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Camoin-Jau L, Habib G. Should We Give Antithrombotic Therapy to Patients With Infective Endocarditis?: A Serious Question, But Unresolved. JACC. ADVANCES 2024; 3:100766. [PMID: 38939378 PMCID: PMC11198370 DOI: 10.1016/j.jacadv.2023.100766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Affiliation(s)
- Laurence Camoin-Jau
- Microbes Evolution Phylogeny and Infection (MEPHI) Laboratory, Institut de Recherche Pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Aix-Marseille University, Marseille, France
- IHU Méditerranée Infection, Marseille, France
- Haematology Laboratory, Hôpital de la Timone, APHM, Marseille, France
| | - Gilbert Habib
- Microbes Evolution Phylogeny and Infection (MEPHI) Laboratory, Institut de Recherche Pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Aix-Marseille University, Marseille, France
- Cardiology Department, La Timone Hospital, Marseille, France
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Microscopic Description of Platelet Aggregates Induced by Escherichia coli Strains. Cells 2022; 11:cells11213495. [PMID: 36359892 PMCID: PMC9659130 DOI: 10.3390/cells11213495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 11/09/2022] Open
Abstract
In addition to their role in haemostasis, platelets are also involved in the inflammatory and antimicrobial process. Interactions between pathogens and platelets, mediated by receptors can lead to platelet activation, which may be responsible for a granular secretion process or even aggregation, depending on the bacterial species. Granular secretion releases peptides with bactericidal activity as well as aggregating factors. To our knowledge, these interactions have been poorly studied for Escherichia coli (E. coli). Few studies have characterised the cellular organization of platelet-E. coli aggregates. The objective of our study was to investigate the structure of platelet aggregates induced by different E. coli strains as well as the ultrastructure of platelet-E. coli mixtures using a scanning and transmission electron microscopy (SEM and TEM) approach. Our results show that the appearance of platelet aggregates is mainly dependent on the strain used. SEM images illustrate the platelet activation and aggregation and their colocalisation with bacteria. Some E. coli strains induce platelet activation and aggregation, and the bacteria are trapped in the platelet magma. However, some strains do not induce significant platelet activation and are found in close proximity to the platelets. The structure of the E. coli strains might explain the results obtained.
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Ma S, Su W, Sun C, Lowe S, Zhou Z, Liu H, Qu G, Xia W, Xie P, Wu B, Gao J, Feng L, Sun Y. Does aspirin have an effect on risk of death in patients with COVID-19? A meta-analysis. Eur J Clin Pharmacol 2022; 78:1403-1420. [PMID: 35732963 PMCID: PMC9217117 DOI: 10.1007/s00228-022-03356-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/14/2022] [Indexed: 01/06/2023]
Abstract
Purpose The coronavirus disease 2019 (COVID-19) pandemic has shown unprecedented impact world-wide since the eruption in late 2019. Importantly, emerging reports suggest an increased risk of thromboembolism development in patients with COVID-19. Meanwhile, it is found that aspirin reduced mortality in critically ill patients with non-COVID-19 acute respiratory distress syndrome. Therefore, a meta-analysis was performed to investigate the effects of aspirin on COVID-19 mortality. Methods A systematic literature search was conducted in 10 electronic databases and 4 registries. Random effects models were used to calculate pooled relative risks (RRs) with 95% confidence intervals (Cis) to estimate the effect of aspirin on COVID-19 mortality. Relevant subgroup analyses and sensitivity analyses were also performed. Results The results showed that aspirin use was associated with a reduction in COVID-19 mortality (adjusted RR 0.69; 95% CI 0.50–0.95; P < 0.001). Subgroup analysis found that the low-dose group was associated with a reduced COVID-19 mortality (adjusted RR 0.64; 95% CI 0.48–0.85; P < 0.01). Aspirin use was associated with reduced COVID-19 mortality in Europe and America (crude RR 0.71; 95% CI 0.52–0.98; P = 0.04), and results from cohort studies suggested that aspirin use was a protective factor for COVID-19 mortality (adjusted RR 0.73; 95% CI 0.52–0.99; P = 0.04). Meanwhile, aspirin use was not associated with bleeding risk (crude RR 1.22; 95% CI 0.80–1.87; P = 0.96). Conclusions This meta-analysis found that aspirin use was associated with a reduction in mortality in patients with COVID-19 and not with an increased risk of bleeding. Supplementary information The online version contains supplementary material available at 10.1007/s00228-022-03356-5.
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Affiliation(s)
- Shaodi Ma
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Wanying Su
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Chenyu Sun
- AMITA Health Saint Joseph Hospital Chicago, 2900 N. Lake Shore Drive, Chicago, IL, 60657, USA
| | - Scott Lowe
- College of Osteopathic Medicine, Kansas City University, 1750 Independence Ave, Kansas City, MO, 64106, USA
| | - Zhen Zhou
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Haixia Liu
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Guangbo Qu
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Weihang Xia
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Peng Xie
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Birong Wu
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Juan Gao
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Linya Feng
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China
| | - Yehuan Sun
- Department of Epidemiology and Health Statistics, School of Public, Health Anhui Medical University, No. 81 Meishan Road, 230032, Anhui, People's Republic of China.
