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Tang Z, Lin F, Chen Z, Yu B, Liu JH, Liu X. 4'- O-MethylbavachalconeB Targeted 14-3-3ζ Blocking the Integrin β3 Early Outside-In Signal to Inhibit Platelet Aggregation and Thrombosis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7043-7054. [PMID: 38509000 DOI: 10.1021/acs.jafc.3c05211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
14-3-3ζ protein, the key target in the regulation and control of integrin β3 outside-in signaling, is an attractive new strategy to inhibit thrombosis without affecting hemostasis. In this study, 4'-O-methylbavachalconeB (4-O-MB) in Psoraleae Fructus was identified as a 14-3-3ζ ligand with antithrombosis activity by target fishing combined with ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS) analysis. The competitive inhibition analysis showed that 4-O-MB targeted 14-3-3ζ and blocked the 14-3-3ζ/integrin β3 interaction with inhibition constant (Ki) values of 9.98 ± 0.22 μM. Molecular docking and amino acid mutation experiments confirmed that 4-O-MB specifically bound to 14-3-3ζ through LSY9 and SER28 to regulate the 14-3-3ζ/integrin β3 interaction. Besides, 4-O-MB affected the integrin β3 early outside-in signal by inhibiting AKT and c-Src phosphorylation. Meanwhile, 4-O-MB could inhibit ADP-, collagen-, or thrombin-induced platelet aggregation function but had no effect on platelet adhesion to collagen-coated surfaces in vivo. Administration of 4-O-MB could significantly inhibit thrombosis formation without disturbing hemostasis in mice. These findings provide new prospects for the antithrombotic effects of Psoraleae Fructus and the potential application of 4-O-MB as lead compounds in the therapy of thrombosis by targeting 14-3-3ζ.
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Affiliation(s)
- Ziqi Tang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Fanqi Lin
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Zhiwen Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Boyang Yu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, P. R. China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Ji-Hua Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, P. R. China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Xiufeng Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, P. R. China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, P. R. China
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Xie X, Zhou Y, Tang Z, Yang X, Lian Q, Liu J, Yu B, Liu X. Mudanpioside C Discovered from Paeonia suffruticosa Andr. Acts as a Protein Disulfide Isomerase Inhibitor with Antithrombotic Activities. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6265-6275. [PMID: 38487839 DOI: 10.1021/acs.jafc.3c08380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Paeonia suffruticosa Andr. is a well-known landscape plant worldwide and also holds significant importance in China due to its medicinal and dietary properties. Previous studies have found that Cortex Moutan (CM), the dried root bark of P. suffruticosa, showed antiplatelet and cardioprotective effects, although the underlying mechanism and active compounds remain to be revealed. In this study, protein disulfide isomerase (PDI) inhibitors in CM were identified using a ligand-fishing method combined with the UHPLC-Q-TOF-MS assay. Further, their binding sites and inhibitory activities toward PDI were validated. The antiplatelet aggregation and antithrombotic activity were investigated. The results showed that two structurally similar compounds in CM were identified as the inhibitor for PDI with IC50 at 3.22 μM and 16.73 μM; among them Mudanpioside C (MC) is the most effective PDI inhibitor. Molecular docking, site-directed mutagenesis, and MST assay unequivocally demonstrated the specific binding of MC to the b'-x domain of PDI (Kd = 3.9 μM), acting as a potent PDI inhibitor by interacting with key amino acids K263, D292, and N298 within the b'-x domain. Meanwhile, MC could dose-dependently suppress collagen-induced platelet aggregation and interfere with platelet activation, adhesion, and spreading. Administration of MC can significantly inhibit thrombosis formation without disturbing hemostasis in mice. These findings present a promising perspective on the antithrombotic properties of CM and highlight the potential application of MC as lead compounds for targeting PDI in thrombosis therapy.
