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He Y, Ma L, Zeng X, Xie J, Ning X. Systematic identification and analysis of immune-related circRNAs of Pelteobagrus fulvidraco involved in Aeromonas veronii infection. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 51:101256. [PMID: 38797004 DOI: 10.1016/j.cbd.2024.101256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
Circular RNA (circRNA) represents a type of newly discovered non-coding RNA, distinguished by its closed loop structure formed through covalent bonds. Recent studies have revealed that circRNAs have crucial influences on host anti-pathogen responses. Yellow catfish (Pelteobagrus fulvidraco), an important aquaculture fish with great economic value, is susceptible to Aeromonas veronii, a common aquatic pathogen that can cause acute death. Here, we reported the first systematic investigation of circRNAs in yellow catfish, especially those associated with A. veronii infection at different time points. A total of 1205 circRNAs were identified, which were generated from 875 parental genes. After infection, 47 circRNAs exhibited differential expression patterns (named DEcirs). The parental genes of these DEcirs were functionally engaged in immune-related processes. Accordingly, seven DEcirs (novel_circ_000226, 278, 401, 522, 736, 843, and 975) and six corresponding parental genes (ADAMTS13, HAMP1, ANG3, APOA1, FGB, and RALGPS1) associated with immunity were obtained, and their expression was confirmed by RT-qPCR. Moreover, we found that these DEcir-gene pairs likely acted through pathways, such as platelet activation, antimicrobial humoral response, and regulation of Ral protein signal transduction, to influence host immune defenses. Additionally, integrated analysis showed that, of the 7 immune-related DEcirs, three targeted 16 miRNAs, which intertwined into circRNA-miRNA networks. These findings revealed that circRNAs, by targeting genes or miRNAs are highly involved in anti-bacterial responses in yellow catfish. Our study comprehensively illustrates the roles of circRNAs in yellow catfish immune defenses. The identified DEcirs and the circRNA-miRNA network will contribute to the further investigations on the molecular mechanisms underlying yellow catfish immune responses.
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Affiliation(s)
- Yongxin He
- College of Marine Science and Engineering, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing Normal University, Nanjing 210023, Jiangsu, China
| | - Lina Ma
- College of Marine Science and Engineering, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing Normal University, Nanjing 210023, Jiangsu, China
| | - Xueyu Zeng
- College of Marine Science and Engineering, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing Normal University, Nanjing 210023, Jiangsu, China
| | - Jingjing Xie
- College of Marine Science and Engineering, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing Normal University, Nanjing 210023, Jiangsu, China
| | - Xianhui Ning
- College of Marine Science and Engineering, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing Normal University, Nanjing 210023, Jiangsu, China; Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang 222005, China.
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Martinez Bravo G, Annarapu G, Carmona E, Nawarskas J, Clark R, Novelli E, Mota Alvidrez RI. Platelets in Thrombosis and Atherosclerosis: A Double-Edged Sword. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1608-1621. [PMID: 38885926 DOI: 10.1016/j.ajpath.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/16/2024] [Accepted: 05/16/2024] [Indexed: 06/20/2024]
Abstract
This review focuses on the dual role of platelets in atherosclerosis and thrombosis, exploring their involvement in inflammation, angiogenesis, and plaque formation, as well as their hemostatic and prothrombotic functions. Beyond their thrombotic functions, platelets engage in complex interactions with diverse cell types, influencing disease resolution and progression. The contribution of platelet degranulation helps in the formation of atheromatous plaque, whereas the reciprocal interaction with monocytes adds complexity. Alterations in platelet membrane receptors and signaling cascades contribute to advanced atherosclerosis, culminating in atherothrombotic events. Understanding these multifaceted roles of platelets will lead to the development of targeted antiplatelet strategies for effective cardiovascular disease prevention and treatment. Understanding platelet functions in atherosclerosis and atherothrombosis at different stages of disease will be critical for designing targeted treatments and medications to prevent or cure the disease Through this understanding, platelets can be targeted at specific times in the atherosclerosis process, possibly preventing the development of atherothrombosis.
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Affiliation(s)
| | - Gowtham Annarapu
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Emely Carmona
- School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - James Nawarskas
- Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico
| | - Ross Clark
- Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Enrico Novelli
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania; School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Roberto I Mota Alvidrez
- Biomedical Engineering Department, University of New Mexico, Albuquerque, New Mexico; Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico.
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3
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Pavelec CM, Young AP, Luviano HL, Orrell EE, Szagdaj A, Poudel N, Wolpe AG, Thomas SH, Yeudall S, Upchurch CM, Okusa MD, Isakson BE, Wolf MJ, Leitinger N. Cardiomyocyte PANX1 Controls Glycolysis and Neutrophil Recruitment in Hypertrophy. Circ Res 2024; 135:503-517. [PMID: 38957990 PMCID: PMC11293983 DOI: 10.1161/circresaha.124.324650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 06/21/2024] [Indexed: 07/04/2024]
Abstract
BACKGROUND PANX1 (pannexin 1), a ubiquitously expressed ATP release membrane channel, has been shown to play a role in inflammation, blood pressure regulation, and myocardial infarction. However, the possible role of PANX1 in cardiomyocytes in the progression of heart failure has not yet been investigated. METHOD We generated a novel mouse line with constitutive deletion of PANX1 in cardiomyocytes (Panx1MyHC6). RESULTS PANX1 deletion in cardiomyocytes had no effect on unstressed heart function but increased the glycolytic metabolism and resulting glycolytic ATP production, with a concurrent decrease in oxidative phosphorylation, both in vivo and in vitro. In vitro, treatment of H9c2 (H9c2 rat myoblast cell line) cardiomyocytes with isoproterenol led to PANX1-dependent release of ATP and Yo-Pro-1 uptake, as assessed by pharmacological blockade with spironolactone and siRNA-mediated knockdown of PANX1. To investigate nonischemic heart failure and the preceding cardiac hypertrophy, we administered isoproterenol, and we demonstrated that Panx1MyHC6 mice were protected from systolic and diastolic left ventricle volume increases as a result of cardiomyocyte hypertrophy. Moreover, we found that Panx1MyHC6 mice showed decreased isoproterenol-induced recruitment of immune cells (CD45+), particularly neutrophils (CD11b+ [integrin subunit alpha M], Ly6g+ [lymphocyte antigen 6 family member G]), to the myocardium. CONCLUSIONS Together, these data demonstrate that PANX1 deficiency in cardiomyocytes increases glycolytic metabolism and protects against cardiac hypertrophy in nonischemic heart failure at least in part by reducing immune cell recruitment. Our study implies PANX1 channel inhibition as a therapeutic approach to ameliorate cardiac dysfunction in patients with heart failure.
