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Hudson JS, Nowicki KW, Lucke-Wold B, Gersey ZC, Dodd WS, Alattar A, McCarthy DJ, Agarwal P, Mehdi Z, Lang MJ, Hasan DM, Hoh BL, Gross BA. Clopidogrel Is Associated with Reduced Likelihood of Aneurysmal Subarachnoid Hemorrhage: a Multi-Center Matched Retrospective Analysis. Transl Stroke Res 2024; 15:936-940. [PMID: 37470917 DOI: 10.1007/s12975-023-01179-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/27/2023] [Accepted: 07/16/2023] [Indexed: 07/21/2023]
Abstract
Maladaptive inflammation underlies the formation and rupture of human intracranial aneurysms. There is a growing body of evidence that anti-inflammatory pharmaceuticals may beneficially modulate this process. Clopidogrel (Plavix) is a commonly used irreversible P2Y12 receptor antagonist with anti-inflammatory activity. In this paper, we investigate whether clopidogrel is associated with the likelihood of aneurysm rupture in a multi-institutional propensity-matched cohort analysis. Patients presenting for endovascular treatment of their unruptured intracranial aneurysms and those presenting with aneurysm rupture between 2015 and 2019 were prospectively identified at two quaternary referral centers. Patient demographics, comorbidities, and medication usage at the time of presentation were collected. Patients taking clopidogrel or not taking clopidogrel were matched in a 1:1 fashion with respect to location, age, smoking status, aneurysm size, aspirin usage, and hypertension. A total of 1048 patients with electively treated aneurysms or subarachnoid hemorrhages were prospectively identified. Nine hundred twenty-one patients were confirmed to harbor aneurysms during catheter-based diagnostic angiography. A total of 172/921 (19%) patients were actively taking clopidogrel at the time of presentation. Three hundred thirty-two patients were matched in a 1:1 fashion. A smaller proportion of patients taking clopidogrel at presentation had ruptured aneurysms than those who were not taking clopidogrel (6.6% vs 23.5%, p < .0001). Estimated treatment effect analysis demonstrated that clopidogrel usage decreased aneurysm rupture risk by 15%. We present, to the best of our knowledge, the first large-scale multi-institutional analysis suggesting clopidogrel use is protective against intracranial aneurysm rupture. It is our hope that these data will guide future investigation, revealing the pathophysiologic underpinning of this association.
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Affiliation(s)
- Joseph S Hudson
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA.
| | - Kamil W Nowicki
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - Brandon Lucke-Wold
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Zachary C Gersey
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - William S Dodd
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Ali Alattar
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - David J McCarthy
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - Prateek Agarwal
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - Zain Mehdi
- University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Michael J Lang
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
| | - David M Hasan
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Brian L Hoh
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Bradley A Gross
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop Street, 4th floor, Pittsburgh, PA, USA
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2
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Martinez Bravo G, Annarapu G, Carmona E, Nawarskas J, Clark R, Novelli E, Mota Alvidrez RI. Platelets in Thrombosis and Atherosclerosis: A Double-Edged Sword. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1608-1621. [PMID: 38885926 PMCID: PMC11373056 DOI: 10.1016/j.ajpath.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/16/2024] [Accepted: 05/16/2024] [Indexed: 06/20/2024]
Abstract
This review focuses on the dual role of platelets in atherosclerosis and thrombosis, exploring their involvement in inflammation, angiogenesis, and plaque formation, as well as their hemostatic and prothrombotic functions. Beyond their thrombotic functions, platelets engage in complex interactions with diverse cell types, influencing disease resolution and progression. The contribution of platelet degranulation helps in the formation of atheromatous plaque, whereas the reciprocal interaction with monocytes adds complexity. Alterations in platelet membrane receptors and signaling cascades contribute to advanced atherosclerosis, culminating in atherothrombotic events. Understanding these multifaceted roles of platelets will lead to the development of targeted antiplatelet strategies for effective cardiovascular disease prevention and treatment. Understanding platelet functions in atherosclerosis and atherothrombosis at different stages of disease will be critical for designing targeted treatments and medications to prevent or cure the disease Through this understanding, platelets can be targeted at specific times in the atherosclerosis process, possibly preventing the development of atherothrombosis.
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Affiliation(s)
| | - Gowtham Annarapu
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Emely Carmona
- School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - James Nawarskas
- Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico
| | - Ross Clark
- Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Enrico Novelli
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania; School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Roberto I Mota Alvidrez
- Biomedical Engineering Department, University of New Mexico, Albuquerque, New Mexico; Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico.
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3
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O'Donoghue L, Smolenski A. Roles of G proteins and their GTPase-activating proteins in platelets. Biosci Rep 2024; 44:BSR20231420. [PMID: 38808367 PMCID: PMC11139668 DOI: 10.1042/bsr20231420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/30/2024] Open
Abstract
Platelets are small anucleate blood cells supporting vascular function. They circulate in a quiescent state monitoring the vasculature for injuries. Platelets adhere to injury sites and can be rapidly activated to secrete granules and to form platelet/platelet aggregates. These responses are controlled by signalling networks that include G proteins and their regulatory guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Recent proteomics studies have revealed the complete spectrum of G proteins, GEFs, and GAPs present in platelets. Some of these proteins are specific for platelets and very few have been characterised in detail. GEFs and GAPs play a major role in setting local levels of active GTP-bound G proteins in response to activating and inhibitory signals encountered by platelets. Thus, GEFs and GAPs are highly regulated themselves and appear to integrate G protein regulation with other cellular processes. This review focuses on GAPs of small G proteins of the Arf, Rab, Ras, and Rho families, as well as of heterotrimeric G proteins found in platelets.
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Affiliation(s)
- Lorna O'Donoghue
- UCD School of Medicine, University College Dublin, UCD Conway Institute, Belfield, Dublin 4, Ireland
- Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, 123 St. Stephen’s Green 123, Dublin 2, Ireland
| | - Albert Smolenski
- UCD School of Medicine, University College Dublin, UCD Conway Institute, Belfield, Dublin 4, Ireland
- Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, 123 St. Stephen’s Green 123, Dublin 2, Ireland
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4
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Russo I, Brookles CG, Barale C, Melchionda E, Mousavi AH, Biolè C, Chinaglia A, Bianco M. Current Strategies to Guide the Antiplatelet Therapy in Acute Coronary Syndromes. Int J Mol Sci 2024; 25:3981. [PMID: 38612792 PMCID: PMC11011739 DOI: 10.3390/ijms25073981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/28/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
The role of antiplatelet therapy in patients with acute coronary syndromes is a moving target with considerable novelty in the last few years. The pathophysiological basis of the treatment depends on platelet biology and physiology, and the interplay between these aspects and clinical practice must guide the physician in determining the best therapeutic options for patients with acute coronary syndromes. In the present narrative review, we discuss the latest novelties in the antiplatelet therapy of patients with acute coronary syndromes. We start with a description of platelet biology and the role of the main platelet signal pathways involved in platelet aggregation during an acute coronary syndrome. Then, we present the latest evidence on the evaluation of platelet function, focusing on the strengths and weaknesses of each platelet's function test. We continue our review by describing the role of aspirin and P2Y12 inhibitors in the treatment of acute coronary syndromes, critically appraising the available evidence from clinical trials, and providing current international guidelines and recommendations. Finally, we describe alternative therapeutic regimens to standard dual antiplatelet therapy, in particular for patients at high bleeding risk. The aim of our review is to give a comprehensive representation of current data on antiplatelet therapy in patients with acute coronary syndromes that could be useful both for clinicians and basic science researchers to be up-to-date on this complex topic.
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Affiliation(s)
- Isabella Russo
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Carola Griffith Brookles
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
- Department of Medical Sciences, University of Turin, I-10124 Turin, Italy
| | - Cristina Barale
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Elena Melchionda
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Amir Hassan Mousavi
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
- Department of Medical Sciences, University of Turin, I-10124 Turin, Italy
| | - Carloalberto Biolè
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
| | - Alessandra Chinaglia
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
| | - Matteo Bianco
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
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5
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Amoafo EB, Entsie P, Kang Y, Canobbio I, Liverani E. Platelet P2Y 12 signalling pathway in the dysregulated immune response during sepsis. Br J Pharmacol 2024; 181:532-546. [PMID: 37525937 PMCID: PMC10830899 DOI: 10.1111/bph.16207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 07/04/2023] [Accepted: 07/19/2023] [Indexed: 08/02/2023] Open
Abstract
Sepsis is a complicated pathological condition in response to severe infection. It is characterized by a strong systemic inflammatory response, where multiple components of the immune system are involved. Currently, there is no treatment for sepsis. Blood platelets are known for their role in haemostasis, but they also participate in inflammation through cell-cell interaction and the secretion of inflammatory mediators. Interestingly, an increase in platelet activation, secretion, and aggregation with other immune cells (such as monocytes, T-lymphocytes and neutrophils) has been detected in septic patients. Therefore, antiplatelet therapy in terms of P2Y12 antagonists has been evaluated as a possible treatment for sepis. It was found that blocking P2Y12 receptors decreased platelet marker expression and limited attachment to immune cells in some studies, but not in others. This review addresses the role of platelets in sepsis and discusses whether antagonizing P2Y12 signalling pathways can alter the disease outcome. Challenges in studying P2Y12 antagonists in sepsis also are discussed. LINKED ARTICLES: This article is part of a themed issue on Platelet purinergic receptor and non-thrombotic disease. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.4/issuetoc.
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Affiliation(s)
- Emmanuel Boadi Amoafo
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, USA
| | - Philomena Entsie
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, USA
| | - Ying Kang
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, USA
| | - Ilaria Canobbio
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - Elisabetta Liverani
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, USA
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Carvalho-Barbosa N, Zeidler JD, Savio LEB, Coutinho-Silva R. Purinergic signaling in the battlefield of viral infections. Purinergic Signal 2023:10.1007/s11302-023-09981-8. [PMID: 38038801 DOI: 10.1007/s11302-023-09981-8] [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: 09/28/2023] [Accepted: 11/19/2023] [Indexed: 12/02/2023] Open
Abstract
Purinergic signaling has been associated with immune defenses against pathogens such as bacteria, protozoa, fungi, and viruses, acting as a sentinel system that signals to the cells when a threat is present. This review focuses on the roles of purinergic signaling and its therapeutic potential for viral infections. In this context, the purinergic system may play potent antiviral roles by boosting interferon signaling. In other cases, though, it can contribute to a hyperinflammatory response and disease severity, resulting in poor outcomes, such as during flu and potentially COVID-19. Lastly, a third situation may occur since viruses are obligatory intracellular parasites that hijack the host cell machinery for their infection and replication. Viruses such as HIV-1 use the purinergic system to favor their infection and persistence within the host cell. Therefore, understanding the particular nuances of purinergic signaling in each viral infection may contribute to designing proper therapeutic strategies to treat viral diseases.
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Affiliation(s)
- Nayara Carvalho-Barbosa
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Edifício do Centro de Ciências da Saúde, Bloco G. Av. Carlos Chagas Filho, 373. Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Julianna Dias Zeidler
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Edifício do Centro de Ciências da Saúde, Bloco G. Av. Carlos Chagas Filho, 373. Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Luiz Eduardo Baggio Savio
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Edifício do Centro de Ciências da Saúde, Bloco G. Av. Carlos Chagas Filho, 373. Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Robson Coutinho-Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Edifício do Centro de Ciências da Saúde, Bloco G. Av. Carlos Chagas Filho, 373. Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21941-902, Brazil.
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7
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Kang Y, Amoafo EB, Entsie P, Beatty GL, Liverani E. A role for platelets in metabolic reprogramming of tumor-associated macrophages. Front Physiol 2023; 14:1250982. [PMID: 37693009 PMCID: PMC10484008 DOI: 10.3389/fphys.2023.1250982] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/09/2023] [Indexed: 09/12/2023] Open
Abstract
Cancer incidence and mortality are growing worldwide. With a lack of optimal treatments across many cancer types, there is an unmet need for the development of novel treatment strategies for cancer. One approach is to leverage the immune system for its ability to survey for cancer cells. However, cancer cells evolve to evade immune surveillance by establishing a tumor microenvironment (TME) that is marked by remarkable immune suppression. Macrophages are a predominant immune cell within the TME and have a major role in regulating tumor growth. In the TME, macrophages undergo metabolic reprogramming and differentiate into tumor-associated macrophages (TAM), which typically assume an immunosuppressive phenotype supportive of tumor growth. However, the plasticity of macrophage biology offers the possibility that macrophages may be promising therapeutic targets. Among the many determinants in the TME that may shape TAM biology, platelets can also contribute to cancer growth and to maintaining immune suppression. Platelets communicate with immune cells including macrophages through the secretion of immune mediators and cell-cell interaction. In other diseases, altering platelet secretion and cell-cell communication has been shown to reprogram macrophages and ameliorate inflammation. Thus, intervening on platelet-macrophage biology may be a novel therapeutic strategy for cancer. This review discusses our current understanding of the interaction between platelets and macrophages in the TME and details possible strategies for reprogramming macrophages into an anti-tumor phenotype for suppressing tumor growth.