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Affiliation(s)
- Xingrong Xie
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Yatong Zhou
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Ziqi Tang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Xinping Yang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Qi Lian
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Jihua Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Boyang Yu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Xiufeng Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing 211198, People's Republic of China
- Research Center for Traceability and Standardization of TCMs, China Pharmaceutical University, Nanjing 211198, People's Republic of China
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David TI, Pestov NB, Korneenko TV, Barlev NA. Non-Immunoglobulin Synthetic Binding Proteins for Oncology. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:1232-1247. [PMID: 37770391 DOI: 10.1134/s0006297923090043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 09/30/2023]
Abstract
Extensive application of technologies like phage display in screening peptide and protein combinatorial libraries has not only facilitated creation of new recombinant antibodies but has also significantly enriched repertoire of the protein binders that have polypeptide scaffolds without homology to immunoglobulins. These innovative synthetic binding protein (SBP) platforms have grown in number and now encompass monobodies/adnectins, DARPins, lipocalins/anticalins, and a variety of miniproteins such as affibodies and knottins, among others. They serve as versatile modules for developing complex affinity tools that hold promise in both diagnostic and therapeutic settings. An optimal scaffold typically has low molecular weight, minimal immunogenicity, and demonstrates resistance against various challenging conditions, including proteolysis - making it potentially suitable for peroral administration. Retaining functionality under reducing intracellular milieu is also advantageous. However, paramount to its functionality is the scaffold's ability to tolerate mutations across numerous positions, allowing for the formation of a sufficiently large target binding region. This is achieved through the library construction, screening, and subsequent expression in an appropriate system. Scaffolds that exhibit high thermodynamic stability are especially coveted by the developers of new SBPs. These are steadily making their way into clinical settings, notably as antagonists of oncoproteins in signaling pathways. This review surveys the diverse landscape of SBPs, placing particular emphasis on the inhibitors targeting the oncoprotein KRAS, and highlights groundbreaking opportunities for SBPs in oncology.
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Affiliation(s)
- Temitope I David
- Institute of Biomedical Chemistry, Moscow, 119121, Russia
- Laboratory of Molecular Oncology, Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia
| | - Nikolay B Pestov
- Institute of Biomedical Chemistry, Moscow, 119121, Russia.
- Laboratory of Tick-Borne Encephalitis and Other Viral Encephalitides, Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, Moscow, 108819, Russia
- Group of Cross-Linking Enzymes, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, 117997, Russia
| | - Tatyana V Korneenko
- Group of Cross-Linking Enzymes, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, 117997, Russia
| | - Nikolai A Barlev
- Institute of Biomedical Chemistry, Moscow, 119121, Russia
- Laboratory of Tick-Borne Encephalitis and Other Viral Encephalitides, Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, Moscow, 108819, Russia
- Institute of Cytology Russian Academy of Sciences, St.-Petersburg, 194064, Russia
- School of Medicine, Nazarbayev University, Astana, 010000, Kazakhstan
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Xie Z, Meng Z, Yang X, Duan Y, Wang Q, Liao C. Factor XIa Inhibitors in Anticoagulation Therapy: Recent Advances and Perspectives. J Med Chem 2023; 66:5332-5363. [PMID: 37037122 DOI: 10.1021/acs.jmedchem.2c02130] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
Factor XIa (FXIa) in the intrinsic pathway of the coagulation process has been proven to be an effective and safe target for anticoagulant discovery with limited or no bleeding. Numerous small-molecule FXIa inhibitors (SMFIs) with various scaffolds have been identified in the early stages of drug discovery. They have served as the foundation for the recent discovery of additional promising SMFIs with improved potency, selectivity, and pharmacokinetic profiles, some of which have entered clinical trials for the treatment of thrombosis. After reviewing the coagulation process and structure of FXIa, this perspective discusses the rational or structure-based design, discovery, structure-activity relationships, and development of SMFIs disclosed in recent years. Strategies for identifying more selective and druggable SMFIs are provided, paving the way for the design and discovery of more useful SMFIs for anticoagulation therapy.