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Affiliation(s)
- Caitlin M Pavelec
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
- Robert M. Berne Cardiovascular Research Center (C.M.P., A.P.Y., B.E.I., M.J.W., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Alexander P Young
- Cardiovascular Medicine, Department of Medicine (A.P.Y., M.J.W.), University of Virginia School of Medicine, Charlottesville
- Robert M. Berne Cardiovascular Research Center (C.M.P., A.P.Y., B.E.I., M.J.W., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Hannah L Luviano
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Emily E Orrell
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Anna Szagdaj
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Nabin Poudel
- Division of Nephrology and Center for Immunity, Inflammation and Regenerative Medicine (N.P., M.D.O.), University of Virginia School of Medicine, Charlottesville
| | - Abigail G Wolpe
- Department of Cell Biology (A.G.W.), University of Virginia School of Medicine, Charlottesville
| | - Samantha H Thomas
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Scott Yeudall
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Clint M Upchurch
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Mark D Okusa
- Division of Nephrology and Center for Immunity, Inflammation and Regenerative Medicine (N.P., M.D.O.), University of Virginia School of Medicine, Charlottesville
| | - Brant E Isakson
- Robert M. Berne Cardiovascular Research Center (C.M.P., A.P.Y., B.E.I., M.J.W., N.L.), University of Virginia School of Medicine, Charlottesville
- Department of Molecular Physiology and Biological Physics (B.E.I.), University of Virginia School of Medicine, Charlottesville
| | - Matthew J Wolf
- Cardiovascular Medicine, Department of Medicine (A.P.Y., M.J.W.), University of Virginia School of Medicine, Charlottesville
- Robert M. Berne Cardiovascular Research Center (C.M.P., A.P.Y., B.E.I., M.J.W., N.L.), University of Virginia School of Medicine, Charlottesville
| | - Norbert Leitinger
- Department of Pharmacology (C.M.P., H.L.L., E.E.O., A.S., S.H.T., S.Y., C.M.U., N.L.), University of Virginia School of Medicine, Charlottesville
- Robert M. Berne Cardiovascular Research Center (C.M.P., A.P.Y., B.E.I., M.J.W., N.L.), University of Virginia School of Medicine, Charlottesville
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Kazemi N, Bordbar A, Bavarsad SS, Ghasemi P, Bakhshi M, Rezaeeyan H. Molecular Insights into the Relationship Between Platelet Activation and Endothelial Dysfunction: Molecular Approaches and Clinical Practice. Mol Biotechnol 2024; 66:932-947. [PMID: 38184492 DOI: 10.1007/s12033-023-01010-8] [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: 08/27/2023] [Accepted: 11/27/2023] [Indexed: 01/08/2024]
Abstract
Platelets are one of the coagulation cells. When platelet activation occurs, many mediators are released and affect endothelial cells (ECs) and lead to endothelial dysfunction (ED). ED plays an important role in the pathogenesis of many diseases, including cardiovascular disease (CVD). Platelet are of important factors in ED. The release of mediators by platelets causes the stimulation of inflammatory pathways, oxidative stress, and apoptosis, which ultimately result in ED.On the other hand, platelet activation in CVD patients can be associated with a bad prognosis. Platelet activation can increase the level of markers such as p-selectin in the serum. Also, in this study, we have discussed the role of platelet as a diagnostic factor, as well as its use as a treatment option. In addition, we discussed some of the molecular pathways that are used to target platelet activation.
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Affiliation(s)
- Niloufar Kazemi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization (IBTO), Tehran, Iran
| | - Armin Bordbar
- Department of Cardiology, Musavi Hospital, School of Medicine, Zanjan University of Medical Science, Zanjan, Iran
| | | | - Parisa Ghasemi
- Research Committee, Medical School, Arak University of Medical Sciences, Arak, Iran
| | - Maryam Bakhshi
- Islamic Azad University of Najaf Abad, Affiliated Hospitals, Isfahan, Iran
| | - Hadi Rezaeeyan
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization (IBTO), Tehran, Iran.
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Huelsboemer L, Knoedler L, Kochen A, Yu CT, Hosseini H, Hollmann KS, Choi AE, Stögner VA, Knoedler S, Hsia HC, Pomahac B, Kauke-Navarro M. Cellular therapeutics and immunotherapies in wound healing - on the pulse of time? Mil Med Res 2024; 11:23. [PMID: 38637905 PMCID: PMC11025282 DOI: 10.1186/s40779-024-00528-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 04/10/2024] [Indexed: 04/20/2024] Open
Abstract
Chronic, non-healing wounds represent a significant challenge for healthcare systems worldwide, often requiring significant human and financial resources. Chronic wounds arise from the complex interplay of underlying comorbidities, such as diabetes or vascular diseases, lifestyle factors, and genetic risk profiles which may predispose extremities to local ischemia. Injuries are further exacerbated by bacterial colonization and the formation of biofilms. Infection, consequently, perpetuates a chronic inflammatory microenvironment, preventing the progression and completion of normal wound healing. The current standard of care (SOC) for chronic wounds involves surgical debridement along with localized wound irrigation, which requires inpatient care under general anesthesia. This could be followed by, if necessary, defect coverage via a reconstructive ladder utilizing wound debridement along with skin graft, local, or free flap techniques once the wound conditions are stabilized and adequate blood supply is restored. To promote physiological wound healing, a variety of approaches have been subjected to translational research. Beyond conventional wound healing drugs and devices that currently supplement treatments, cellular and immunotherapies have emerged as promising therapeutics that can behave as tailored therapies with cell- or molecule-specific wound healing properties. However, in contrast to the clinical omnipresence of chronic wound healing disorders, there remains a shortage of studies condensing the current body of evidence on cellular therapies and immunotherapies for chronic wounds. This review provides a comprehensive exploration of current therapies, experimental approaches, and translational studies, offering insights into their efficacy and limitations. Ultimately, we hope this line of research may serve as an evidence-based foundation to guide further experimental and translational approaches and optimize patient care long-term.