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Affiliation(s)
- Ying Kang
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND, United States
| | - Emmanuel Boadi Amoafo
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND, United States
| | - Philomena Entsie
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND, United States
| | - Gregory L. Beatty
- Department of Medicine, Division of Hematology-Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Elisabetta Liverani
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND, United States
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8
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Arruvito L, Sananez I, Seery V, Russo C, Geffner J. Purinergic signaling pathway in severe COVID-19. Curr Opin Pharmacol 2023; 70:102379. [PMID: 37087844 PMCID: PMC10091870 DOI: 10.1016/j.coph.2023.102379] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 02/19/2023] [Accepted: 03/16/2023] [Indexed: 04/05/2023]
Abstract
Substantial efforts have been made to understand the immune response during severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, in order to identify and characterize risk factors, immune mechanisms responsible for the induction of tissue injury and potential therapeutic targets. Purinergic signaling pathway has shown to modulate the inflammatory processes in the course of several infectious diseases, but its role in the coronavirus disease 2019 (COVID-19) has not been clearly defined. Inflammation is usually associated to the release of ATP from different cell types, starting a cascade of events through the activation of a set of different purinergic receptors. This review summarizes the evidence showing the involvement of the purinergic system in the inflammatory condition that characterizes severe COVID-19.
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Affiliation(s)
- Lourdes Arruvito
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS). Facultad de Medicina. UBA-CONICET, Paraguay 2155, C1121ABG CABA, Argentina.
| | - Inés Sananez
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS). Facultad de Medicina. UBA-CONICET, Paraguay 2155, C1121ABG CABA, Argentina
| | - Vanesa Seery
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS). Facultad de Medicina. UBA-CONICET, Paraguay 2155, C1121ABG CABA, Argentina
| | - Constanza Russo
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS). Facultad de Medicina. UBA-CONICET, Paraguay 2155, C1121ABG CABA, Argentina
| | - Jorge Geffner
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS). Facultad de Medicina. UBA-CONICET, Paraguay 2155, C1121ABG CABA, Argentina
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9
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Entsie P, Kang Y, Amoafo EB, Schöneberg T, Liverani E. The Signaling Pathway of the ADP Receptor P2Y 12 in the Immune System: Recent Discoveries and New Challenges. Int J Mol Sci 2023; 24:6709. [PMID: 37047682 PMCID: PMC10095349 DOI: 10.3390/ijms24076709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/27/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
P2Y12 is a G-protein-coupled receptor that is activated upon ADP binding. Considering its well-established role in platelet activation, blocking P2Y12 has been used as a therapeutic strategy for antiplatelet aggregation in cardiovascular disease patients. However, receptor studies have shown that P2Y12 is functionally expressed not only in platelets and the microglia but also in other cells of the immune system, such as in monocytes, dendritic cells, and T lymphocytes. As a result, studies were carried out investigating whether therapies targeting P2Y12 could also ameliorate inflammatory conditions, such as sepsis, rheumatoid arthritis, neuroinflammation, cancer, COVID-19, atherosclerosis, and diabetes-associated inflammation in animal models and human subjects. This review reports what is known about the expression of P2Y12 in the cells of the immune system and the effect of P2Y12 activation and/or inhibition in inflammatory conditions. Lastly, we will discuss the major problems and challenges in studying this receptor and provide insights on how they can be overcome.
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Affiliation(s)
- Philomena Entsie
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND 58105, USA
| | - Ying Kang
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND 58105, USA
| | - Emmanuel Boadi Amoafo
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND 58105, USA
| | - Torsten Schöneberg
- Division of Molecular Biochemistry, Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, 04103 Leipzig, Germany
| | - Elisabetta Liverani
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND 58105, USA
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10
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Bian X, Yin S, Yang S, Jiang X, Wang J, Zhang M, Zhang L. Roles of platelets in tumor invasion and metastasis: A review. Heliyon 2022; 8:e12072. [PMID: 36506354 PMCID: PMC9730139 DOI: 10.1016/j.heliyon.2022.e12072] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/10/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022] Open
Abstract
The invasion and metastasis of malignant tumors are major causes of death. The most common metastases of cancer are lymphatic metastasis and hematogenous metastasis. Hematogenous metastasis often leads to rapid tumor dissemination. The mechanism of hematogenous metastasis of malignant tumors is very complex. Some experts have found that platelets play an important role in promoting tumor hematogenous metastasis. Platelets may be involved in many processes, such as promoting tumor cell survival, helping tumor cells escape immune surveillance, helping tumors attach to endothelial cells and penetrating capillaries for distant metastasis. However, recent studies have shown that platelets can also inhibit tumor metastasis. At present, the function of platelets in tumor progression has been widely studied, and they not only promote tumor cell metastasis, but also have an inhibitory effect. Therefore, in-depth and summary research of the molecular mechanism of platelets in tumor cell metastasis is of great significance for the screening and treatment of cancer patients. The following is a brief review of the role of platelets in the process of malignant tumor metastasis.
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Affiliation(s)
- Xiulan Bian
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin, Heilongjiang, China
| | - Shengjie Yin
- Department of Oncology, Chifeng City Hospital, Chifeng, Inner Mongolia, China
| | - Shuo Yang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin, Heilongjiang, China
| | - Xinju Jiang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin, Heilongjiang, China
| | - Jiaqi Wang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin, Heilongjiang, China
| | - Minghui Zhang
- Department of Oncology, Chifeng City Hospital, Chifeng, Inner Mongolia, China
| | - Lei Zhang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin, Heilongjiang, China
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11
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Albayati S, Li N, Unsworth AJ, Liverani E. Platelet-lymphocyte co-culture serves as an ex vivo platform of dynamic heterotypic cross-talk. J Cell Commun Signal 2022; 16:661-675. [PMID: 35414144 PMCID: PMC9733731 DOI: 10.1007/s12079-022-00676-0] [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: 08/05/2021] [Accepted: 03/16/2022] [Indexed: 12/13/2022] Open
Abstract
Platelets are well known for their roles in hemostasis and thrombosis, and are increasingly recognized for their abilities to interact with white blood cells during inflammatory diseases, via secreted soluble factors as well as cell-cell contact. This interaction has been investigated in animal models and patient samples and has shown to be implicated in patient outcomes in several diseases. Platelet-leukocyte co-cultures are widely used to study platelet-leukocyte interactions ex vivo. However, there is a paucity with regard to the systematic characterization of cell activation and functional behaviors of platelets and leukocytes in these co-cultures. Hence we aimed to characterize a model of platelet-leukocyte co-culture ex vivo. Human peripheral blood mononuclear cell (PBMC) and platelets were isolated and co-cultured for 5 days at 37 °C in the presence or absence of anti-CD3/CD28 antibodies or PHA. We evaluated PF-4 secretion and p-selectin expression in platelets as markers of platelet activation. Lymphocyte activation was assessed by cell proliferation and cell population phenotyping, in addition to platelet-lymphocyte aggregation. Platelet secretion and p-selectin expression is maintained throughout the co-culture, indicating that platelets were viable and reactive over the 5 days. Similarly PBMCs were viable and maintained proliferative capacity. Finally, dynamic heterotypic conjugation between platelets and T lymphocytes was also observed throughout co-culture (with a peak at days 3 and 4) upon T lymphocyte activation. In conclusion, this in vitro model can successfully mimic the in vivo interaction between platelets and T lymphocytes, and can be used to confirm and/or support in vivo results.
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Affiliation(s)
- Samara Albayati
- Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, USA
| | - Nailin Li
- Department of Medicine-Solna, Cardiovascular Medicine Unit, Karolinska Institutet, Stockholm, Sweden
| | - Amanda J Unsworth
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Manchester, M1 5GD, UK
| | - Elisabetta Liverani
- Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, USA.
- Department of Pharmaceutical Sciences, College of Health Professions, North Dakota State University, Fargo, ND, 58102, USA.
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12
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Amoafo EB, Entsie P, Albayati S, Dorsam GP, Kunapuli SP, Kilpatrick LE, Liverani E. Sex-related differences in the response of anti-platelet drug therapies targeting purinergic signaling pathways in sepsis. Front Immunol 2022; 13:1015577. [PMID: 36405709 PMCID: PMC9667743 DOI: 10.3389/fimmu.2022.1015577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/10/2022] [Indexed: 01/24/2023] Open
Abstract
Sepsis, a complex clinical syndrome resulting from a serious infection, is a major healthcare problem associated with high mortality. Sex-related differences in the immune response to sepsis have been proposed but the mechanism is still unknown. Purinergic signaling is a sex-specific regulatory mechanism in immune cell physiology. Our studies have shown that blocking the ADP-receptor P2Y12 but not P2Y1 receptor was protective in male mice during sepsis, but not female. We now hypothesize that there are sex-related differences in modulating P2Y12 or P2Y1 signaling pathways during sepsis. Male and female wild-type (WT), P2Y12 knock-out (KO), and P2Y1 KO mice underwent sham surgery or cecal ligation and puncture (CLP) to induce sepsis. The P2Y12 antagonist ticagrelor or the P2Y1 antagonist MRS2279 were administered intra-peritoneally after surgery to septic male and female mice. Blood, lungs and kidneys were collected 24 hours post-surgery. Sepsis-induced changes in platelet activation, secretion and platelet interaction with immune cells were measured by flow cytometry. Neutrophil infiltration in the lung and kidney was determined by a myeloperoxidase (MPO) colorimetric assay kit. Sepsis-induced platelet activation, secretion and aggregate formation were reduced in male CLP P2Y12 KO and in female CLP P2Y1 KO mice compared with their CLP WT counterpart. Sepsis-induced MPO activity was reduced in male CLP P2Y12 KO and CLP P2Y1 KO female mice. CLP males treated with ticagrelor or MRS2279 showed a decrease in sepsis-induced MPO levels in lung and kidneys, aggregate formation, and platelet activation as compared to untreated male CLP mice. There were no differences in platelet activation, aggregate formation, and neutrophil infiltration in lung and kidney between female CLP mice and female CLP mice treated with ticagrelor or MRS2279. In human T lymphocytes, blocking P2Y1 or P2Y12 alters cell growth and secretion in vitro in a sex-dependent manner, supporting the data obtained in mice. In conclusion, targeting purinergic signaling represents a promising therapy for sepsis but drug targeting purinergic signaling is sex-specific and needs to be investigated to determine sex-related targeted therapies in sepsis.
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Affiliation(s)
- Emmanuel Boadi Amoafo
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, United States
| | - Philomena Entsie
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, United States
| | - Samara Albayati
- Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, United States
| | - Glenn P. Dorsam
- Center for Inflammation and Lung Research, Department of Microbiology, Immunology and Inflammation, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Satya P. Kunapuli
- Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, United States
| | - Laurie E. Kilpatrick
- Department of Microbiological Sciences, College of Agriculture, Food Systems and Natural Resources, North Dakota State University, Fargo, ND, United States
| | - Elisabetta Liverani
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, ND, United States
- Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, United States
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13
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Chen Z, Wang G, Xie X, Liu H, Liao J, Shi H, Chen M, Lai S, Wang Z, Wu X. Ginsenoside Rg5 allosterically interacts with P2RY12 and ameliorates deep venous thrombosis by counteracting neutrophil NETosis and inflammatory response. Front Immunol 2022; 13:918476. [PMID: 36032109 PMCID: PMC9411522 DOI: 10.3389/fimmu.2022.918476] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/21/2022] [Indexed: 11/26/2022] Open
Abstract
Background Deep venous thrombosis (DVT) highly occurs in patients with severe COVID-19 and probably accounted for their high mortality. DVT formation is a time-dependent inflammatory process in which NETosis plays an important role. However, whether ginsenoside Rg5 from species of Panax genus could alleviate DVT and its underlying mechanism has not been elucidated. Methods The interaction between Rg5 and P2RY12 was studied by molecular docking, molecular dynamics, surface plasmon resonance (SPR), and molecular biology assays. The preventive effect of Rg5 on DVT was evaluated in inferior vena cava stasis–induced mice, and immunocytochemistry, Western blot, and calcium flux assay were performed in neutrophils from bone marrow to explore the mechanism of Rg5 in NETosis via P2RY12. Results Rg5 allosterically interacted with P2RY12, formed stable complex, and antagonized its activity via residue E188 and R265. Rg5 ameliorated the formation of thrombus in DVT mice; accompanied by decreased release of Interleukin (IL)-6, IL-1β, and tumor necrosis factor-α in plasma; and suppressed neutrophil infiltration and neutrophil extracellular trap (NET) release. In lipopolysaccharide- and platelet-activating factor–induced neutrophils, Rg5 reduced inflammatory responses via inhibiting the activation of ERK/NF-κB signaling pathway while decreasing cellular Ca2+ concentration, thus reducing the activity and expression of peptidyl arginine deiminase 4 to prevent NETosis. The inhibitory effect on neutrophil activity was dependent on P2RY12. Conclusions Rg5 could attenuate experimental DVT by counteracting NETosis and inflammatory response in neutrophils via P2RY12, which may pave the road for its clinical application in the prevention of DVT-related disorders.