- Chaohu Hospital, Anhui Medical University, No. 64 Chaohubei Road, Anhui, 238000, China.
- Center for Evidence-Based Practice, Anhui Medical University, No. 81 Meishan Road, Anhui, 230032, China.
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Di Bella S, Luzzati R, Principe L, Zerbato V, Meroni E, Giuffrè M, Crocè LS, Merlo M, Perotto M, Dolso E, Maurel C, Lovecchio A, Dal Bo E, Lagatolla C, Marini B, Ippodrino R, Sanson G. Aspirin and Infection: A Narrative Review. Biomedicines 2022; 10:biomedicines10020263. [PMID: 35203473 PMCID: PMC8868581 DOI: 10.3390/biomedicines10020263] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/18/2022] [Accepted: 01/20/2022] [Indexed: 02/01/2023] Open
Abstract
Acetylsalicylic acid (ASA) is one of the most commonly used drugs in the world. It derives from the extract of white willow bark, whose therapeutic potential was known in Egypt since 1534 BC. ASA’s pharmacological effects are historically considered secondary to its anti-inflammatory, platelet-inhibiting properties; however, human studies demonstrating a pro-inflammatory effect of ASA exist. It is likely that we are aware of only part of ASA’s mechanisms of action; moreover, the clinical effect is largely dependent on dosages. During the past few decades, evidence of the anti-infective properties of ASA has emerged. We performed a review of such research in order to provide a comprehensive overview of ASA and viral, bacterial, fungal and parasitic infections, as well as ASA’s antibiofilm properties.
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Affiliation(s)
- Stefano Di Bella
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
| | - Roberto Luzzati
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
| | - Luigi Principe
- Clinical Pathology and Microbiology Unit, “S. Giovanni di Dio” Hospital, 88900 Crotone, Italy;
| | - Verena Zerbato
- Infectious Diseases Unit, Trieste University Hospital, 34149 Trieste, Italy; (V.Z.); (E.D.); (C.M.); (A.L.)
| | - Elisa Meroni
- Clinical Microbiology and Virology Unit, “A. Manzoni” Hospital, 23900 Lecco, Italy;
| | - Mauro Giuffrè
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
- Correspondence: ; Tel.: +39-040-3994-305
| | - Lory Saveria Crocè
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
| | - Marco Merlo
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
| | - Maria Perotto
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
| | - Elisabetta Dolso
- Infectious Diseases Unit, Trieste University Hospital, 34149 Trieste, Italy; (V.Z.); (E.D.); (C.M.); (A.L.)
| | - Cristina Maurel
- Infectious Diseases Unit, Trieste University Hospital, 34149 Trieste, Italy; (V.Z.); (E.D.); (C.M.); (A.L.)
| | - Antonio Lovecchio
- Infectious Diseases Unit, Trieste University Hospital, 34149 Trieste, Italy; (V.Z.); (E.D.); (C.M.); (A.L.)
| | - Eugenia Dal Bo
- Cardiothoracic-Vascular Department, Azienda Sanitaria Universitaria Integrata, Cattinara University Hospital, 34149 Trieste, Italy;
| | - Cristina Lagatolla
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy;
| | - Bruna Marini
- Ulisse BioMed Labs, Area Science Park, 34149 Trieste, Italy; (B.M.); (R.I.)
| | - Rudy Ippodrino
- Ulisse BioMed Labs, Area Science Park, 34149 Trieste, Italy; (B.M.); (R.I.)
| | - Gianfranco Sanson
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34127 Trieste, Italy; (S.D.B.); (R.L.); (L.S.C.); (M.M.); (M.P.); (G.S.)
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Tokarz-Deptuła B, Palma J, Baraniecki Ł, Stosik M, Kołacz R, Deptuła W. What Function Do Platelets Play in Inflammation and Bacterial and Viral Infections? Front Immunol 2021; 12:770436. [PMID: 34970260 PMCID: PMC8713818 DOI: 10.3389/fimmu.2021.770436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/22/2021] [Indexed: 12/15/2022] Open
Abstract
The article presents the function of platelets in inflammation as well as in bacterial and viral infections, which are the result of their reaction with the endovascular environment, including cells of damaged vascular endothelium and cells of the immune system. This role of platelets is conditioned by biologically active substances present in their granules and in their specific structures - EV (extracellular vesicles).