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Affiliation(s)
- Lioba Huelsboemer
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Leonard Knoedler
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
- School of Medicine, University of Regensburg, 93040, Regensburg, Germany
| | - Alejandro Kochen
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
- Regenerative Wound Healing Center, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Catherine T Yu
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Helia Hosseini
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Katharina S Hollmann
- School of Medicine, University of Wuerzburg, 97070, Würzburg, Germany
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Ashley E Choi
- California University of Science and Medicine, Colton, CA, 92324, USA
| | - Viola A Stögner
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Samuel Knoedler
- School of Medicine, University of Regensburg, 93040, Regensburg, Germany
| | - Henry C Hsia
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
- Regenerative Wound Healing Center, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Bohdan Pomahac
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Martin Kauke-Navarro
- Division of Reconstructive and Plastic Surgery, Yale School of Medicine, New Haven, CT, 06510, USA.
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Karakas D, Ni H. Unveiling Platelets as Immune Regulatory Cells. Circ Res 2024; 134:987-989. [PMID: 38603477 DOI: 10.1161/circresaha.124.324167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Affiliation(s)
- Danielle Karakas
- Toronto Platelet Immunobiology Group (D.K., H.N.)
- Department of Laboratory Medicine and Pathobiology (D.K., H.N.)
- University of Toronto, ON, Canada (D.K., H.N.)
- Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Canada (D.K., H.N.)
| | - Heyu Ni
- Toronto Platelet Immunobiology Group (D.K., H.N.)
- Department of Laboratory Medicine and Pathobiology (D.K., H.N.)
- Department of Medicine (H.N.)
- Department of Physiology (H.N.)
- University of Toronto, ON, Canada (D.K., H.N.)
- Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Canada (D.K., H.N.)
- Canadian Blood Services Centre for Innovation, Toronto, ON, Canada (H.N.)
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7
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Pavelec CM, Young AP, Luviano HL, Orrell EE, Szagdaj A, Poudel N, Wolpe AG, Thomas SH, Yeudall S, Upchurch CM, Okusa MD, Isakson BE, Wolf MJ, Leitinger N. Pannexin 1 Channels Control Cardiomyocyte Metabolism and Neutrophil Recruitment During Non-Ischemic Heart Failure. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.12.29.573679. [PMID: 38234768 PMCID: PMC10793433 DOI: 10.1101/2023.12.29.573679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Pannexin 1 (PANX1), a ubiquitously expressed ATP release membrane channel, has been shown to play a role in inflammation, blood pressure regulation, and myocardial infarction. However, a possible role of PANX1 in cardiomyocytes in the progression of heart failure has not yet been investigated. We generated a novel mouse line with constitutive deletion of PANX1 in cardiomyocytes (Panx1 MyHC6 ). PANX1 deletion in cardiomyocytes had no effect on unstressed heart function but increased the glycolytic metabolism both in vivo and in vitro . In vitro , treatment of H9c2 cardiomyocytes with isoproterenol led to PANX1-dependent release of ATP and Yo-Pro-1 uptake, as assessed by pharmacological blockade with spironolactone and siRNA-mediated knock-down of PANX1. To investigate non-ischemic heart failure and the preceding cardiac hypertrophy we administered isoproterenol, and we demonstrate that Panx1 MyHC6 mice were protected from systolic and diastolic left ventricle volume increases and cardiomyocyte hypertrophy. Moreover, we found that Panx1 MyHC6 mice showed decreased isoproterenol-induced recruitment of immune cells (CD45 + ), particularly neutrophils (CD11b + , Ly6g + ), to the myocardium. Together these data demonstrate that PANX1 deficiency in cardiomyocytes impacts glycolytic metabolism and protects against cardiac hypertrophy in non-ischemic heart failure at least in part by reducing immune cell recruitment. Our study implies PANX1 channel inhibition as a therapeutic approach to ameliorate cardiac dysfunction in heart failure patients.
