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Rodrigo AP, Moutinho Cabral I, Alexandre A, Costa PM. Exploration of Toxins from a Marine Annelid: An Analysis of Phyllotoxins and Accompanying Bioactives. Animals (Basel) 2024; 14:635. [PMID: 38396603 PMCID: PMC10885894 DOI: 10.3390/ani14040635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/09/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Proteinaceous toxins are peptides or proteins that hold great biotechnological value, evidenced by their ecological role, whether as defense or predation mechanisms. Bioprospecting using bioinformatics and omics may render screening for novel bioactives more expeditious, especially considering the immense diversity of toxin-secreting marine organisms. Eulalia sp. (Annelida: Phyllodocidae), a toxin bearing marine annelid, was recently shown to secrete cysteine-rich protein (Crisp) toxins (hitherto referred to as 'phyllotoxins') that can immobilize its prey. By analyzing and validating transcriptomic data, we narrowed the list of isolated full coding sequences of transcripts of the most abundant toxins or accompanying bioactives secreted by the species (the phyllotoxin Crisp, hyaluronidase, serine protease, and peptidases M12A, M13, and M12B). Through homology matching with human proteins, the biotechnological potential of the marine annelid's toxins and related proteins was tentatively associated with coagulative and anti-inflammatory responses for the peptidases PepM12A, SePr, PepM12B, and PepM13, and with the neurotoxic activity of Crisp, and finally, hyaluronidase was inferred to bear properties of an permeabilizing agent. The in silico analysis succeeded by validation by PCR and Sanger sequencing enabled us to retrieve cDNAs can may be used for the heterologous expression of these toxins.
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Affiliation(s)
- Ana P. Rodrigo
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal; (I.M.C.); (A.A.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Inês Moutinho Cabral
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal; (I.M.C.); (A.A.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - António Alexandre
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal; (I.M.C.); (A.A.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Pedro M. Costa
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal; (I.M.C.); (A.A.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
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Motta G, Juliano L, Chagas JR. Human plasma kallikrein: roles in coagulation, fibrinolysis, inflammation pathways, and beyond. Front Physiol 2023; 14:1188816. [PMID: 37711466 PMCID: PMC10499198 DOI: 10.3389/fphys.2023.1188816] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 08/15/2023] [Indexed: 09/16/2023] Open
Abstract
Human plasma kallikrein (PKa) is obtained by activating its precursor, prekallikrein (PK), historically named the Fletcher factor. Human PKa and tissue kallikreins are serine proteases from the same family, having high- and low-molecular weight kininogens (HKs and LKs) as substrates, releasing bradykinin (Bk) and Lys-bradykinin (Lys-Bk), respectively. This review presents a brief history of human PKa with details and recent observations of its evolution among the vertebrate coagulation proteins, including the relations with Factor XI. We explored the role of Factor XII in activating the plasma kallikrein-kinin system (KKS), the mechanism of activity and control in the KKS, and the function of HK on contact activation proteins on cell membranes. The role of human PKa in cell biology regarding the contact system and KSS, particularly the endothelial cells, and neutrophils, in inflammatory processes and infectious diseases, was also approached. We examined the natural plasma protein inhibitors, including a detailed survey of human PKa inhibitors' development and their potential market.
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Affiliation(s)
- Guacyara Motta
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Luiz Juliano
- Departamento de Biofisica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Jair Ribeiro Chagas
- Departamento de Biofisica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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Szepanowski RD, Haupeltshofer S, Vonhof SE, Frank B, Kleinschnitz C, Casas AI. Thromboinflammatory challenges in stroke pathophysiology. Semin Immunopathol 2023:10.1007/s00281-023-00994-4. [PMID: 37273022 DOI: 10.1007/s00281-023-00994-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/27/2023] [Indexed: 06/06/2023]
Abstract
Despite years of encouraging translational research, ischemic stroke still remains as one of the highest unmet medical needs nowadays, causing a tremendous burden to health care systems worldwide. Following an ischemic insult, a complex signaling pathway emerges leading to highly interconnected thrombotic as well as neuroinflammatory signatures, the so-called thromboinflammatory cascade. Here, we thoroughly review the cell-specific and time-dependent role of different immune cell types, i.e., neutrophils, macrophages, T and B cells, as key thromboinflammatory mediators modulating the neuroinflammatory response upon stroke. Similarly, the relevance of platelets and their tight crosstalk with a variety of immune cells highlights the relevance of this cell-cell interaction during microvascular dysfunction, neovascularization, and cellular adhesion. Ultimately, we provide an up-to-date overview of therapeutic approaches mechanistically targeting thromboinflammation currently under clinical translation, especially focusing on phase I to III clinical trials.
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Affiliation(s)
- R D Szepanowski
- Department of Neurology, University Hospital Essen, Essen, Germany
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany
| | - S Haupeltshofer
- Department of Neurology, University Hospital Essen, Essen, Germany
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany
| | - S E Vonhof
- Department of Neurology, University Hospital Essen, Essen, Germany
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany
| | - B Frank
- Department of Neurology, University Hospital Essen, Essen, Germany
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany
| | - C Kleinschnitz
- Department of Neurology, University Hospital Essen, Essen, Germany.
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany.
