1
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Ren Y, Li C, Zhang Y. Preclinical Study on a Novel Fluoroderivative of Dabigatran Etexilate in Animal Models. J Cardiovasc Pharmacol 2024; 83:55-63. [PMID: 37830839 DOI: 10.1097/fjc.0000000000001493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/25/2023] [Indexed: 10/14/2023]
Abstract
ABSTRACT Here, the fluorinated derivative, R1, was synthesized from the fluorinated dabigatran derivative (R0). The in vivo pharmacokinetic characteristics of orally administered R1, R0 injection, and dabigatran etexilate in rats were compared. Safety evaluation results showed no significant changes in the QRS wave or PR and QT intervals in rat lead II electrocardiograms. The possible toxicity of R1 was studied using the limit test method, and no obvious toxicity occurred in mice after the acute oral administration of R1. R1 inhibited thrombin-induced platelet aggregation in a dose-dependent manner, had an inhibitory effect on platelet aggregation induced by arachidonic acid and adenosine diphosphate, could significantly prolong prothrombin time and activated partial thromboplastin time, and increased fibrinogen levels. R1 is the optimal candidate compound from among more than 100 candidate compounds designed and synthesized by our research group. It was first selected through preliminary in vitro anticoagulant activity screening and further through in vivo mouse activity testing. A systematic pharmacodynamic study showed that R1 was superior to the raw material drug dabigatran ester; particularly, the absolute bioavailability of R1 increased by 206%, and this can overcome the low bioavailability defect associated with the marketed drug dabigatran ester. Another safety assessment of R1 indicated that there were no risks of acute poisoning in rats and cardiac toxicity in mice or rats. Therefore, R1 can be considered a new candidate anticoagulant compound with great potential and significance for further clinical research.
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Affiliation(s)
- Yujie Ren
- Green and Intelligent Pharmaceutical College, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, Zhejiang Province, China; and
| | - Chunlei Li
- Department of Pharmaceutical Engineering, Shanghai Pharmaceutical School, Shanghai, China
| | - Yujia Zhang
- Green and Intelligent Pharmaceutical College, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, Zhejiang Province, China; and
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2
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Chalkappa PKB, Aralihalli S, Sudileti M, Aithal SJ, Praveen BM, Birjadar K. The medicinal panorama of benzimidazoles and their scaffolds as anticancer and antithrombotic agents: A review. Arch Pharm (Weinheim) 2023; 356:e2300206. [PMID: 37440107 DOI: 10.1002/ardp.202300206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/18/2023] [Accepted: 06/19/2023] [Indexed: 07/14/2023]
Abstract
Nitrogen-containing heterocyclic scaffolds have become a prospective pharmacophore with therapeutic importance due to their biological similarities with natural and synthetic drugs. Among all nitrogen heterocyclic compounds, benzimidazoles and their derivatives are privileged molecules structurally akin to naturally available nucleotides, enabling them to intercommunicate with numerous biopolymers in biological systems. This reason enlightens modern researchers worldwide to assess their potential significance in the context of synthetic and biological chemistry. Therefore, it is crucial to merge the latest data with the prior documentation to apprehend the ongoing situation of the benzimidazole moiety in various therapeutic zones of research. The current work displays that the benzimidazole center is a versatile nucleus that offers the necessary data of synthetic alterations for pre-existing compounds to provide new scaffolds to resist numerous therapeutic sectors, including those associated with anticancer and antithrombosis. Due to the potential significance of benzimidazoles, this review aims to emphasize the latest innovations in synthesizing several other notable benzimidazole substrates and their significant pharmacological prospects for the future, including anticancer and antithrombosis.