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Affiliation(s)
- Zhouling Xie
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Zhiwei Meng
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Xiaoxiao Yang
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Yajun Duan
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Qin Wang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, P. R. China
| | - Chenzhong Liao
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
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A Factor XIa Inhibitor Engineered from Banded Krait Venom Toxin: Efficacy and Safety in Rodent Models of Arterial and Venous Thrombosis. Biomedicines 2022; 10:biomedicines10071679. [PMID: 35884984 PMCID: PMC9312835 DOI: 10.3390/biomedicines10071679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 12/04/2022] Open
Abstract
Activated factor XI (FXIa) is an important antithrombotic drug target. Clinical and pre-clinical data have demonstrated that its inhibition attenuates thrombosis with minimal risk of excessive bleeding. We isolated Fasxiator from the venom of banded krait Bungarus fasciatus and subsequently engineered FasxiatorN17R,L19E, with improved affinity (Ki = 0.9 nM) and selectivity towards FXIa. Here, we assess the in vivo efficacy and bleeding risk of rFasxiatorN17R, L19E in pre-clinical animal models. Rats injected intravenously (i.v.) with bolus rFasxiatorN17R, L19E showed the specific in vivo attenuation of the intrinsic coagulation pathway, lasting for at least 60 min. We performed the in vivo dose-ranging experiments for rFasxiatorN17R, L19E as follows: FeCl3-induced carotid artery occlusion in rats (arterial thrombosis); inferior vena cava ligation in mice (venous thrombosis); tail bleeding time in both rats and mice (bleeding risk). Head-to-head comparisons were made using therapeutic dosages of unfractionated heparin (UFH) and low-molecular-weight heparin (LMWH) for arterial and venous thrombosis, respectively. In the arterial thrombosis model, 2 mg/kg i.v. rFasxiatorN17R,L19E achieved a similar antithrombotic efficacy to that of UFH, with >3-fold lower bleeding time. In the venous thrombosis model, the 10 mg/kg subcutaneous (s.c.) injection of rFasxiatorN17R,L19E achieved similar efficacy and bleeding levels to those of LMWH enoxaparin. Overall, rFasxiatorN17R,L19E represents a promising molecule for the development of FXIa-targeting anticoagulants.
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Low Drug Loading Hampers the Clinical Translation of Peptide Drugs-Containing Metered-Dose Inhalers. Pharmaceuticals (Basel) 2022; 15:ph15040389. [PMID: 35455386 PMCID: PMC9031202 DOI: 10.3390/ph15040389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/16/2022] [Accepted: 03/18/2022] [Indexed: 12/10/2022] Open
Abstract
Peptide-based drugs have attracted extensive attention from the medical and pharmaceutical industry because of their relatively high safety and efficacy. However, most of the peptide drugs approved are administrated by injection, which can easily cause poor patient compliance. In this circumstance, pulmonary administration as an alternative to injection administration can not only avoid the above issue but also accelerate the absorption rate of peptide drugs and improve bioavailability. Among the pulmonary delivery systems available on the market, metered-dose inhalers (MDIs) have emerged as appealing candidates for pulmonary delivery systems with clinical translational value, owing to their many merits, including portable, easy-to-operate, and cost-effective properties. Nevertheless, the industrialization of peptide drugs-containing MDIs encounters a bottleneck of low drug loading, owing to the incompatibility between the propellant and the peptide drugs, which cannot be effectively overcome by the current carrier particle encapsulation strategy. Herein, we put forward the following strategies: (1) To screen amphiphilic materials with high surface activity and strong interaction with peptide drugs; (2) To construct a chemical connection between peptide drugs and amphiphilic substances; (3) To optimize the cosolvent for dispersing peptide drugs. We suppose these strategies have the potential to defeat the bottleneck problem and provide a new idea for the industrialization of peptide drugs-containing MDIs.
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WPK5, a Novel Kunitz-Type Peptide from the Leech Whitmania pigra Inhibiting Factor XIa, and Its Loop-Replaced Mutant to Improve Potency. Biomedicines 2021; 9:biomedicines9121745. [PMID: 34944561 PMCID: PMC8698482 DOI: 10.3390/biomedicines9121745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 12/24/2022] Open
Abstract
Kunitz-type proteins or peptides have been found in many blood-sucking animals, but the identity of them in leeches remained elusive. In the present study, five Kunitz-type peptides named WPK1-WPK5 were identified from the leech Whitmania pigra. Recombinant WPK1-WPK5 were expressed in Pichia pastoris GS115, and their inhibitory activity against Factor XIa (FXIa) was tested. WPK5 showed inhibitory activity against FXIa with an IC50 value of 978.20 nM. To improve its potency, the loop replacement strategy was used. The loop 1 (TGPCRSNLER) and loop 2 (QYGGC) in WPK5 were replaced by loop 1 (TGPCRAMISR) and loop 2 (FYGGC) in PN2KPI, respectively, and the resulting peptide named WPK5-Mut showed an IC50 value of 8.34 nM to FXIa, which is about 100-fold the potency of FXIa compared to that of WPK5. WPK5-Mut was further evaluated for its extensive bioactivity in vitro and in vivo. It dose-dependently prolonged APTT on both murine plasma and human plasma, and potently inhibited FeCl3-induced carotid artery thrombosis in mice at a dose of 1.5 mg/kg. Additionally, WPK5-Mut did not show significant bleeding risk at a dose of 6 mg/kg. Together, these results showed that WPK5-Mut is a promising candidate for the development of an antithrombotic drug.
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