| | - A I Casas
- Department of Neurology, University Hospital Essen, Essen, Germany
- Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Essen, Germany
- Department of Pharmacology and Personalised Medicine, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, The Netherlands
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Nogueira RS, Salu BR, Nardelli VG, Bonturi CR, Pereira MR, de Abreu Maffei FH, Cilli EM, Oliva MLV. A snake venom-analog peptide that inhibits SARS-CoV-2 and papain-like protease displays antithrombotic activity in mice arterial thrombosis model, without interfering with bleeding time. Thromb J 2023; 21:1. [PMID: 36593467 PMCID: PMC9806807 DOI: 10.1186/s12959-022-00436-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/18/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND (p-BthTX-I)2 K, a dimeric analog peptide derived from the C-terminal region of phospholipase A2-like bothropstoxin-I (p-BthTX-I), is resistant to plasma proteolysis and inhibits severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains with weak cytotoxic effects. Complications of SARS-CoV-2 infection include vascular problems and increased risk of thrombosis; therefore, studies to identify new drugs for treating SARS-CoV-2 infections that also inhibit thrombosis and minimize the risk of bleeding are required. OBJECTIVES To determine whether (p-BthTX-I)2 K affects the hemostatic system. METHODS Platelet aggregation was induced by collagen, arachidonic acid, and adenosine diphosphate (ADP) in the Chronolog Lumi-aggregometer. The coagulation activity was evaluated by determining activated partial thromboplastin clotting time (aPTT) and prothrombin time (PT) with (p-BthTX-I)2 K (5.0-434.5 µg) or 0.9% NaCl. Arterial thrombosis was induced with a 540 nm laser and 3.5-20 mg kg- 1 Rose Bengal in the carotid artery of male C57BL/6J mice using (p-BthTX-I)2 K. Bleeding time was determined in mouse tails immersed in saline at 37 °C after (p-BthTX-I)2 K (4.0 mg/kg and 8.0 mg/kg) or saline administration. RESULTS (p-BthTX-I)2 K prolonged the aPTT and PT by blocking kallikrein and FXa-like activities. Moreover, (p-BthTX-I)2 K inhibited ADP-, collagen-, and arachidonic acid-induced platelet aggregation in a dose-dependent manner. Further, low concentrations of (p-BthTX-I)2 K extended the time to artery occlusion by the formed thrombus. However, (p-BthTX-I)2 K did not prolong the bleeding time in the mouse model of arterial thrombosis. CONCLUSION These results demonstrate the antithrombotic activity of the peptide (p-BthTX-I)2 K possibly by kallikrein inhibition, suggesting its strong biotechnological potential.
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Affiliation(s)
- Ruben Siedlarczyk Nogueira
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Bruno Ramos Salu
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Vinícius Goulart Nardelli
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Camila Ramalho Bonturi
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Marina Rodrigues Pereira
- grid.410543.70000 0001 2188 478XDepartment of Biochemistry and Organic Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP), SP 14800-060 São Paulo, Araraquara, Brazil
| | - Francisco Humberto de Abreu Maffei
- grid.410543.70000 0001 2188 478XDepartment of Surgery and Orthopedics, Universidade Estadual Paulista (UNESP), 18618-687 São Paulo, Botucatu, SP Brazil
| | - Eduardo Maffud Cilli
- grid.410543.70000 0001 2188 478XDepartment of Biochemistry and Organic Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP), SP 14800-060 São Paulo, Araraquara, Brazil
| | - Maria Luiza Vilela Oliva
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
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5
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The impairment of plasma kallikrein action on homeostasis by kallikrein inhibitor comprising RGD sequence established a novel target in antithrombotic therapies. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Charoenkwan P, Schaduangrat N, Lio' P, Moni MA, Manavalan B, Shoombuatong W. NEPTUNE: A novel computational approach for accurate and large-scale identification of tumor homing peptides. Comput Biol Med 2022; 148:105700. [PMID: 35715261 DOI: 10.1016/j.compbiomed.2022.105700] [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: 04/14/2022] [Revised: 05/31/2022] [Accepted: 06/04/2022] [Indexed: 11/16/2022]
Abstract
Tumor homing peptides (THPs) play a crucial role in recognizing and specifically binding to cancer cells. Although experimental approaches can facilitate the precise identification of THPs, they are usually time-consuming, labor-intensive, and not cost-effective. However, computational approaches can identify THPs by utilizing sequence information alone, thus highlighting their great potential for large-scale identification of THPs. Herein, we propose NEPTUNE, a novel computational approach for the accurate and large-scale identification of THPs from sequence information. Specifically, we constructed variant baseline models from multiple feature encoding schemes coupled with six popular machine learning algorithms. Subsequently, we comprehensively assessed and investigated the effects of these baseline models on THP prediction. Finally, the probabilistic information generated by the optimal baseline models is fed into a support vector machine-based classifier to construct the final meta-predictor (NEPTUNE). Cross-validation and independent tests demonstrated that NEPTUNE achieved superior performance for THP prediction compared with its constituent baseline models and the existing methods. Moreover, we employed the powerful SHapley additive exPlanations method to improve the interpretation of NEPTUNE and elucidate the most important features for identifying THPs. Finally, we implemented an online web server using NEPTUNE, which is available at http://pmlabstack.pythonanywhere.com/NEPTUNE. NEPTUNE could be beneficial for the large-scale identification of unknown THP candidates for follow-up experimental validation.
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Affiliation(s)
- Phasit Charoenkwan
- Modern Management and Information Technology, College of Arts, Media and Technology, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nalini Schaduangrat
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
| | - Pietro Lio'
- Department of Computer Science and Technology, University of Cambridge, Cambridge, CB3 0FD, UK
| | - Mohammad Ali Moni
- Artificial Intelligence & Digital Health, School of Health and Rehabilitation Sciences, Faculty of Health and Behavioural Sciences, The University of Queensland St Lucia, QLD, 4072, Australia
| | - Balachandran Manavalan
- Computational Biology and Bioinformatics Laboratory, Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon, 16419, Gyeonggi-do, Republic of Korea.
| | - Watshara Shoombuatong
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand.
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7
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Plant Kunitz Inhibitors and Their Interaction with Proteases: Current and Potential Pharmacological Targets. Int J Mol Sci 2022; 23:ijms23094742. [PMID: 35563133 PMCID: PMC9100506 DOI: 10.3390/ijms23094742] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 02/04/2023] Open
Abstract
The action of proteases can be controlled by several mechanisms, including regulation through gene expression; post-translational modifications, such as glycosylation; zymogen activation; targeting specific compartments, such as lysosomes and mitochondria; and blocking proteolysis using endogenous inhibitors. Protease inhibitors are important molecules to be explored for the control of proteolytic processes in organisms because of their ability to act on several proteases. In this context, plants synthesize numerous proteins that contribute to protection against attacks by microorganisms (fungi and bacteria) and/or invertebrates (insects and nematodes) through the inhibition of proteases in these organisms. These proteins are widely distributed in the plant kingdom, and are present in higher concentrations in legume seeds (compared to other organs and other botanical families), motivating studies on their inhibitory effects in various organisms, including humans. In most cases, the biological roles of these proteins have been assigned based mostly on their in vitro action, as is the case with enzyme inhibitors. This review highlights the structural evolution, function, and wide variety of effects of plant Kunitz protease inhibitors, and their potential for pharmaceutical application based on their interactions with different proteases.