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Affiliation(s)
- Ziyu Chen
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Gaorui Wang
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xueqing Xie
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Heng Liu
- School of Life Science and Technology, Shanghai Tech University, Shanghai, China
| | - Jun Liao
- School of Life Science and Technology, Shanghai Tech University, Shanghai, China
| | - Hailian Shi
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Min Chen
- Guangxi Key Laboratory of Comprehensive Utilization Technology of Pseudo-Ginseng, Wuzhou, China
| | - Shusheng Lai
- Guangxi Key Laboratory of Comprehensive Utilization Technology of Pseudo-Ginseng, Wuzhou, China
| | - Zhengtao Wang
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Xiaojun Wu, ; Zhengtao Wang,
| | - Xiaojun Wu
- Shanghai Key Laboratory of Compound Chinese Medicines, The Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, The State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Xiaojun Wu, ; Zhengtao Wang,
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Halim SA, Waqas M, Asim A, Khan M, Khan A, Al-Harrasi A. Discovering novel inhibitors of P2Y12 receptor using structure-based virtual screening, molecular dynamics simulation and MMPBSA approaches. Comput Biol Med 2022; 147:105743. [DOI: 10.1016/j.compbiomed.2022.105743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 06/07/2022] [Accepted: 06/11/2022] [Indexed: 11/16/2022]
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15
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Rawish E, Langer HF. Platelets and the Role of P2X Receptors in Nociception, Pain, Neuronal Toxicity and Thromboinflammation. Int J Mol Sci 2022; 23:6585. [PMID: 35743029 PMCID: PMC9224425 DOI: 10.3390/ijms23126585] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 12/24/2022] Open
Abstract
P2X receptors belong to a family of cation channel proteins, which respond to extracellular adenosine 5'-triphosphate (ATP). These receptors have gained increasing attention in basic and translational research, as they are central to a variety of important pathophysiological processes such as the modulation of cardiovascular physiology, mediation of nociception, platelet and macrophage activation, or neuronal-glial integration. While P2X1 receptor activation is long known to drive platelet aggregation, P2X7 receptor antagonists have recently been reported to inhibit platelet activation. Considering the role of both P2X receptors and platelet-mediated inflammation in neuronal diseases such as multiple sclerosis, Alzheimer's disease, Parkinson's disease, and stroke, targeting purinergic receptors may provide a valuable novel therapeutic approach in these diseases. Therefore, the present review illuminates the role of platelets and purinergic signaling in these neurological conditions to evaluate potential translational implications.
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Affiliation(s)
- Elias Rawish
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, 23538 Lübeck, Germany;
- University Hospital Schleswig-Holstein, Department of Cardiology, University Heart Center Lübeck, 23538 Lübeck, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Lübeck/Kiel, 23562 Lübeck, Germany
| | - Harald F. Langer
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, 23538 Lübeck, Germany;
- University Hospital Schleswig-Holstein, Department of Cardiology, University Heart Center Lübeck, 23538 Lübeck, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Lübeck/Kiel, 23562 Lübeck, Germany
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16
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Chen Z, Wei X, Dong S, Han F, He R, Zhou W. Challenges and Opportunities Associated With Platelets in Pancreatic Cancer. Front Oncol 2022; 12:850485. [PMID: 35494001 PMCID: PMC9039220 DOI: 10.3389/fonc.2022.850485] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/15/2022] [Indexed: 01/02/2023] Open
Abstract
Pancreatic cancer is one of the most common malignant tumors in the digestive system with a poor prognosis. Accordingly, better understanding of the molecular mechanisms and innovative therapies are warranted to improve the prognosis of this patient population. In addition to playing a crucial role in coagulation, platelets reportedly contribute to the growth, invasion and metastasis of various tumors, including pancreatic cancer. This narrative review brings together currently available evidence on the impact of platelets on pancreatic cancer, including the platelet-related molecular mechanisms of cancer promotion, pancreatic cancer fibrosis, immune evasion, drug resistance mechanisms, thrombosis, targeted platelet therapy, combined radiotherapy and chemotherapy treatment, platelet combined with nanotechnology treatment and potential applications of pancreatic cancer organoids. A refined understanding of the role of platelets in pancreatic cancer provides the foothold for identifying new therapeutic targets.
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Affiliation(s)
- Zhou Chen
- The First Clinical Medical College, Lanzhou University, Lanzhou, China
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xiaodong Wei
- Emergency Department, Gansu Provincial Hospital, Lanzhou, China
| | - Shi Dong
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
| | - Fangfang Han
- The First Clinical Medical College, Lanzhou University, Lanzhou, China
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
| | - Ru He
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
| | - Wence Zhou
- The First Clinical Medical College, Lanzhou University, Lanzhou, China
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
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17
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Medical Gas Plasma—A Potent ROS-Generating Technology for Managing Intraoperative Bleeding Complications. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12083800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cold medical gas plasmas are under pre-clinical investigation concerning their hemostatic activity and could be applied for intra-operative bleeding control in the future. The technological leap innovation was their generation at body temperature, thereby causing no thermal harm to the tissue and ensuring tissue integrity. This directly contrasts with current techniques such as electrocautery, which induces hemostasis by carbonizing the tissue using a heated electrode. However, the necrotized tissue is prone to fall, raising the risk of post-operative complications such as secondary bleedings or infection. In recent years, various studies have reported on the ability of medical gas plasmas to induce blood coagulation, including several suggestions concerning their mode of action. As non-invasive and gentle hemostatic agents, medical gas plasmas could be particularly eligible for vulnerable tissues, e.g., colorectal surgery and neurosurgery. Further, their usage could be beneficial regarding the prevention of post-operative bleedings due to the absence or sloughing of eschar. However, no clinical trials or individual healing attempts for medical gas plasmas have been reported to pave the way for clinical approvement until now, despite promising results in experimental animal models. In this light, the present mini-review aims to emphasize the potential of medical gas plasmas to serve as a hemostatic agent in clinical procedures. Providing a detailed overview of the current state of knowledge, feasible application fields are discussed, and possible obstacles are addressed.
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18
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Rovati G, Contursi A, Bruno A, Tacconelli S, Ballerini P, Patrignani P. Antiplatelet Agents Affecting GPCR Signaling Implicated in Tumor Metastasis. Cells 2022; 11:725. [PMID: 35203374 PMCID: PMC8870128 DOI: 10.3390/cells11040725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/10/2022] [Accepted: 02/16/2022] [Indexed: 11/16/2022] Open
Abstract
Metastasis requires that cancer cells survive in the circulation, colonize distant organs, and grow. Despite platelets being central contributors to hemostasis, leukocyte trafficking during inflammation, and vessel stability maintenance, there is significant evidence to support their essential role in supporting metastasis through different mechanisms. In addition to their direct interaction with cancer cells, thus forming heteroaggregates such as leukocytes, platelets release molecules that are necessary to promote a disseminating phenotype in cancer cells via the induction of an epithelial-mesenchymal-like transition. Therefore, agents that affect platelet activation can potentially restrain these prometastatic mechanisms. Although the primary adhesion of platelets to cancer cells is mainly independent of G protein-mediated signaling, soluble mediators released from platelets, such as ADP, thromboxane (TX) A2, and prostaglandin (PG) E2, act through G protein-coupled receptors (GPCRs) to cause the activation of more additional platelets and drive metastatic signaling pathways in cancer cells. In this review, we examine the contribution of the GPCRs of platelets and cancer cells in the development of cancer metastasis. Finally, the possible use of agents affecting GPCR signaling pathways as antimetastatic agents is discussed.
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Affiliation(s)
- Gianenrico Rovati
- Department of Pharmaceutical Sciences, University of Milan, 20122 Milan, Italy;
| | - Annalisa Contursi
- Laboratory of Systems Pharmacology and Translational Therapies, Center for Advanced Studies and Technology (CAST), School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy; (A.C.); (A.B.); (S.T.); (P.B.)
- Department of Neuroscience, Imaging and Clinical Science, School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy
| | - Annalisa Bruno
- Laboratory of Systems Pharmacology and Translational Therapies, Center for Advanced Studies and Technology (CAST), School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy; (A.C.); (A.B.); (S.T.); (P.B.)
- Department of Neuroscience, Imaging and Clinical Science, School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy
| | - Stefania Tacconelli
- Laboratory of Systems Pharmacology and Translational Therapies, Center for Advanced Studies and Technology (CAST), School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy; (A.C.); (A.B.); (S.T.); (P.B.)
- Department of Neuroscience, Imaging and Clinical Science, School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy
| | - Patrizia Ballerini
- Laboratory of Systems Pharmacology and Translational Therapies, Center for Advanced Studies and Technology (CAST), School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy; (A.C.); (A.B.); (S.T.); (P.B.)
- Department of Innovative Technologies in Medicine and Dentistry, “G. d’Annunzio” University, 66100 Chieti, Italy
| | - Paola Patrignani
- Laboratory of Systems Pharmacology and Translational Therapies, Center for Advanced Studies and Technology (CAST), School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy; (A.C.); (A.B.); (S.T.); (P.B.)
- Department of Neuroscience, Imaging and Clinical Science, School of Medicine, “G. d’Annunzio” University, 66100 Chieti, Italy
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19
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Díaz-García E, García-Tovar S, Alfaro E, Zamarrón E, Mangas A, Galera R, Ruíz-Hernández JJ, Solé-Violán J, Rodríguez-Gallego C, Van-Den-Rym A, Pérez-de-Diego R, Nanwani-Nanwani K, López-Collazo E, García-Rio F, Cubillos-Zapata C. Role of CD39 in COVID-19 Severity: Dysregulation of Purinergic Signaling and Thromboinflammation. Front Immunol 2022; 13:847894. [PMID: 35173744 PMCID: PMC8841513 DOI: 10.3389/fimmu.2022.847894] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/13/2022] [Indexed: 12/24/2022] Open
Abstract
CD39/NTPDase1 has emerged as an important molecule that contributes to maintain inflammatory and coagulatory homeostasis. Various studies have hypothesized the possible role of CD39 in COVID-19 pathophysiology since no confirmatory data shed light in this regard. Therefore, we aimed to quantify CD39 expression on COVID-19 patients exploring its association with severity clinical parameters and ICU admission, while unraveling the role of purinergic signaling on thromboinflammation in COVID-19 patients. We selected a prospective cohort of patients hospitalized due to severe COVID-19 pneumonia (n=75), a historical cohort of Influenza A pneumonia patients (n=18) and sex/age-matched healthy controls (n=30). CD39 was overexpressed in COVID-19 patients’ plasma and immune cell subsets and related to hypoxemia. Plasma soluble form of CD39 (sCD39) was related to length of hospital stay and independently associated with intensive care unit admission (adjusted odds ratio 1.04, 95%CI 1.0-1.08, p=0.038), with a net reclassification index of 0.229 (0.118-0.287; p=0.036). COVID-19 patients showed extracellular accumulation of adenosine nucleotides (ATP and ADP), resulting in systemic inflammation and pro-coagulant state, as a consequence of purinergic pathway dysregulation. Interestingly, we found that COVID-19 plasma caused platelet activation, which was successfully blocked by the P2Y12 receptor inhibitor, ticagrelor. Therefore, sCD39 is suggested as a promising biomarker for COVID-19 severity. As a conclusion, our study indicates that CD39 overexpression in COVID-19 patients could be indicating purinergic signaling dysregulation, which might be at the basis of COVID-19 thromboinflammation disorder.