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Affiliation(s)
| | - Joanna Palma
- Department of Biochemical Sciences, Pomeranian Medical University, Szczecin, Poland
| | | | - Michał Stosik
- Institute of Biological Science, Faculty of Biological Sciences, University of Zielona Góra, Zielona Góra, Poland
| | - Roman Kołacz
- Institute of Veterinary Medicine, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Toruń, Poland
| | - Wiesław Deptuła
- Institute of Veterinary Medicine, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Toruń, Poland
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Hannachi N, Lepidi H, Fontanini A, Takakura T, Bou-Khalil J, Gouriet F, Habib G, Raoult D, Camoin-Jau L, Baudoin JP. A Novel Approach for Detecting Unique Variations among Infectious Bacterial Species in Endocarditic Cardiac Valve Vegetation. Cells 2020; 9:cells9081899. [PMID: 32823780 PMCID: PMC7464176 DOI: 10.3390/cells9081899] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/11/2020] [Accepted: 08/12/2020] [Indexed: 12/25/2022] Open
Abstract
Infectious endocarditis (IE) remains one of the deadliest heart diseases with a high death rate, generally following thrombo-embolic events. Today, therapy is based on surgery and antibiotic therapy. When thromboembolic complications in IE patients persist, this is often due to our lack of knowledge regarding the pathophysiological development and organization of cells in the vegetation, most notably the primordial role of platelets and further triggered hemostasis, which is related to the diversity of infectious microorganisms involved. Our objective was to study the organization of IE vegetations due to different bacteria species in order to understand the related pathophysiological mechanism of vegetation development. We present an approach for ultrastructural analysis of whole-infected heart valve tissue based on scanning electron microscopy and energy-dispersive X-ray spectroscopy. Our approach allowed us to detect differences in cell organization between the analyzed vegetations and revealed a distinct chemical feature in viridans Streptococci ones. Our results illustrate the benefits that such an approach may bring for guiding therapy, considering the germ involved for each IE patient.
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Affiliation(s)
- Nadji Hannachi
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
| | - Hubert Lepidi
- Laboratoire D’anatomie et de Cytologie Pathologique, Hôpital de la Timone, AP-HM, boulevard Jean-Moulin, 13005 Marseille, France;
| | - Anthony Fontanini
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
| | - Tatsuki Takakura
- Hitachi High-Tech Corporation, Analytical & Medical Solution Business Group 882 Ichige, Hitachinaka-shi, Ibaraki-ken 312-8504, Japan;
| | - Jacques Bou-Khalil
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
| | - Frédérique Gouriet
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
| | - Gilbert Habib
- Département de Cardiologie, Hôpital de la Timone, AP-HM, Boulevard Jean-Moulin, 13005 Marseille, France;
| | - Didier Raoult
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
| | - Laurence Camoin-Jau
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
- Laboratoire D’Hématologie, Hôpital de la Timone, APHM, Boulevard Jean- Moulin, 13005 Marseille, France
| | - Jean-Pierre Baudoin
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée Infection, 13005 Marseille, France; (N.H.); (A.F.); (J.B.-K.); (F.G.); (D.R.); (L.C.-J.)
- Correspondence: ; Tel.: +33-4-1373-2401; Fax: +33-4-1373-2402
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Hannachi N, Ogé-Ganaye E, Baudoin JP, Fontanini A, Bernot D, Habib G, Camoin-Jau L. Antiplatelet Agents Have a Distinct Efficacy on Platelet Aggregation Induced by Infectious Bacteria. Front Pharmacol 2020; 11:863. [PMID: 32581813 PMCID: PMC7291881 DOI: 10.3389/fphar.2020.00863] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 05/26/2020] [Indexed: 02/01/2023] Open
Abstract
Platelets are the cornerstone of hemostasis. However, their exaggerated aggregation induces deleterious consequences. In several diseases, such as infectious endocarditis and sepsis, the interaction between platelets and bacteria leads to platelet aggregation. Despite platelet involvement, no antiplatelet therapy is currently recommended in these infectious diseases. We aimed here, to evaluate, in vitro, the effect of antiplatelet drugs on platelet aggregation induced by two of the bacterial pathogens most involved in infectious endocarditis, Staphylococcus aureus and Streptococcus sanguinis. Blood samples were collected from healthy donors (n = 43). Treated platelet rich plasmas were incubated with three bacterial strains of each species tested. Platelet aggregation was evaluated by Light Transmission Aggregometry. CD62P surface exposure was evaluated by flow cytometry. Aggregate organizations were analyzed by scanning electron microscopy. All the strains tested induced a strong platelet aggregation. Antiplatelet drugs showed distinct effects depending on the bacterial species involved with different magnitude between strains of the same species. Ticagrelor exhibited the highest inhibitory effect on platelet activation (p <0.001) and aggregation (p <0.01) induced by S. aureus. In the case of S. sanguinis, platelet activation and aggregation were better inhibited using the combination of both aspirin and ticagrelor (p <0.05 and p <0.001 respectively). Aggregates ultrastructure and effect of antiplatelet drugs observed by scanning electron microscopy depended on the species involved. Our results highlighted that the effect of antiplatelet drugs depended on the bacterial species involved. We might recommend therefore to consider the germ involved before introduction of an optimal antiplatelet therapy.
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Affiliation(s)
- Nadji Hannachi
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
| | - Emma Ogé-Ganaye
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
- Laboratoire d’Hématologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, Marseille, France
| | - Jean-Pierre Baudoin
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
| | - Anthony Fontanini
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
| | - Denis Bernot
- Laboratoire d’Hématologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, Marseille, France
| | - Gilbert Habib
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
- Département de cardiologie, Hôpital de la Timone, AP-HM, Boulevard Jean-Moulin, Marseille, France
| | - Laurence Camoin-Jau
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU Méditerranée infection, Marseille, France
- Laboratoire d’Hématologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, Marseille, France
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