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Wu F, Li Y, Jiang N, Jiang X, Liu X, Dai X, Wang F. Increased platelet-CD8+ T-cell aggregates displaying high activation, exhaustion, and tendency to death correlate with disease progression in people with HIV-1. J Leukoc Biol 2024; 116:166-176. [PMID: 38450750 DOI: 10.1093/jleuko/qiae048] [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: 07/31/2023] [Revised: 01/31/2024] [Accepted: 02/19/2024] [Indexed: 03/08/2024] Open
Abstract
Platelets engage in HIV-1 infection by interacting with immune cells, which has been realized broadly. However, the potential interaction between platelets and CD8+ T cells remains unidentified. Here, treatment-naive individuals with HIV-1, complete immunological responders to antiretroviral therapy, and healthy controls were enrolled. First, we found that treatment-naive individuals with HIV-1 had low platelet numbers and high CD8+ T-cell counts when compared with complete immunological responders to antiretroviral therapy and healthy controls, leading to a low platelet/CD8+ T-cell ratio in peripheral blood, which could effectively differentiate the status of HIV-1 infection. Moreover, cytokines that may have been derived from platelets were higher in the plasma of people with HIV-1 despite viral suppression. Furthermore, we demonstrated that platelet-CD8+ T-cell aggregates were elevated in treatment-naive individuals with HIV-1, which positively correlated with HIV-1 viral load but negatively correlated with CD4+ T-cell count and CD4/CD8 ratio. Finally, we revealed that platelet-CD8+ T-cell aggregates correlate with enhanced activation/exhaustion and pyroptosis/apoptosis compared with free CD8+ T cells. Moreover, platelet-induced caspase 1 activation of CD8+ T cells correlated with IL-1β and IL-18 plasma levels. In brief, we reveal the importance of platelets in HIV-1 infection, which might secrete more cytokines and mediate CD8+ T-cell phenotypic characteristics by forming platelet-CD8+ T-cell aggregates, which are related to poor prognosis.
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Affiliation(s)
- Fengying Wu
- Division of Infectious Diseases, Department of Internal medicine, State Key Laboratory of Complex Severe and Rare Disease, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
| | - Yuanchun Li
- Division of Infectious Diseases, Department of Internal medicine, State Key Laboratory of Complex Severe and Rare Disease, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
| | - Nan Jiang
- 4+4 Medical Doctor Program, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
| | - Xu Jiang
- Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
| | - Xiaoqing Liu
- Division of Infectious Diseases, Department of Internal medicine, State Key Laboratory of Complex Severe and Rare Disease, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
- Clinical Epidemiology Unit, Peking Union Medical College, International Clinical Epidemiology Network, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
- Center for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing 100730, China
| | - Xiaopeng Dai
- Noncommissioned Officer School, Army Medical University, No.450 Zhongshan West Road, Qiaoxi District, Shijiazhuang, Hebei 050081, China
| | - Fusheng Wang
- Department of Infectious Diseases, the Fifth Medical Centre of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, No.100 West Fourth Ring Middle Road, Fengtai District, Beijing 100039, China
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Semple JW, Schifferli A, Cooper N, Saad H, Mytych DT, Chea LS, Newland A. Immune thrombocytopenia: Pathophysiology and impacts of Romiplostim treatment. Blood Rev 2024:101222. [PMID: 38942688 DOI: 10.1016/j.blre.2024.101222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 06/04/2024] [Accepted: 06/18/2024] [Indexed: 06/30/2024]
Abstract
Immune thrombocytopenia (ITP) is an autoimmune bleeding disease caused by immune-mediated platelet destruction and decreased platelet production. ITP is characterized by an isolated thrombocytopenia (<100 × 109/L) and increased risk of bleeding. The disease has a complex pathophysiology wherein immune tolerance breakdown leads to platelet and megakaryocyte destruction. Therapeutics such as corticosteroids, intravenous immunoglobulins (IVIg), rituximab, and thrombopoietin receptor agonists (TPO-RAs) aim to increase platelet counts to prevent hemorrhage and increase quality of life. TPO-RAs act via stimulation of TPO receptors on megakaryocytes to directly stimulate platelet production. Romiplostim is a TPO-RA that has become a mainstay in the treatment of ITP. Treatment significantly increases megakaryocyte maturation and growth leading to improved platelet production and it has recently been shown to have additional immunomodulatory effects in treated patients. This review will highlight the complex pathophysiology of ITP and discuss the usage of Romiplostim in ITP and its ability to potentially immunomodulate autoimmunity.
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Affiliation(s)
- John W Semple
- Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden, Clinical Immunology and Transfusion Medicine, Office of Medical Services, Region Skåne, Lund, Sweden; Departments of Pharmacology, Medicine and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, USA.
| | - Alexandra Schifferli
- Department of Hematology/Oncology, University Children's Hospital Basel, Basel, Switzerland
| | | | | | | | | | - Adrian Newland
- Barts and The London School of Medicine and Dentistry, London, UK.
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Pan K, Zhu Y, Chen P, Yang K, Chen Y, Wang Y, Dai Z, Huang Z, Zhong P, Zhao X, Fan S, Ning L, Zhang J, Chen P. Biological functions and biomedical applications of extracellular vesicles derived from blood cells. Free Radic Biol Med 2024; 222:43-61. [PMID: 38848784 DOI: 10.1016/j.freeradbiomed.2024.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/26/2024] [Accepted: 06/04/2024] [Indexed: 06/09/2024]
Abstract
There is a growing interest in using extracellular vesicles (EVs) for therapeutic applications. EVs are composed of cytoplasmic proteins and nucleic acids and an external lipid bilayer containing transmembrane proteins on their surfaces. EVs can alter the state of the target cells by interacting with the receptor ligand of the target cell or by being internalised by the target cell. Blood cells are the primary source of EVs, and 1 μL of plasma contains approximately 1.5 × 107 EVs. Owing to their easy acquisition and the avoidance of cell amplification in vitro, using blood cells as a source of therapeutic EVs has promising clinical application prospects. This review summarises the characteristics and biological functions of EVs derived from different blood cell types (platelets, erythrocytes, and leukocytes) and analyses the prospects and challenges of using them for clinical therapeutic applications. In summary, blood cell-derived EVs can regulate different cell types such as immune cells (macrophages, T cells, and dendritic cells), stem cells, and somatic cells, and play a role in intercellular communication, immune regulation, and cell proliferation. Overall, blood cell-derived EVs have the potential for use in vascular diseases, inflammatory diseases, degenerative diseases, and injuries. To promote the clinical translation of blood cell-derived EVs, researchers need to perform further studies on EVs in terms of scalable and reproducible isolation technology, quality control, safety, stability and storage, regulatory issues, cost-effectiveness, and long-term efficacy.
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Affiliation(s)
- Kaifeng Pan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Yiwei Zhu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Pengyu Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Ke Yang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Yiyu Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Yongcheng Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Zhanqiu Dai
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China; Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325088, China
| | - Zhenxiang Huang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Peiyu Zhong
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China
| | - Xing Zhao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China.
| | - Shunwu Fan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China.
| | - Lei Ning
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China.
| | - Jianfeng Zhang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China.
| | - Pengfei Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China; Key Laboratory of Mechanism Research and Precision Repair of Orthopaedic Trauma and Aging Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310016, China.
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Guo J, Cui B, Zheng J, Yu C, Zheng X, Yi L, Zhang S, Wang K. Platelet-derived microparticles and their cargos: The past, present and future. Asian J Pharm Sci 2024; 19:100907. [PMID: 38623487 PMCID: PMC11016590 DOI: 10.1016/j.ajps.2024.100907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 01/05/2024] [Accepted: 01/31/2024] [Indexed: 04/17/2024] Open
Abstract
All eukaryotic cells can secrete extracellular vesicles, which have a double-membrane structure and are important players in the intercellular communication involved in a variety of important biological processes. Platelets form platelet-derived microparticles (PMPs) in response to activation, injury, or apoptosis. This review introduces the origin, pathway, and biological functions of PMPs and their importance in physiological and pathological processes. In addition, we review the potential applications of PMPs in cancer, vascular homeostasis, thrombosis, inflammation, neural regeneration, biomarkers, and drug carriers to achieve targeted drug delivery. In addition, we comprehensively report on the origin, biological functions, and applications of PMPs. The clinical transformation, high heterogeneity, future development direction, and limitations of the current research on PMPs are also discussed in depth. Evidence has revealed that PMPs play an important role in cell-cell communication, providing clues for the development of PMPs as carriers for relevant cell-targeted drugs. The development history and prospects of PMPs and their cargos are explored in this guidebook.
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Affiliation(s)
- Jingwen Guo
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001 China
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Bufeng Cui
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001 China
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Jie Zheng
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001 China
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Chang Yu
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Xuran Zheng
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Lixin Yi
- School of Pharmacy, China Medical University, Shenyang 110122, China
- Department of Pharmacy, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
| | - Simeng Zhang
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang 110001, China
| | - Keke Wang
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001 China
- School of Pharmacy, China Medical University, Shenyang 110122, China
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Neyrinck-Leglantier D, Tamagne M, Ben Rayana R, Many S, Vingert P, LeGagneux J, Delorme AS, Andrieu M, Boilard E, Cognasse F, Hamzeh-Cognasse H, Perez-Patrigeon S, Lelievre JD, Pirenne F, Gallien S, Vingert B. Immunoregulatory molecule expression on extracellular microvesicles in people living with HIV. Front Immunol 2024; 15:1354065. [PMID: 38500878 PMCID: PMC10944887 DOI: 10.3389/fimmu.2024.1354065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 02/20/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction People living with HIV (PLWH) now benefit from combined antiviral treatments that durably control viral replication. These antiretroviral treatments decrease mortality and improve quality of life in PLWH, but do not completely control the excessive non-specific activation of the immune system in PLWH. This chronic immune activation is a key element of HIV immunopathology that contributes to the pathophysiology of inflammatory comorbid conditions, such as cardiovascular disorders, cancer and autoimmune diseases. Circulating non-exosomal extracellular vesicles, also known as microparticles (MPs) are detected in these diseases and have been linked to immune activation. The objective of this study was to characterize the MPs present in PLWH and to assess their association with chronic immune activation. Methods We performed flow cytometry for the complete phenotypic characterization of MPs from fresh plasma from PLWH and from people without HIV as the control group. The absolute number, size and cellular origin of MPs were evaluated. The immunoregulatory profile was determined by cell origin, for MPs derived from platelets (PMPs), monocytes (MMPs) and T lymphocytes (LMPs). Results PLWH had significantly more circulating MPs than controls, for MPs of all sizes originating from T lymphocytes, red blood cells, neutrophils, dendritic cells, B lymphocytes and endothelial cells. PMPs and MMPs were not more numerous in PLWH, but the immunoregulatory phenotypes of these MPs differed between PLWH and controls. These differences in immunoregulatory molecule expression profile were also observed for LMPs. PDL1, ICOSL, CCR5, TGFβ1, MHC classes I and II, TRAIL, CXCR4, OX40, DC-SIGN, CTLA4 and PDL2 were more strongly expressed on the surface of MPs from PLWH than on those from controls. Conclusion MPs are an important element in intercellular communication, making it possible to transfer phenotypes and functions to immune cells. The significantly higher numbers of MPs expressing diverse immunomodulatory molecules in PLWH may make a major contribution to the maintenance and/or the development of immune-cell activation in these individuals.