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Affiliation(s)
- Elena Díaz-García
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
| | - Sara García-Tovar
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
| | - Enrique Alfaro
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
| | - Ester Zamarrón
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
| | - Alberto Mangas
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
| | - Raúl Galera
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
| | - José Juan Ruíz-Hernández
- Department of Internal Medicine, Gran Canaria Dr Negrín University Hospital, Gran Canaria, Spain
| | - Jordi Solé-Violán
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
- Intensitive Care Medicine, Gran Canaria Dr Negrín University Hospital, Gran Canaria, Spain
| | - Carlos Rodríguez-Gallego
- Departament of Immunology, Gran Canaria Dr Negrín University Hospital, Gran Canaria, Spain
- Department of Clinical Sciences, University Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
| | - Ana Van-Den-Rym
- Laboratory of Immunogenetics of Human Diseases, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Interdepartmental Group of Immunodeficiencies, Madrid, Spain
| | - Rebeca Pérez-de-Diego
- Laboratory of Immunogenetics of Human Diseases, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Interdepartmental Group of Immunodeficiencies, Madrid, Spain
| | | | - Eduardo López-Collazo
- The Innate Immune Response Group, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
| | - Francisco García-Rio
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
- Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
- *Correspondence: Francisco García-Rio, ; Carolina Cubillos-Zapata,
| | - Carolina Cubillos-Zapata
- Respiratory Diseases Group, Respiratory Service, La Paz University Hospital, Instituto de Investigación Biomédica del Hospital Universitario la Paz (IdiPAZ), Madrid, Spain
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
- *Correspondence: Francisco García-Rio, ; Carolina Cubillos-Zapata,
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20
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Al-Najjar BO, Saqallah FG, Abbas MA, Al-Hijazeen SZ, Sibai OA. P2Y 12 antagonists: Approved drugs, potential naturally isolated and synthesised compounds, and related in-silico studies. Eur J Med Chem 2022; 227:113924. [PMID: 34731765 DOI: 10.1016/j.ejmech.2021.113924] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 09/27/2021] [Accepted: 10/13/2021] [Indexed: 12/12/2022]
Abstract
P2Y12 is a platelet surface protein which is responsible for the amplification of P2Y1 response. It plays a crucial role in platelet aggregation and thrombus formation through an ADP-induced platelet activation mechanism. Despite that P2Y12 platelets' receptor is an excellent target for developing antiplatelet agents, only five approved medications are currently in clinical use which are classified into thienopyridines and nucleoside-nucleotide derivatives. In the past years, many attempts for developing new candidates as P2Y12 inhibitors have been made. This review highlights the importance and the role of P2Y12 receptor as part of the coagulation cascade, its reported congenital defects, and the type of assays which are used to verify and measure its activity. Furthermore, an overview is given of the clinically approved medications, the potential naturally isolated inhibitors, and the synthesised candidates which were tested either in-vitro, in-vivo and/or clinically. Finally, we outline the in-silico attempts which were carried out using virtual screening, molecular docking and dynamics simulations in efforts of designing novel P2Y12 antagonists. Various phytochemical classes might be considered as a corner stone for the discovery of novel P2Y12 inhibitors, whereas a wide range of ring systems can be deliberated as leading scaffolds in that area synthetically and theoretically.
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Affiliation(s)
- Belal O Al-Najjar
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Al-Ahliyya Amman University, 19328, Amman, Jordan; Pharmacological and Diagnostic Research Lab, Al-Ahliyya Amman University, 19328, Amman, Jordan.
| | - Fadi G Saqallah
- Pharmaceutical Design and Simulation (PhDS) Laboratory, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - Manal A Abbas
- Pharmacological and Diagnostic Research Lab, Al-Ahliyya Amman University, 19328, Amman, Jordan; Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences, Al-Ahliyya Amman University, 19328, Amman, Jordan
| | | | - Obada A Sibai
- Faculty of Pharmacy, Al-Ahliyya Amman University, 19328, Amman, Jordan
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21
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Defaye M, Abdullah NS, Iftinca M, Hassan A, Agosti F, Zhang Z, Cumenal M, Zamponi GW, Altier C. Gut-innervating TRPV1+ Neurons Drive Chronic Visceral Pain via Microglial P2Y12 Receptor. Cell Mol Gastroenterol Hepatol 2021; 13:977-999. [PMID: 34954381 PMCID: PMC8867057 DOI: 10.1016/j.jcmgh.2021.12.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/15/2021] [Accepted: 12/15/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND & AIMS Chronic abdominal pain is a common symptom of inflammatory bowel diseases (IBDs). Peripheral and central mechanisms contribute to the transition from acute to chronic pain during active disease and clinical remission. Lower mechanical threshold and hyperexcitability of visceral afferents induce gliosis in central pain circuits, leading to persistent visceral hypersensitivity (VHS). In the spinal cord, microglia, the immune sentinels of the central nervous system, undergo activation in multiple models of VHS. Here, we investigated the mechanisms of microglia activation to identify centrally acting analgesics for chronic IBD pain. METHODS Using Designer Receptors Exclusively Activated by Designer Drugs (DREADD) expressed in transient receptor potential vanilloid member 1-expressing visceral neurons that sense colonic inflammation, we tested whether neuronal activity was indispensable to control microglia activation and VHS. We then investigated the neuron-microglia signaling system involved in visceral pain chronification. RESULTS We found that chemogenetic inhibition of transient receptor potential vanilloid member 1+ visceral afferents prevents microglial activation in the spinal cord and subsequent VHS in colitis mice. In contrast, chemogenetic activation, in the absence of colitis, enhanced microglial activation associated with VHS. We identified a purinergic signaling mechanism mediated by neuronal adenosine triphosphate (ATP) and microglial P2Y12 receptor, triggering VHS in colitis. Inhibition of P2RY12 prevented microglial reactivity and chronic VHS post-colitis. CONCLUSIONS Overall, these data provide novel insights into the central mechanisms of chronic visceral pain and suggest that targeting microglial P2RY12 signaling could be harnessed to relieve pain in patients with IBD who are in remission.
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Affiliation(s)
- Manon Defaye
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Nasser S. Abdullah
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Mircea Iftinca
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Ahmed Hassan
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Francina Agosti
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Zizhen Zhang
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada,Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Melissa Cumenal
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada
| | - Gerald W. Zamponi
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada,Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Christophe Altier
- Department of Physiology and Pharmacology, Calgary, Alberta, Canada,Inflammation Research Network-Snyder Institute for Chronic Diseases, Calgary, Alberta, Canada,Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada,Correspondence Address correspondence to: Christophe Altier, PhD, Associate Professor, Canada Research Chair in Inflammatory Pain, Department of Physiology & Pharmacology, Inflammation Research Network, Snyder Institute for Chronic Diseases, University of Calgary, HS 1665, 3330 Hospital Dr NW, Calgary, AB, T2N4N1 Canada. tel: (403) 220-7549.
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P 2Y 12 receptor blockers are anti-inflammatory drugs inhibiting both circulating monocytes and macrophages including THP-1 cells. Sci Rep 2021; 11:17459. [PMID: 34465804 PMCID: PMC8408182 DOI: 10.1038/s41598-021-95710-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 07/22/2021] [Indexed: 01/11/2023] Open
Abstract
P2Y12 blockade improves patient outcomes after myocardial infarction. As well as antithrombotic effects, anti-inflammatory effects may contribute to this beneficial clinical outcome. Here we aimed to identify potential anti-inflammatory effects of P2Y12 receptor blockers on monocytes and macrophages. Using flow cytometry, migration assays, flow chambers and RNA microarrays, we investigated the effects of adenosine diphosphate (ADP) and P2Y12 receptor blockers on blood monocytes, THP-1 monocytes and THP-1 monocytes after differentiation to macrophages. P2Y12 -expressing platelets can form aggregates with monocytes in circulating blood. Mediated by platelets, ADP results in activation of the integrin receptor Mac-1 on blood monocytes, as detected by the conformation-specific single-chain antibody MAN-1. Via the same association with platelets, THP-1 monocyte adhesion to the endothelial intercellular adhesion molecule 1 (ICAM-1) is induced by ADP. P2Y12 receptor blockers prevent these ADP effects on monocytes. Interestingly, in contrast to THP-1 monocytes, THP-1 monocytes, after differentiation to macrophages, directly expressed the P2Y12 receptor and consequently ADP was found to be a potent chemoattractant. Again, P2Y12 receptor blockers antagonised this effect. Accordingly, stimulation of THP-1 macrophages with ADP caused a substantial change in gene expression pattern and upregulation of several genes associated with inflammation and atherogenesis. These data establish novel anti-inflammatory effects of P2Y12 receptor blockers on monocytes and macrophages, which are expected to contribute to cardiovascular risk reduction.
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23
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Zadeh Mehrizi T, Amini Kafiabad S. Evaluation of the effects of nanoparticles on the therapeutic function of platelet: a review. J Pharm Pharmacol 2021; 74:179-190. [PMID: 34244798 DOI: 10.1093/jpp/rgab089] [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: 02/08/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Nanotechnology and nanoparticles are used in different applications in disease monitoring and therapy in contact with blood. Nanoparticles showed different effects on blood components and reduced or improved the function of therapeutic platelet during the storage time. This review study was performed to evaluate the impacts of various sizes and charges of nanoparticles on platelet function and storage time. The present review contains the literature between 2010 and 2020. The data have been used from different sites such as PubMed, Wiley, ScienceDirect and online electronic journals. KEY FINDINGS From the literature survey, it has been demonstrated that among various properties, size and charge of nanoparticles were critical on the function of therapeutic platelet during the storage and inhibition of their aggregation. Overall, this study described that nanoparticles with smaller size and negative charge were more effective in increasing the survival time, inhibition of aggregation and improving the function of therapeutic platelet. SUMMARY Based on the current review, it can be confirmed that nanoparticles such as dendrimer, Au, Ag and iron oxide nanoparticles with smaller size and negative charge have significant advantages for improving the efficacy of platelets during the storage chain and inhibition of their aggregation.
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Affiliation(s)
- Tahereh Zadeh Mehrizi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Sedigheh Amini Kafiabad
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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24
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Tian Q, Li SM, Li B. The Pro-Gly or Hyp-Gly Containing Peptides from Absorbates of Fish Skin Collagen Hydrolysates Inhibit Platelet Aggregation and Target P 2Y 12 Receptor by Molecular Docking. Foods 2021; 10:1553. [PMID: 34359423 PMCID: PMC8303285 DOI: 10.3390/foods10071553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 11/26/2022] Open
Abstract
Previous studies found that the collagen hydrolysates of fish skin have antiplatelet activity, but this component remained unknown. In this study, eleven peptides were isolated and identified in the absorbates of Alcalase-hydrolysates and Protamex®-hydrolysates of skin collagen of H. Molitrix by reverse-phase C18 column and HPLC-MS/MS. Nine of them contained a Pro-Gly (PG) or Hyp-Gly (OG) sequence and significantly inhibited ADP-induced platelet aggregation in vitro, which suggested that the PG(OG) sequence is the core sequence of collagen peptides with antiplatelet activity. Among them, OGSA has the strongest inhibiting activities against ADP-induced platelet aggregation in vitro (IC50 = 0.63 mM), and OGSA inhibited the thrombus formation in rats at a dose of 200 μM/kg.bw with no risk of bleeding. The molecular docking results implied that the OG-containing peptides might target the P2Y12 receptor and form hydrogen bonds with the key sites Cys97, Ser101, and Lys179. As the sequence PG(OG) is abundant in the collagen amino acid sequence of H. Molitrix, the collagen hydrolysates of H. Molitrix might have great potential for being developed as dietary supplements to prevent cardiovascular diseases in the future.
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Affiliation(s)
- Qi Tian
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.T.); (S.-M.L.)
| | - Shi-Ming Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.T.); (S.-M.L.)
| | - Bo Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Q.T.); (S.-M.L.)
- Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China
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25
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Molecular pharmacology of P2Y receptor subtypes. Biochem Pharmacol 2020; 187:114361. [PMID: 33309519 DOI: 10.1016/j.bcp.2020.114361] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 02/06/2023]
Abstract
Professor Geoffrey Burnstock proposed the concept of purinergic signaling via P1 and P2 receptors. P2Y receptors are G-protein-coupled receptors (GPCRs) for extracellular adenine and uracil nucleotides. Eight mammalian P2Y receptor subtypes have been identified. They are divided into two subgroups (P2Y1, P2Y2, P2Y4, P2Y6, and P2Y11) and (P2Y12, P2Y13, and P2Y14). P2Y receptors are found in almost all cells and mediate responses in physiology and pathophysiology including pain and inflammation. The antagonism of platelet P2Y12 receptors by cangrelor, ticagrelor or active metabolites of the thienopyridine compounds ticlopidine, clopidogrel and prasugrel reduces the ADP-induced platelet aggregation in patients with thrombotic complications of vascular diseases. The nucleotide agonist diquafosol acting at P2Y2 receptors is used for the treatment of the dry eye syndrome. Structural information obtained by crystallography of the human P2Y1 and P2Y12 receptor proteins, site-directed mutagenesis and molecular modeling will facilitate the rational design of novel selective drugs.