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8
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Charoenkwan P, Chiangjong W, Nantasenamat C, Moni MA, Lio’ P, Manavalan B, Shoombuatong W. SCMTHP: A New Approach for Identifying and Characterizing of Tumor-Homing Peptides Using Estimated Propensity Scores of Amino Acids. Pharmaceutics 2022; 14:122. [PMID: 35057016 PMCID: PMC8779003 DOI: 10.3390/pharmaceutics14010122] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/16/2021] [Accepted: 12/28/2021] [Indexed: 12/13/2022] Open
Abstract
Tumor-homing peptides (THPs) are small peptides that can recognize and bind cancer cells specifically. To gain a better understanding of THPs' functional mechanisms, the accurate identification and characterization of THPs is required. Although some computational methods for in silico THP identification have been proposed, a major drawback is their lack of model interpretability. In this study, we propose a new, simple and easily interpretable computational approach (called SCMTHP) for identifying and analyzing tumor-homing activities of peptides via the use of a scoring card method (SCM). To improve the predictability and interpretability of our predictor, we generated propensity scores of 20 amino acids as THPs. Finally, informative physicochemical properties were used for providing insights on characteristics giving rise to the bioactivity of THPs via the use of SCMTHP-derived propensity scores. Benchmarking experiments from independent test indicated that SCMTHP could achieve comparable performance to state-of-the-art method with accuracies of 0.827 and 0.798, respectively, when evaluated on two benchmark datasets consisting of Main and Small datasets. Furthermore, SCMTHP was found to outperform several well-known machine learning-based classifiers (e.g., decision tree, k-nearest neighbor, multi-layer perceptron, naive Bayes and partial least squares regression) as indicated by both 10-fold cross-validation and independent tests. Finally, the SCMTHP web server was established and made freely available online. SCMTHP is expected to be a useful tool for rapid and accurate identification of THPs and for providing better understanding on THP biophysical and biochemical properties.
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Affiliation(s)
- Phasit Charoenkwan
- Modern Management and Information Technology, College of Arts, Media and Technology, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Wararat Chiangjong
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand;
| | - Chanin Nantasenamat
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok 10700, Thailand;
| | - Mohammad Ali Moni
- Artificial Intelligence & Digital Health Data Science, School of Health and Rehabilitation Sciences, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, QLD 4072, Australia;
| | - Pietro Lio’
- Department of Computer Science and Technology, University of Cambridge, Cambridge CB3 0FD, UK;
| | | | - Watshara Shoombuatong
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok 10700, Thailand;
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9
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Ionescu M, Stoian AP, Rizzo M, Serban D, Nuzzo D, Mazilu L, Suceveanu AI, Dascalu AM, Parepa IR. The Role of Endothelium in COVID-19. Int J Mol Sci 2021; 22:11920. [PMID: 34769350 PMCID: PMC8584762 DOI: 10.3390/ijms222111920] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 10/27/2021] [Accepted: 10/31/2021] [Indexed: 01/08/2023] Open
Abstract
The 2019 novel coronavirus, known as severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) or coronavirus disease 2019 (COVID-19), is causing a global pandemic. The virus primarily affects the upper and lower respiratory tracts and raises the risk of a variety of non-pulmonary consequences, the most severe and possibly fatal of which are cardiovascular problems. Data show that almost one-third of the patients with a moderate or severe form of COVID-19 had preexisting cardiovascular comorbidities such as diabetes mellitus, obesity, hypertension, heart failure, or coronary artery disease. SARS-CoV2 causes hyper inflammation, hypoxia, apoptosis, and a renin-angiotensin system imbalance in a variety of cell types, primarily endothelial cells. Profound endothelial dysfunction associated with COVID-19 can be the cause of impaired organ perfusion that may generate acute myocardial injury, renal failure, and a procoagulant state resulting in thromboembolic events. We discuss the most recent results on the involvement of endothelial dysfunction in the pathogenesis of COVID-19 in patients with cardiometabolic diseases in this review. We also provide insights on treatments that may reduce the severity of this viral infection.
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Affiliation(s)
- Mihaela Ionescu
- Cardiology Department, Faculty of Medicine, Ovidius University of Constanţa, 900527 Constanţa, Romania; (M.I.); (I.R.P.)
| | - Anca Pantea Stoian
- Diabetes, Nutrition, and Metabolic Diseases Department, Faculty of Medicine, Carol Davila University, 050474 Bucharest, Romania; (A.P.S.); (M.R.)
| | - Manfredi Rizzo
- Diabetes, Nutrition, and Metabolic Diseases Department, Faculty of Medicine, Carol Davila University, 050474 Bucharest, Romania; (A.P.S.); (M.R.)
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90100 Palermo, Italy
| | - Dragos Serban
- Forth Surgery Department, Emergency University Hospital Bucharest and Faculty of Medicine, Carol Davila University, 050474 Bucharest, Romania;
| | - Domenico Nuzzo
- Italian National Research Council, Institute for Research and Biomedical Innovation (CNR-IRIB), 90100 Palermo, Italy
| | - Laura Mazilu
- Oncology Department, Faculty of Medicine, Ovidius University of Constanţa, 900527 Constanţa, Romania;
| | - Andra Iulia Suceveanu
- Internal Medicine Department, Faculty of Medicine, Ovidius University of Constanţa, 900527 Constanţa, Romania;
| | - Ana Maria Dascalu
- Department of Ophthalmology, Emergency University Hospital Bucharest and Faculty of Medicine, Carol Davila University, 050474 Bucharest, Romania;
| | - Irinel Raluca Parepa
- Cardiology Department, Faculty of Medicine, Ovidius University of Constanţa, 900527 Constanţa, Romania; (M.I.); (I.R.P.)