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Affiliation(s)
- Deborah Neyrinck-Leglantier
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Marie Tamagne
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Raida Ben Rayana
- Service de Maladies Infectieuses et Immunologie Clinique, Centre Hospitalier Universitaire Henri-Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Souganya Many
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
| | - Paul Vingert
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Julie LeGagneux
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Adèle Silane Delorme
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Muriel Andrieu
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
| | - Eric Boilard
- Faculté de Médecine and Centre de Recherche ARThrite, Université Laval, Québec, QC, Canada
- Centre de Recherche du Centre Hospitalier Universitaire de Québec, Université Laval, Québec, QC, Canada
| | - Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Etienne, France
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Etienne, France
| | | | | | - Jean-Daniel Lelievre
- Service de Maladies Infectieuses et Immunologie Clinique, Centre Hospitalier Universitaire Henri-Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - France Pirenne
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Sébastien Gallien
- Service de Maladies Infectieuses et Immunologie Clinique, Centre Hospitalier Universitaire Henri-Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Benoît Vingert
- Univ Paris Est-Creteil (UPEC), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang (EFS), Ivry-sur-Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
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Zhu Z, Wang D, Lu X, Jiang T, Zhang L, Chen M, Chen S. Platelet-derived extracellular vesicles are associated with kidney injury in patients with urosepsis. Mol Cell Probes 2024; 73:101949. [PMID: 38215889 DOI: 10.1016/j.mcp.2024.101949] [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: 07/09/2023] [Revised: 12/22/2023] [Accepted: 01/05/2024] [Indexed: 01/14/2024]
Abstract
BACKGROUND There is increasing evidence that platelet-derived extracellular vesicles (PEVs) may be involved in the mechanisms of inflammatory storm and organ damage in sepsis. However, there are no available studies on PEVs and renal injury in patients with urosepsis. METHODS We analyzed the concentration and ratio of PEVs in plasma by flow cytometry and measured plasma IL-1β/IL-6/TNF-α/NGAL levels by ELISA. Correlation analysis was also used to examine the concentration of PEVs in relation to levels of inflammatory factors and indicators of kidney damage, as well as the severity of the disease. Finally, the receiver operating characteristic curves were produced for PEVs concentrations as a diagnosis of S-AKI/AKI. RESULTS We found significantly higher levels of IL-1β/IL-6/TNF-α/NGAL in patients with urogenital sepsis. Furthermore, the concentrations of PEVs in plasma were significantly elevated in patients with urosepsis, especially in patients with Gram-negative bacterial infections, which were significantly and positively correlated with IL-1β/IL-6/TNF-α/NGAL levels. The area under the curve for PEVs diagnosing S-AKI and AKI was 0.746 [0.484, 1.000] and 0.943 [0.874, 1.000] respectively. CONCLUSION Overall, the present study suggested that PEVs may mediate the release of inflammatory mediators in patients with urosepsis and participate in the mechanism of acute kidney injury, as well as having potential as diagnostic indicators of S-AKI and AKI and as early warning indicators of the severity of patients with urosepsis.
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Affiliation(s)
- Zepeng Zhu
- Department of Urology, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, China; Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Dong Wang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Xun Lu
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Tiancheng Jiang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Lei Zhang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Ming Chen
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China.
| | - Shuqiu Chen
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China.
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7
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Wang B, Wang Z, Yang W, Han L, Huang Q, Yawalkar N, Zhang Z, Yao Y, Yan K. Unlocking the role of the B7-H4 polymorphism in psoriasis: Insights into methotrexate treatment outcomes: A prospective cohort study. Immunology 2024; 171:104-116. [PMID: 37814391 DOI: 10.1111/imm.13704] [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: 06/25/2023] [Accepted: 09/28/2023] [Indexed: 10/11/2023] Open
Abstract
B7-H4 is a recently discovered member of B7 family that negatively regulates T-cell immunity, specifically Th1 and Th17 cell responses. However, its role in the pathogenesis of psoriasis has yet to be determined. This study aims to investigate the effect of B7-H4 polymorphism on the efficacy of methotrexate (MTX) and its mechanism in psoriasis. Four single nucleotide polymorphisms of B7-H4 were genotyped in 310 psoriatic patients who received 12-week MTX. The protein expression of B7-H4 in platelets was characterized using immunofluorescence staining, confocal laser scanning microscopy, and flow cytometry techniques. We found that GG genotype carriers of B7-H4 rs1935780 had a lower Psoriasis Area and Severity Index (PASI) 75 response rate and higher weight (p = 0.0245) and body mass index (p = 0.0185) than AA and AG genotype carriers. Multiple regression analysis showed that the PASI score at baseline (p = 0.01) and age at disease onset (p = 0.003) were positively correlated with PASI 75 response rate, while weight (p = 0.005) and the rs1935780 genotype (p = 0.003) were negatively associated with PASI 75 response rate. B7-H4 was expressed in the platelet plasma membrane and cytoplasm. Furthermore, the expression of B7-H4 protein in platelets was lower in good responders than in non-responders and was upregulated considerably after 12-week MTX or in vitro MTX stimulation in good responders. Collectively, these results demonstrate that psoriatic patients with GG genotype of B7-H4 rs1935780 had a poorer response to MTX. Low expression of B7-H4 protein in platelets correlated with better clinical outcomes of MTX in psoriasis.
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Affiliation(s)
- Bing Wang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
| | - Zhicheng Wang
- Department of Transfusion Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenjing Yang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
| | - Ling Han
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
| | - Qiong Huang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
| | - Nikhil Yawalkar
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Zhenghua Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
| | - Yu Yao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Kexiang Yan
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai Institute of Dermatology, Shanghai, China
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8
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Li S, Lu Z, Wu S, Chu T, Li B, Qi F, Zhao Y, Nie G. The dynamic role of platelets in cancer progression and their therapeutic implications. Nat Rev Cancer 2024; 24:72-87. [PMID: 38040850 DOI: 10.1038/s41568-023-00639-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/13/2023] [Indexed: 12/03/2023]
Abstract
Systemic antiplatelet treatment represents a promising option to improve the therapeutic outcomes and therapeutic efficacy of chemotherapy and immunotherapy due to the critical contribution of platelets to tumour progression. However, until recently, targeting platelets as a cancer therapeutic has been hampered by the elevated risk of haemorrhagic and thrombocytopenic (low platelet count) complications owing to the lack of specificity for tumour-associated platelets. Recent work has advanced our understanding of the molecular mechanisms responsible for the contribution of platelets to tumour progression and metastasis. This has led to the identification of the biological changes in platelets in the presence of tumours, the complex interactions between platelets and tumour cells during tumour progression, and the effects of platelets on antitumour therapeutic response. In this Review, we present a detailed picture of the dynamic roles of platelets in tumour development and progression as well as their use in diagnosis, prognosis and monitoring response to therapy. We also provide our view on how to overcome challenges faced by the development of precise antiplatelet strategies for safe and efficient clinical cancer therapy.
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Affiliation(s)
- Suping Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China.
| | - Zefang Lu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Suying Wu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Tianjiao Chu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- College of Pharmaceutical Science, Jilin University, Changchun, China
| | - Bozhao Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Feilong Qi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
- Department of Chemistry, Tsinghua University, Beijing, China
| | - Yuliang Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China.
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9
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Abstract
Platelet-derived extracellular vesicles (PEVs) are a subset of EVs that are released from platelets, which are small nuclear cell fragments that play a critical role in hemostasis and thrombosis. PEVs have been shown to have important roles in a variety of physiological and pathological processes, including inflammation, angiogenesis, and cancer. Recently, researchers, including our group have utilized PEVs as drug delivery platforms as PEVs could target inflammatory sites both passively and actively. This review summarizes the biological function of PEVs, introduces recent applications of PEVs in targeted drug delivery, and provides an outlook for the further development of utilizing PEVs for drug delivery.
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Affiliation(s)
- Chenlu Yao
- Laboratory for Biomaterial and ImmunoEngineering, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
| | - Chao Wang
- Laboratory for Biomaterial and ImmunoEngineering, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
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10
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Mabrouk M, Guessous F, Naya A, Merhi Y, Zaid Y. The Pathophysiological Role of Platelet-Derived Extracellular Vesicles. Semin Thromb Hemost 2023; 49:279-283. [PMID: 36174608 DOI: 10.1055/s-0042-1756705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Platelets are very abundant in the blood, where they play a role in hemostasis, inflammation, and immunity. When activated, platelets undergo a conformational change that allows the release of numerous effector molecules as well as the production of extracellular vesicles, which are circulating submicron vesicles (10 to 1,000 nm in diameter) released into the extracellular space. Extracellular vesicles are formed by the budding of platelet and they carry some of its contents, including nucleic acids, surface proteins, and organelles. While platelets cannot cross tissue barriers, platelet-derived extracellular vesicles can enter the lymph, bone marrow, and synovial fluid. This allows the transfer of diverse contents carried by these platelet-derived vesicles to cell recipients and organs inaccessible to platelets where they can perform many functions. This review highlights the importance of these platelet-derived extracellular vesicles under different physiological and pathophysiological conditions.
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Affiliation(s)
- Meryem Mabrouk
- Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco.,Department of Biology, Faculty of Sciences, Immunology and Biodiversity Laboratory, Hassan II University, Casablanca, Morocco
| | - Fadila Guessous
- Research of Center, Faculty of Medicine, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Abdallah Naya
- Department of Biology, Faculty of Sciences, Immunology and Biodiversity Laboratory, Hassan II University, Casablanca, Morocco
| | - Yahye Merhi
- Laboratory of Thrombosis and Hemostasis, Montreal Heart Institute, Research Center, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Younes Zaid
- Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco.,Department of Biology, Faculty of Sciences, Immunology and Biodiversity Laboratory, Hassan II University, Casablanca, Morocco
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11
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Cagnet L, Neyrinck-Leglantier D, Tamagne M, Berradhia L, Khelfa M, Cleophax S, Pirenne F, Vingert B. CD27+ microparticle interactions and immunoregulation of CD4+ T lymphocytes. Front Immunol 2023; 14:1043255. [PMID: 36969173 PMCID: PMC10034125 DOI: 10.3389/fimmu.2023.1043255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 02/24/2023] [Indexed: 03/12/2023] Open
Abstract
IntroductionAplasia and hematological malignancies are treated with platelet transfusions, which can have major immunomodulatory effects. Platelet concentrates (PCs) contain many immunomodulatory elements, including the platelets themselves, residual leukocytes, extracellular vesicles, such as microparticles (MPs), cytokines and other soluble elements. Two of these components, MPs and a soluble form of CD27 (sCD27), have been shown to play a particularly important role in immune system modulation. The loss of CD27 expression is an irreversible marker of terminal effector CD3+ T-lymphocyte (TL) differentiation, and the CD27+ MPs present in PCs may maintain CD27 expression on the surface of TLs, and, thus, the activation of these cells.MethodsIn this study, we phenotyped the CD27-expressing MPs present in PCs by microscale flow cytometry and investigated the interaction of these particles with CD4+ TLs. We cocultured MPs and PBMCs and determined the origin of the CD27 expressed on the surface of CD4+ TLs with the aid of two fluorochromes (BV510 for CD27 originating from MPs and BV786 for cellular CD27).ResultsWe showed that the binding of CD27- expressing MPs involved the CD70 molecule, which was also present on these MPs. Finally, the maintenance of CD27 expression on the surface of TLs by sorted CD27+ MPs led to activation levels lower than those observed with other types of MPs.DiscussionThese results for CD27-expressing MPs and their CD70-mediated targeting open up new possibilities for immunotherapy based on the use of MPs to maintain a phenotype or to target immune cells, for example. Moreover, decreasing the levels of CD27-expressing MPs in transfused platelets might also increase the chances of success for anti-CD27 monoclonal immunotherapy.
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Affiliation(s)
- Léonie Cagnet
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Déborah Neyrinck-Leglantier
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Marie Tamagne
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Lylia Berradhia
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Mehdi Khelfa
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | | | - France Pirenne
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Benoît Vingert
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
- *Correspondence: Benoît Vingert,
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12
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Yuan H, Liu Y, Zhang J, Dong JF, Zhao Z. Transcription factors in megakaryocytes and platelets. Front Immunol 2023; 14:1140501. [PMID: 36969155 PMCID: PMC10034027 DOI: 10.3389/fimmu.2023.1140501] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Transcription factors bind promoter or regulatory sequences of a gene to regulate its rate of transcription. However, they are also detected in anucleated platelets. The transcription factors RUNX1, GATA1, STAT3, NFκB, and PPAR have been widely reported to play key roles in the pathophysiology of platelet hyper-reactivity, thrombosis, and atherosclerosis. These non-transcriptional activities are independent of gene transcription or protein synthesis but their underlying mechanisms of action remain poorly defined. Genetic and acquired defects in these transcription factors are associated with the production of platelet microvesicles that are known to initiate and propagate coagulation and to promote thrombosis. In this review, we summarize recent developments in the study of transcription factors in platelet generation, reactivity, and production of microvesicles, with a focus on non-transcriptional activities of selected transcription factors.