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26
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Albayati S, Vemulapalli H, Tsygankov AY, Liverani E. P2Y 12 antagonism results in altered interactions between platelets and regulatory T cells during sepsis. J Leukoc Biol 2020; 110:141-153. [PMID: 33242353 DOI: 10.1002/jlb.3a0220-097r] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Sepsis is a complex clinical condition resulting from a serious bloodstream infection. With mortality rates as high as 50%, improved treatments are needed. Regulatory T cells (Tregs), a subset of T lymphocytes, promote the resolution of inflammation. Septic patients have elevated levels of circulating Tregs. Platelets influence the proliferation and activation of Tregs in vitro. However, modulating platelet-Tregs interaction during sepsis may restraing Treg proliferation, leading to the restoration of immunologic homeostasis. P2Y12 is a purinergic receptor present on platelets and T lymphocytes. Blocking P2Y12 improves the outcome of sepsis. We investigated whether blocking P2Y12 alters platelet-Treg interaction in vivo. We used the murine model of sepsis, cecal ligation, and puncture (CLP) and we blocked P2Y12 using the P2Y12 antagonist, clopidogrel. Twenty-four hours after surgery, we measured Treg population sizes in the spleens of the Sham, CLP, and CLP + clopidogrel groups. We investigated the effect of blocking P2Y12 in vitro using cocultures of human platelets and T cells with or without anti-CD3/CD28. P2Y12 was blocked using AR-C69931MX. Treg population sizes were reduced in the septic mice treated with clopidogrel compared with untreated septic mice. Aggregation of platelets and CD4+ T cells was reduced in treated CLP mice compared with untreated CLP mice. P2Y12 antagonism changes how platelets influence T cells in vitro, depending on T-cell activation. In conclusion, blockade of the P2Y12 signaling pathway restrains Treg proliferation in vivo and in vitro. Targeting platelets to control Treg proliferation and activity may be a promising strategy for treating sepsis.
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Affiliation(s)
- Samara Albayati
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA
| | - Harika Vemulapalli
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA
| | - Alexander Y Tsygankov
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA.,Department of Microbiology and Immunology Temple University School of Medicine, Temple University Hospital, Philadelphia, Pennsylvania, USA
| | - Elisabetta Liverani
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA
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27
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Huang M, Wu H, Wu J, Chen Q, Zou D, Xu D. Prevention of platelet aggregation and arterial thrombosis using a modified Shenzhu Guanxin Formula. J Int Med Res 2020; 48:300060520941326. [PMID: 33086881 PMCID: PMC7586491 DOI: 10.1177/0300060520941326] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 06/18/2020] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE Modified Shenzhu Guanxin Formula (mSGF) has beneficial effects in coronary artery disease. Previously, we found that mSGF inhibited platelet aggregation in rats. In the present study we further investigated the antiplatelet and antithrombotic activities of mSGF in rats. METHODS Rats were orally administered mSGF (4.2, 8.4, or 16.8 g crude drug/kg), the adenosine 5'-diphosphate (ADP) receptor antagonist clopidogrel (7.875 mg/kg), or saline once a day for 7 days. The effects of mSGF on platelet aggregation were measured. Levels of cyclic adenosine monophosphate (cAMP) and phosphoinositide 3-kinase (PI3K) signaling were analyzed by ELISA and western blotting, respectively. The antithrombotic effect of mSGF was investigated using a FeCl3-induced carotid arterial thrombosis model and effects on bleeding time were assessed in a rat tail transection model. RESULTS mSGF significantly inhibited ADP-induced platelet aggregation in a dose-dependent manner, elevated cAMP levels and inhibited phosphorylation of extracellular signal-regulated kinase (ERK) and PI3K/protein kinase B (Akt). Moreover, mSGF dose-dependently inhibited thrombosis in a FeCl3-induced carotid arterial thrombus model and had a significantly smaller effect on bleeding time compared with clopidogrel. CONCLUSIONS mSGF represents a potent and safe antithrombotic agent whose antiplatelet activity is probably mediated through blockade of PI3K/Akt signaling and increased cAMP generation.
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Affiliation(s)
- Manting Huang
- Department of Cardiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P.R. China
| | - Huanlin Wu
- Department of Cardiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P.R. China
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, P.R. China
| | - Jianping Wu
- Department of Cardiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P.R. China
| | - Qiuxiong Chen
- Department of Cardiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P.R. China
| | - Dezhi Zou
- Emergency Department, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Danping Xu
- Department of Cardiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P.R. China
- Postdoctoral Research Center, Fujian University of Traditional Chinese Medicine, Fujian, P.R. China
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28
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Gąsecka A, Rogula S, Eyileten C, Postuła M, Jaguszewski MJ, Kochman J, Mazurek T, Nieuwland R, Filipiak KJ. Role of P2Y Receptors in Platelet Extracellular Vesicle Release. Int J Mol Sci 2020; 21:ijms21176065. [PMID: 32842470 PMCID: PMC7504123 DOI: 10.3390/ijms21176065] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/18/2020] [Accepted: 08/19/2020] [Indexed: 12/23/2022] Open
Abstract
Platelet extracellular vesicles (PEVs) are potential new biomarkers of platelet activation which may allow us to predict and/or diagnose developing coronary thrombosis before myocardial necrosis occurs. The P2Y1 and P2Y12 receptors play a key role in platelet activation and aggregation. Whereas the P2Y1 antagonists are at the preclinical stage, at present, the P2Y12 antagonists are the most effective treatment strategy to prevent stent thrombosis after percutaneous coronary intervention. Despite an increasing number of publications on PEVs, the mechanisms underlying their formation, including the role of purinergic receptors in this process, remain an active research field. Here, we outline the clinical relevance of PEVs in cardiovascular disease, summarize the role and downstream signalling of P2Y receptors in platelet activation, and discuss the available evidence regarding their role in PEV formation.
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Affiliation(s)
- Aleksandra Gąsecka
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-106 Warsaw, Poland; (S.R.); (J.K.); (T.M.); (K.J.F.)
- Laboratory Experimental Clinical Chemistry, and Vesicle Observation Center, Amsterdam UMC, University of Amsterdam, 1012 WX Amsterdam, The Netherlands
- Correspondence: ; Tel.:+48-22-599-19-51
| | - Sylwester Rogula
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-106 Warsaw, Poland; (S.R.); (J.K.); (T.M.); (K.J.F.)
| | - Ceren Eyileten
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Medical University of Warsaw, 02-097 Warsaw, Poland; (C.E.); (M.P.); (R.N.)
| | - Marek Postuła
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Medical University of Warsaw, 02-097 Warsaw, Poland; (C.E.); (M.P.); (R.N.)
| | | | - Janusz Kochman
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-106 Warsaw, Poland; (S.R.); (J.K.); (T.M.); (K.J.F.)
| | - Tomasz Mazurek
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-106 Warsaw, Poland; (S.R.); (J.K.); (T.M.); (K.J.F.)
| | - Rienk Nieuwland
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Medical University of Warsaw, 02-097 Warsaw, Poland; (C.E.); (M.P.); (R.N.)
| | - Krzysztof J. Filipiak
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-106 Warsaw, Poland; (S.R.); (J.K.); (T.M.); (K.J.F.)
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Chaudhary PK, Kim S, Jee Y, Lee SH, Park KM, Kim S. Role of GRK6 in the Regulation of Platelet Activation through Selective G Protein-Coupled Receptor (GPCR) Desensitization. Int J Mol Sci 2020; 21:ijms21113932. [PMID: 32486261 PMCID: PMC7312169 DOI: 10.3390/ijms21113932] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/25/2020] [Accepted: 05/28/2020] [Indexed: 12/27/2022] Open
Abstract
Platelet G protein-coupled receptors (GPCRs) regulate platelet function by mediating the response to various agonists, including adenosine diphosphate (ADP), thromboxane A2, and thrombin. Although GPCR kinases (GRKs) are considered to have the crucial roles in most GPCR functions, little is known regarding the regulation of GPCR signaling and mechanisms of GPCR desensitization by GRKs in platelets. In this study, we investigated the functional role of GRK6 and the molecular basis for regulation of specific GPCR desensitization by GRK6 in platelets. We used GRK6 knockout mice to evaluate the functional role of GRK6 in platelet activation. Platelet aggregation, dense- and α-granule secretion, and fibrinogen receptor activation induced by 2-MeSADP, U46619, thrombin, and AYPGKF were significantly potentiated in GRK6−/− platelets compared to the wild-type (WT) platelets. However, collagen-related peptide (CRP)-induced platelet aggregation and secretion were not affected in GRK6−/− platelets. Interestingly, platelet aggregation induced by co-stimulation of serotonin and epinephrine which activate Gq-coupled 5HT2A and Gz-coupled α2A adrenergic receptors, respectively, was not affected in GRK6−/− platelets, suggesting that GRK6 was involved in specific GPCR regulation. In addition, platelet aggregation in response to the second challenge of ADP and AYPGKF was restored in GRK6−/− platelets whereas re-stimulation of the agonist failed to induce aggregation in WT platelets, indicating that GRK6 contributed to P2Y1, P2Y12, and PAR4 receptor desensitization. Furthermore, 2-MeSADP-induced Akt phosphorylation and AYPGKF-induced Akt, extracellular signal-related kinase (ERK), and protein kinase Cδ (PKCδ) phosphorylation were significantly potentiated in GRK6−/− platelets. Finally, GRK6−/− mice exhibited an enhanced and stable thrombus formation after FeCl3 injury to the carotid artery and shorter tail bleeding times, indicating that GRK6−/− mice were more susceptible to thrombosis and hemostasis. We conclude that GRK6 plays an important role in regulating platelet functional responses and thrombus formation through selective GPCR desensitization.
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Affiliation(s)
- Preeti Kumari Chaudhary
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea; (P.K.C.); (S.K.); (S.-H.L.); (K.-M.P.)
| | - Sanggu Kim
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea; (P.K.C.); (S.K.); (S.-H.L.); (K.-M.P.)
| | - Youngheun Jee
- College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju 63243, Korea;
| | - Seung-Hun Lee
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea; (P.K.C.); (S.K.); (S.-H.L.); (K.-M.P.)
| | - Kyung-Mee Park
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea; (P.K.C.); (S.K.); (S.-H.L.); (K.-M.P.)
| | - Soochong Kim
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea; (P.K.C.); (S.K.); (S.-H.L.); (K.-M.P.)
- Correspondence: ; Tel.: +82-43-249-1846
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30
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Shatoor AS, Shati A, Humayed SA, Al-Qahtani S, Alkhateeb M. Opposite Modulatory Effects of Crataegus aronia Aqueous Extract on Platelet Aggregation in Rats. Chin J Integr Med 2020; 27:696-704. [PMID: 32418179 DOI: 10.1007/s11655-020-3187-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To reveal the mechanisms behind the dual effects of Crataegus aronia (C. aronia) aqueous extract on platelet aggregation by focusing on function, regulation, expression, and signaling of platelets P2Y12 receptors. METHODS Adult male Wistar rats (120 ± 10 g) were classified as control received the vehicle, C. aronia (200 mg/kg), and C. aronia (2,000 mg/kg)-treated rats. After treatments for consecutive 7 days, hematological and molecular experiments were conducted to detect alterations in platelet aggregation, thromboxane B2 (THXB2) and intracellular reactive oxygen species (ROS) content; protein levels of P2Y12, p-Akt, cyclic adenosine monophosphate (cAMP), phosphorylated vasodilator-stimulated-phosphoprotein (p-VASP), nuclear factor κB (NF-κB), P-selectin, and etc. in platelets were determined by Western blot; mRNA expressions of P2Y12 and some inflammatory markers were determined by real-time polymerase chain reaction. RESULTS At a concentration of 200 mg/kg, C. aronia inhibited platelet aggregation through multiple interconnected mechanisms including downregulation P2Y12 synthesis and expression, stimulating intracellular cAMP levels and protein levels of p-VASP, inhibiting platelets THXB2 release and protein levels of P-selectin. Also, it inhibited platelets level of ROS and of NF-κB, a major signaling pathway that stimulates the expression of P2Y12 and THXA2 synthesis. Opposite findings were seen in platelets of rats received C. aronia at a concentration of 2,000 mg/kg. Interestingly, co-administration of N-acetylcysteine prevented all hematological and molecular alterations exerted by the high dose of the extract and inhibited platelet aggregation. CONCLUSION Oral administration of C. aronia at low dose inhibits platelet aggregation by reducing THXB2 release, expression of P-selectin and activating cAMP and Akt signaling through two major mechanisms including downregulation of P2Y12 and inhibition of ROS-induced activation of NF-κB, an effect that is observed to be in the opposite direction with its high dose.