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10
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Dymicka-Piekarska V, Koper-Lenkiewicz OM, Zińczuk J, Kratz E, Kamińska J. Inflammatory cell-associated tumors. Not only macrophages (TAMs), fibroblasts (TAFs) and neutrophils (TANs) can infiltrate the tumor microenvironment. The unique role of tumor associated platelets (TAPs). Cancer Immunol Immunother 2021; 70:1497-1510. [PMID: 33146401 PMCID: PMC8139882 DOI: 10.1007/s00262-020-02758-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022]
Abstract
It is well known that various inflammatory cells infiltrate cancer cells. Next to TAMs (tumor-associated macrophages), TAFs (tumor-associated fibroblasts) and TANs (tumor-associated neutrophils) also platelets form the tumor microenvironment. Taking into account the role of platelets in the development of cancer, we have decided to introduce a new term: tumor associated platelets-TAPs. To the best of our knowledge, thus far this terminology has not been employed by anyone. Platelets are the first to appear at the site of the inflammatory process that accompanies cancer development. Within the first few hours from the start of the colonization of cancer cells platelet-tumor aggregates are responsible for neutrophils recruitment, and further release a number of factors associated with tumor growth, metastasis and neoangiogenesis. On the other hand, it also has been indicated that factors delivered from platelets can induce a cytotoxic effect on the proliferating neoplastic cells, and even enhance apoptosis. Undoubtedly, TAPs' role seems to be more complex when compared to tumor associated neutrophils and macrophages, which do not allow for their division into TAP P1 and TAP P2, as in the case of TANs and TAMs. In this review we discuss the role of TAPs as an important element of tumor invasiveness and as a potentially new therapeutic target to prevent cancer development. Nevertheless, better exploring the interactions between platelets and tumor cells could help in the formulation of new therapeutic goals that support or improve the effectiveness of cancer treatment.
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Affiliation(s)
- Violetta Dymicka-Piekarska
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Bialystok, Poland
| | - Olga M. Koper-Lenkiewicz
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Bialystok, Poland
| | - Justyna Zińczuk
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Bialystok, Poland
| | - Ewa Kratz
- Department of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wrocław, Poland
| | - Joanna Kamińska
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Bialystok, Poland
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11
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Cohen JB, South AM, Shaltout HA, Sinclair MR, Sparks MA. Renin-angiotensin system blockade in the COVID-19 pandemic. Clin Kidney J 2021; 14:i48-i59. [PMID: 33796285 PMCID: PMC7929063 DOI: 10.1093/ckj/sfab026] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/19/2021] [Indexed: 01/08/2023] Open
Abstract
In the early months of the coronavirus disease 2019 (COVID-19) pandemic, a hypothesis emerged suggesting that pharmacologic inhibitors of the renin–angiotensin system (RAS) may increase COVID-19 severity. This hypothesis was based on the role of angiotensin-converting enzyme 2 (ACE2), a counterregulatory component of the RAS, as the binding site for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), allowing viral entry into host cells. Extrapolations from prior evidence led to speculation that upregulation of ACE2 by RAS blockade may increase the risk of adverse outcomes from COVID-19. However, counterarguments pointed to evidence of potential protective effects of ACE2 and RAS blockade with regard to acute lung injury, as well as substantial risks from discontinuing these commonly used and important medications. Here we provide an overview of classic RAS physiology and the crucial role of ACE2 in systemic pathways affected by COVID-19. Additionally, we critically review the physiologic and epidemiologic evidence surrounding the interactions between RAS blockade and COVID-19. We review recently published trial evidence and propose important future directions to improve upon our understanding of these relationships.
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Affiliation(s)
- Jordana B Cohen
- Renal-Electrolyte and Hypertension Division, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Andrew M South
- Section of Nephrology, Department of Pediatrics, Brenner Children's Hospital, Wake Forest School of Medicine, Winston Salem, NC, USA.,Department of Epidemiology and Prevention, Division of Public Health Sciences, Wake Forest School of Medicine, Winston Salem, NC, USA.,Department of Surgery, Hypertension and Vascular Research, Wake Forest School of Medicine, Winston Salem, NC, USA.,Cardiovascular Sciences Center, Wake Forest School of Medicine, Winston Salem, NC, USA
| | - Hossam A Shaltout
- Department of Surgery, Hypertension and Vascular Research, Wake Forest School of Medicine, Winston Salem, NC, USA.,Cardiovascular Sciences Center, Wake Forest School of Medicine, Winston Salem, NC, USA.,Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston Salem, NC, USA.,Department of Pharmacology and Toxicology, School of Pharmacy, University of Alexandria, Alexandria, Egypt
| | - Matthew R Sinclair
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC, USA.,Duke Clinical Research Institute, Durham, NC, USA
| | - Matthew A Sparks
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC, USA.,Renal Section, Durham VA Health Care System, Durham, NC, USA
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12
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Wu J, Heemskerk JWM, Baaten CCFMJ. Platelet Membrane Receptor Proteolysis: Implications for Platelet Function. Front Cardiovasc Med 2021; 7:608391. [PMID: 33490118 PMCID: PMC7820117 DOI: 10.3389/fcvm.2020.608391] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022] Open
Abstract
The activities of adhesion and signaling receptors in platelets are controlled by several mechanisms. An important way of regulation is provided by proteolytic cleavage of several of these receptors, leading to either a gain or a loss of platelet function. The proteases involved are of different origins and types: (i) present as precursor in plasma, (ii) secreted into the plasma by activated platelets or other blood cells, or (iii) intracellularly activated and cleaving cytosolic receptor domains. We provide a comprehensive overview of the proteases acting on the platelet membrane. We describe how these are activated, which are their target proteins, and how their proteolytic activity modulates platelet functions. The review focuses on coagulation-related proteases, plasmin, matrix metalloproteinases, ADAM(TS) isoforms, cathepsins, caspases, and calpains. We also describe how the proteolytic activities are determined by different platelet populations in a thrombus and conversely how proteolysis contributes to the formation of such populations.