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Tsujimura T, Iida O, Takahara M, Tobita K, Kawasaki D, Fujihara M, Sasaki S, Yokoi H, Suzuki K, Mano T. Impact of Platelet Reactivity on 1-Year Clinical Outcomes After Endovascular Therapy for Femoropopliteal Lesions. Am J Cardiol 2024; 215:58-61. [PMID: 38266798 DOI: 10.1016/j.amjcard.2024.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/20/2023] [Accepted: 01/13/2024] [Indexed: 01/26/2024]
Affiliation(s)
| | - Osamu Iida
- Cardiovascular Division, Osaka Police Hospital, Osaka, Japan
| | - Mitsuyoshi Takahara
- Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine, Suita, Japan
| | - Kazuki Tobita
- Department of Cardiology, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Daizo Kawasaki
- Department of Cardiology, Morinomiya Hospital, Osaka, Japan
| | - Masahiko Fujihara
- Department of Cardiology, Kishiwada Tokushukai Hospital, Kishiwada, Japan
| | - Sinya Sasaki
- Department of Cardiology, Saka General Hospital, Shiogama, Japan
| | - Hiroyoshi Yokoi
- Department of Cardiology, Fukuoka Sanno Hospital, Fukuoka, Japan
| | - Kenji Suzuki
- Department of Cardiology, Tokyo Saiseikai Central Hospital, Tokyo, Japan
| | - Toshiaki Mano
- Kansai Rosai Hospital, Cardiovascular Center, Amagasaki, Japan
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Chen WA, Boskovic DS. Neutrophil Extracellular DNA Traps in Response to Infection or Inflammation, and the Roles of Platelet Interactions. Int J Mol Sci 2024; 25:3025. [PMID: 38474270 DOI: 10.3390/ijms25053025] [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: 11/30/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024] Open
Abstract
Neutrophils present the host's first line of defense against bacterial infections. These immune effector cells are mobilized rapidly to destroy invading pathogens by (a) reactive oxygen species (ROS)-mediated oxidative bursts and (b) via phagocytosis. In addition, their antimicrobial service is capped via a distinct cell death mechanism, by the release of their own decondensed nuclear DNA, supplemented with a variety of embedded proteins and enzymes. The extracellular DNA meshwork ensnares the pathogenic bacteria and neutralizes them. Such neutrophil extracellular DNA traps (NETs) have the potential to trigger a hemostatic response to pathogenic infections. The web-like chromatin serves as a prothrombotic scaffold for platelet adhesion and activation. What is less obvious is that platelets can also be involved during the initial release of NETs, forming heterotypic interactions with neutrophils and facilitating their responses to pathogens. Together, the platelet and neutrophil responses can effectively localize an infection until it is cleared. However, not all microbial infections are easily cleared. Certain pathogenic organisms may trigger dysregulated platelet-neutrophil interactions, with a potential to subsequently propagate thromboinflammatory processes. These may also include the release of some NETs. Therefore, in order to make rational intervention easier, further elucidation of platelet, neutrophil, and pathogen interactions is still needed.
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Affiliation(s)
- William A Chen
- Division of Biochemistry, Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
- Department of Pharmaceutical and Administrative Sciences, School of Pharmacy, Loma Linda University, Loma Linda, CA 92350, USA
| | - Danilo S Boskovic
- Division of Biochemistry, Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
- Department of Earth and Biological Sciences, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
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10
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Dufeys C, Bodart J, Bertrand L, Beauloye C, Horman S. Fibroblasts and platelets: a face-to-face dialogue at the heart of cardiac fibrosis. Am J Physiol Heart Circ Physiol 2024; 326:H655-H669. [PMID: 38241009 DOI: 10.1152/ajpheart.00559.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/02/2024] [Accepted: 01/10/2024] [Indexed: 02/23/2024]
Abstract
Myocardial fibrosis is a feature found in most cardiac diseases and a key element contributing to heart failure and its progression. It has therefore become a subject of particular interest in cardiac research. Mechanisms leading to pathological cardiac remodeling and heart failure are diverse, including effects on cardiac fibroblasts, the main players in cardiac extracellular matrix synthesis, but also on cardiomyocytes, immune cells, endothelial cells, and more recently, platelets. Although transforming growth factor-β (TGF-β) is a primary regulator of fibrosis development, the cellular and molecular mechanisms that trigger its activation after cardiac injury remain poorly understood. Different types of anti-TGF-β drugs have been tested for the treatment of cardiac fibrosis and have been associated with side effects. Therefore, a better understanding of these mechanisms is of great clinical relevance and could allow us to identify new therapeutic targets. Interestingly, it has been shown that platelets infiltrate the myocardium at an early stage after cardiac injury, producing large amounts of cytokines and growth factors. These molecules can directly or indirectly regulate cells involved in the fibrotic response, including cardiac fibroblasts and immune cells. In particular, platelets are known to be a major source of TGF-β1. In this review, we have provided an overview of the classical cellular effectors involved in the pathogenesis of cardiac fibrosis, focusing on the emergent role of platelets, while discussing opportunities for novel therapeutic interventions.
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Affiliation(s)
- Cécile Dufeys
- Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Julie Bodart
- Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Luc Bertrand
- Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
- WELBIO Department, WEL Research Institute, Wavre, Belgium
| | - Christophe Beauloye
- Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
- Division of Cardiology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Sandrine Horman
- Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
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11
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Kumar V, Stewart JH. Obesity, bone marrow adiposity, and leukemia: Time to act. Obes Rev 2024; 25:e13674. [PMID: 38092420 DOI: 10.1111/obr.13674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/07/2023] [Accepted: 11/13/2023] [Indexed: 02/28/2024]
Abstract
Obesity has taken the face of a pandemic with less direct concern among the general population and scientific community. However, obesity is considered a low-grade systemic inflammation that impacts multiple organs. Chronic inflammation is also associated with different solid and blood cancers. In addition, emerging evidence demonstrates that individuals with obesity are at higher risk of developing blood cancers and have poorer clinical outcomes than individuals in a normal weight range. The bone marrow is critical for hematopoiesis, lymphopoiesis, and myelopoiesis. Therefore, it is vital to understand the mechanisms by which obesity-associated changes in BM adiposity impact leukemia development. BM adipocytes are critical to maintain homeostasis via different means, including immune regulation. However, obesity increases BM adiposity and creates a pro-inflammatory environment to upregulate clonal hematopoiesis and a leukemia-supportive environment. Obesity further alters lymphopoiesis and myelopoiesis via different mechanisms, which dysregulate myeloid and lymphoid immune cell functions mentioned in the text under different sequentially discussed sections. The altered immune cell function during obesity alters hematological malignancies and leukemia susceptibility. Therefore, obesity-induced altered BM adiposity, immune cell generation, and function impact an individual's predisposition and severity of leukemia, which should be considered a critical factor in leukemia patients.