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Affiliation(s)
| | - Sudhakara Aralihalli
- Department of Chemistry, RajaRajeswari College of Engineering, Banglore, Karnataka, India
| | - Murali Sudileti
- Department of Chemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | | | | | - Kedarnath Birjadar
- Department of Chemistry, Srinivas University, Mangaluru, Karnataka, India
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3
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Lei Y, Zhang B, Zhang Y, Dai X, Duan Y, Mao Q, Gao J, Yang Y, Bao Z, Fu X, Ping K, Yan C, Mou Y, Wang S. Design, synthesis and biological evaluation of novel FXIa inhibitors with 2-phenyl-1H-imidazole-5-carboxamide moiety as P1 fragment. Eur J Med Chem 2021; 220:113437. [PMID: 33894565 DOI: 10.1016/j.ejmech.2021.113437] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 03/05/2021] [Accepted: 03/30/2021] [Indexed: 12/17/2022]
Abstract
Factor XIa, as a blood coagulation enzyme, amplifies the generation of the last enzyme thrombin in the blood coagulation cascade. It was proved that direct inhibition of factor XIa could reduce pathologic thrombus formation without an enhanced risk of bleeding. WSJ-557, a nonpurine imidazole-based xanthine oxidase inhibitor in our previous reports, could delay blood coagulation during its animal experiments, which prompted us to investigate its action mechanism. Subsequently, during the exploration of the action mechanism, it was found that WSJ-557 exhibited weak in vitro factor XIa binding affinity. Under the guide of molecular modeling, we adopted molecular hybridization strategy to develop novel factor XIa inhibitors with WSJ-557 as an initial compound. This led to the identification of the most potent compound 44g with a Ki value of 0.009 μM, which was close to that of BMS-724296 (Ki = 0.0015 μM). Additionally, serine protease selectivity study indicated that compound 44g display a desired selectivity, more 400-fold than those of thrombin, factor VIIa and factor Xa in coagulation cascade. Moreover, enzyme kinetics studies suggested that the representative compound 44g acted as a competitive-type inhibitor for FXIa, and molecular modeling revealed that it could tightly bind to the S1, S1' and S2' pockets of factor XIa. Furthermore, in vivo efficacy in the rabbit arteriovenous shunt model suggested that compound 44g demonstrated dose-dependent antithrombotic efficacy. Therefore, these results supported that compound 44g could be a potential and efficacious agent for the treatment of thrombotic diseases.
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Affiliation(s)
- Yu Lei
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Bing Zhang
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Yan Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Xiwen Dai
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Yulin Duan
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Qing Mao
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Jun Gao
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Yuwei Yang
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Ziyang Bao
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Xuefeng Fu
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Kunqi Ping
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China
| | - Chengda Yan
- Department of Pharmacy, The First Hospital of China Medical University, 155 Nanjing North Street, Shenyang, 110001, Liaoning, China
| | - Yanhua Mou
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China.
| | - Shaojie Wang
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Culture Road, Shenhe District, Shenyang, 110016, China.
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4
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Synthesis of 4-(3-oxo-3-phenylpropyl)morpholin-4-ium chloride analogues and their inhibitory activities of nitric oxide production in lipopolysaccharide-induced BV2 cells. Bioorg Med Chem Lett 2021; 36:127780. [PMID: 33422605 DOI: 10.1016/j.bmcl.2021.127780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/16/2020] [Accepted: 01/03/2021] [Indexed: 12/30/2022]
Abstract
Based on our previous report that 3-morpholino-1-phenylpropan-1-one 2, one of the fluoxetine's simplified morpholino analogue, inhibited nitric oxide (NO) production, in this paper, various substituted benzene analogues with morpholine hydrochloride of 2 were synthesized and their inhibitory effects on NO production in lipopolysaccharide (LPS)-induced BV2 cells were tested. Among the synthesized compounds, 2-trifluoromethyl analogue 16n (IC50 = 8.6 μM) showed a significantly higher inhibitory activity than that of the parent compound 2a (IC50 > 50 μM) and suppressed NO production dose-dependently without cytotoxicity. Compound 16n also inhibited iNOS expression in LPS-induced BV2 cells at 2, 10 and 20 μM concentrations. These results suggest that compound 16n inhibited NO production by suppressing the expression of iNOS and can be used as a lead structure for developing new inhibitor of NO production.
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Sun ZG, Yang-Liu, Zhang JM, Cui SC, Zhang ZG, Zhu HL. The Research Progress of Direct Thrombin Inhibitors. Mini Rev Med Chem 2019; 20:1574-1585. [PMID: 31644402 DOI: 10.2174/1389557519666191015201125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 03/18/2019] [Accepted: 05/19/2019] [Indexed: 11/22/2022]
Abstract
Blood coagulation is the process of changing the blood from the flowing state to the gel state. It is an important part of the hemostatic function. Coagulation is a process by which a series of coagulation factors are sequentially activated, and finally thrombin is formed to form fibrin clot. Direct thrombin inhibitors are important anticoagulant drug. These drugs can selectively bind to the active site of thrombin, inhibit thrombin activity, have strong action and high specificity, and have important significance in the clinical treatment of thrombus diseases. Some of them come from natural products of animals or plants, and many of them have been applied in the clinic. The other part is derived from the design, synthesis and activity studies of small molecule inhibitors. This review discusses the progress of direct thrombin inhibitors in recent years.