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Affiliation(s)
- Jiayu Wu
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Johan W. M. Heemskerk
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Constance C. F. M. J. Baaten
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
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13
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Kumar A, Narayan RK, Kumari C, Faiq MA, Kulandhasamy M, Kant K, Pareek V. SARS-CoV-2 cell entry receptor ACE2 mediated endothelial dysfunction leads to vascular thrombosis in COVID-19 patients. Med Hypotheses 2020; 145:110320. [PMID: 33032170 PMCID: PMC7525265 DOI: 10.1016/j.mehy.2020.110320] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/14/2020] [Accepted: 09/25/2020] [Indexed: 01/05/2023]
Abstract
Several studies have described unusually high incidence of vascular thrombosis in coronavirus disease-2019 (COVID-19) patients. Pathogenesis of the vascular thrombosis in COVID-19 is least understood for now and presents a challenge to the treating physicians. Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the causative pathogen for COVID-19, has been shown to bind to angiotensin converting enzyme 2 (ACE2) protein in human epithelial cells which facilitates its entry in the organ and mediate tissue specific pathogenesis. For ACE2 mediated cell entry of the SARS-CoV-2, co-expression of one more protein-Transmembrane protease serine 2 (TMPRSS2) is essential. Existing studies suggested significant expression of ACE2 and TMPRSS2 in human vascular endothelium. Vascular endothelial dysfunction can potentially activate coagulation cascade eventually resulting in thrombosis. ACE2 has proven role in the maintenance of endothelial integrity inside the vessels. Existing in situ evidence for SARS-CoV-1 (the causative agent for SARS pandemic of 2002, which shared ACE2 as cell entry receptor) suggested that virus binding can downregulate ACE2, thus can induce endothelial dysfunction. Recently, in situ evidence has been presented that SARS-CoV-2 can infect cells in engineered human vascular endothelium, which can be effectively blocked by using clinical-grade recombinant human ACE2. Based on the circumstantial evidence present in the literature, we propose a SARS-CoV-2 cell entry receptor ACE2 based mechanism for vascular thrombosis in COVID-19 patients.
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Affiliation(s)
- Ashutosh Kumar
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; Department of Anatomy, All India Institute of Medical Sciences (AIIMS), Patna, India.
| | - Ravi K Narayan
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; Department of Anatomy, All India Institute of Medical Sciences (AIIMS), Patna, India
| | - Chiman Kumari
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; Department of Anatomy, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Muneeb A Faiq
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; New York University (NYU) Langone Health Center, NYU Robert I Grossman School of Medicine, New York, NY, USA
| | - Maheswari Kulandhasamy
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; Department of Biochemistry, Maulana Azad Medical College (MAMC), New Delhi, India
| | - Kamla Kant
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; Department of Microbiology, All India Institute of Medical Sciences (AIIMS), Bathinda, India
| | - Vikas Pareek
- Etiologically Elusive Disorders Research Network (EEDRN), New Delhi, India; National Brain Research Center, Manesar, Haryana, India
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14
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Xie Z, Li Z, Shao Y, Liao C. Discovery and development of plasma kallikrein inhibitors for multiple diseases. Eur J Med Chem 2020; 190:112137. [PMID: 32066009 DOI: 10.1016/j.ejmech.2020.112137] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 02/08/2020] [Accepted: 02/08/2020] [Indexed: 01/06/2023]
Abstract
Plasma kallikrein (PKal) belongs to the family of trypsin-like serine proteases. The expression of PKal is associated with multiple physiological systems or pathways such as coagulation pathway, platelet aggregation process, kallikrein-kinin system, renin-angiotensin system and complement pathway. On the basis of PKal's multiple physiological functions, it has been considered as a potential target for several diseases including hereditary angioedema, microvascular complications of diabetes mellitus and cerebrovascular disease. Up to now, many PKal inhibitors have been identified and a few of them have reached clinical trials or market. This review summarizes the development of small molecule and peptide PKal inhibitors having different scaffolds and discusses their structure-activity relationship and selectivity. We hope this review facilitates a comprehensive understanding of the types of PKal inhibitors developed to tackle different manifestations of PKal-associated diseases.
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Affiliation(s)
- Zhouling Xie
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China.
| | - Zhen Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Yanruisheng Shao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Chenzhong Liao
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China.
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15
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Seidel SRT, Vendruscolo CP, Moreira JJ, Fülber J, Ottaiano TF, Oliva MLV, Michelacci YM, Baccarin RYA. Does Double Centrifugation Lead to Premature Platelet Aggregation and Decreased TGF-β1 Concentrations in Equine Platelet-Rich Plasma? Vet Sci 2019; 6:vetsci6030068. [PMID: 31438534 PMCID: PMC6789863 DOI: 10.3390/vetsci6030068] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/29/2019] [Accepted: 07/31/2019] [Indexed: 11/16/2022] Open
Abstract
Blood-derived autologous products are frequently used in both human and equine medicine to treat musculoskeletal disorders. These products, especially the platelet-rich plasma (PRP), may contain high concentrations of growth factors (GFs), and thus improve healing in several tissues. Nevertheless, the procedures for preparation of PRP are currently non-standardized. Several protocols, which are based on distinct centrifugation patterns (rotation speed and time), result in PRPs with different characteristics, concerning platelet and GFs concentrations, as well as platelet activation. The aim of the present study was to compare two different protocols for PRP preparation: protocol (A) that is based on a single-centrifugation step; protocol (B), which included two sequential centrifugation steps (double-centrifugation). The results here reported show that the double-centrifugation protocol resulted in higher platelet concentration, while leukocytes were not concentrated by this procedure. Although platelet activation and aggregation were increased in this protocol in comparison to the single-centrifugation one, the TGF-β1 concentration was also higher. Pearson’s correlation coefficients gave a significant, positive correlation between the platelet counts and TGF-β1 concentration. In conclusion, although the double-centrifugation protocol caused premature platelet aggregation, it seems to be an effective method for preparation of PRP with high platelet and TGF-β1 concentrations.
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Affiliation(s)
- Sarah R T Seidel
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo 05508-270, Brazil.
| | - Cynthia P Vendruscolo
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo 05508-270, Brazil
| | - Juliana J Moreira
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo 05508-270, Brazil
| | - Joice Fülber
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo 05508-270, Brazil
| | - Tatiana F Ottaiano
- Departamento de Bioquímica, Escola Paulista de Medicina, UNIFESP, São Paulo 04023-062, Brazil
| | - Maria L V Oliva
- Departamento de Bioquímica, Escola Paulista de Medicina, UNIFESP, São Paulo 04023-062, Brazil
| | - Yara M Michelacci
- Departamento de Bioquímica, Escola Paulista de Medicina, UNIFESP, São Paulo 04023-062, Brazil
| | - Raquel Y A Baccarin
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo 05508-270, Brazil.