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Affiliation(s)
- Vijay Kumar
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - John H Stewart
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Morehouse School of Medicine, Atlanta, Georgia, USA
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12
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Liu A, Sun N, Gao F, Wang X, Zhu H, Pan D. The prognostic value of dynamic changes in SII for the patients with STEMI undergoing PPCI. BMC Cardiovasc Disord 2024; 24:67. [PMID: 38262934 PMCID: PMC10804790 DOI: 10.1186/s12872-023-03679-w] [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: 05/31/2023] [Accepted: 12/18/2023] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND Predicting the prognosis of primary percutaneous coronary intervention(PPCI) in ST-segment elevation myocardial infarction (STEMI) patients in the perioperative period is of great clinical significance. The inflammatory response during the perioperative period is also an important factor. This study aimed to investigate the dynamic changes in the systemic immune inflammatory index (SII) during the perioperative period of PPCI and evaluate its predictive value for in-hospital and out-of-hospital outcomes in patients with STEMI. METHODS This retrospective study included 324 consecutive patients with STEMI who were admitted to the cardiac care unit. Blood samples were collected before PPCI, 12 h (T1), 24 h, 48 h after PPCI, the last time before hospital discharge (T2), and 1 month after hospital discharge. The SII was calculated as (neutrophils×platelets)/lymphocytes. Based on whether the primary endpoint occurred, we divided the patients into event and non-event groups. Univariate and multivariate logistic regression analyses were performed to identify independent risk factors that might influence the occurrence of the primary endpoint. Dynamic curves of SII were plotted, and receiver operating characteristic (ROC) curves were drawn for each node to calculate the optimal critical value, sensitivity, and specificity to assess their predictive ability for in-hospital and out-of-hospital courses. Kaplan-Meier curves were used to analyze the differences in survival rates at different SII inflammation levels. RESULTS High levels of SII were individually related to the occurrence of the in-hospital period and long-term outcomes during the post-operative follow-up of STEMI patients (in-hospital SII: T1:OR 1.001,95%CI 1.001-1.001, P < 0.001; SII following hospital discharge: T1M: OR 1.008,95%CI 1.006-1.010, P < 0.001). Patients with high SII levels had lower survival rates than those with low SII levels. The analysis showed that the SII 12 h after (T1) and SII 1 month (T1M) had excellent predictive values for the occurrence of in-hospital and out-of-hospital outcomes, respectively (AUC:0.896, P < 0.001; AUC:0.892, P < 0.001). CONCLUSION There is a significant relationship between the dynamic status of SII and prognosis in patients with STEMI. This study found that the 12 h and SII 1 month affected in-hospital and out-of-hospital outcomes, respectively. Consequently, we focused on the dynamic changes in the SII.
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Affiliation(s)
- Ailin Liu
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Na Sun
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Feiyu Gao
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Xiaotong Wang
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Hong Zhu
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
| | - Defeng Pan
- Department of Cardiology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
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13
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Reusswig F, Dille M, Krüger E, Ortscheid J, Feige T, Gorressen S, Fischer JW, Elvers M. Platelets modulate cardiac remodeling via the collagen receptor GPVI after acute myocardial infarction. Front Immunol 2024; 14:1275788. [PMID: 38274818 PMCID: PMC10808189 DOI: 10.3389/fimmu.2023.1275788] [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: 08/10/2023] [Accepted: 12/21/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction Platelets play an important role in cardiovascular diseases. After acute myocardial infarction, platelets display enhanced activation and migrate into the infarct zone. Furthermore, platelets trigger acute inflammation and cardiac remodeling leading to alterations in scar formation and cardiac function as observed in thrombocytopenic mice. GPVI is the major collagen receptor in platelets and important for platelet activation and thrombus formation and stability. Antibody induced deletion of GPVI at the platelet surface or treatment of mice with recombinant GPVI-Fc results in reduced inflammation and decreased infarct size in a mouse model of AMI. However, the role of GPVI has not been fully clarified to date. Methods/Results In this study, we found that GPVI is not involved in the inflammatory response in experimental AMI using GPVI deficient mice that were analyzed in a closed-chest model. However, reduced platelet activation in response to GPVI and PAR4 receptor stimulation resulted in reduced pro-coagulant activity leading to improved cardiac remodeling. In detail, GPVI deficiency in mice led to reduced TGF-β plasma levels and decreased expression of genes involved in cardiac remodeling such as Col1a1, Col3a1, periostin and Cthrc1 7 days post AMI. Consequently, collagen quality of the scar shifted to more tight and less fine collagen leading to improved scar formation and cardiac function in GPVI deficient mice at 21d post AMI. Conclusion Taken together, this study identifies GPVI as a major regulator of platelet-induced cardiac remodeling and supports the potential relevance of GPVI as therapeutic target to reduce ischemia reperfusion injury and to improve cardiac healing.
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Affiliation(s)
- Friedrich Reusswig
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
| | - Matthias Dille
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
| | - E. Krüger
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
| | - J. Ortscheid
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
| | - Tobias Feige
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
| | - S. Gorressen
- Institute for Pharmacology and Clinical Pharmacology, Heinrich-Heine University, Düsseldorf, Germany
| | - J.-W. Fischer
- Institute for Pharmacology and Clinical Pharmacology, Heinrich-Heine University, Düsseldorf, Germany
| | - Margitta Elvers
- Department of Vascular- and Endovascular Surgery, University Hospital Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
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14
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An O, Deppermann C. Platelet lifespan and mechanisms for clearance. Curr Opin Hematol 2024; 31:6-15. [PMID: 37905750 DOI: 10.1097/moh.0000000000000792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
PURPOSE OF REVIEW Activated or aged platelets are removed from circulation under (patho)physiologic conditions, the exact mechanism of platelet clearance under such conditions remains unclear and are currently being investigated. This review focuses on recent findings and controversies regarding platelet clearance and the disruption of platelet life cycle. RECENT FINDINGS The platelet life span is determined by glycosylation of platelet surface receptors with sialic acid. Recently, it was shown that platelet activation and granule release leads to desialylation of glycans and accelerated clearance of platelets under pathological conditions. This phenomenon was demonstrated to be a main reason for thrombocytopenia being a complication in several infections and immune disorders. SUMMARY Although we have recently gained some insight into how aged platelets are cleared from circulation, we are still not seeing the full picture. Further investigations of the platelet clearance pathways under pathophysiologic conditions are needed as well as studies to unravel the connection between platelet clearance and platelet production.