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Affiliation(s)
- Abdullah S Shatoor
- Department of Medicine, Cardiology Section, College of Medicine, King Khalid University, Abha, 64121, Saudi Arabia.
| | - Ali Shati
- Department of Biology, College of Science, College of Medicine, King Khalid University, Abha, 64121, Saudi Arabia
| | - S Al Humayed
- Department of Medicine, Cardiology Section, College of Medicine, King Khalid University, Abha, 64121, Saudi Arabia
| | - Sultan Al-Qahtani
- Department of Physiology, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, 11481, Saudi Arabia
| | - Mahmoud Alkhateeb
- Department of Physiology, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, 11481, Saudi Arabia
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31
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Satti HH, Khaleel EF, Badi RM, Elrefaie AO, Mostafa DG. Antiplatelet activity of astaxanthin in control- and high cholesterol-fed rats mediated by down-regulation of P2Y 12, inhibition of NF-κB, and increasing intracellular levels of cAMP. Platelets 2020; 32:469-478. [PMID: 32379559 DOI: 10.1080/09537104.2020.1756237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This study evaluated the antiplatelet effect of the plant carotenoid, astaxanthin (ASTX) in rats fed either control or high cholesterol plus cholic acid diet (HCCD) and possible underlying mechanisms. Adult male Wistar rats were divided into four groups (n = 8/each), namely, control (fed normal diet), control + ASTX (10 mg/kg/day), HCCD-fed rats, and HCCD + ASTX-treated rats. Diets and treatments were orally administered daily for 30 days. In both control and HCCD-fed rats, ASTX significantly increased fecal levels of triglycerides and cholesterol, reduced platelet count, prolonged bleeding time, and inhibited platelet aggregation. It also reduced platelet levels of reactive oxygen species (ROS) and Bcl-2; thromboxane B2 (TXB2) release; and the expression of P2Y12, P-selectin, and CD36 receptors. Moreover, the activity NF-κB p65 and Akt was inhibited. Concomitantly, it increased the protein levels of cleaved caspase-3 and vasodilator-stimulated phosphoprotein (p-VASP) as well as intracellular levels of cAMP. However, in HCCD-fed rats, the effects of ASTX were associated with reduced serum levels of ox-LDL-c and fasting plasma glucose levels. In conclusion, antiplatelet effects of ASTX involve ROS scavenging, inhibiting NF-κB activity, down-regulating P2Y12 expression, and increasing intracellular levels of cAMP that are attributed to its antioxidant, hypolipidemic, and anti-inflammatory effects.
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Affiliation(s)
- Huda H Satti
- Department of Pathology, College of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.,Department of Pathology, University of Khartoum, Khartoum, Sudan
| | - Eman F Khaleel
- Department of Medical Physiology, College of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.,Faculty of Medicine, Department of Medical Physiology, Cairo University, Cairo, Egypt
| | - Rehab M Badi
- Department of Medical Physiology, College of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.,Faculty of Medicine, Department of Physiology, University of Khartoum, Khartoum, Sudan
| | - Amany O Elrefaie
- Department of Pathology, College of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.,National Liver Institute, Department of Pathology, Menoufyia University, Menoufyia, Egypt
| | - Dalia G Mostafa
- Department of Medical Physiology, College of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.,Faculty of Medicine, Department of Medical Physiology, Assiut University, Assiut, Egypt
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32
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Santana PT, Luna-Gomes T, Rangel-Ferreira MV, Tamura AS, Da Graça CLAL, Machado MN, Zin WA, Takiya CM, Faffe DS, Coutinho-Silva R. P2Y 12 Receptor Antagonist Clopidogrel Attenuates Lung Inflammation Triggered by Silica Particles. Front Pharmacol 2020; 11:301. [PMID: 32256366 PMCID: PMC7093325 DOI: 10.3389/fphar.2020.00301] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 02/28/2020] [Indexed: 11/15/2022] Open
Abstract
Silicosis is an occupational lung disease caused by inhalation of silica particles. It is characterized by intense lung inflammation, with progressive and irreversible fibrosis, leading to impaired lung function. Purinergic signaling modulates silica-induced lung inflammation and fibrosis through P2X7 receptor. In the present study, we investigate the role of P2Y12, the G-protein-coupled subfamily prototype of P2 receptor class in silicosis. To that end, BALB/c mice received an intratracheal injection of PBS or silica particles (20 mg), without or with P2Y12 receptor blockade by clopidogrel (20 mg/kg body weight by gavage every 48 h) - groups CTRL, SIL, and SIL + Clopi, respectively. After 14 days, lung mechanics were determined by the end-inflation occlusion method. Lung histology was analyzed, and lung parenchyma production of nitric oxide and cytokines (IL-1β, IL-6, TNF-α, and TGF-β) were determined. Silica injection reduced animal survival and increased all lung mechanical parameters in relation to CTRL, followed by diffuse lung parenchyma inflammation, increased neutrophil infiltration, collagen deposition and increased pro-inflammatory and pro-fibrogenic cytokine secretion, as well as increased nitrite production. Clopidogrel treatment prevented silica-induced changes in lung function, and significantly reduced lung inflammation, fibrosis, as well as cytokine and nitrite production. These data suggest that inhibition of P2Y12 signaling improves silica-induced lung inflammation, preventing lung functional changes and mortality. Our results corroborate previous observations of silica-induced lung changes and expand the understanding of purinergic signaling in this process.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Robson Coutinho-Silva
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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33
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Cortese L, Christopherson PW, Pelagalli A. Platelet Function and Therapeutic Applications in Dogs: Current Status and Future Prospects. Animals (Basel) 2020; 10:E201. [PMID: 31991713 PMCID: PMC7071006 DOI: 10.3390/ani10020201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 11/16/2022] Open
Abstract
Significant progress has been made in the functional characterization of canine platelets in the last two decades. The role of canine platelets in hemostasis includes their adhesion to the subendothelium, activation, and aggregation, leading to primary clot formation at the site of injury. Studies on canine platelet function and advancements in laboratory testing have improved the diagnosis and understanding of platelet-related disorders as well as the knowledge of the mechanisms behind these diseases. This review focuses on the most recent discoveries in canine platelet structure, function, and disorders; and discusses the efficacy of various tests in the diagnosis of platelet-related disorders. With the relatively recent discovery of angiogenetic and reparative effects of growth factors found in platelets, this review also summarizes the use of canine platelet-rich plasma (PRP) alone or in association with stem cells in regenerative therapy. The characterization of proteomic and lipidomic profiles and development of platelet gene therapy in veterinary species are areas of future study with potential for major therapeutic benefits.
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Affiliation(s)
- Laura Cortese
- Department of Veterinary Medicine and Animal Productions, Division of Internal Medicine, University of Naples Federico II, Via Delpino, 1, 80137 Naples, Italy;
| | - Pete W. Christopherson
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA;
| | - Alessandra Pelagalli
- Department of Advanced Biomedical Sciences, University of Naples “Federico II”, 80131 Naples, Italy
- Institute of Biostructures and Bioimaging (IBB), National Research Council (CNR), 80131 Naples, Italy
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Elaskalani O, Domenchini A, Abdol Razak NB, E. Dye D, Falasca M, Metharom P. Antiplatelet Drug Ticagrelor Enhances Chemotherapeutic Efficacy by Targeting the Novel P2Y12-AKT Pathway in Pancreatic Cancer Cells. Cancers (Basel) 2020; 12:cancers12010250. [PMID: 31968611 PMCID: PMC7016832 DOI: 10.3390/cancers12010250] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/18/2019] [Accepted: 01/09/2020] [Indexed: 12/19/2022] Open
Abstract
Background: Extensive research has reported that extracellular ADP in the tumour microenvironment can stimulate platelets through interaction with the platelet receptor P2Y12. In turn, activated platelets release biological factors supporting cancer progression. Experimental data suggest that the tumour microenvironment components, of which platelets are integral, can promote chemotherapy resistance in pancreatic ductal adenocarcinoma (PDAC). Thus, overcoming chemoresistance requires combining multiple inhibitors that simultaneously target intrinsic pathways in cancer cells and extrinsic factors related to the tumour microenvironment. We aimed to determine whether ticagrelor, an inhibitor of the ADP–P2Y12 axis and a well-known antiplatelet drug, could be a therapeutic option for PDAC. Methods: We investigated a functional P2Y12 receptor and its downstream signalling in a panel of PDAC cell lines and non-cancer pancreatic cells termed hTERT-HPNE. We tested the synergistic effect of ticagrelor, a P2Y12 inhibitor, in combination with chemotherapeutic drugs (gemcitabine, paclitaxel and cisplatin), in vitro and in vivo. Results: Knockdown studies revealed that P2Y12 contributed to epidermal growth factor receptor (EGFR) activation and the expression of SLUG and ZEB1, which are transcriptional factors implicated in metastasis and chemoresistance. Studies using genetic and pharmacological inhibitors showed that the P2Y12–EGFR crosstalk enhanced cancer cell proliferation. Inhibition of P2Y12 signalling significantly reduced EGF-dependent AKT activation and promoted the anticancer activity of anti-EGFR treatment. Importantly, ticagrelor significantly decreased the proliferative capacity of cancer but not normal pancreatic cells. In vitro, synergism was observed when ticagrelor was combined with several chemodrugs. In vivo, a combination of ticagrelor with gemcitabine significantly reduced tumour growth, whereas gemcitabine or ticagrelor alone had a minimal effect. Conclusions: These findings uncover a novel effect and mechanism of action of the antiplatelet drug ticagrelor in PDAC cells and suggest a multi-functional role for ADP-P2Y12 signalling in the tumour microenvironment.
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Affiliation(s)
- Omar Elaskalani
- Platelet Research Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health and Innovation Research Institute, Faculty of Health Sciences, Curtin University, Bentley Campus, Kent Street, Bentley, Building 305, Perth, WA 6102, Australia; (O.E.); (N.B.A.R.); (D.E.D.)
- Platelet Research Group, Perth Blood Institute, West Perth, WA 6005, Australia
| | - Alice Domenchini
- Metabolic Signalling Group, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia; (A.D.); (M.F.)
| | - Norbaini Binti Abdol Razak
- Platelet Research Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health and Innovation Research Institute, Faculty of Health Sciences, Curtin University, Bentley Campus, Kent Street, Bentley, Building 305, Perth, WA 6102, Australia; (O.E.); (N.B.A.R.); (D.E.D.)
| | - Danielle E. Dye
- Platelet Research Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health and Innovation Research Institute, Faculty of Health Sciences, Curtin University, Bentley Campus, Kent Street, Bentley, Building 305, Perth, WA 6102, Australia; (O.E.); (N.B.A.R.); (D.E.D.)
| | - Marco Falasca
- Metabolic Signalling Group, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia; (A.D.); (M.F.)
| | - Pat Metharom
- Platelet Research Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health and Innovation Research Institute, Faculty of Health Sciences, Curtin University, Bentley Campus, Kent Street, Bentley, Building 305, Perth, WA 6102, Australia; (O.E.); (N.B.A.R.); (D.E.D.)
- Platelet Research Group, Perth Blood Institute, West Perth, WA 6005, Australia
- Western Australian Centre for Thrombosis and Haemostasis, Health Futures Institute, Murdoch University, Perth, WA 6150, Australia
- Correspondence: ; Tel.: +61-(08)-9266-9271
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35
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Vemulapalli H, Albayati S, Patwa VC, Tilley DG, Tsygankov AY, Liverani E. ADP exerts P2Y 12 -dependent and P2Y 12 -independent effects on primary human T cell responses to stimulation. J Cell Commun Signal 2019; 14:111-126. [PMID: 31808055 DOI: 10.1007/s12079-019-00540-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 11/25/2019] [Indexed: 01/11/2023] Open
Abstract
Purinergic signaling plays a complex role in inflammation. Nucleotides released by T lymphocytes, endothelial cells, and platelets during inflammation induce cellular responses by binding to receptors that regulate intracellular signaling pathways. Previous studies have found that purinergic signaling can have both proinflammatory and anti-inflammatory effects, but the roles of specific pathways in specific cell types are poorly understood. We investigated the role of the P2Y12 signaling pathway in the activation of T lymphocytes in vitro. We isolated peripheral blood mononuclear cells (PBMCs) from healthy donors and pretreated them with ADP (a P2Y12 agonist), AR-C69931MX (a P2Y12 antagonist), or both. We then stimulated PBMC using phytohemagglutinin (PHA) or anti-CD3/CD28 antibodies. We found that ADP affects T cell responses in term of cell activity and receptor expression through both P2Y12-dependent and P2Y12-independent pathways and other responses (cytokine secretion) primarily through P2Y12 -independent pathways. The ADP-mediated effect changed over time and was stimulus-specific.