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16
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Zhao S, Li Z, Huang F, Wu J, Gui L, Zhang X, Wang Y, Wang X, Peng S, Zhao M. Nano-scaled MTCA-KKV: for targeting thrombus, releasing pharmacophores, inhibiting thrombosis and dissolving blood clots in vivo. Int J Nanomedicine 2019; 14:4817-4831. [PMID: 31308660 PMCID: PMC6614858 DOI: 10.2147/ijn.s206294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 05/23/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND In vitro (1R,3S)-1-methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxyl-Lys(Pro-Ala-Lys)-Arg-Gly-Asp-Val (MTCA-KKV) adheres activated platelets, targets P-selectin and GPIIb/IIIa. This led to the development of MTCA-KKV as thrombus targeting nano-medicine. METHODS MTCA-KKV was characterized by nano-feature, anti-thrombotic activity, thrombolytic activity, thrombus target and targeting release. RESULTS In vivo 0.01 μmol/kg of MTCA-KKV formed nano-particles less than 100 nm in diameter, targeted thrombus, released anti-thrombotic and thrombolytic pharmacophores, prevented thrombosis and dissolved blood clots. CONCLUSION Based on the profiles of targeting thrombus, targeting release, inhibiting thrombosis and dissolving blood clots MTCA-KKV is a promising nano-medicine.
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Affiliation(s)
- Shurui Zhao
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Ze Li
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Fei Huang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, People’s Republic of China
| | - Jianhui Wu
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Lin Gui
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Xiaoyi Zhang
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Yaonan Wang
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Xiaozhen Wang
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Shiqi Peng
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
| | - Ming Zhao
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, College of Pharmaceutical Sciences, Capital Medical University, Beijing100069, People’s Republic of China
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Li C, Voos KM, Pathak M, Hall G, McCrae KR, Dreveny I, Li R, Emsley J. Plasma kallikrein structure reveals apple domain disc rotated conformation compared to factor XI. J Thromb Haemost 2019; 17:759-770. [PMID: 30801944 PMCID: PMC6899681 DOI: 10.1111/jth.14418] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Indexed: 12/26/2022]
Abstract
Essentials Zymogen PK is activated to PKa and cleaves substrates kininogen and FXII contributing to bradykinin generation. Monomeric PKa and dimeric homologue FXI utilize the N-terminal apple domains to recruit substrates. A high-resolution 1.3 Å structure of full-length PKa reveals an active conformation of the protease and apple domains. The PKa protease and four-apple domain disc organization is 180° rotated compared to FXI. SUMMARY: Background Plasma prekallikrein (PK) and factor XI (FXI) are apple domain-containing serine proteases that when activated to PKa and FXIa cleave substrates kininogen, factor XII, and factor IX, respectively, directing plasma coagulation, bradykinin release, inflammation, and thrombosis pathways. Objective To investigate the three-dimensional structure of full-length PKa and perform a comparison with FXI. Methods A series of recombinant full-length PKa and FXI constructs and variants were developed and the crystal structures determined. Results and conclusions A 1.3 Å structure of full-length PKa reveals the protease domain positioned above a disc-shaped assemblage of four apple domains in an active conformation. A comparison with the homologous FXI structure reveals the intramolecular disulfide and structural differences in the apple 4 domain that prevents dimer formation in PK as opposed to FXI. Two latchlike loops (LL1 and LL2) extend from the PKa protease domain to form interactions with the apple 1 and apple 3 domains, respectively. A major unexpected difference in the PKa structure compared to FXI is the 180° disc rotation of the apple domains relative to the protease domain. This results in a switched configuration of the latch loops such that LL2 interacts and buries portions of the apple 3 domain in the FXI zymogen whereas in PKa LL2 interacts with the apple 1 domain. Hydrogen-deuterium exchange mass spectrometry on plasma purified human PK and PKa determined that regions of the apple 3 domain have increased surface exposure in PKa compared to the zymogen PK, suggesting conformational change upon activation.
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Affiliation(s)
- Chan Li
- Centre for Biomolecular SciencesSchool of PharmacyUniversity of NottinghamNottinghamUK
| | - Kayleigh M. Voos
- Aflac Cancer and Blood Disorders CenterDepartment of PediatricsEmory University School of MedicineAtlantaGAUSA
| | - Monika Pathak
- Centre for Biomolecular SciencesSchool of PharmacyUniversity of NottinghamNottinghamUK
| | - Gareth Hall
- Centre for Biomolecular SciencesSchool of PharmacyUniversity of NottinghamNottinghamUK
| | - Keith R. McCrae
- Departments of Hematology and Oncology and Cellular and Molecular MedicineCleveland ClinicClevelandOHUSA
| | - Ingrid Dreveny
- Centre for Biomolecular SciencesSchool of PharmacyUniversity of NottinghamNottinghamUK
| | - Renhao Li
- Aflac Cancer and Blood Disorders CenterDepartment of PediatricsEmory University School of MedicineAtlantaGAUSA
| | - Jonas Emsley
- Centre for Biomolecular SciencesSchool of PharmacyUniversity of NottinghamNottinghamUK
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18
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Singh RD, Shandilya R, Bhargava A, Kumar R, Tiwari R, Chaudhury K, Srivastava RK, Goryacheva IY, Mishra PK. Quantum Dot Based Nano-Biosensors for Detection of Circulating Cell Free miRNAs in Lung Carcinogenesis: From Biology to Clinical Translation. Front Genet 2018; 9:616. [PMID: 30574163 PMCID: PMC6291444 DOI: 10.3389/fgene.2018.00616] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 11/23/2018] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is the most frequently occurring malignancy and the leading cause of cancer-related death for men in our country. The only recommended screening method is clinic based low-dose computed tomography (also called a low-dose CT scan, or LDCT). However, the effect of LDCT on overall mortality observed in lung cancer patients is not statistically significant. Over-diagnosis, excessive cost, risks associated with radiation exposure, false positive results and delay in the commencement of the treatment procedure questions the use of LDCT as a reliable technique for population-based screening. Therefore, identification of minimal-invasive biomarkers able to detect malignancies at an early stage might be useful to reduce the disease burden. Circulating nucleic acids are emerging as important source of information for several chronic pathologies including lung cancer. Of these, circulating cell free miRNAs are reported to be closely associated with the clinical outcome of lung cancer patients. Smaller size, sequence homology between species, low concentration and stability are some of the major challenges involved in characterization and specific detection of miRNAs. To circumvent these problems, synthesis of a quantum dot based nano-biosensor might assist in sensitive, specific and cost-effective detection of differentially regulated miRNAs. The wide excitation and narrow emission spectra of these nanoparticles result in excellent fluorescent quantum yields with a broader color spectrum which make them ideal bio-entities for fluorescence resonance energy transfer (FRET) based detection for sequential or simultaneous study of multiple targets. In addition, photo-resistance and higher stability of these nanoparticles allows extensive exposure and offer state-of-the art sensitivity for miRNA targeting. A major obstacle for integrating QDs into clinical application is the QD-associated toxicity. However, the use of non-toxic shells along with surface modification not only overcomes the toxicity issues, but also increases the ability of QDs to quickly detect circulating cell free miRNAs in a non-invasive mode. The present review illustrates the importance of circulating miRNAs in lung cancer diagnosis and highlights the translational prospects of developing QD-based nano-biosensor for rapid early disease detection.