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Affiliation(s)
- Hengjie Yuan
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- BloodWorks Research Institute, Seattle, WA, United States
| | - Yafan Liu
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Jianning Zhang
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing-fei Dong
- BloodWorks Research Institute, Seattle, WA, United States
- Division of Hematology, Department of Medicine, University of Washington, School of Medicine, Seattle, WA, United States
- *Correspondence: Zilong Zhao, ; Jing-fei Dong,
| | - Zilong Zhao
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- BloodWorks Research Institute, Seattle, WA, United States
- *Correspondence: Zilong Zhao, ; Jing-fei Dong,
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13
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Interactions between Platelets and Tumor Microenvironment Components in Ovarian Cancer and Their Implications for Treatment and Clinical Outcomes. Cancers (Basel) 2023; 15:cancers15041282. [PMID: 36831623 PMCID: PMC9953912 DOI: 10.3390/cancers15041282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/07/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023] Open
Abstract
Platelets, the primary operatives of hemostasis that contribute to blood coagulation and wound healing after blood vessel injury, are also involved in pathological conditions, including cancer. Malignancy-associated thrombosis is common in ovarian cancer patients and is associated with poor clinical outcomes. Platelets extravasate into the tumor microenvironment in ovarian cancer and interact with cancer cells and non-cancerous elements. Ovarian cancer cells also activate platelets. The communication between activated platelets, cancer cells, and the tumor microenvironment is via various platelet membrane proteins or mediators released through degranulation or the secretion of microvesicles from platelets. These interactions trigger signaling cascades in tumors that promote ovarian cancer progression, metastasis, and neoangiogenesis. This review discusses how interactions between platelets, cancer cells, cancer stem cells, stromal cells, and the extracellular matrix in the tumor microenvironment influence ovarian cancer progression. It also presents novel potential therapeutic approaches toward this gynecological cancer.
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14
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Li Y, Wang H, Zhao Z, Yang Y, Meng Z, Qin L. Effects of the interactions between platelets with other cells in tumor growth and progression. Front Immunol 2023; 14:1165989. [PMID: 37153586 PMCID: PMC10158495 DOI: 10.3389/fimmu.2023.1165989] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/31/2023] [Indexed: 05/09/2023] Open
Abstract
It has been confirmed that platelets play a key role in tumorigenesis. Tumor-activated platelets can recruit blood cells and immune cells to migrate, establish an inflammatory tumor microenvironment at the sites of primary and metastatic tumors. On the other hand, they can also promote the differentiation of mesenchymal cells, which can accelerate the proliferation, genesis and migration of blood vessels. The role of platelets in tumors has been well studied. However, a growing number of studies suggest that interactions between platelets and immune cells (e.g., dendritic cells, natural killer cells, monocytes, and red blood cells) also play an important role in tumorigenesis and tumor development. In this review, we summarize the major cells that are closely associated with platelets and discuss the essential role of the interaction between platelets with these cells in tumorigenesis and tumor development.
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15
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Tian C, Wang K, Zhao M, Cong S, Di X, Li R. Extracellular vesicles participate in the pathogenesis of sepsis. Front Cell Infect Microbiol 2022; 12:1018692. [PMID: 36579343 PMCID: PMC9791067 DOI: 10.3389/fcimb.2022.1018692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 11/23/2022] [Indexed: 12/14/2022] Open
Abstract
Sepsis is one of the leading causes of mortality worldwide and is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. The early diagnosis and effective treatment of sepsis still face challenges due to its rapid progression, dynamic changes, and strong heterogeneity among different individuals. To develop novel strategies to control sepsis, a better understanding of the complex mechanisms of sepsis is vital. Extracellular vesicles (EVs) are membrane vesicles released from cells through different mechanisms. In the disease state, the number of EVs produced by activated or apoptotic cells and the cargoes they carry were altered. They regulated the function of local or distant host cells in autocrine or paracrine ways. Current studies have found that EVs are involved in the occurrence and development of sepsis through multiple pathways. In this review, we focus on changes in the cargoes of EVs in sepsis, the regulatory roles of EVs derived from host cells and bacteria, and how EVs are involved in multiple pathological processes and organ dysfunction in sepsis. Overall, EVs have great application prospects in sepsis, such as early diagnosis of sepsis, dynamic monitoring of disease, precise therapeutic targets, and prevention of sepsis as a vaccine platform.
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Affiliation(s)
- Chang Tian
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Ke Wang
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Min Zhao
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Shan Cong
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Xin Di
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Ranwei Li
- Department of Urinary Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China,*Correspondence: Ranwei Li,
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16
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Dai Z, Zhao T, Song N, Pan K, Yang Y, Zhu X, Chen P, Zhang J, Xia C. Platelets and platelet extracellular vesicles in drug delivery therapy: A review of the current status and future prospects. Front Pharmacol 2022; 13:1026386. [PMID: 36330089 PMCID: PMC9623298 DOI: 10.3389/fphar.2022.1026386] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/03/2022] [Indexed: 11/24/2022] Open
Abstract
Platelets are blood cells that are primarily produced by the shedding of megakaryocytes in the bone marrow. Platelets participate in a variety of physiological and pathological processes in vivo, including hemostasis, thrombosis, immune-inflammation, tumor progression, and metastasis. Platelets have been widely used for targeted drug delivery therapies for treating various inflammatory and tumor-related diseases. Compared to other drug-loaded treatments, drug-loaded platelets have better targeting, superior biocompatibility, and lower immunogenicity. Drug-loaded platelet therapies include platelet membrane coating, platelet engineering, and biomimetic platelets. Recent studies have indicated that platelet extracellular vesicles (PEVs) may have more advantages compared with traditional drug-loaded platelets. PEVs are the most abundant vesicles in the blood and exhibit many of the functional characteristics of platelets. Notably, PEVs have excellent biological efficacy, which facilitates the therapeutic benefits of targeted drug delivery. This article provides a summary of platelet and PEVs biology and discusses their relationships with diseases. In addition, we describe the preparation, drug-loaded methods, and specific advantages of platelets and PEVs targeted drug delivery therapies for treating inflammation and tumors. We summarize the hot spots analysis of scientific articles on PEVs and provide a research trend, which aims to give a unique insight into the development of PEVs research focus.
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Affiliation(s)
- Zhanqiu Dai
- Department of Spine Surgery, Zhejiang Provincial People’s Hospital, Hangzhou Medical College People’s Hospital, Hangzhou, Zhejiang, China
- Department of Orthopaedics, The Second Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Tingxiao Zhao
- Department of Spine Surgery, Zhejiang Provincial People’s Hospital, Hangzhou Medical College People’s Hospital, Hangzhou, Zhejiang, China
| | - Nan Song
- Department of Pathology, Zhejiang Provincial People’s Hospital, Hangzhou, China
| | - Kaifeng Pan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Yang Yang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Xunbin Zhu
- Department of Orthopaedics, The Second Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Pengfei Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
- *Correspondence: Pengfei Chen, ; Jun Zhang, ; Chen Xia,
| | - Jun Zhang
- Department of Spine Surgery, Zhejiang Provincial People’s Hospital, Hangzhou Medical College People’s Hospital, Hangzhou, Zhejiang, China
- *Correspondence: Pengfei Chen, ; Jun Zhang, ; Chen Xia,
| | - Chen Xia
- Department of Spine Surgery, Zhejiang Provincial People’s Hospital, Hangzhou Medical College People’s Hospital, Hangzhou, Zhejiang, China
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
- *Correspondence: Pengfei Chen, ; Jun Zhang, ; Chen Xia,
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Neyrinck-Leglantier D, Tamagne M, L’honoré S, Cagnet L, Pakdaman S, Marchand A, Pirenne F, Vingert B. Autologous blood extracellular vesicles and specific CD4+ T-cell co-activation. Front Immunol 2022; 13:992483. [PMID: 36172364 PMCID: PMC9510993 DOI: 10.3389/fimmu.2022.992483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/23/2022] [Indexed: 11/28/2022] Open
Abstract
Extracellular vesicles (EVs), which are generated by cell membrane budding in diverse cells, are present in variable numbers in the blood. An immunoregulatory role has been demonstrated principally for heterologous EVs, but the function of the EVs present naturally in blood remains unknown. We hypothesize that these autologous EVs might also modulate the phenotype and function of immune system cells, especially CD4+ T lymphocytes (TLs), as previously described for heterologous EVs. Several membranes and soluble immunoregulatory molecules were studied after the treatment of CD4+ TLs with autologous EVs. No direct activation was detected with autologous EVs, contrasting with the findings for heterologous EVs. However, following treatment with autologous EVs, a soluble form of CD27 (sCD27) was detected. sCD27 is strongly associated with lymphoproliferation. Autologous EVs have been shown to increase TL proliferation only after T-cell receptor (TcR) engagement due to polyclonal or specific-antigen stimulation. Our results therefore suggest that the EVs present in the blood have an immunomodulatory role different from that of heterologous EVs. These findings should be taken into account in future studies, particularly those focusing on infectious diseases, autotransfusion or doping practices.
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Affiliation(s)
- Déborah Neyrinck-Leglantier
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Marie Tamagne
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Sasha L’honoré
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Léonie Cagnet
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Sadaf Pakdaman
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - Alexandre Marchand
- Université Paris-Saclay, Laboratoire AntiDopage Français (LADF), Châtenay-Malabry, France
| | - France Pirenne
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
| | - BenoÎt Vingert
- Univ Paris Est-Creteil, INSERM, IMRB, Creteil, France
- Etablissement Français du Sang, Ivry-sur-Seine, France
- Laboratory of Excellence GR-Ex, Paris, France
- *Correspondence: BenoÎt Vingert,
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18
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Bordin A, Chirivì M, Pagano F, Milan M, Iuliano M, Scaccia E, Fortunato O, Mangino G, Dhori X, De Marinis E, D'Amico A, Miglietta S, Picchio V, Rizzi R, Romeo G, Pulcinelli F, Chimenti I, Frati G, De Falco E. Human platelet lysate-derived extracellular vesicles enhance angiogenesis through miR-126. Cell Prolif 2022; 55:e13312. [PMID: 35946052 DOI: 10.1111/cpr.13312] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/08/2022] [Accepted: 06/23/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES Extracellular vesicles (EVs) are key biological mediators of several physiological functions within the cell microenvironment. Platelets are the most abundant source of EVs in the blood. Similarly, platelet lysate (PL), the best platelet derivative and angiogenic performer for regenerative purposes, is enriched of EVs, but their role is still too poorly discovered to be suitably exploited. Here, we explored the contribution of the EVs in PL, by investigating the angiogenic features extrapolated from that possessed by PL. METHODS We tested angiogenic ability and molecular cargo in 3D bioprinted models and by RNA sequencing analysis of PL-derived EVs. RESULTS A subset of small vesicles is highly represented in PL. The EVs do not retain aggregation ability, preserving a low redox state in human umbilical vein endothelial cells (HUVECs) and increasing the angiogenic tubularly-like structures in 3D endothelial bioprinted constructs. EVs resembled the miRNome profile of PL, mainly enriched with small RNAs and a high amount of miR-126, the most abundant angiogenic miRNA in platelets. The transfer of miR-126 by EVs in HUVEC after the in vitro inhibition of the endogenous form, restored angiogenesis, without involving VEGF as a downstream target in this system. CONCLUSION PL is a biological source of available EVs with angiogenic effects involving a miRNAs-based cargo. These properties can be exploited for targeted molecular/biological manipulation of PL, by potentially developing a product exclusively manufactured of EVs.
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Affiliation(s)
- Antonella Bordin
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Maila Chirivì
- Department of Pathophysiology and Transplantation, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Francesca Pagano
- Institute of Biochemistry and Cell Biology, National Research Council of Italy (IBBC-CNR), Monterotondo, Rome, Italy
| | - Marika Milan
- UOC Neurologia, Fondazione Ca'Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Marco Iuliano
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Eleonora Scaccia
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Institute of Transfusion Medicine and Immunology, Mannheim Institute of Innate Immunoscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Orazio Fortunato
- Tumor Genomics Unit, Department of Research, IRCCS Fondazione Istituto Nazionale dei Tumori, Milan, Italy
| | - Giorgio Mangino
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Xhulio Dhori
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Elisabetta De Marinis
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Alessandra D'Amico
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Selenia Miglietta
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, La Sapienza University of Rome, Rome, Italy
| | - Vittorio Picchio
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Roberto Rizzi
- Istituto Nazionale Genetica Molecolare INGM 'Romeo ed Enrica Invernizzi', Milan, Italy
- Institute of Biomedical Technologies, National Research Council of Italy (ITB-CNR), Milan, Italy
| | - Giovanna Romeo
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Fabio Pulcinelli
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Isotta Chimenti
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Mediterranea Cardiocentro, Naples, Italy
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Department of AngioCardioNeurology, IRCCS Neuromed, Pozzili, Italy
| | - Elena De Falco
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Mediterranea Cardiocentro, Naples, Italy
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19
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Georgatzakou HT, Fortis SP, Papageorgiou EG, Antonelou MH, Kriebardis AG. Blood Cell-Derived Microvesicles in Hematological Diseases and beyond. Biomolecules 2022; 12:biom12060803. [PMID: 35740926 PMCID: PMC9220817 DOI: 10.3390/biom12060803] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 12/12/2022] Open
Abstract
Microvesicles or ectosomes represent a major type of extracellular vesicles that are formed by outward budding of the plasma membrane. Typically, they are bigger than exosomes but smaller than apoptotic vesicles, although they may overlap with both in size and content. Their release by cells is a means to dispose redundant, damaged, or dangerous material; to repair membrane lesions; and, primarily, to mediate intercellular communication. By participating in these vital activities, microvesicles may impact a wide array of cell processes and, consequently, changes in their concentration or components have been associated with several pathologies. Of note, microvesicles released by leukocytes, red blood cells, and platelets, which constitute the vast majority of plasma microvesicles, change under a plethora of diseases affecting not only the hematological, but also the nervous, cardiovascular, and urinary systems, among others. In fact, there is evidence that microvesicles released by blood cells are significant contributors towards pathophysiological states, having inflammatory and/or coagulation and/or immunomodulatory arms, by either promoting or inhibiting the relative disease phenotypes. Consequently, even though microvesicles are typically considered to have adverse links with disease prognosis, progression, or outcomes, not infrequently, they exert protective roles in the affected cells. Based on these functional relations, microvesicles might represent promising disease biomarkers with diagnostic, monitoring, and therapeutic applications, equally to the more thoroughly studied exosomes. In the current review, we provide a summary of the features of microvesicles released by blood cells and their potential implication in hematological and non-hematological diseases.