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Affiliation(s)
- Zhi-Gang Sun
- Central Laboratory, Linyi Central Hospital, No.17 Jiankang Road, Linyi 276400, China,State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, No.163 Xianlin Road, Nanjing 210023, China
| | - Yang-Liu
- Central Laboratory, Linyi Central Hospital, No.17 Jiankang Road, Linyi 276400, China
| | - Jin-Mai Zhang
- Room 205, BIO-X white house, Shanghai Jiao Tong University, No.1954 Huashan Road, Shanghai 200030,China
| | - Shi-Chang Cui
- Central Laboratory, Linyi Central Hospital, No.17 Jiankang Road, Linyi 276400, China
| | - Zhi-Gang Zhang
- Department of Cardiovascular Medicine, Linyi Central Hospital, No.17 Jiankang Road, Linyi 276400, China
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, No.163 Xianlin Road, Nanjing 210023, China
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Xu Q, Dai B, Li Z, Xu L, Yang D, Gong P, Hou Y, Liu Y. Design, synthesis, and biological evaluation of 4-((6,7-dimethoxyquinoline-4-yl)oxy)aniline derivatives as FLT3 inhibitors for the treatment of acute myeloid leukemia. Bioorg Med Chem Lett 2019; 29:126630. [PMID: 31466809 DOI: 10.1016/j.bmcl.2019.126630] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 08/03/2019] [Accepted: 08/19/2019] [Indexed: 01/19/2023]
Abstract
FMS-like tyrosine kinase 3 (FLT3) was an important therapeutic target in acute myeloid leukemia (AML). We synthesized two series of 4-((6,7-dimethoxyquinoline-4-yl)oxy)aniline derivatives possessing the semicarbazide moiety and 2,2,2-trifluoro-N,N'-dimethylacetamide moiety as the linker. The cell proliferation assay in vitro against HL-60 and MV4-11 cell lines demonstrated that most series I compounds containing semicarbazide moiety had more potent than Cabozantinib. Furthermore, the enzyme assay showed that compound 12c and 12g were potent FLT3 inhibitors with IC50 values of 312 nM and 384 nM, respectively. Following that, molecular docking analysis was also performed to determine possible binding mode between FLT3 and the target compound.
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Affiliation(s)
- Qiaoling Xu
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Baozhu Dai
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Zhiwei Li
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Le Xu
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Di Yang
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Ping Gong
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Yunlei Hou
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China.
| | - Yajing Liu
- Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China.
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7
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Huang S, Ren Y, Peng X, Qian P, Meng L. Computer-aid drug design, synthesis, and anticoagulant activity evaluation of novel dabigatran derivatives as thrombin inhibitors. Eur J Pharm Sci 2019; 137:104965. [PMID: 31247296 DOI: 10.1016/j.ejps.2019.104965] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/03/2019] [Accepted: 06/20/2019] [Indexed: 12/11/2022]
Abstract
In this study, computer-aided drug design techniques were adopted to explore the structural and chemical features for dabigatran and design novel derivatives. The built 3D-QSAR models demonstrated significant statistical quality and excellent predictive ability by internal and external validation. Based on QSAR information, 11 novel dabigatran derivatives (12a-12k) were designed and predicted, then ADME prediction and molecular docking were performed. Furthermore, all designed compounds were synthesized and characterized by 1H NMR, 13C NMR and HR-MS. Finally, they were evaluated for anticoagulant activity in vitro. The activity results showed that the 10 obtained compounds exhibited comparable activity to the reference dabigatran (IC50 = 9.99 ± 1.48 nM), except for compound 12i. Further analysis on molecular docking was performed on three compounds (12a, 12c and 12g) with better activity (IC50 = 11.19 ± 1.70 nM, IC50 = 10.94 ± 1.85 nM and IC50 = 11.19 ± 1.70 nM). MD simulations (10 ns) were carried out, and their binding free energies were calculated, which showed strong hydrogen bond and pi-pi stacking interactions with key residues Gly219, Asp189 and Trp60D. The 10 novel dabigatran derivatives obtained can be further studied as anticoagulant candidate compounds.
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Affiliation(s)
- Shanshan Huang
- College of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China
| | - Yujie Ren
- College of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China.
| | - Xiuxiu Peng
- College of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China
| | - Pingping Qian
- College of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China
| | - Lingwei Meng
- College of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China
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