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Affiliation(s)
- Olga An
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
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15
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Ince O, Gulsen K, Ozcan S, Donmez E, Ziyrek M, Sahin I, Okuyan E. Is dynamic change in mean platelet volume related with composite endpoint development after transcatheter aortic valve replacement? Blood Coagul Fibrinolysis 2023; 34:487-493. [PMID: 37756207 DOI: 10.1097/mbc.0000000000001255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Aortic valve stenosis (AS) is the most common valvular disease, and surgical or transcatheter aortic valve replacement (TAVR) are the treatment options. Diminish in platelet production or dysfunction may occur due to shear stress, advanced age, and other coexisting diseases in AS patients. Bleeding is one of the complications of TAVR and associated with increased mortality. MPV (mean platelet volume) indicates platelet's thrombogenic activity. Overproduction or consumption of platelets in various cardiac conditions may affect MPV values. We aimed to investigate the pre and postprocedure MPV percentage change (MPV-PC) and its association with post-TAVR short-term complications. A total of 204 patients who underwent TAVR with a diagnosis of severe symptomatic AS were included. The mean age was 78.66 ± 6.45 years, and 49.5% of patients were women. Two groups generated according to composite end point (CEP) development: CEP(+) and CEP(-).110 patients(53.9%) formed CEP(+) group. Although baseline MPV and platelet levels were similar between groups, MPV was increased ( P < 0.001) and platelet was decreased ( P < 0.001) significantly following the procedure when compared to baseline. MPV-PC was significantly higher in the VARC type 2-4 bleeding ( P = 0.036) and major vascular, access-related, or cardiac structural complication groups ( P = 0.048) when CEP subgroups were analyzed individually. Regression analysis revealed that diabetes mellitus [ P = 0.044, β: 1.806 odds ratio (95% confidence interval): 1.016-3.21] and MPV-PC [ P = 0.007,β: 1.044 odds ratio (95% confidence interval): 1.012-1.077] as independent predictors of CEP development at 1 month after TAVR. The MPV increase following TAVR may be an indicator of adverse outcomes following TAVR procedure within 1-month.
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Affiliation(s)
- Orhan Ince
- Department of Cardiology, Istanbul Bagcilar Training and Research Hospital
| | - Kamil Gulsen
- Department of Cardiology, Health and Science University Kartal Kosuyolu Training and Research Hospital, Istanbul
| | - Sevgi Ozcan
- Department of Cardiology, Istanbul Bagcilar Training and Research Hospital
| | - Esra Donmez
- Department of Cardiology, Istanbul Bagcilar Training and Research Hospital
| | - Murat Ziyrek
- Department of Cardiology, Konya Farabi Hospital, Konya, Turkey
| | - Irfan Sahin
- Department of Cardiology, Istanbul Bagcilar Training and Research Hospital
| | - Ertugrul Okuyan
- Department of Cardiology, Istanbul Bagcilar Training and Research Hospital
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Gao Y, Li Y, Chen X, Wu C, Guo Z, Bai G, Liu T, Li G. The Systemic Inflammation Index Predicts Poor Clinical Prognosis in Patients with Initially Diagnosed Acute Coronary Syndrome Undergoing Primary Coronary Angiography. J Inflamm Res 2023; 16:5205-5219. [PMID: 38026253 PMCID: PMC10655605 DOI: 10.2147/jir.s435398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
Background Systemic inflammation index (SII: neutrophil count * platelet count/lymphocyte count) is a new inflammatory marker that can reflect the degree of systemic inflammatory response after coronary artery disease (CAD). However, the predictive value of the SII for clinical prognosis in patients with initially diagnosed acute coronary syndrome (ACS) has yet to be thoroughly studied. Patients and Methods Patients with initially diagnosed ACS who underwent primary coronary angiography in our hospital from January 2019 to April 2021 were included in this study. 757 patients with ACS who underwent primary coronary angiography were enrolled. According to the baseline SII level, the patients were divided into a high SII group and a low SII group. The primary endpoint was major cardiovascular events (MACEs), defined as cardiac death, non-fatal myocardial infarction (MI), and non-fatal stroke. Results At a median follow-up of 33.9 months, 140 (18.5%) MACEs were recorded. Receiver operating characteristic (ROC) curve analysis showed that SII's best cut-off value for predicting MACEs was 713.9*109/L. Kaplan-Meier survival curve analysis showed that the survival rate of the low SII group was higher than the high SII group (P<0.001). Compared with the low SII group, the risk of MACEs was significantly increased in the high SII group (89 cases (33.3%) vs.51 patients (10.4%), P<0.001). Univariate and multivariate Cox regression analysis manifested that high SII level was independently associated with the occurrence of MACEs in patients with ACS undergoing primary coronary angiography (adjusted hazard ratio [HR]: 2.915, 95% confidence interval (CI%): 1.830-4.641, P<0.001). Adding SII to the conventional risk factor model improved the predictive value of MACEs. Conclusion This study showed that elevated SII was associated with adverse cardiovascular prognosis in patients with ACS undergoing primary coronary angiography, making SII a valuable predictor of poor prognosis in patients with ACS undergoing primary coronary angiography.