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Affiliation(s)
- Radha D. Singh
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Ruchita Shandilya
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Arpit Bhargava
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Rajat Kumar
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Rajnarayan Tiwari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Koel Chaudhury
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, India
| | - Rupesh K. Srivastava
- Department of Biotechnology, All India Institute of Medical Sciences, New Delhi, India
| | - Irina Y. Goryacheva
- Department of General and Inorganic Chemistry, Saratov State University, Saratov, Russia
| | - Pradyumna K. Mishra
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
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Heptapeptide-based modification leading to enhancing the action of MTCA on activated platelets, P-selectin, GPIIb/IIIa. Future Med Chem 2018; 10:1957-1970. [PMID: 29973078 DOI: 10.4155/fmc-2018-0055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
AIM The modification of platelet inhibitor to enhance its targeting capacity toward platelets is of clinical importance. Thus, (1R, 3S)-1-methyl-1, 2, 3, 4-tetrahydro-β-carboline-3-carboxylic acid (MTCA), a platelet inhibitor, was modified with Lys(Pro-Ala-Lys)-Arg-Gly-Asp-Val (KKV), platelet targeting peptide, to form MTCA-KKV. MATERIALS & METHODS MTCA and MTCA-KKV were synthesized to identify the effect of KKV modification on MTCA and platelets. RESULTS Atomic force microscopy imaged MTCA-KKV effectively accumulated on activated platelets. UV spectra showed that MTCA-KKV concentration dependently changed P-selectin and GPIIb/IIIa conformations. For platelet aggregation, the IC50 of MTCA-KKV was approximately 1/10 folds of MTCA. CONCLUSION KKV modification led to forming MTCA-KKV that is superior to MTCA in terms of accumulating on activated platelets, targeting P-selectin and GPIIb/IIIa and inhibiting platelet aggregation. MTCA-KKV could be a promising lead for further investigation.
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20
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Wojtukiewicz MZ, Hempel D, Sierko E, Tucker SC, Honn KV. Antiplatelet agents for cancer treatment: a real perspective or just an echo from the past? Cancer Metastasis Rev 2018; 36:305-329. [PMID: 28752248 PMCID: PMC5557869 DOI: 10.1007/s10555-017-9683-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The association between coagulation and cancer development has been observed for centuries. However, the connection between inflammation and malignancy is also well-recognized. The plethora of evidence indicates that among multiple hemostasis components, platelets play major roles in cancer progression by providing surface and granular contents for several interactions as well as behaving like immune cells. Therefore, the anticancer potential of anti-platelet therapy has been intensively investigated for many years. Anti-platelet agents may prevent cancer, decrease tumor growth, and metastatic potential, as well as improve survival of cancer patients. On the other hand, there are suggestions that antiplatelet treatment may promote solid tumor development in a phenomenon described as "cancers follow bleeding." The controversies around antiplatelet agents justify insight into the subject to establish what, if any, role platelet-directed therapy has in the continuum of anticancer management.
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Affiliation(s)
- Marek Z Wojtukiewicz
- Department of Oncology, Medical University of Bialystok, 12 Ogrodowa St., 15-025, Bialystok, Poland.
| | - Dominika Hempel
- Department of Radiotherapy, Comprehensive Cancer Center in Bialystok, Bialystok, Poland
| | - Ewa Sierko
- Department of Clinical Oncology, Comprehensive Cancer Center in Bialystok, Bialystok, Poland
| | - Stephanie C Tucker
- Department of Pathology-School of Medicine, Bioactive Lipids Research Program, Detroit, MI, 48202, USA
| | - Kenneth V Honn
- Department of Pathology-School of Medicine, Bioactive Lipids Research Program, Detroit, MI, 48202, USA.,Departments of Chemistry, Wayne State University, Detroit, MI, 48202, USA.,Department of Oncology, Karmanos Cancer Institute, Detroit, MI, 48202, USA
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21
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Pathak M, Kaira BG, Slater A, Emsley J. Cell Receptor and Cofactor Interactions of the Contact Activation System and Factor XI. Front Med (Lausanne) 2018; 5:66. [PMID: 29619369 PMCID: PMC5871670 DOI: 10.3389/fmed.2018.00066] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 02/26/2018] [Indexed: 01/02/2023] Open
Abstract
The contact activation system (CAS) or contact pathway is central to the crosstalk between coagulation and inflammation and contributes to diverse disorders affecting the cardiovascular system. CAS initiation contributes to thrombosis but is not required for hemostasis and can trigger plasma coagulation via the intrinsic pathway [through factor XI (FXI)] and inflammation via bradykinin release. Activation of factor XII (FXII) is the principal starting point for the cascade of proteolytic cleavages involving FXI, prekallikrein (PK), and cofactor high molecular weight kininogen (HK) but the precise location and cell receptor interactions controlling these reactions remains unclear. FXII, PK, FXI, and HK utilize key protein domains to mediate binding interactions to cognate cell receptors and diverse ligands, which regulates protease activation. The assembly of contact factors has been demonstrated on the cell membranes of a variety of cell types and microorganisms. The cooperation between the contact factors and endothelial cells, platelets, and leukocytes contributes to pathways driving thrombosis yet the basis of these interactions and the relationship with activation of the contact factors remains undefined. This review focuses on cell receptor interactions of contact proteins and FXI to develop a cell-based model for the regulation of contact activation.