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Affiliation(s)
- Harika Vemulapalli
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA
| | - Samara Albayati
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA
| | - Viren C Patwa
- Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, 3500 North Broad Street, Philadelphia, PA, USA
| | - Douglas G Tilley
- Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, 3500 North Broad Street, Philadelphia, PA, USA
| | - Alexander Y Tsygankov
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA.,Department of Microbiology and Immunology, Temple University School of Medicine, Temple University Hospital, Philadelphia, PA, USA
| | - Elisabetta Liverani
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, 3420 North Broad Street, Philadelphia, PA, 19140, USA.
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36
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Taus F, Meneguzzi A, Castelli M, Minuz P. Platelet-Derived Extracellular Vesicles as Target of Antiplatelet Agents. What Is the Evidence? Front Pharmacol 2019; 10:1256. [PMID: 31780927 PMCID: PMC6857039 DOI: 10.3389/fphar.2019.01256] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022] Open
Abstract
Platelet-derived large extracellular vesicles (often referred to as microparticles in the field of cardiovascular disease) have been identified as effector in the atherothrombotic process, therefore representing a target of pharmacological intervention of potential interest. Despite that, limited evidence is so far available concerning the effects of antiplatelet agents on the release of platelet-derived extracellular vesicles. In the present narrative review, the mechanisms leading to vesiculation in platelets and the pathophysiological processes implicated will be discussed. This will be followed by a summary of the present evidence concerning the effects of antiplatelet agents under experimental conditions and in clinical settings.
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Affiliation(s)
- Francesco Taus
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Alessandra Meneguzzi
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Marco Castelli
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Pietro Minuz
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
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37
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Na YG, Byeon JJ, Wang M, Huh HW, Kim MK, Bang KH, Han MG, Lee HK, Cho CW. Statistical approach for solidifying ticagrelor loaded self-microemulsifying drug delivery system with enhanced dissolution and oral bioavailability. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109980. [DOI: 10.1016/j.msec.2019.109980] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 07/11/2019] [Accepted: 07/15/2019] [Indexed: 11/26/2022]
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38
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Ravishankar D, Albadawi DAI, Chaggar V, Patra PH, Williams HF, Salamah M, Vaiyapuri R, Dash PR, Patel K, Watson KA, Vaiyapuri S. Isorhapontigenin, a resveratrol analogue selectively inhibits ADP-stimulated platelet activation. Eur J Pharmacol 2019; 862:172627. [PMID: 31461638 DOI: 10.1016/j.ejphar.2019.172627] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 08/17/2019] [Accepted: 08/23/2019] [Indexed: 12/13/2022]
Abstract
Isorhapontigenin is a polyphenolic compound found in Chinese herbs and grapes. It is a methoxylated analogue of a stilbenoid, resveratrol, which is well-known for its various beneficial effects including anti-platelet activity. Isorhapontigenin possesses greater oral bioavailability than resveratrol and has also been identified to possess anti-cancer and anti-inflammatory properties. However, its effects on platelet function have not been reported previously. In this study, we report the effects of isorhapontigenin on the modulation of platelet function. Isorhapontigenin was found to selectively inhibit ADP-induced platelet aggregation with an IC50 of 1.85 μM although it displayed marginal inhibition on platelet aggregation induced by other platelet agonists at 100 μM. However, resveratrol exhibited weaker inhibition on ADP-induced platelet aggregation (IC50 > 100 μM) but inhibited collagen induced platelet aggregation at 50 μM and 100 μM. Isorhapontigenin also inhibited integrin αIIbβ3 mediated inside-out and outside-in signalling and dense granule secretion in ADP-induced platelet activation but interestingly, no effect was observed on α-granule secretion. Isorhapontigenin did not exert any cytotoxicity on platelets at the concentrations of up to 100 μM. Furthermore, it did not affect haemostasis in mice at the IC50 concentration (1.85 μM). In addition, the mechanistic studies demonstrated that isorhapontigenin increased cAMP levels and VASP phosphorylation at Ser157 and decreased Akt phosphorylation. This suggests that isorhapontigenin may interfere with cAMP and PI3K signalling pathways that are associated with the P2Y12 receptor. Molecular docking studies emphasised that isorhapontigenin has greater binding affinity to P2Y12 receptor than resveratrol. Our results demonstrate that isorhapontigenin has selective inhibitory effects on ADP-stimulated platelet activation possibly via P2Y12 receptor.
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Affiliation(s)
| | | | | | | | | | | | | | - Philip R Dash
- School of Biological Sciences, University of Reading, Reading, UK
| | - Ketan Patel
- School of Biological Sciences, University of Reading, Reading, UK
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39
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von Kügelgen I. Pharmacology of P2Y receptors. Brain Res Bull 2019; 151:12-24. [PMID: 30922852 DOI: 10.1016/j.brainresbull.2019.03.010] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 03/04/2019] [Accepted: 03/17/2019] [Indexed: 01/17/2023]
Abstract
P2Y receptors are G-protein-coupled receptors (GPCRs) for extracellular nucleotides. There are eight mammalian P2Y receptor subtypes divided into two subgroups (P2Y1, P2Y2, P2Y4, P2Y6, and P2Y11) and (P2Y12, P2Y13, and P2Y14). The P2Y receptors are expressed in various cell types and play important roles in physiology and pathophysiology including inflammatory responses and neuropathic pain. The antagonism of P2Y12 receptors is used in pharmacotherapy for the prevention and therapy of cardiovascular events. The nucleoside analogue ticagrelor and active metabolites of the thienopyridine compounds ticlopidine, clopidogrel and prasugrel inhibit platelet P2Y12 receptors and reduce thereby platelet aggregation. The P2Y2 receptor agonist diquafosol is used for the treatment of the dry eye syndrome. The P2Y receptor subtypes differ in their amino acid sequences, their pharmacological profiles and their signaling transduction pathways. Recently, selective receptor ligands have been developed for all subtypes. The published crystal structures of the human P2Y1 and P2Y12 receptors as well as receptor models will facilitate the development of novel drugs for pharmacotherapy.
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Affiliation(s)
- Ivar von Kügelgen
- Department of Pharmacology and Toxicology, Pharma Center, University of Bonn, D-53127, Bonn, Germany.
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40
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Miao S, Shu D, Zhu Y, Lu M, Zhang Q, Pei Y, He AD, Ma R, Zhang B, Ming ZY. Cancer cell-derived immunoglobulin G activates platelets by binding to platelet FcγRIIa. Cell Death Dis 2019; 10:87. [PMID: 30692520 PMCID: PMC6349849 DOI: 10.1038/s41419-019-1367-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 01/13/2019] [Accepted: 01/14/2019] [Indexed: 12/14/2022]
Abstract
Tumor-associated thrombosis is the second leading risk factor for cancer patient death, and platelets activity is abnormal in cancer patients. Discovering the mechanism of platelet activation and providing effective targets for therapy are urgently needed. Cancer cell- derived IgG has been reported to regulate development of tumors. However, studies on the functions of cancer cell-derived IgG are quite limited. Here we investigated the potential role of cancer cell-derived IgG in platelet activation. We detected the expression of CD62P on platelets by flow cytometry and analyzed platelet function by platelets aggregation and ATP release. The content of IgG in cancer cell supernatants was detected by enzyme-linked immune sorbent assay. The distribution of cancer-derived IgG in cancer cells was analyzed by immunofluorescence assay. Western blot was performed to quantify the relative expression of FcγRIIa, syk, PLCγ2. The interaction between cancer cell-derived IgG and platelet FcγRIIa was analyzed by co-immunoprecipitation. The results showed that higher levels of CD62P were observed in cancer patients' platelets compared with that of healthy volunteers. Cancer cell culture supernatants increased platelet CD62P and PAC-1 expression, sensitive platelet aggregation and ATP release in response to agonists, while blocking FcγRIIa or knocking down IgG reduced the activation of platelets. Coimmunoprecipitation results showed that cancer cell-derived IgG interacted directly with platelet FcγRIIa. In addition, platelet FcγRIIa was highly expressed in liver cancer patients. In summary, cancer cell-derived IgG interacted directly with FcγRIIa and activated platelets; targeting this interaction may be an approach to prevent and treat tumor-associated thrombosis.
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Affiliation(s)
- Shuo Miao
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Dan Shu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Ying Zhu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Meng Lu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Qingsong Zhang
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Youliang Pei
- Department of Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ao-Di He
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Rong Ma
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Bixiang Zhang
- Department of Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhang-Yin Ming
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.
- The Key Laboratory for Drug Target Research and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China.
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41
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Gasecka A, Nieuwland R, Budnik M, Dignat-George F, Eyileten C, Harrison P, Huczek Z, Kapłon-Cieślicka A, Lacroix R, Opolski G, Pluta K, van der Pol E, Postuła M, Leroyer A, Siljander P, Sturk A, Filipiak KJ. Randomized controlled trial protocol to investigate the antiplatelet therapy effect on extracellular vesicles (AFFECT EV) in acute myocardial infarction. Platelets 2018; 31:26-32. [PMID: 30585111 DOI: 10.1080/09537104.2018.1557616] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Activated platelets contribute to thrombosis and inflammation by the release of extracellular vesicles (EVs) exposing P-selectin, phosphatidylserine (PS) and fibrinogen. P2Y12 receptor antagonists are routinely administered to inhibit platelet activation in patients after acute myocardial infarction (AMI), being a combined antithrombotic and anti-inflammatory therapy. The more potent P2Y12 antagonist ticagrelor improves cardiovascular outcome in patients after AMI compared to the less potent clopidogrel, suggesting that greater inhibition of platelet aggregation is associated with better prognosis. The effect of ticagrelor and clopidogrel on the release of EVs from platelets and other P2Y12-exposing cells is unknown. This study compares the effects of ticagrelor and clopidogrel on (1) the concentrations of EVs from activated platelets (primary end point), (2) the concentrations of EVs exposing fibrinogen, exposing PS, from leukocytes and from endothelial cells (secondary end points) and (3) the procoagulant activity of plasma EVs (tertiary end points) in 60 consecutive AMI patients. After the percutaneous coronary intervention, patients will be randomized to antiplatelet therapy with ticagrelor (study group) or clopidogrel (control group). Blood will be collected from patients at randomization, 48 hours after randomization and 6 months following the index hospitalization. In addition, 30 age- and gender-matched healthy volunteers will be enrolled in the study to investigate the physiological concentrations and procoagulant activity of EVs using recently standardized protocols and EV-dedicated flow cytometry. Concentrations of EVs will be determined by flow cytometry. Procoagulant activity of EVs will be determined by fibrin generation test. The compliance and response to antiplatelet therapy will be assessed by impedance aggregometry. We expect that plasma from patients treated with ticagrelor (1) contains lower concentrations of EVs from activated platelets, exposing fibrinogen, exposing PS, from leukocytes and from endothelial cells and (2) has lower procoagulant activity, when compared to patients treated with clopidogrel. Antiplatelet therapy effect on EVs may identify a new mechanism of action of ticagrelor, as well as create a basis for future studies to investigate whether lower EV concentrations are associated with improved clinical outcomes in patients treated with P2Y12 antagonists.
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Affiliation(s)
- Aleksandra Gasecka
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland.,Vesicle Observation Centre and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Rienk Nieuwland
- Vesicle Observation Centre and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Monika Budnik
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
| | | | - Ceren Eyileten
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Warsaw, Poland
| | - Paul Harrison
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Zenon Huczek
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
| | | | - Romaric Lacroix
- Aix Marseille University, INSERM, INRA, C2VN, Marseille, France
| | - Grzegorz Opolski
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
| | - Kinga Pluta
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
| | - Edwin van der Pol
- Vesicle Observation Centre and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Biomedical Engineering & Physics, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marek Postuła
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Warsaw, Poland
| | - Aurélie Leroyer
- Aix Marseille University, INSERM, INRA, C2VN, Marseille, France
| | - Pia Siljander
- Division of Biochemistry and Biotechnology, Department of Biosciences, University of Helsinki, Helsinki, Finland.,Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Auguste Sturk
- Vesicle Observation Centre and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Krzysztof J Filipiak
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
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Finsterbusch M, Norman MU, Hall P, Kitching AR, Hickey MJ. Platelet retention in inflamed glomeruli occurs via selective prolongation of interactions with immune cells. Kidney Int 2018; 95:363-374. [PMID: 30522769 DOI: 10.1016/j.kint.2018.08.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 08/13/2018] [Accepted: 08/30/2018] [Indexed: 01/16/2023]
Abstract
Platelet-leukocyte interactions promote acute glomerulonephritis. However, neither the nature of the interactions between platelets and immune cells nor the capacity of platelets to promote leukocyte activation has been characterized in this condition. We used confocal intravital microscopy to define the interactions of platelets with neutrophils, monocytes, and endothelial cells in glomerular capillaries in mice. In the absence of inflammation, platelets underwent rapid on/off interactions with immune cells. During glomerulonephritis induced by in situ immune complex formation, platelets that interacted with neutrophils or monocytes, but not with other intraglomerular cells, were retained in the glomerulus for prolonged durations. Depletion of platelets inhibited both neutrophil recruitment and activation. Inhibition of platelet activating factor reduced neutrophil recruitment without impacting reactive oxygen species generation, while blocking CXC chemokine ligand 7 (CXCL7) reduced both responses. In contrast, inhibition of the adenosine diphosphate and thromboxane A2 pathways inhibited neutrophil reactive oxygen species generation without affecting neutrophil adhesion. Thus, platelet retention in glomerular capillaries following immune complex deposition stems from prolongation of platelet interactions with immune cells but not other substrates. Pro-inflammatory mediators play divergent roles in promoting neutrophil retention and activation in glomerular capillaries.
