Structure–Activity Relationship Study of Dexrazoxane Analogues Reveals ICRF-193 as the Most Potent Bisdioxopiperazine against Anthracycline Toxicity to Cardiomyocytes Due to Its Strong Topoisomerase IIβ Interactions
作者:Anna Jirkovská、Galina Karabanovich、Jan Kubeš、Veronika Skalická、Iuliia Melnikova、Jan Korábečný、Tomáš Kučera、Eduard Jirkovský、Lucie Nováková、Hana Bavlovič Piskáčková、Josef Škoda、Martin Štěrba、Caroline A. Austin、Tomáš Šimůnek、Jaroslav Roh
DOI:10.1021/acs.jmedchem.0c02157
日期:2021.4.8
interaction with TOP2B in cardiomyocytes, but was independent of their iron chelation ability. Very tight structure–activity relationships were demonstrated on stereoisomeric forms of 4,4′-(butane-2,3-diyl)bis(piperazine-2,6-dione). In contrast to its rac-form 12, meso-derivative 11 (ICRF-193) showed a favorable binding mode to topoisomerase II in silico, inhibited and depleted TOP2B in cardiomyocytes more efficiently
右雷佐生 (ICRF-187) 是唯一临床批准的抗蒽环类药物引起的心脏毒性的药物,其心脏保护活性传统上归因于其铁螯合代谢物。然而,最近的实验证据表明,右雷佐生抑制和/或消耗拓扑异构酶 IIβ (TOP2B) 可能具有心脏保护作用。因此,我们评估了一系列右雷佐生类似物,发现它们的心脏保护活性与其与心肌细胞中TOP2B的相互作用密切相关,但与其铁螯合能力无关。 4,4'-(丁烷-2,3-二基)双(哌嗪-2,6-二酮)的立体异构形式证明了非常紧密的结构-活性关系。与其外消旋形式12相比,内消旋衍生物11 (ICRF-193)在计算机模拟中显示出与拓扑异构酶 II 良好的结合模式,比右雷佐生更有效地抑制和耗尽心肌细胞中的 TOP2B,并显示出最高的心脏保护效率。重要的是,观察到的 ICRF-193 心脏保护作用不会干扰蒽环类药物的抗增殖活性。因此,本研究将 ICRF-193 确定为开发有效心脏保护剂的新先导化合物。
[DE] KONJUGATE 2,4-ETHANO- UND 2,4-PROPANO-ÜBERBRÜCKTER 3,6,9-TRIAZA-NONANSÄURE-<3>N, <6>N, <9,9>N-TETRAESSIGSÄURE- UND ENTSPRECHENDER PHOSPHORSÄUREMETHYLEN-DERIVATE UND DEREN ABKÖMMLINGE MIT BIOMOLEKÜLEN, VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG ZUR HERSTELLUNG<br/>[EN] CONJUGATES OF 2,4-ETHANO-BRIDGED AND 2,4-PROPANO-BRIDGED 3,6,9-TRIAZA-NONANOIC ACID, <3>N,<6>N,<9,9>N-TETRAETHANOIC ACID, AND CORRESPONDING PHOSPHORIC ACID METHYLENE DERIVATIVES AND THE SUBSTITUTION PRODUCTS THEREOF WITH BIOMOLECULES, METHODS FOR THE PRODUCTION THEREOF, AND THE USE OF THE SAME FOR PRODU<br/>[FR] CONJUGUES DE DERIVES DE 3,6,9-ACIDE TRIAZA - NONANIQUE-<3>N, <6>N,<9,9>N-ACIDE TETRAACETIQUE A PONTAGE 2,4-ETHANO ET 2,4-PROPANO ET DE DERIVES CORRESPONDANTS D'ACIDE PHOSPHORIQUE-METHYLENE, ET LEURS DERIVES AVEC DES BIOMOLECULES, PROCEDES DE PRODUCTION DESDITS CONJUGUES ET LEUR UTILISATION POUR LA
申请人:SCHERING AG
公开号:WO2004087656A1
公开(公告)日:2004-10-14
Die Erfindung betrifft Konjugate 2,4-Ethano- und 2,4-Propano- überbrückter 3,6,9-Triaza-nonansäure-N,N,N-tetraessigsäure- und entsprechender phosphorsäureestermethylen-Derivate der Formel (1) und deren Abkömmlinge mit Biomolekülen, Verfahren zu deren Herstellung und ihre Verwendung als Kontrastmittel in der NMR- und Radiodiagnostik sowie für die Radiotherapie, wohin die Substituenten wie in Anspruch 1 definiert sind.