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Affiliation(s)
- Hara T. Georgatzakou
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (H.T.G.); (S.P.F.); (E.G.P.)
| | - Sotirios P. Fortis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (H.T.G.); (S.P.F.); (E.G.P.)
| | - Effie G. Papageorgiou
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (H.T.G.); (S.P.F.); (E.G.P.)
| | - Marianna H. Antonelou
- Department of Biology, Section of Cell Biology and Biophysics, National & Kapodistrian University of Athens (NKUA), 15784 Athens, Greece
- Correspondence: (M.H.A.); (A.G.K.); Tel.: +30-210-727-4873 (M.H.A.); +30-210-538-5813 (A.G.K.)
| | - Anastasios G. Kriebardis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (H.T.G.); (S.P.F.); (E.G.P.)
- Correspondence: (M.H.A.); (A.G.K.); Tel.: +30-210-727-4873 (M.H.A.); +30-210-538-5813 (A.G.K.)
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20
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Hwang W, Shimizu M, Lee JW. Role of extracellular vesicles in severe pneumonia and sepsis. Expert Opin Biol Ther 2022; 22:747-762. [PMID: 35418256 PMCID: PMC9971738 DOI: 10.1080/14712598.2022.2066470] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Extracellular vesicles (EV) released constitutively or following external stimuli from structural and immune cells are now recognized as important mediators of cell-to-cell communication. They are involved in the pathogenesis of pneumonia and sepsis, leading causes of acute respiratory distress syndrome (ARDS) where mortality rates remain up to 40%. Multiple investigators have demonstrated that one of the underlying mechanisms of the effects of EVs is through the transfer of EV content to host cells, resulting in apoptosis, inflammation, and permeability in target organs. AREAS COVERED The current review focuses on preclinical research examining the role of EVs released into the plasma and injured alveolus during pneumonia and sepsis. EXPERT OPINION Inflammation is associated with elevated levels of circulating EVs that are released by activated structural and immune cells and can have significant proinflammatory, procoagulant, and pro-permeability effects in critically ill patients with pneumonia and/or sepsis. However, clinical translation of the use of EVs as biomarkers or potential therapeutic targets may be limited by current methodologies used to identify and quantify EVs accurately (whether from host cells or infecting organisms) and lack of understanding of the role of EVs in the reparative phase during recovery from pneumonia and/or sepsis.
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Affiliation(s)
- Wonjung Hwang
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary’s hospital, Catholic College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Masaru Shimizu
- Department of Anesthesiology, University of California, San Francisco, San Francisco, California
| | - Jae-Woo Lee
- Department of Anesthesiology, University of California, San Francisco, San Francisco, California.,Jae-Woo Lee, MD, Professor, University of California San Francisco, Department of Anesthesiology, 505 Parnassus Ave., Box 0648, San Francisco, CA 94143, Telephone: (415) 476-0452, Fax: (415) 514-2999,
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21
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Żmigrodzka M, Witkowska-Piłaszewicz O, Pingwara R, Winnicka A. Platelet Extracellular Vesicles Are Taken up by Canine T Lymphocytes but Do Not Play a Role in Their Proliferation, Differentiation and Cytokine Production In Vitro. Int J Mol Sci 2022; 23:5504. [PMID: 35628314 PMCID: PMC9144133 DOI: 10.3390/ijms23105504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/23/2022] Open
Abstract
Eukaryotic and prokaryotic cells in physiological and pathological conditions form membrane-bound extracellular vesicles, known as EVs. The ability of these submicron structures to transfer their cargoes (miRNA, DNA, protein, cytokines, receptors, etc.) into recipient cells is described. Recent data revealed that platelet-derived extracellular vesicles (PEVs) crosstalk promotes cancer growth and metastasis formation. Moreover, they exert immunosuppressive activities on phagocytes. This EV subpopulation is the most abundant amongst all types in circulation. According to the authors' best knowledge, there is no information regarding the impact of PEVs on canine lymphocytes. The aim of this study was to evaluate the influence of PEVs on lymphocyte proliferation, phenotype and cytokine production in vitro. In the study, it was demonstrated (i) that PEVs interact differently with lymphocyte subsets and are preferentially associated with T-lymphocytes PBMC, while (ii) they are rarely detected in association with B-lymphocytes, and there is evidence that (iii) PEV uptake is observed after 7 h of co-culturing with lymphocytes. In addition, obtained data support the notion that PEVs do not influence in vitro lymphocyte proliferation, differentiation and cytokine production in a canine model.
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Affiliation(s)
- Magdalena Żmigrodzka
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland;
| | - Olga Witkowska-Piłaszewicz
- Department of Large Animal Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland;
| | - Rafał Pingwara
- Department of Physiological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland;
| | - Anna Winnicka
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland;
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22
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Association of Clinical Features of Colorectal Cancer with Circulating Tumor Cells and Systemic Inflammatory Markers. DISEASE MARKERS 2022; 2022:5105599. [PMID: 35493298 PMCID: PMC9050256 DOI: 10.1155/2022/5105599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/16/2022] [Indexed: 12/23/2022]
Abstract
Background. Circulating tumor cells (CTCs) in peripheral blood have been shown to reflect the prognosis of patients with colorectal cancer, and epithelial and mesenchymal markers further predict the likelihood of cancer dissemination. This study was conducted to identify possible association of clinical features of colorectal cancer with CTC counts, their subtypes, and systemic inflammatory markers. Methods. Blood samples of 316 colorectal cancer patients were used for CTC detection and subtyping with EpCAM, CK8/18/19, vimentin, and twist as biomarkers. The neutrophil/lymphocyte ratio, platelet/lymphocyte ratio, C-reactive protein/albumin ratio, lymphocyte/monocyte ratio, and systemic immune-inflammation index (SII) were also measured. The relationship between clinical data and these markers or parameters was analyzed. Results. Total CTC counts were correlated with whether there was lymph node involvement but was not correlated with TNM staging. There was a difference in mesenchymal CTCs between patients with and without lymph node involvement (
). Also, more patients with metastasis tested positive for mesenchymal CTCs (
). Of the systemic inflammatory markers, platelet/lymphocyte ratio was positively correlated with CTC counts (
), and lymphocyte/monocyte ratio was negatively correlated with CTC counts (
). Conclusions. Colorectal cancer patients with the mesenchymal markers on their CTCs are more likely to have lymph node involvement or distant metastasis than those without these markers.
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23
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Yates AG, Pink RC, Erdbrügger U, Siljander PR, Dellar ER, Pantazi P, Akbar N, Cooke WR, Vatish M, Dias‐Neto E, Anthony DC, Couch Y. In sickness and in health: The functional role of extracellular vesicles in physiology and pathology in vivo: Part II: Pathology: Part II: Pathology. J Extracell Vesicles 2022; 11:e12190. [PMID: 35041301 PMCID: PMC8765328 DOI: 10.1002/jev2.12190] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/03/2021] [Accepted: 09/15/2021] [Indexed: 02/06/2023] Open
Abstract
It is clear from Part I of this series that extracellular vesicles (EVs) play a critical role in maintaining the homeostasis of most, if not all, normal physiological systems. However, the majority of our knowledge about EV signalling has come from studying them in disease. Indeed, EVs have consistently been associated with propagating disease pathophysiology. The analysis of EVs in biofluids, obtained in the clinic, has been an essential of the work to improve our understanding of their role in disease. However, to interfere with EV signalling for therapeutic gain, a more fundamental understanding of the mechanisms by which they contribute to pathogenic processes is required. Only by discovering how the EV populations in different biofluids change-size, number, and physicochemical composition-in clinical samples, may we then begin to unravel their functional roles in translational models in vitro and in vivo, which can then feedback to the clinic. In Part II of this review series, the functional role of EVs in pathology and disease will be discussed, with a focus on in vivo evidence and their potential to be used as both biomarkers and points of therapeutic intervention.
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Affiliation(s)
- Abi G. Yates
- Department of PharmacologyUniversity of OxfordOxfordUK
- School of Biomedical SciencesFaculty of MedicineUniversity of QueenslandSt LuciaAustralia
| | - Ryan C. Pink
- Department of Biological and Medical SciencesFaculty of Health and Life SciencesOxford Brookes UniversityOxfordUK
| | - Uta Erdbrügger
- Department of Medicine, Division of NephrologyUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Pia R‐M. Siljander
- Molecular and Integrative Biosciences Research ProgrammeFaculty of Biological and Environmental SciencesUniversity of HelsinkiHelsinkiFinland
| | - Elizabeth R. Dellar
- Department of Biological and Medical SciencesFaculty of Health and Life SciencesOxford Brookes UniversityOxfordUK
| | - Paschalia Pantazi
- Department of Biological and Medical SciencesFaculty of Health and Life SciencesOxford Brookes UniversityOxfordUK
| | - Naveed Akbar
- Division of Cardiovascular Medicine, Radcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - William R. Cooke
- Nuffield Department of Women's and Reproductive HealthJohn Radcliffe Hospital, HeadingtonOxfordUK
| | - Manu Vatish
- Nuffield Department of Women's and Reproductive HealthJohn Radcliffe Hospital, HeadingtonOxfordUK
| | - Emmanuel Dias‐Neto
- Laboratory of Medical Genomics. A.C. Camargo Cancer CentreSão PauloBrazil
- Laboratory of Neurosciences (LIM‐27) Institute of PsychiatrySão Paulo Medical SchoolSão PauloBrazil
| | | | - Yvonne Couch
- Acute Stroke Programme ‐ Radcliffe Department of MedicineUniversity of OxfordOxfordUK
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24
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Inhibition of transcription factor NFAT activity in activated platelets enhances their aggregation and exacerbates gram-negative bacterial septicemia. Immunity 2021; 55:224-236.e5. [PMID: 34995475 DOI: 10.1016/j.immuni.2021.12.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 09/09/2021] [Accepted: 12/03/2021] [Indexed: 12/25/2022]
Abstract
During gram-negative septicemia, interactions between platelets and neutrophils initiate a detrimental feedback loop that sustains neutrophil extracellular trap (NET) induction, disseminated intravascular coagulation, and inflammation. Understanding intracellular pathways that control platelet-neutrophil interactions is essential for identifying new therapeutic targets. Here, we found that thrombin signaling induced activation of the transcription factor NFAT in platelets. Using genetic and pharmacologic approaches, as well as iNFATuation, a newly developed mouse model in which NFAT activation can be abrogated in a cell-specific manner, we demonstrated that NFAT inhibition in activated murine and human platelets enhanced their activation and aggregation, as well as their interactions with neutrophils and NET induction. During gram-negative septicemia, NFAT inhibition in platelets promoted disease severity by increasing disseminated coagulation and NETosis. NFAT inhibition also partially restored coagulation ex vivo in patients with hypoactive platelets. Our results define non-transcriptional roles for NFAT that could be harnessed to address pressing clinical needs.