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Affiliation(s)
- Michaela Finsterbusch
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia
| | - M Ursula Norman
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia
| | - Pam Hall
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia
| | - A Richard Kitching
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia; Department of Nephrology, Monash Medical Centre, Clayton, Victoria, Australia; Department of Paediatric Nephrology, Monash Medical Centre, Clayton, Victoria, Australia
| | - Michael J Hickey
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia.
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Bijak M, Szelenberger R, Dziedzic A, Saluk-Bijak J. Inhibitory Effect of Flavonolignans on the P2Y12 Pathway in Blood Platelets. Molecules 2018; 23:molecules23020374. [PMID: 29439388 PMCID: PMC6017715 DOI: 10.3390/molecules23020374] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/05/2018] [Accepted: 02/07/2018] [Indexed: 12/27/2022] Open
Abstract
Adenosine diphosphate (ADP) is the major platelet agonist, which is important in the shape changes, stability, and growth of the thrombus. Platelet activation by ADP is associated with the G protein-coupled receptors P2Y1 and P2Y12. The pharmacologic blockade of the P2Y12 receptor significantly reduces the risk of peripheral artery disease, myocardial infarction, ischemic stroke, and vascular death. Recent studies demonstrated the inhibition of ADP-induced blood platelet activation by three major compounds of the flavonolignans group: silybin, silychristin, and silydianin. For this reason, the aim of the current work was to verify the effects of silybin, silychristin, and silydianin on ADP-induced physiological platelets responses, as well as mechanisms of P2Y12-dependent intracellular signal transduction. We evaluated the effect of tested flavonolignans on ADP-induced blood platelets’ aggregation in platelet-rich plasma (PRP) (using light transmission aggregometry), adhesion to fibrinogen (using the static method), and the secretion of PF-4 (using the ELISA method). Additionally, using the double labeled flow cytometry method, we estimated platelet vasodilator-stimulated phosphoprotein (VASP) phosphorylation. We demonstrated a dose-dependent reduction of blood platelets’ ability to perform ADP-induced aggregation, adhere to fibrinogen, and secrete PF-4 in samples treated with flavonolignans. Additionally, we observed that all of the tested flavonolignans were able to increase VASP phosphorylation in blood platelets samples, which is correlated with P2Y12 receptor inhibition. All of these analyses show that silychristin and silybin have the strongest inhibitory effect on blood platelet activation by ADP, while silydianin also inhibits the ADP pathway, but to a lesser extent. The results obtained in this study clearly demonstrate that silybin, silychristin, and silydianin have inhibitory properties against the P2Y12 receptor and block ADP-induced blood platelet activation.
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Affiliation(s)
- Michal Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
| | - Rafal Szelenberger
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
| | - Angela Dziedzic
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Promoter hypomethylation of microRNA223 gene is associated with atherosclerotic cerebral infarction. Atherosclerosis 2017; 263:237-243. [DOI: 10.1016/j.atherosclerosis.2017.06.924] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 05/31/2017] [Accepted: 06/27/2017] [Indexed: 01/22/2023]
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Amison R, Arnold S, O'Shaughnessy B, Cleary S, Ofoedu J, Idzko M, Page C, Pitchford S. Lipopolysaccharide (LPS) induced pulmonary neutrophil recruitment and platelet activation is mediated via the P2Y1 and P2Y14 receptors in mice. Pulm Pharmacol Ther 2017; 45:62-68. [DOI: 10.1016/j.pupt.2017.05.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 05/04/2017] [Accepted: 05/06/2017] [Indexed: 11/29/2022]
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Qin C, Zhou J, Gao Y, Lai W, Yang C, Cai Y, Chen S, Du C. Critical Role of P2Y12 Receptor in Regulation of Th17 Differentiation and Experimental Autoimmune Encephalomyelitis Pathogenesis. THE JOURNAL OF IMMUNOLOGY 2017; 199:72-81. [DOI: 10.4049/jimmunol.1601549] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 04/24/2017] [Indexed: 11/19/2022]
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Development of novel prasugrel base microsphere-loaded tablet with enhanced stability: Physicochemical characterization and in vivo evaluation in beagle dogs. Colloids Surf B Biointerfaces 2016; 146:754-61. [DOI: 10.1016/j.colsurfb.2016.07.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 07/07/2016] [Accepted: 07/11/2016] [Indexed: 11/20/2022]
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Zhou S, Fang D, Tan S, Lin W, Wu W, Zheng K. Investigating the binding mechanism of novel 6-aminonicotinate-based antagonists with P2Y 12 by 3D-QSAR, docking and molecular dynamics simulations. J Biomol Struct Dyn 2016; 35:2938-2965. [PMID: 27634290 DOI: 10.1080/07391102.2016.1237381] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
P2Y12 receptor is an attractive target for the anti-platelet therapies, treating various thrombotic diseases. In this work, a total of 107 6-aminonicotinate-based compounds as potent P2Y12 antagonists were studies by a molecular modeling study combining three-dimensional quantitative structure-activity relationship (3D-QSAR), molecular docking and molecular dynamics (MD) simulations to explore the decisive binding conformations of these antagonists with P2Y12 and the structural features for the activity. The optimum CoMFA and CoMSIA models identified satisfactory robustness and good predictive ability, with R2 = .983, q2 = .805, [Formula: see text] = .881 for CoMFA model, and R2 = .935, q2 = .762, [Formula: see text] = .690 for CoMSIA model, respectively. The probable binding modes of compounds and key amino acid residues were revealed by molecular docking. MD simulations and MM/GBSA free energy calculations were further performed to validate the rationality of docking results and to compare the binding modes of several compound pairs with different activities, and the key residues (Val102, Tyr105, Tyr109, His187, Val190, Asn191, Phe252, His253, Arg256, Tyr259, Thr260, Val279, and Lys280) for the higher activity were pointed out. The binding energy decomposition indicated that the hydrophobic and hydrogen bond interactions play important roles for the binding of compounds to P2Y12. We hope these results could be helpful in design of potent and selective P2Y12 antagonists.
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Affiliation(s)
- Shengfu Zhou
- a Department of Physical Chemistry , College of Pharmacy, Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Danqing Fang
- b Department of Cardiothoracic Surgery , Affiliated Second Hospital of Guangzhou Medical University , Guangzhou 510260 , China
| | - Shepei Tan
- a Department of Physical Chemistry , College of Pharmacy, Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Weicong Lin
- a Department of Physical Chemistry , College of Pharmacy, Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Wenjuan Wu
- a Department of Physical Chemistry , College of Pharmacy, Guangdong Pharmaceutical University , Guangzhou 510006 , China
| | - Kangcheng Zheng
- c School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China
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Liverani E, Rico MC, Tsygankov AY, Kilpatrick LE, Kunapuli SP. P2Y12 Receptor Modulates Sepsis-Induced Inflammation. Arterioscler Thromb Vasc Biol 2016; 36:961-71. [PMID: 27055904 PMCID: PMC4850113 DOI: 10.1161/atvbaha.116.307401] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 03/21/2016] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Platelets modulate hemostasis and immune responses via interactions with immune cells through secretion of immunemodulators and cell-cell interactions. The P2Y12 receptor mediates ADP-induced aggregation and secretion in platelets. APPROACH AND RESULTS Using a mouse model of intra-abdominal sepsis and acute lung injury, we investigated the role of the P2Y12 receptor in neutrophil migration and lung inflammation in P2Y12 null mice and in mice pretreated with the P2Y12 antagonist clopidogrel. Our data show a decrease in circulating white blood cells and a decrease in platelet activation and platelet-leukocyte interactions in treated mice compared with untreated mice. Additionally, lung injury and platelet sequestration were diminished in clopidogrel-treated mice compared with their untreated septic littermates. Similar results were observed in P2Y12 null mice: platelet activation and platelet-leukocyte aggregates were decreased in septic P2Y12 null mice compared with wild-type mice. P2Y12 null mice were refractory to lung injury compared with wild-type mice. Finally, to evaluate P2Y12-independent effects of clopidogrel, we pretreated P2Y12 null mice. Interestingly, the number of circulating neutrophils was reduced in treated septic P2Y12 null mice, suggesting neutrophils as a target for clopidogrel pleiotropic effects. No difference was observed in P2Y1 null mice during sepsis, indicating that the P2Y12 receptor is responsible for the effects. CONCLUSIONS P2Y12 null mice are refractory to sepsis-induced lung injury, suggesting a key role for activated platelets and the P2Y12 receptor during sepsis.
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Affiliation(s)
- Elisabetta Liverani
- From the Sol Sherry Thrombosis Research Center (E.L., M.C.R., A.Y.T., L.E.K., S.P.K.), Department of Physiology (L.E.K., S.P.K.), Department of Microbiology and Immunology (A.Y.T.), and Center for Inflammation, Translational and Clinical Lung Research (E.L., L.E.K.), Temple University School of Medicine, Philadelphia, PA.
| | - Mario C Rico
- From the Sol Sherry Thrombosis Research Center (E.L., M.C.R., A.Y.T., L.E.K., S.P.K.), Department of Physiology (L.E.K., S.P.K.), Department of Microbiology and Immunology (A.Y.T.), and Center for Inflammation, Translational and Clinical Lung Research (E.L., L.E.K.), Temple University School of Medicine, Philadelphia, PA
| | - Alexander Y Tsygankov
- From the Sol Sherry Thrombosis Research Center (E.L., M.C.R., A.Y.T., L.E.K., S.P.K.), Department of Physiology (L.E.K., S.P.K.), Department of Microbiology and Immunology (A.Y.T.), and Center for Inflammation, Translational and Clinical Lung Research (E.L., L.E.K.), Temple University School of Medicine, Philadelphia, PA
| | - Laurie E Kilpatrick
- From the Sol Sherry Thrombosis Research Center (E.L., M.C.R., A.Y.T., L.E.K., S.P.K.), Department of Physiology (L.E.K., S.P.K.), Department of Microbiology and Immunology (A.Y.T.), and Center for Inflammation, Translational and Clinical Lung Research (E.L., L.E.K.), Temple University School of Medicine, Philadelphia, PA
| | - Satya P Kunapuli
- From the Sol Sherry Thrombosis Research Center (E.L., M.C.R., A.Y.T., L.E.K., S.P.K.), Department of Physiology (L.E.K., S.P.K.), Department of Microbiology and Immunology (A.Y.T.), and Center for Inflammation, Translational and Clinical Lung Research (E.L., L.E.K.), Temple University School of Medicine, Philadelphia, PA
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50
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Holinstat M, Bray PF. Protease receptor antagonism to target blood platelet therapies. Clin Pharmacol Ther 2015; 99:72-81. [PMID: 26501993 DOI: 10.1002/cpt.282] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/19/2015] [Accepted: 10/20/2015] [Indexed: 01/24/2023]
Abstract
Platelet activation and thrombus formation play a central role in ischemic vascular disease. Thrombin, an especially potent physiologic agonist mediating in vivo activation of platelets, acts via a unique family of G-protein-coupled receptors called protease-activated receptors (PARs) with a broad tissue expression. This review focuses on current antiplatelet therapies as well as innovative approaches to targeting PARs in patients with atherothrombotic vascular disease.
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Affiliation(s)
- M Holinstat
- University of Michigan Medical School, Departments of Pharmacology and Internal Medicine, Ann Arbor, Michigan, USA
| | - P F Bray
- Thomas Jefferson University, The Cardeza Foundation for Hematologic Research and the Department of Medicine, Jefferson Medical College, Philadelphia, Pennsylvania, USA
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