该发明涉及配体2,4-乙烷和2,4-丙烷桥联的3,6,9-三氮杂-壬酸-N,N,N-四乙酸和相应的磷酸酯甲基衍生物的共轭物,其化学式为(1),以及它们与生物分子的衍生物,其制备方法以及它们作为核磁共振和放射诊断的造影剂以及用于放射治疗的用途,其中取代基如权利要求1所定义。
Novel quinoline-based metal chelators as antiviral agents
申请人:Rajagopalan Raghavan
公开号:US20060094755A1
公开(公告)日:2006-05-04
This invention relates to novel quinoline-based divalent metal ion chelating ligands of Formula I,
wherein A or B are independently —CR
7
R
8
, or —CH(R
9
)CH(R
10
). X is hydrogen, C
1
-C
10
alkyl; —OH, or —NR
11
R
12
. R
1
to R
12
are various substituents selected to optimize the physicochemical and biological properties such as enzyme binding, tissue penetration, lipophilicity, toxicity, bioavailability, and pharmacokinetics of compounds of Formula 13. R
1
to R
12
may include, but are not limited to hydrogen, alkyl, acyl, hydroxyl, hydroxyalkyl, substituted or unsubstituted aryl, amino, aminoalkyl, alkoxyl, aryloxyl, carboxyl, halogen, alkoxycarbonyl, cyano, and other suitable electron donating or electron withdrawing groups. The compounds of the present invention are useful for inhibiting the activity of viral enzymes responsible for the proliferation of human immunodeficiency virus (HIV).
该发明涉及一种新型喹啉基二价金属离子螯合配体,其化学式为I,其中A或B分别独立地为—CR7R8或—CH(R9)CH(R10)。X为氢、C1-C10烷基;—OH或—NR11R12。R1至R12为各种取代基,选定以优化化合物13的生理化学和生物学性质,如酶结合、组织渗透性、亲脂性、毒性、生物利用度和药代动力学。R1至R12可能包括但不限于氢、烷基、酰基、羟基、羟基烷基、取代或未取代芳基、氨基、氨基烷基、烷氧基、芳氧基、羧基、卤素、烷氧羰基、氰基和其他适当的电子给体或电子提取基团。本发明的化合物可用于抑制与人类免疫缺陷病毒(HIV)增殖相关的病毒酶的活性。
Investigation of Structure-Activity Relationships of Dexrazoxane Analogs Reveals Topoisomerase II<i>β</i>Interaction as a Prerequisite for Effective Protection against Anthracycline Cardiotoxicity
作者:Petra Kollárová-Brázdová、Anna Jirkovská、Galina Karabanovich、Zuzana Pokorná、Hana Bavlovič Piskáčková、Eduard Jirkovský、Jan Kubeš、Olga Lenčová-Popelová、Yvona Mazurová、Michaela Adamcová、Veronika Skalická、Petra Štěrbová-Kovaříková、Jaroslav Roh、Tomáš Šimůnek、Martin Štěrba
DOI:10.1124/jpet.119.264580
日期:2020.6
Bisdioxopiperazine agent dexrazoxane (ICRF-187) has been the only effective and approved drug for prevention of chronic anthracycline cardiotoxicity. However, the structure-activity relationships (SARs) of its cardioprotective effects remain obscure owing to limited investigation of its derivatives/analogs and uncertainties about its mechanism of action. To fill these knowledge gaps, we tested the
Bisdioxopiperazine药剂右雷佐生(ICRF-187)是唯一有效且获批准的预防慢性蒽环类药物心脏毒性的药物。然而,由于对其衍生物/类似物的研究有限以及对其作用机理的不确定性,其心脏保护作用的构效关系(SARs)仍然不清楚。为了填补这些知识空白,我们测试了在慢性蒽环类药物心脏毒性中右雷佐生衍生物通过金属螯合和/或调节拓扑异构酶IIβ(Top2B)活性发挥心脏保护作用的假设。右雷佐生在不干扰心脏保护作用的金属螯合机制的位置上被烷基化;即在二氧杂哌嗪酰亚胺上或直接在二氧杂哌嗪环上。在体外评估新生儿心肌细胞中这些药物的保护作用。发现所有研究的右雷佐生分子的修饰,包括简单的甲基化,都消除了心脏保护作用。因为这挑战了流行的机械学概念和先前报道的数据,所以两个最接近的衍生物[(±)-4,4'-(丙烷-1,2-二基)双(1-甲基哌嗪-2,6-二酮)和4- (2-(3,5-二氧杂哌嗪-1-基)乙基)-3-甲基哌嗪-2