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25
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Platelets in ITP: Victims in Charge of Their Own Fate? Cells 2021; 10:cells10113235. [PMID: 34831457 PMCID: PMC8621961 DOI: 10.3390/cells10113235] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/14/2021] [Accepted: 11/16/2021] [Indexed: 01/19/2023] Open
Abstract
Immune thrombocytopenia (ITP) is an autoimmune bleeding disorder. The pathophysiological mechanisms leading to low platelet levels in ITP have not been resolved, but at least involve autoantibody-dependent and/or cytotoxic T cell mediated platelet clearance and impaired megakaryopoiesis. In addition, T cell imbalances involving T regulatory cells (Tregs) also appear to play an important role. Intriguingly, over the past years it has become evident that platelets not only mediate hemostasis, but are able to modulate inflammatory and immunological processes upon activation. Platelets, therefore, might play an immuno-modulatory role in the pathogenesis and pathophysiology of ITP. In this respect, we propose several possible pathways in which platelets themselves may participate in the immune response in ITP. First, we will elaborate on how platelets might directly promote inflammation or stimulate immune responses in ITP. Second, we will discuss two ways in which platelet microparticles (PMPs) might contribute to the disrupted immune balance and impaired thrombopoiesis by megakaryocytes in ITP. Importantly, from these insights, new starting points for further research and for the design of potential future therapies for ITP can be envisioned.
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26
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Wu Y, Zeng Z, Guo Y, Song L, Weatherhead JE, Huang X, Zeng Y, Bimler L, Chang CY, Knight JM, Valladolid C, Sun H, Cruz MA, Hube B, Naglik JR, Luong AU, Kheradmand F, Corry DB. Candida albicans elicits protective allergic responses via platelet mediated T helper 2 and T helper 17 cell polarization. Immunity 2021; 54:2595-2610.e7. [PMID: 34506733 DOI: 10.1016/j.immuni.2021.08.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/19/2021] [Accepted: 08/10/2021] [Indexed: 12/24/2022]
Abstract
Fungal airway infection (airway mycosis) is an important cause of allergic airway diseases such as asthma, but the mechanisms by which fungi trigger asthmatic reactions are poorly understood. Here, we leverage wild-type and mutant Candida albicans to determine how this common fungus elicits characteristic Th2 and Th17 cell-dependent allergic airway disease in mice. We demonstrate that rather than proteinases that are essential virulence factors for molds, C. albicans instead promoted allergic airway disease through the peptide toxin candidalysin. Candidalysin activated platelets through the Von Willebrand factor (VWF) receptor GP1bα to release the Wnt antagonist Dickkopf-1 (Dkk-1) to drive Th2 and Th17 cell responses that correlated with reduced lung fungal burdens. Platelets simultaneously precluded lethal pulmonary hemorrhage resulting from fungal lung invasion. Thus, in addition to hemostasis, platelets promoted protection against C. albicans airway mycosis through an antifungal pathway involving candidalysin, GP1bα, and Dkk-1 that promotes Th2 and Th17 responses.
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Affiliation(s)
- Yifan Wu
- Department of Pathology & Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Zhimin Zeng
- Division of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Yubiao Guo
- Division of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Lizhen Song
- Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Jill E Weatherhead
- Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Department of Pediatrics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The National School of Tropical Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Xinyan Huang
- Division of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Yuying Zeng
- Division of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Lynn Bimler
- Department of Pathology & Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The National School of Tropical Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Cheng-Yen Chang
- Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The Translational Biology and Molecular Medicine Program, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - John M Knight
- Department of Pathology & Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The Biology of Inflammation Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Christian Valladolid
- Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Department of Molecular Physiology & Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Michael E. DeBakey VA Center for Translational Research on Inflammatory Diseases, Houston Texas, 77030, USA
| | - Hua Sun
- Department of Otolaryngology, McGovern Medical School of the University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Miguel A Cruz
- Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Michael E. DeBakey VA Center for Translational Research on Inflammatory Diseases, Houston Texas, 77030, USA
| | - Bernhard Hube
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knoell Institute Jena (HKI), Jena 07745, Germany; Institute of Microbiology, Friedrich Schiller University, Jena 07737, Germany
| | - Julian R Naglik
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London SE1 1UL, UK
| | - Amber U Luong
- Department of Otolaryngology, McGovern Medical School of the University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Farrah Kheradmand
- Department of Pathology & Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The Biology of Inflammation Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Michael E. DeBakey VA Center for Translational Research on Inflammatory Diseases, Houston Texas, 77030, USA
| | - David B Corry
- Department of Pathology & Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; The Biology of Inflammation Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Michael E. DeBakey VA Center for Translational Research on Inflammatory Diseases, Houston Texas, 77030, USA.
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27
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Padilla S, Nurden AT, Prado R, Nurden P, Anitua E. Healing through the lens of immunothrombosis: Biology-inspired, evolution-tailored, and human-engineered biomimetic therapies. Biomaterials 2021; 279:121205. [PMID: 34710794 DOI: 10.1016/j.biomaterials.2021.121205] [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: 06/17/2021] [Revised: 09/30/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022]
Abstract
Evolution, from invertebrates to mammals, has yielded and shaped immunoclotting as a defense and repair response against trauma and infection. This mosaic of immediate and local wound-sealing and pathogen-killing mechanisms results in survival, restoration of homeostasis, and tissue repair. In mammals, immunoclotting has been complemented with the neuroendocrine system, platelets, and contact system among other embellishments, adding layers of complexity through interconnecting blood-born proteolytic cascades, blood cells, and the neuroendocrine system. In doing so, immunothrombosis endows humans with survival advantages, but entails vulnerabilities in the current unprecedented and increasingly challenging environment. Immunothrombosis and tissue repair appear to go hand in hand with common mechanisms mediating both processes, a fact that is underlined by recent advances that are deciphering the mechanisms of the repair process and of the biochemical pathways that underpins coagulation, hemostasis and thrombosis. This review is intended to frame both the universal aspects of tissue repair and the therapeutic use of autologous fibrin matrix as a biology-as-a-drug approach in the context of the evolutionary changes in coagulation and hemostasis. In addition, we will try to shed some light on the molecular mechanisms underlying the use of the autologous fibrin matrix as a biology-inspired, evolution-tailored, and human-engineered biomimetic therapy.
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Affiliation(s)
- Sabino Padilla
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
| | - Alan T Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Roberto Prado
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Paquita Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Eduardo Anitua
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
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28
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Liu Y, Zhang Y, Ding Y, Zhuang R. Platelet-mediated tumor metastasis mechanism and the role of cell adhesion molecules. Crit Rev Oncol Hematol 2021; 167:103502. [PMID: 34662726 DOI: 10.1016/j.critrevonc.2021.103502] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 09/17/2021] [Accepted: 10/10/2021] [Indexed: 12/12/2022] Open
Abstract
Mounting evidence suggests that platelets play an essential role in cancer metastasis. The interactions between platelets and circulating tumor cells (CTCs) promote cancer metastasis. CTCs induce platelet activation and aggregation, and activated platelets gather and protect CTCs from shear stress and natural killer cells. Finally, platelets stimulate CTC anoikis resistance, epithelial-to-mesenchymal transition, angiogenesis, extravasation, and eventually, metastasis. Cell adhesion molecules (CAMs) have been identified as active players during the interaction of CTCs with platelets, but the specific mechanism underlying the contribution of platelet-associated CAMs to CTC metastasis remains unclear. In this review, we introduce the mechanism of platelet-related tumor metastasis and particularly focus on the role of CAMs in it.
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Affiliation(s)
- Yitian Liu
- Department of Immunology, the Fourth Military Medical University, #169 Changlexilu Road, Xi'an, Shaanxi, 710032, China; Orthopedic Department of Tangdu Hospital, the Fourth Military Medical University, #1 Xinsi Road, Xi'an, Shaanxi, 710032, China
| | - Yuan Zhang
- Institute of Medical Research, Northwestern Polytechnical University, #127 Youyixilu Road, Xi'an, Shaanxi, 710072, China
| | - Yong Ding
- Orthopedic Department of Tangdu Hospital, the Fourth Military Medical University, #1 Xinsi Road, Xi'an, Shaanxi, 710032, China
| | - Ran Zhuang
- Department of Immunology, the Fourth Military Medical University, #169 Changlexilu Road, Xi'an, Shaanxi, 710032, China; Institute of Medical Research, Northwestern Polytechnical University, #127 Youyixilu Road, Xi'an, Shaanxi, 710072, China.
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29
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Xu L, Liang Y, Xu X, Xia J, Wen C, Zhang P, Duan L. Blood cell-derived extracellular vesicles: diagnostic biomarkers and smart delivery systems. Bioengineered 2021; 12:7929-7940. [PMID: 34622717 PMCID: PMC8806567 DOI: 10.1080/21655979.2021.1982320] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Extracellular vesicles (EVs) are released by most of the cells or tissues and act as nanocarriers to transfer nucleic acids, proteins, and lipids. The blood system is the most abundant source of extracellular vesicles for purification, and it has attracted considerable attention as a source of diagnostic biomarkers. Blood-derived extracellular vesicles, especially vesicles released from erythrocytes and platelets, are highly important in nanoplatform-based therapeutic interventions as potentially ideal drug delivery vehicles. We reviewed the latest research progress on the paracrine effects and biological functions of extracellular vesicles derived from erythrocytes, leukocytes, platelets, and plasma. From a clinical perspective, we summarize selected useful diagnostic biomarkers for therapeutic intervention and diagnosis. Especially, we describe and discuss the potential application of erythrocyte-derived extracellular vesicles as a new nano-delivery platform for the desired therapeutics. We suggest that blood-derived extracellular vesicles are an ideal nanoplatform for disease diagnosis and therapy.
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Affiliation(s)
- Limei Xu
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic Technology, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Yujie Liang
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Shenzhen Kangning Hospital, Shenzhen Mental Health Center, Shenzhen, Guangdong, China
| | - Xiao Xu
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic Technology, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Jiang Xia
- Department of Chemistry, and Center for Cell & Developmental Biology, School of Life Sciences, the Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Caining Wen
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic Technology, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Peng Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Li Duan
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic Technology, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China.,Shenzhen Institute of Geriatrics, Shenzhen, Guangdong Province, China
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30
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Page MJ, Pretorius E. Platelet Behavior Contributes to Neuropathologies: A Focus on Alzheimer's and Parkinson's Disease. Semin Thromb Hemost 2021; 48:382-404. [PMID: 34624913 DOI: 10.1055/s-0041-1733960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The functions of platelets are broad. Platelets function in hemostasis and thrombosis, inflammation and immune responses, vascular regulation, and host defense against invading pathogens, among others. These actions are achieved through the release of a wide set of coagulative, vascular, inflammatory, and other factors as well as diverse cell surface receptors involved in the same activities. As active participants in these physiological processes, platelets become involved in signaling pathways and pathological reactions that contribute to diseases that are defined by inflammation (including by pathogen-derived stimuli), vascular dysfunction, and coagulation. These diseases include Alzheimer's and Parkinson's disease, the two most common neurodegenerative diseases. Despite their unique pathological and clinical features, significant shared pathological processes exist between these two conditions, particularly relating to a central inflammatory mechanism involving both neuroinflammation and inflammation in the systemic environment, but also neurovascular dysfunction and coagulopathy, processes which also share initiation factors and receptors. This triad of dysfunction-(neuro)inflammation, neurovascular dysfunction, and hypercoagulation-illustrates the important roles platelets play in neuropathology. Although some mechanisms are understudied in Alzheimer's and Parkinson's disease, a strong case can be made for the relevance of platelets in neurodegeneration-related processes.
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Affiliation(s)
- Martin J Page
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1 Matieland, South Africa
| | - Etheresia Pretorius
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1 Matieland, South Africa
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31
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Claridge B, Lozano J, Poh QH, Greening DW. Development of Extracellular Vesicle Therapeutics: Challenges, Considerations, and Opportunities. Front Cell Dev Biol 2021; 9:734720. [PMID: 34616741 PMCID: PMC8488228 DOI: 10.3389/fcell.2021.734720] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 07/30/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) hold great promise as therapeutic modalities due to their endogenous characteristics, however, further bioengineering refinement is required to address clinical and commercial limitations. Clinical applications of EV-based therapeutics are being trialed in immunomodulation, tissue regeneration and recovery, and as delivery vectors for combination therapies. Native/biological EVs possess diverse endogenous properties that offer stability and facilitate crossing of biological barriers for delivery of molecular cargo to cells, acting as a form of intercellular communication to regulate function and phenotype. Moreover, EVs are important components of paracrine signaling in stem/progenitor cell-based therapies, are employed as standalone therapies, and can be used as a drug delivery system. Despite remarkable utility of native/biological EVs, they can be improved using bio/engineering approaches to further therapeutic potential. EVs can be engineered to harbor specific pharmaceutical content, enhance their stability, and modify surface epitopes for improved tropism and targeting to cells and tissues in vivo. Limitations currently challenging the full realization of their therapeutic utility include scalability and standardization of generation, molecular characterization for design and regulation, therapeutic potency assessment, and targeted delivery. The fields' utilization of advanced technologies (imaging, quantitative analyses, multi-omics, labeling/live-cell reporters), and utility of biocompatible natural sources for producing EVs (plants, bacteria, milk) will play an important role in overcoming these limitations. Advancements in EV engineering methodologies and design will facilitate the development of EV-based therapeutics, revolutionizing the current pharmaceutical landscape.