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Affiliation(s)
- Monika Pathak
- Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom
| | - Bubacarr Gibril Kaira
- Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom
| | - Alexandre Slater
- Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom
| | - Jonas Emsley
- Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom
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22
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Salu BR, Pando SC, Brito MVD, Medina AF, Odei-Addo F, Frost C, Naude R, Sampaio MU, Emsley J, Maffei FHA, Oliva MLV. Improving the understanding of plasma kallikrein contribution to arterial thrombus formation using two plant protease inhibitors. Platelets 2018; 30:305-313. [PMID: 29442535 DOI: 10.1080/09537104.2018.1428738] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The purpose of antithrombotic therapy is the prevention of thrombus formation and/or its extension with a minimum risk of bleeding. The inhibition of a variety of proteolytic processes, particularly those of the coagulation cascade, has been reported as a property of plant protease inhibitors. The role of trypsin inhibitors (TIs) from Delonix regia (Dr) and Acacia schweinfurthii (As), members of the Kunitz family of protease inhibitors, was investigated on blood coagulation, platelet aggregation, and thrombus formation. Different from Acacia schweinfurthii trypsin inhibitor (AsTI), Delonix regia trypsin inhibitor (DrTI) is a potent inhibitor of FXIa with a Kiapp of 1.3 × 10-9 M. In vitro, both inhibitors at 100 µg corresponding to the concentrations of 21 μM and 15.4 μM of DrTI and AsTI, respectively, increased approximately 2.0 times the activated partial thromboplastin time (aPTT) in human plasma compared to the control, likely due to the inhibition of human plasma kallikrein (huPK) or activated factor XI (FXIa), in the case of DrTI. Investigating in vivo models of arterial thrombus formation and bleeding time, DrTI and AsTI, 1.3 µM and 0.96 µM, respectively, prolonged approximately 50% the time for total carotid artery occlusion in mice compared to the control. In contrast to heparin, the bleeding time in mice treated with the two inhibitors did not differ from that of the control group. DrTI and AsTI inhibited 49.3% and 63.8%, respectively, ex vivo murine platelet aggregation induced by adenosine diphosphate (ADP), indicating that these protein inhibitors prevent arterial thrombus formation possibly by interfering with the plasma kallikrein (PK) proteolytic action on the intrinsic coagulation pathway and its ability to enhance the platelet aggregation activity on the intravascular compartment leading to the improvement of a thrombus.
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Affiliation(s)
- Bruno R Salu
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil
| | - Silvana Cristina Pando
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil.,b Department Physiological Sciences , Federal University of Amazonas, ICB , Manaus , AM , Brazil
| | - Marlon V De Brito
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil
| | - André Fernando Medina
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil
| | - Frank Odei-Addo
- c Department of Biochemistry & Microbiology , Nelson Mandela University , Port Elizabeth , South Africa
| | - Carminita Frost
- c Department of Biochemistry & Microbiology , Nelson Mandela University , Port Elizabeth , South Africa
| | - Ryno Naude
- c Department of Biochemistry & Microbiology , Nelson Mandela University , Port Elizabeth , South Africa
| | - Misako U Sampaio
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil
| | - Jonas Emsley
- d Centre for Biomolecular Sciences, School of Pharmacy , University of Nottingham , Nottingham , England
| | | | - Maria Luiza V Oliva
- a Department of Biochemistry , Federal University of São Paulo , São Paulo , SP , Brazil
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Wang B, Yang A, Zhao Z, He C, Liu Y, Colman RW, Dai J, Wu Y. The Plasma Kallikrein-Kininogen Pathway Is Critical in the Pathogenesis of Colitis in Mice. Front Immunol 2018; 9:21. [PMID: 29467753 PMCID: PMC5808240 DOI: 10.3389/fimmu.2018.00021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 01/04/2018] [Indexed: 12/17/2022] Open
Abstract
The kallikrein-kinin system (KKS) consists of two serine proteases, prekallikrein (pKal) and factor XII (FXII), and a cofactor, high-molecular-weight kininogen (HK). Upon activation of the KKS, HK is cleaved to release bradykinin. Although the KKS is activated in humans and animals with inflammatory bowel disease (IBD), its role in the pathogenesis of IBD has not been characterized. In the present study, we determined the role of the KKS in the pathogenesis of IBD using mice that lack proteins involved in the KKS. In two colitis models, induced by dextran sulfate sodium (DSS) or 2,4,6-trinitrobenzene sulfonic acid (TNBS), mice deficient in HK, pKal, or bradykinin receptors displayed attenuated phenotypes, including body weight loss, disease activity index, colon length shortening, histological scoring, and colonic production of cytokines. Infiltration of neutrophils and inflammatory monocytes in the colonic lamina propria was reduced in HK-deficient mice. Reconstitution of HK-deficient mice through intravenous injection of HK recovered their susceptibility to DSS-induced colitis, increased IL-1β levels in the colon tissue and bradykinin concentrations in plasma. In contrast to the phenotypes of other mice lacking other proteins involved in the KKS, mice lacking FXII had comparable colonic inflammation to that observed in wild-type mice. The concentration of bradykinin was significantly increased in the plasma of wild-type mice after DSS-induced colitis. In vitro analysis revealed that DSS-induced pKal activation, HK cleavage, and bradykinin plasma release were prevented by the absence of pKal or the inhibition of Kal. Unlike DSS, TNBS-induced colitis did not trigger HK cleavage. Collectively, our data strongly suggest that Kal, acting independently of FXII, contributes to experimental colitis by promoting bradykinin release from HK.
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Affiliation(s)
- Bo Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Aizhen Yang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Zhenzhen Zhao
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Chao He
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Yuanyuan Liu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Robert W. Colman
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, PA, United States
| | - Jihong Dai
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, PA, United States
- Department of Pathology and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, NJ, United States
| | - Yi Wu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, PA, United States
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