和人类非洲锥虫病的小鼠模型中的寄生虫。在这里,我们描述了LXE408的发现和表征,LXE408是一种结构相关的动素体选择性蛋白酶体抑制剂,目前在1期人体临床试验中。此外,我们提出了利什曼原虫的高分辨率冷冻EM结构 蛋白酶体与LXE408的复合物,为这种新型的动素体蛋白酶体抑制剂的非竞争性结合方式提供了令人信服的解释。