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Affiliation(s)
- Bethany Claridge
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Jonathan Lozano
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia
| | - Qi Hui Poh
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - David W. Greening
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Central Clinical School, Monash University, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia
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32
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Characterization and Therapeutic Use of Extracellular Vesicles Derived from Platelets. Int J Mol Sci 2021; 22:ijms22189701. [PMID: 34575865 PMCID: PMC8468534 DOI: 10.3390/ijms22189701] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 12/11/2022] Open
Abstract
Autologous blood products, such as platelet-rich plasma (PRP), are gaining increasing interest in different fields of regenerative medicine. Although growth factors, the main components of PRP, are thought to stimulate reparation processes, the exact mechanism of action and main effectors of PRP are not fully understood. Plasma contains a high amount of extracellular vesicles (EVs) produced by different cells, including anucleated platelets. Platelet-derived EVs (PL-EVs) are the most abundant type of EVs in circulation. Numerous advantages of PL-EVs, including their ability to be released locally, their ease of travel through the body, their low immunogenicity and tumourigenicity, the modulation of signal transduction as well as the ease with which they can be obtained, has attracted increased attention n. This review focuses briefly on the biological characteristics and isolation methods of PL-EVs, including exosomes derived from platelets (PL-EXOs), and their involvement in the pathology of diseases. Evidence that shows how PL-EVs can be used as a novel tool in medicine, particularly in therapeutic and regenerative medicine, is also discussed in this review.
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33
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Potential Diagnostic Approaches for Prediction of Therapeutic Responses in Immune Thrombocytopenia. J Clin Med 2021; 10:jcm10153403. [PMID: 34362187 PMCID: PMC8347743 DOI: 10.3390/jcm10153403] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 12/13/2022] Open
Abstract
Immune thrombocytopenia (ITP) is an autoimmune bleeding disorder in which, via unresolved mechanisms, platelets and megakaryocytes (MKs) are targeted by autoantibodies and/or T cells resulting in increased platelet destruction and impairment of MK function. Over the years, several therapeutic modalities have become available for ITP, however, therapeutic management has proven to be very challenging in several cases. Patients refractory to treatment can develop a clinically worsening disease course, treatment-induced toxicities and are predisposed to development of potentially life-endangering bleedings. It is therefore of critical importance to timely identify potential refractory patients, for which novel diagnostic approaches are urgently needed in order to monitor and predict specific therapeutic responses. In this paper, we propose promising diagnostic investigations into immune functions and characteristics in ITP, which may potentially be exploited to help predict platelet count responses and thereby distinguish therapeutic responders from non-responders. This importantly includes analysis of T cell homeostasis, which generally appears to be disturbed in ITP due to decreased and/or dysfunctional T regulatory cells (Tregs) leading to loss of immune tolerance and initiation/perpetuation of ITP, and this may be normalized by several therapeutic modalities. Additional avenues to explore in possible prediction of therapeutic responses include examination of platelet surface sialic acids, platelet apoptosis, monocyte surface markers, B regulatory cells and platelet microparticles. Initial studies have started evaluating these markers in relation to response to various treatments including glucocorticosteroids (GCs), intravenous immunoglobulins (IVIg) and/or thrombopoietin receptor agonists (TPO-RA), however, further studies are highly warranted. The systematic molecular analysis of a broad panel of immune functions may ultimately help guide and improve personalized therapeutic management in ITP.
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34
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Koupenova M, Corkrey HA, Vitseva O, Tanriverdi K, Somasundaran M, Liu P, Soofi S, Bhandari R, Godwin M, Parsi KM, Cousineau A, Maehr R, Wang JP, Cameron SJ, Rade J, Finberg RW, Freedman JE. SARS-CoV-2 Initiates Programmed Cell Death in Platelets. Circ Res 2021; 129:631-646. [PMID: 34293929 PMCID: PMC8409903 DOI: 10.1161/circresaha.121.319117] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Supplemental Digital Content is available in the text. Coronavirus disease 2019 (COVID-19) is characterized by increased incidence of microthrombosis with hyperactive platelets sporadically containing viral RNA. It is unclear if SARS-CoV-2 (severe acute respiratory syndrome, corona virus-2) directly alters platelet activation or if these changes are a reaction to infection-mediated global inflammatory alterations. Importantly, the direct effect of SARS-CoV-2 on platelets has yet to be studied.
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Affiliation(s)
- Milka Koupenova
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
| | - Heather A Corkrey
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
| | - Olga Vitseva
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
| | - Kahraman Tanriverdi
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
| | - Mohan Somasundaran
- Department of Biochemistry and Molecular Pharmacology (M.S.), University of Massachusetts Medical School, Worcester, MA
| | - Ping Liu
- Department of Medicine, Division of Infectious Disease and Immunology Department of Medicine (P.L., S.S., J.P.W., R.W.F.), University of Massachusetts Medical School, Worcester, MA
| | - Shaukat Soofi
- Department of Medicine, Division of Infectious Disease and Immunology Department of Medicine (P.L., S.S., J.P.W., R.W.F.), University of Massachusetts Medical School, Worcester, MA
| | - Rohan Bhandari
- Heart, Vascular and Thoracic Institute (R.B., S.J.C.).,Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic, OH (R.B., M.G., S.J.C.)
| | - Matthew Godwin
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic, OH (R.B., M.G., S.J.C.)
| | - Krishna Mohan Parsi
- Diabetes Center of Excellence (K.M.P., A.C., R.M.), University of Massachusetts Medical School, Worcester, MA.,Program in Molecular Medicine (K.M.P., R.M.), University of Massachusetts Medical School, Worcester, MA
| | - Alyssa Cousineau
- Diabetes Center of Excellence (K.M.P., A.C., R.M.), University of Massachusetts Medical School, Worcester, MA
| | - René Maehr
- Diabetes Center of Excellence (K.M.P., A.C., R.M.), University of Massachusetts Medical School, Worcester, MA.,Program in Molecular Medicine (K.M.P., R.M.), University of Massachusetts Medical School, Worcester, MA
| | - Jennifer P Wang
- Department of Medicine, Division of Infectious Disease and Immunology Department of Medicine (P.L., S.S., J.P.W., R.W.F.), University of Massachusetts Medical School, Worcester, MA
| | - Scott J Cameron
- Heart, Vascular and Thoracic Institute (R.B., S.J.C.).,Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic, OH (R.B., M.G., S.J.C.).,Case Western Reserve University Lerner College of Medicine, Cleveland, OH (S.J.C.)
| | - Jeffrey Rade
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
| | - Robert W Finberg
- Department of Medicine, Division of Infectious Disease and Immunology Department of Medicine (P.L., S.S., J.P.W., R.W.F.), University of Massachusetts Medical School, Worcester, MA
| | - Jane E Freedman
- Department of Medicine, Division of Cardiovascular Medicine (M.K., H.A.C., O.V., K.T., J.R., J.E.F.), University of Massachusetts Medical School, Worcester, MA
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35
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Platelet EVs contain an active proteasome involved in protein processing for antigen presentation via MHC-I molecules. Blood 2021; 138:2607-2620. [PMID: 34293122 DOI: 10.1182/blood.2020009957] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 07/12/2021] [Indexed: 11/20/2022] Open
Abstract
In addition to their hemostatic role, platelets play a significant role in immunity. Once activated, platelets release extracellular vesicles (EVs) formed by budding of their cytoplasmic membranes. Because of their heterogeneity, platelet EVs (PEVs) are thought to perform diverse functions. It is unknown, however, whether the proteasome is transferred from platelets to PEVs or whether its function is retained. We hypothesized that functional protein processing and antigen presentation machinery is transferred to PEVs by activated platelets. Using molecular and functional assays, we show that the active 20S proteasome is enriched in PEVs along with MHC-I and lymphocyte costimulatory molecules (CD40L and OX40L). Proteasome-containing PEVs were identified in healthy donor blood, but did not increase in platelet concentrates that caused adverse transfusion reactions. They were, however, augmented after immune complex injections in mice. The complete biodistribution of murine PEVs following injection into mice revealed that they could principally reach lymphoid organs such as spleen and lymph nodes, in addition to the bone marrow, and to a lesser extent liver and lungs. The PEV proteasome processed exogenous ovalbumin (OVA) and loaded its antigenic peptide onto MHC-I molecules which promoted OVA-specific CD8+ T lymphocyte proliferation. These results suggest that PEVs contribute to adaptive immunity through cross-presentation of antigens and have privileged access to immune cells through the lymphatic system, a tissue location that is inaccessible to platelets.
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36
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Liu T, Wang J, Yuan Y, Wu J, Wang C, Gu Y, Li H. Early warning of bloodstream infection in elderly patients with circulating microparticles. Ann Intensive Care 2021; 11:110. [PMID: 34255213 PMCID: PMC8276897 DOI: 10.1186/s13613-021-00901-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/04/2021] [Indexed: 11/16/2022] Open
Abstract
Background The difficulty of early diagnosis of bloodstream infection in the elderly patients leads to high mortality. Therefore, it is essential to determine some new methods of early warning of bloodstream infection in the elderly patients for timely adjustment of treatment and improvement of prognosis. Methods Patients aged over 65 years with suspected bloodstream infections were included and divided into bloodstream infection (BSI) and non-bloodstream infection (non-BSI) groups based on blood culture results. The morphology of microparticles (MPs) was observed by using transmission electron microscopy, and the number of MPs was dynamically monitored by flow cytometry. Results A total of 140 patients were included in the study: 54 in the BSI group and 86 in the non-BSI group. Total MPs (T-MPs) ≥ 6000 events/µL (OR, 7.693; 95% CI 2.944–20.103, P < 0.0001), neutrophil-derived MPs (NMPs) ≥ 500 events/µL (OR, 12.049; 95% CI 3.574–40.623, P < 0.0001), and monocyte counts ≤ 0.4 × 109/L (OR, 3.637; 95% CI 1.415–9.348, P = 0.007) within 6 h of fever were independently associated with bloodstream infection in the elderly patients. We also developed an early warning model for bloodstream infection in the elderly patients with an area under the curve of 0.884 (95% CI 0.826–0.942, P < 0.0001), sensitivity of 86.8%, specificity of 76.5%, positive predictive value of 70.8%, and negative predictive value of 89.8%. Conclusion The early warning model of bloodstream infection based on circulating T-MPs, NMPs, and monocyte counts within 6 h of fever in the elderly patients was helpful in early detection of bloodstream infection and therefore promptly adjustment of treatment plan. Supplementary Information The online version contains supplementary material available at 10.1186/s13613-021-00901-w.
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Affiliation(s)
- Tingting Liu
- Department of Pulmonary and Critical Care Medicine, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jiang Wang
- Centre of Pulmonary and Critical Care Medicine, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yaping Yuan
- Department of Pulmonary and Critical Care Medicine, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jionghe Wu
- Department of Pulmonary and Critical Care Medicine, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China
| | - Chao Wang
- Department of Pulmonary and Critical Care Medicine, The Fourth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yueqin Gu
- Department of Pulmonary and Critical Care Medicine, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hongxia Li
- Department of Pulmonary and Critical Care Medicine, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China.