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Affiliation(s)
- Yi Gao
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Yuqing Li
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Xiaolin Chen
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Chen Wu
- Department of Emergency Medicine, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Ziqiang Guo
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Geng Bai
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Tong Liu
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Guangping Li
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
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Li Y, Bai G, Gao Y, Guo Z, Chen X, Liu T, Li G. The Systemic Immune Inflammatory Response Index Can Predict the Clinical Prognosis of Patients with Initially Diagnosed Coronary Artery Disease. J Inflamm Res 2023; 16:5069-5082. [PMID: 37936598 PMCID: PMC10627051 DOI: 10.2147/jir.s432506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 10/24/2023] [Indexed: 11/09/2023] Open
Abstract
Background Recently, the systemic immune inflammatory response index (SIIRI), a novel and expanded inflammatory response marker, has been an independent predictor of lesion severity in patients with acute coronary syndrome (ACS). However, its predictive role in patients with initially diagnosed coronary artery disease (CAD) remains to be explored. Patients and Methods We evaluated 959 patients with CAD undergoing an initial coronary intervention. Each patient had laboratory measurements, including blood cell counts, taken after admission and before interventional treatment. The primary endpoint was major cardiovascular events (MACEs), defined as cardiovascular death, nonfatal myocardial infarction(MI), and nonfatal stroke. The secondary endpoints included MACEs and readmission for congestive heart failure(HF). Results During a mean follow-up period of 33.3±9.9 months, 229 (23.9%) MACEs were recorded. ROC curve analysis displayed that the best cut-off value of SIIRI for predicting MACEs was 247.17*1018/L2. Kaplan-Meier survival curve analysis showed that the survival rate of the low SIIRI group was higher than that of the high SIIRI group (P<0.001). Compared with the low SIIRI group, the high SIIRI group had a significantly higher risk of MACEs (187 cases (39.53%) vs.42 patients (8.64%), P<0.001). Univariate and multivariate Cox regression analyses displayed that high SIIRI levels were independently associated with the occurrence of MACEs in patients with initially diagnosed CAD undergoing percutaneous coronary intervention (PCI) (adjusted hazard ratio [HR]: 3.808, 95% confidence interval [CI%]: 2.643-5.486, P<0.001). Adding SIIRI to conventional risk factor models improved the predictive value of MACEs. Conclusion Elevated SIIRI is associated with adverse cardiovascular prognosis in patients with initially diagnosed CAD. SIIRI can be a simple and practical index to identify high-risk patients with CAD after PCI.
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Affiliation(s)
- Yuqing Li
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Geng Bai
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Yi Gao
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Ziqiang Guo
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Xiaolin Chen
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Tong Liu
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
| | - Guangping Li
- Tianjin Key Laboratory of Logic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People’s Republic of China
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Ihedioha OC, Sivakoses A, Beverley SM, McMahon-Pratt D, Bothwell ALM. Leishmania major-derived lipophosphoglycan influences the host's early immune response by inducing platelet activation and DKK1 production via TLR1/2. Front Immunol 2023; 14:1257046. [PMID: 37885890 PMCID: PMC10598878 DOI: 10.3389/fimmu.2023.1257046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
Background Platelets are rapidly deployed to infection sites and respond to pathogenic molecules via pattern recognition receptors (TLR, NLRP). Dickkopf1 (DKK1) is a quintessential Wnt antagonist produced by a variety of cell types including platelets, endothelial cells, and is known to modulate pro-inflammatory responses in infectious diseases and cancer. Moreover, DKK1 is critical for forming leukocyte-platelet aggregates and induction of type 2 cell-mediated immune responses. Our previous publication showed activated platelets release DKK1 following Leishmania major recognition. Results Here we probed the role of the key surface virulence glycoconjugate lipophosphoglycan (LPG), on DKK1 production using null mutants deficient in LPG synthesis (Δlpg1- and Δlpg2-). Leishmania-induced DKK1 production was reduced to control levels in the absence of LPG in both mutants and was restored upon re-expression of the cognate LPG1 or LPG2 genes. Furthermore, the formation of leukocyte-platelet aggregates was dependent on LPG. LPG mediated platelet activation and DKK1 production occurs through TLR1/2. Conclusion Thus, LPG is a key virulence factor that induces DKK1 production from activated platelets, and the circulating DKK1 promotes Th2 cell polarization. This suggests that LPG-activated platelets can drive innate and adaptive immune responses to Leishmania infection.
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Affiliation(s)
- Olivia C. Ihedioha
- 1Department of Immunobiology, College of Medicine, University of Arizona, Tucson, AZ, United States
| | - Anutr Sivakoses
- 1Department of Immunobiology, College of Medicine, University of Arizona, Tucson, AZ, United States
| | - Stephen M. Beverley
- Department of Molecular Microbiology, Washington University School of Medicine in St Louis, St. Louis, MI, United States
| | - Diane McMahon-Pratt
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, United States
| | - Alfred L. M. Bothwell
- 1Department of Immunobiology, College of Medicine, University of Arizona, Tucson, AZ, United States
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Garcia C, Compagnon B, Ribes A, Voisin S, Vardon-Bounes F, Payrastre B. SARS-CoV-2 Omicron variant infection affects blood platelets, a comparative analysis with Delta variant. Front Immunol 2023; 14:1231576. [PMID: 37828997 PMCID: PMC10565689 DOI: 10.3389/fimmu.2023.1231576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 09/08/2023] [Indexed: 10/14/2023] Open
Abstract
Introduction In November 2021, the SARS-CoV-2 Omicron variant of concern has emerged and is currently dominating the COVID-19 pandemic over the world. Omicron displays a number of mutations, particularly in the spike protein, leading to specific characteristics including a higher potential for transmission. Although Omicron has caused a significant number of deaths worldwide, it generally induces less severe clinical signs compared to earlier variants. As its impact on blood platelets remains unknown, we investigated platelet behavior in severe patients infected with Omicron in comparison to Delta. Methods Clinical and biological characteristics of severe COVID-19 patients infected with the Omicron (n=9) or Delta (n=11) variants were analyzed. Using complementary methods such as flow cytometry, confocal imaging and electron microscopy, we examined platelet activation, responsiveness and phenotype, presence of virus in platelets and induction of selective autophagy. We also explored the direct effect of spike proteins from the Omicron or Delta variants on healthy platelet signaling. Results Severe Omicron variant infection resulted in platelet activation and partial desensitization, presence of the virus in platelets and selective autophagy response. The intraplatelet processing of Omicron viral cargo was different from Delta as evidenced by the distribution of spike protein-positive structures near the plasma membrane and the colocalization of spike and Rab7. Moreover, spike proteins from the Omicron or Delta variants alone activated signaling pathways in healthy platelets including phosphorylation of AKT, p38MAPK, LIMK and SPL76 with different kinetics. Discussion Although SARS-CoV-2 Omicron has different biological characteristics compared to prior variants, it leads to platelet activation and desensitization as previously observed with the Delta variant. Omicron is also found in platelets from severe patients where it induces selective autophagy, but the mechanisms of intraplatelet processing of Omicron cargo, as part of the innate response, differs from Delta, suggesting that mutations on spike protein modify virus to platelet interactions.