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37
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Zamora C, Riudavets M, Anguera G, Alserawan L, Sullivan I, Barba A, Serra J, Ortiz MA, Gallardo P, Perea L, Gavira J, Barnadas A, Majem M, Vidal S. Circulating leukocyte-platelet complexes as a predictive biomarker for the development of immune-related adverse events in advanced non-small cell lung cancer patients receiving anti-PD-(L)1 blocking agents. Cancer Immunol Immunother 2021; 70:1691-1704. [PMID: 33388994 DOI: 10.1007/s00262-020-02793-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/07/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Anti-PD-(L)1 blocking agents can induce immune-related adverse events (irAEs), which can compromise treatment continuation. Since circulating leukocyte-platelet (PLT) complexes contribute to inflammatory and autoimmune diseases, we aimed to analyze the role of these complexes as predictors of irAEs in non-small cell lung cancer (NSCLC) patients receiving anti-PD-(L)1. MATERIALS AND METHODS Twenty-six healthy donors (HD) and 87 consecutive advanced NSCLC patients treated with anti-PD-(L)1 were prospectively included. Percentages of circulating leukocyte-PLT complexes were analyzed by flow cytometry and compared between HD and NSCLC patients. The association of leukocyte-PLT complexes with the presence and severity of irAEs was analyzed. RESULTS NSCLC patients had higher percentages of circulating leukocyte-PLT complexes. Higher percentages of monocytes with bound PLT (CD14 + PLT +) were observed in patients who received prior therapies while CD4 + T lymphocytes with bound PLT (CD4 + PLT +) correlated with platelets counts. The CD4 + PLT + high percentage group presented a higher rate of dermatological irAEs while the CD4 + PLT + low percentage group showed a higher rate of non-dermatological irAEs (p < 0.001). A lower frequency of grade ≥ 2 irAEs was observed in the CD4 + PLT + high percentage group (p < 0.05). Patients with CD4 + PLT + low and CD14 + PLT + high percentages presented a higher rate of grade ≥ 3 irAEs and predominantly developed non-dermatological irAEs (p < 0.01). CONCLUSIONS Our results suggest that circulating leukocyte-PLT complexes and the combination of CD4 + PLT + and CD14 + PLT + percentages can be used as a predictive biomarker of the development and severity of irAEs in advanced NSCLC patients receiving anti-PD-(L)1 agents.
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Affiliation(s)
- Carlos Zamora
- Group of Immunology-Inflammatory Diseases, Biomedical Research Institut Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Mariona Riudavets
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
- Department of Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Georgia Anguera
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Letícia Alserawan
- Department of Immunology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Ivana Sullivan
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Andrés Barba
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Jorgina Serra
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - M Angels Ortiz
- Group of Immunology-Inflammatory Diseases, Biomedical Research Institut Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Pablo Gallardo
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Lidia Perea
- Group of Immunology-Inflammatory Diseases, Biomedical Research Institut Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Javier Gavira
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Agustí Barnadas
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain
| | - Margarita Majem
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, Sant Quintí, 89, 08041, Barcelona, Spain.
| | - Silvia Vidal
- Group of Immunology-Inflammatory Diseases, Biomedical Research Institut Sant Pau (IIB Sant Pau), Barcelona, Spain
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38
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Gurunathan S, Kang MH, Qasim M, Khan K, Kim JH. Biogenesis, Membrane Trafficking, Functions, and Next Generation Nanotherapeutics Medicine of Extracellular Vesicles. Int J Nanomedicine 2021; 16:3357-3383. [PMID: 34040369 PMCID: PMC8140893 DOI: 10.2147/ijn.s310357] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 04/25/2021] [Indexed: 12/15/2022] Open
Abstract
Extracellular vesicles (EVs) are a heterogeneous group of membrane-limited vesicles and multi-signal messengers loaded with biomolecules. Exosomes and ectosomes are two different types of EVs generated by all cell types. Their formation depends on local microdomains assembled in endocytic membranes for exosomes and in the plasma membrane for ectosomes. Further, EV release is a fundamental process required for intercellular communication in both normal physiology and pathological conditions to transmit/exchange bioactive molecules to recipient cells and the extracellular environment. The unique structure and composition of EVs enable them to serve as natural nanocarriers, and their physicochemical properties and biological functions can be used to develop next-generation nano and precision medicine. Knowledge of the cellular processes that govern EVs biology and membrane trafficking is essential for their clinical applications. However, in this rapidly expanding field, much remains unknown regarding EV origin, biogenesis, cargo sorting, and secretion, as well as EV-based theranostic platform generation. Hence, we present a comprehensive overview of the recent advances in biogenesis, membrane trafficking, and functions of EVs, highlighting the impact of nanoparticles and oxidative stress on EVs biogenesis and release and finally emphasizing the role of EVs as nanotherapeutic agents.
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Affiliation(s)
- Sangiliyandi Gurunathan
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul, 05029, Korea
| | - Min-Hee Kang
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul, 05029, Korea
| | - Muhammad Qasim
- Center of Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin, 9054, New Zealand
| | - Khalid Khan
- Science and Technology KPK, Peshawar, Pakistan
| | - Jin-Hoi Kim
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul, 05029, Korea
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39
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Zamora C, Cantó E, Vidal S. The Dual Role of Platelets in the Cardiovascular Risk of Chronic Inflammation. Front Immunol 2021; 12:625181. [PMID: 33868242 PMCID: PMC8046936 DOI: 10.3389/fimmu.2021.625181] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 02/15/2021] [Indexed: 11/25/2022] Open
Abstract
Patients with chronic inflammatory diseases often exhibit cardiovascular risk. This risk is associated with the systemic inflammation that persists in these patients, causing a sustained endothelial activation. Different mechanisms have been considered responsible for this systemic inflammation, among which activated platelets have been regarded as a major player. However, in recent years, the role of platelets has become controversial. Not only can this subcellular component release pro- and anti-inflammatory mediators, but it can also bind to different subsets of circulating lymphocytes, monocytes and neutrophils modulating their function in either direction. How platelets exert this dual role is not yet fully understood.
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Affiliation(s)
- Carlos Zamora
- Inflammatory Diseases, Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Elisabet Cantó
- Inflammatory Diseases, Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Sílvia Vidal
- Inflammatory Diseases, Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
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40
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Li X, Zhang Y, Cheng F, Yu Y, Wang D. Metabolomics and Proteomics Reveal the Variation of Substances in Apheresis Platelets during Storage and Their Effects on Cancer Cell Proliferation. Transfus Med Hemother 2021; 48:79-90. [PMID: 33976608 PMCID: PMC8077496 DOI: 10.1159/000509944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 07/05/2020] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Apheresis platelets (APs) are clinically and crucially important in the prevention and treatment of bleeding in patients with thrombocytopenia or cancer. However, few researchers have addressed the variation of supernatant metabolites and exosome proteins in APs during storage and their effects on cancer cell proliferation. OBJECTIVE This study was designed to explore the change rules of the metabolites and exosomal proteins of APs during storage and their effects on cancer cell proliferation. METHODS Metabolomics and proteomics were separately applied to analyze the variation of AP supernatant metabolites and exosomal proteins between freshly prepared day-0 and day-5 terminal-stored APs. Cell counting kit (CCK)-8 assay was performed to detect the effects of AP supernatants and exosomes on the proliferation of cancer cells. RESULTS We found that the supernatant metabolites and exosomal proteins in APs were significantly different on day 0 and day 5, and that many differential metabolites and exosomal proteins were associated with cancer characteristics. Furthermore, the day-5 AP supernatants had a greater inhibition of the proliferation of K562, HepG2, and HCT116 cancer cells, but the day-5 AP exosomes had no significant effect on the proliferation of these cancer cells. CONCLUSION The variant terminal-stored AP supernatants may inhibit the proliferation of cancer cells but the variant terminal AP exosomes have no effect on cancer cell proliferation.
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Affiliation(s)
- Xiaofei Li
- Department of Blood Transfusion, Chinese PLA General Hospital, Beijing, China
- Department of Blood Transfusion, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yuan Zhang
- Department of Blood Transfusion, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Fu Cheng
- Department of Blood Transfusion, West China Hospital of Sichuan University, Chengdu, China
| | - Yang Yu
- Department of Blood Transfusion, Chinese PLA General Hospital, Beijing, China
| | - Deqing Wang
- Department of Blood Transfusion, Chinese PLA General Hospital, Beijing, China
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41
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Aspirin exacerbated respiratory disease (AERD): molecular and cellular diagnostic & prognostic approaches. Mol Biol Rep 2021; 48:2703-2711. [PMID: 33625688 DOI: 10.1007/s11033-021-06240-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/16/2021] [Indexed: 10/22/2022]
Abstract
Aspirin-exacerbated respiratory disease (AERD) is characterized by immune cells dysfunction. This study aimed to investigate the molecular mechanisms involved in AERD pathogenesis. Relevant literatures were identified by a PubMed search (2005-2019) of english language papers using the terms "Aspirin-exacerbated respiratory disease", "Allergic inflammation", "molecular mechanism" and "mutation". According to the significant role of inflammation in AERD development, ILC-2 is known as the most important cell in disease progression. ILC-2 produces cytokines that induce allergic reactions and also cause lipid mediators production, which activates mast cells and basophils, ultimately. Finally, Monoclonal antibody and Aspirin desensitization in patients can be a useful treatment strategy for prevention and treatment.
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42
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Liu T, Wang J, Liu Y, Wu J, Yuan Y, Wang C, Fang X, Li H. Prediction of the Therapeutic Effects of Pembrolizumab and Nivolumab in Advanced Non-Small Cell Lung Cancer by Platelet-Derived Microparticles in Circulating Blood. Technol Cancer Res Treat 2021; 20:1533033821997817. [PMID: 33612078 PMCID: PMC7903816 DOI: 10.1177/1533033821997817] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND There are limited methods to predict the therapeutic effect of immune checkpoint inhibitors (ICIs). The purpose of this study was to explore the value of circulating microparticles (MPs) in predicting thetherapeutic effects of immunotherapy. METHODS A prospective study was conducted at the cancer center of PLA general hospital, including all patients with advanced non-small cell lung cancer (NSCLC) who were treated with pembrolizumab or nivolumab from December 2018 to December 2019. The patients were divided into an immune-related objective response (iOR) group and an immune-related disease progression (iPD) group.The numbers of total MPs, platelet-derived microparticles (PMPs) and T-lymphocyte-derived microparticles (T-LyMPs) at baseline and after immunotherapy were detected using a flow cytometer. Univariate analysis and multivariate logistic regression analysis were used to determine the independent influencing factors. RESULTS We identified 32 patients in the iOR group and 18 patients in the iPD group. No significant difference were found intotal MPs, PMPs and T-LyMPs at the baseline between the 2 groups. While total MPs, PMPs and T-LyMPs in the iPD group were significantly higher than those in the iOR group after immunotherapy(P < 0.05). In the multivariate logistic regression analysis, PMPs ≥80 events/µL after immunotherapy(OR, 7.270; 95% CI, 1.092-48.404, P = 0.04) were associated with disease progression in advanced NSCLC and could independently predict the therapeutic effect of immunotherapy. CONCLUSIONS PMPs after immunotherapy independently predicted the therapeutic effects of ICIs, making it possible to monitor the therapeutic effect in real time and rapidly adjust treatment regimens. In addition, this study found for the first time that elevated circulating T-LyMPs were associated with disease progression in advanced NSCLC.
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Affiliation(s)
- Tingting Liu
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Jiang Wang
- Center of Pulmonary and Critical Care Medicine, 104607Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Yanxin Liu
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Jionghe Wu
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Yaping Yuan
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Chao Wang
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Xiangqun Fang
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Hongxia Li
- Department of Respiratory and Critical Care Medicine, Second Medical Center of Chinese PLA General Hospital, Beijing, People's Republic of China
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Abstract
Extracellular vesicles (EVs) are a means of cell-to-cell communication and can facilitate the exchange of a broad array of molecules between adjacent or distant cells. Platelets are anucleate cells derived from megakaryocytes and are primarily known for their role in maintaining hemostasis and vascular integrity. Upon activation by a variety of agonists, platelets readily generate EVs, which were initially identified as procoagulant particles. However, as both platelets and their EVs are abundant in blood, the role of platelet EVs in hemostasis may be redundant. Moreover, findings have challenged the significance of platelet-derived EVs in coagulation. Looking beyond hemostasis, platelet EV cargo is incredibly diverse and can include lipids, proteins, nucleic acids, and organelles involved in numerous other biological processes. Furthermore, while platelets cannot cross tissue barriers, their EVs can enter lymph, bone marrow, and synovial fluid. This allows for the transfer of platelet-derived content to cellular recipients and organs inaccessible to platelets. This review highlights the importance of platelet-derived EVs in physiological and pathological conditions beyond hemostasis.
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Affiliation(s)
- Florian Puhm
- Centre de recherche du CHU de Québec, Department of infectious diseases and immunity, Québec, QC, Canada
- Université Laval and Centre de recherche ARThrite, Québec, QC, Canada
| | - Eric Boilard
- Centre de recherche du CHU de Québec, Department of infectious diseases and immunity, Québec, QC, Canada
- Université Laval and Centre de recherche ARThrite, Québec, QC, Canada
| | - Kellie R Machlus
- Division of Hematology, Brigham and Women’s Hospital, Department of Medicine, Harvard Medical School, Boston, MA, USA
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44
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Nazari M, Javandoost E, Talebi M, Movassaghpour A, Soleimani M. Platelet Microparticle Controversial Role in Cancer. Adv Pharm Bull 2020; 11:39-55. [PMID: 33747851 PMCID: PMC7961228 DOI: 10.34172/apb.2021.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/11/2022] Open
Abstract
Platelet-derived microparticles (PMPs) are a group of micrometer-scale extracellular vesicles released by platelets upon activation that are responsible for the majority of microvesicles found in plasma. PMPs’ physiological properties and functions have long been investigated by researchers. In this regard, a noticeable area of studies has been devoted to evaluating the potential roles and effects of PMPs on cancer progression. Clinical and experimental evidence conflictingly implicates supportive and suppressive functions for PMPs regarding cancer. Many of these functions could be deemed as a cornerstone for future considerations of PMPs usage in cancer targeted therapy. This review discusses what is currently known about PMPs and provides insights for new and possible research directions for further grasping the intricate interplay between PMPs and cancer.
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Affiliation(s)
- Mahnaz Nazari
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ehsan Javandoost
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mehdi Talebi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Applied Cell Sciences, School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran. Introduction
| | - Aliakbar Movassaghpour
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Masoud Soleimani
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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45
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Exploiting the Natural Properties of Extracellular Vesicles in Targeted Delivery towards Specific Cells and Tissues. Pharmaceutics 2020; 12:pharmaceutics12111022. [PMID: 33114492 PMCID: PMC7692617 DOI: 10.3390/pharmaceutics12111022] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 02/07/2023] Open
Abstract
Extracellular vesicles (EVs) are important mediators of intercellular communication that participate in many physiological/pathological processes. As such, EVs have unique properties related to their origin, which can be exploited for drug delivery applications in cell regeneration, immunosuppression, inflammation, cancer treatment or cardioprotection. Moreover, their cell-like membrane organization facilitates uptake and accumulation in specific tissues and organs, which can be exploited to improve selectivity of cargo delivery. The combination of these properties with the inclusion of drugs or imaging agents can significantly improve therapeutic efficacy and selectivity, reduce the undesirable side effects of drugs or permit earlier diagnosis of diseases. In this review, we will describe the natural properties of EVs isolated from different cell sources and discuss strategies that can be applied to increase the efficacy of targeting drugs or other contents to specific locations. The potential risks associated with the use of EVs will also be addressed.
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46
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Polasky C, Wendt F, Pries R, Wollenberg B. Platelet Induced Functional Alteration of CD4 + and CD8 + T Cells in HNSCC. Int J Mol Sci 2020; 21:ijms21207507. [PMID: 33053760 PMCID: PMC7588893 DOI: 10.3390/ijms21207507] [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: 08/26/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 12/16/2022] Open
Abstract
Platelets (PLT) are the second most abundant cell type in human blood and exert various immune-regulatory functions under both physiological and pathological conditions. In fact, immune cell regulation via platelets has been demonstrated in several studies within the past decade. However, the exact mechanisms behind T cell regulation remain poorly understood. We questioned whether the formation of aggregates of platelets and T cells has an impact on T-cell functions. In the present study, we stimulated PBMC cultures with anti-CD3 and anti-CD28 mABs and cultured them at a PLT: PBMC ratio of 1:1 or 100:1. After 24, 48, and 72 h, PD-1, PD-L1 expression, and proliferation were analyzed on T cells using flow cytometry. Cytokine production was measured in PHA stimulated CD4 cells after 6 h. We found a significant platelet-mediated decrease in PD-1 and PD-L1 expression, proliferation, as well as IFN-γ and TNF-α production. Perturbations also at least partially remained after spatial separation of PLTs from PBMCs in Transwell-assays. T cell-platelet aggregates showed similar levels of activation markers, proliferation, and secreted cytokines as their non-complexed counterparts. Results indicate a platelet mediated regulation of T cells via direct and indirect contact, but only mediocre effects of the complex formation itself.
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Affiliation(s)
- Christina Polasky
- Department of Otorhinolaryngology, University Hospital of Schleswig-Holstein, 23538 Lübeck, Germany; (F.W.); (R.P.)
- Correspondence: ; Tel.: +49-451-500-42129
| | - Franziska Wendt
- Department of Otorhinolaryngology, University Hospital of Schleswig-Holstein, 23538 Lübeck, Germany; (F.W.); (R.P.)
| | - Ralph Pries
- Department of Otorhinolaryngology, University Hospital of Schleswig-Holstein, 23538 Lübeck, Germany; (F.W.); (R.P.)
| | - Barbara Wollenberg
- Department of Otorhinolaryngology, University Hospital MRI, Technical University, 81675 München, Germany;
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47
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Maouia A, Rebetz J, Kapur R, Semple JW. The Immune Nature of Platelets Revisited. Transfus Med Rev 2020; 34:209-220. [PMID: 33051111 PMCID: PMC7501063 DOI: 10.1016/j.tmrv.2020.09.005] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/31/2020] [Accepted: 09/03/2020] [Indexed: 01/08/2023]
Abstract
Platelets are the primary cellular mediators of hemostasis and this function firmly acquaints them with a variety of inflammatory processes. For example, platelets can act as circulating sentinels by expressing Toll-like receptors (TLR) that bind pathogens and this allows platelets to effectively kill them or present them to cells of the immune system. Furthermore, activated platelets secrete and express many pro- and anti-inflammatory molecules that attract and capture circulating leukocytes and direct them to inflamed tissues. In addition, platelets can directly influence adaptive immune responses via secretion of, for example, CD40 and CD40L molecules. Platelets are also the source of most of the microvesicles in the circulation and these miniscule elements further enhance the platelet’s ability to communicate with the immune system. More recently, it has been demonstrated that platelets and their parent cells, the megakaryocytes (MK), can also uptake, process and present both foreign and self-antigens to CD8+ T-cells conferring on them the ability to directly alter adaptive immune responses. This review will highlight several of the non-hemostatic attributes of platelets that clearly and rightfully place them as integral players in immune reactions. Platelets can act as circulating sentinels by expressing pathogen-associated molecular pattern receptors that bind pathogens and induce their killing and elimination. Activated platelets secrete and express a multitude of pro- and anti-inflammatory molecules that attract and capture circulating leukocytes and direct them to inflamed tissues. Platelets express and secrete many critical immunoregulatory molecules that significantly affect both innate and adaptive immune responses. Platelets are the primary source of microparticles in the circulation and these augment the platelet’s ability to communicate with the immune system. Platelets and megakaryocytes can act as antigen presenting cells and present both foreign- and self-peptides to T-cells.
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Affiliation(s)
- Amal Maouia
- Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden
| | - Johan Rebetz
- Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden
| | - Rick Kapur
- Sanquin Research, Department of Experimental Immunohematology, Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - John W Semple
- Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden; Clinical Immunology and Transfusion Medicine, Office of Medical Services, Region Skåne, Lund, Sweden.
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48
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Protein Compositions Changes of Circulating Microparticles in Patients With Valvular Heart Disease Subjected to Cardiac Surgery Contribute to Systemic Inflammatory Response and Disorder of Coagulation. Shock 2020; 52:487-496. [PMID: 30601407 DOI: 10.1097/shk.0000000000001309] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
We recently demonstrated that circulating microparticles (MPs) from patients with valvular heart diseases (VHD) subjected to cardiac surgery impaired endothelial function and vasodilation. However, it is unknown whether or not the protein composition of these circulating MPs actually changes in response to the disease and the surgery. Circulating MPs were isolated from age-matched control subjects (n = 50) and patients (n = 50) with VHD before and 72 h after cardiac surgery. Proteomics study was performed by liquid chromatography and mass spectrometry combined with isobaric tags for relative and absolute quantification technique. The differential proteins were identified by ProteinPilot, some of which were validated by Western blotting. Bio-informatic analysis of differential proteins was carried out. A total of 849 proteins were identified and 453 proteins were found in all three groups. Meanwhile, 165, 39, and 80 proteins were unique in the control, pre-operation, and postoperation groups respectively. The unique proteins were different in localization, molecular function, and biological process. The pro-inflammatory proteins were increased in VHD patients and more so postoperatively. Proteins related to coagulation were dramatically changed before and after surgery. The protein composition of circulating MPs was changed in patients with VHD undergoing cardiac surgery, which may lead to activation of the systemic inflammatory response and disorders of coagulation.
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49
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Marcoux G, Laroche A, Espinoza Romero J, Boilard E. Role of platelets and megakaryocytes in adaptive immunity. Platelets 2020; 32:340-351. [PMID: 32597341 DOI: 10.1080/09537104.2020.1786043] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The immune system is comprised of two principal interconnected components called innate and adaptive immunity. While the innate immune system mounts a nonspecific response that provides protection against the spread of foreign pathogens, the adaptive immune system has developed to specifically recognize a given pathogen and lead to immunological memory. Platelets are small fragments produced from megakaryocytes in bone marrow and lungs. They circulate throughout the blood to monitor the integrity of the vasculature and to prevent bleeding. Given their large repertoire of immune receptors and inflammatory molecules, platelets and megakaryocytes can contribute to both innate and adaptive immunity. In adaptive immunity, platelets and megakaryocytes can process and present antigens to lymphocytes. Moreover, platelets, via FcγRIIA, rapidly respond to pathogens in an immune host when antibodies are present. This manuscript reviews the reported contributions of platelets and megakaryocytes with emphasis on antigen presentation and antibody response in adaptive immunity.
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Affiliation(s)
- Genevieve Marcoux
- Axe Maladies Infectieuses et Inflammatoires, Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, Canada.,Département de Microbiologie-infectiologie et D'immunologie and Centre ARThrite, Université Laval, Québec, QC, Canada.,Department of Infectious Diseases and Immunity, Centre de Recherche du CHU de Québec, Québec, QC, Canada
| | - Audrée Laroche
- Axe Maladies Infectieuses et Inflammatoires, Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, Canada.,Département de Microbiologie-infectiologie et D'immunologie and Centre ARThrite, Université Laval, Québec, QC, Canada.,Department of Infectious Diseases and Immunity, Centre de Recherche du CHU de Québec, Québec, QC, Canada
| | - Jenifer Espinoza Romero
- Axe Maladies Infectieuses et Inflammatoires, Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, Canada.,Département de Microbiologie-infectiologie et D'immunologie and Centre ARThrite, Université Laval, Québec, QC, Canada.,Department of Infectious Diseases and Immunity, Centre de Recherche du CHU de Québec, Québec, QC, Canada
| | - Eric Boilard
- Axe Maladies Infectieuses et Inflammatoires, Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, Canada.,Département de Microbiologie-infectiologie et D'immunologie and Centre ARThrite, Université Laval, Québec, QC, Canada.,Department of Infectious Diseases and Immunity, Centre de Recherche du CHU de Québec, Québec, QC, Canada
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50
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Milasan A, Farhat M, Martel C. Extracellular Vesicles as Potential Prognostic Markers of Lymphatic Dysfunction. Front Physiol 2020; 11:476. [PMID: 32523544 PMCID: PMC7261898 DOI: 10.3389/fphys.2020.00476] [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: 01/31/2020] [Accepted: 04/20/2020] [Indexed: 12/21/2022] Open
Abstract
Despite significant efforts made to treat cardiovascular disease (CVD), more than half of cardiovascular events still occur in asymptomatic subjects devoid of traditional risk factors. These observations underscore the need for the identification of new biomarkers for the prevention of atherosclerosis, the main underlying cause of CVD. Extracellular vesicles (EVs) and lymphatic vessel function are emerging targets in this context. EVs are small vesicles released by cells upon activation or death that are present in several biological tissues and fluids, including blood and lymph. They interact with surrounding cells to transfer their cargo, and the complexity of their biological content makes these EVs potential key players in several chronic inflammatory settings. Many studies focused on the interaction of EVs with the most well-known players of atherosclerosis such as the vascular endothelium, smooth muscle cells and monocytes. However, the fate of EVs within the lymphatic network, a crucial route in the mobilization of cholesterol out the artery wall, is not known. In this review, we aim to bring forward evidence that EVs could be at the interplay between lymphatic function and atherosclerosis by summarizing the recent findings on the characterization of EVs in this setting.
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Affiliation(s)
- Andreea Milasan
- Department of Medicine, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Montreal Heart Institute, Montreal, QC, Canada
| | - Maya Farhat
- Department of Medicine, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Montreal Heart Institute, Montreal, QC, Canada
| | - Catherine Martel
- Department of Medicine, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Montreal Heart Institute, Montreal, QC, Canada
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