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Affiliation(s)
- Cédric Garcia
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Laboratoire d’Hématologie, Toulouse, France
| | - Baptiste Compagnon
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Pôle Anesthésie-Réanimation, Toulouse, France
| | - Agnès Ribes
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Laboratoire d’Hématologie, Toulouse, France
| | - Sophie Voisin
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Laboratoire d’Hématologie, Toulouse, France
| | - Fanny Vardon-Bounes
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Pôle Anesthésie-Réanimation, Toulouse, France
| | - Bernard Payrastre
- Inserm UMR1297 and Université Toulouse 3, Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Laboratoire d’Hématologie, Toulouse, France
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Nardin M, Verdoia M, Cao D, Nardin S, Kedhi E, Galasso G, van ‘t Hof AWJ, Condorelli G, De Luca G. Platelets and the Atherosclerotic Process: An Overview of New Markers of Platelet Activation and Reactivity, and Their Implications in Primary and Secondary Prevention. J Clin Med 2023; 12:6074. [PMID: 37763014 PMCID: PMC10531614 DOI: 10.3390/jcm12186074] [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: 06/22/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
The key role played by platelets in the atherosclerosis physiopathology, especially in the acute setting, is ascertained: they are the main actors during thrombus formation and, thus, one of the major investigated elements related to atherothrombotic process involving coronary arteries. Platelets have been studied from different points of view, according with the technology advances and the improvement in the hemostasis knowledge achieved in the last years. Morphology and reactivity constitute the first aspects investigated related to platelets with a significant body of evidence published linking a number of their values and markers to coronary artery disease and cardiovascular events. Recently, the impact of genetics on platelet activation has been explored with promising findings as additional instrument for patient risk stratification; however, this deserves further confirmations. Moreover, the interplay between immune system and platelets has been partially elucidated in the last years, providing intriguing elements that will be basic components for future research to better understand platelet regulation and improve cardiovascular outcome of patients.
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Affiliation(s)
- Matteo Nardin
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- Third Medicine Division, Department of Medicine, ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Monica Verdoia
- Division of Cardiology, Ospedale degli Infermi, ASL Biella, 13875 Biella, Italy
- Department of Translational Medicine, Eastern Piedmont University, 28100 Novara, Italy
| | - Davide Cao
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- Department of Cardiology, Humanitas Gavazzeni Hospital, 24125 Bergamo, Italy
| | - Simone Nardin
- U.O. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
- Department of Internal Medicine and Medical Sciences, School of Medicine, University of Genova, 16126 Genova, Italy
| | - Elvin Kedhi
- Division of Cardiology, Hopital Erasmus, Universitè Libre de Bruxelles, 1050 Bruxelles, Belgium
| | - Gennaro Galasso
- Division of Cardiology, Ospedale Ruggi D’Aragona, Università di Salerno, 84084 Salerno, Italy
| | - Arnoud W. J. van ‘t Hof
- Department of Cardiology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), 6229 ER Maastricht, The Netherlands
- Department of Cardiology, Zuyderland Medical Center, 6419 PC Heerlen, The Netherlands
| | - Gianluigi Condorelli
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- Department of Cardiovascular Medicine, IRCCS-Humanitas Research Hospital, 20089 Rozzano, Italy
| | - Giuseppe De Luca
- Division of Cardiology, AOU “Policlinico G. Martino”, Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy
- Division of Cardiology, IRCCS Hospital Galeazzi-Sant’Ambrogio, 20157 Milan, Italy
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21
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Ji W, Zhang Y, Deng Y, Li C, Kankala RK, Chen A. Nature-inspired nanocarriers for improving drug therapy of atherosclerosis. Regen Biomater 2023; 10:rbad069. [PMID: 37641591 PMCID: PMC10460486 DOI: 10.1093/rb/rbad069] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/22/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Atherosclerosis (AS) has emerged as one of the prevalent arterial vascular diseases characterized by plaque and inflammation, primarily causing disability and mortality globally. Drug therapy remains the main treatment for AS. However, a series of obstacles hinder effective drug delivery. Nature, from natural micro-/nano-structural biological particles like natural cells and extracellular vesicles to the distinctions between the normal and pathological microenvironment, offers compelling solutions for efficient drug delivery. Nature-inspired nanocarriers of synthetic stimulus-responsive materials and natural components, such as lipids, proteins and membrane structures, have emerged as promising candidates for fulfilling drug delivery needs. These nanocarriers offer several advantages, including prolonged blood circulation, targeted plaque delivery, targeted specific cells delivery and controlled drug release at the action site. In this review, we discuss the nature-inspired nanocarriers which leverage the natural properties of cells or the microenvironment to improve atherosclerotic drug therapy. Finally, we provide an overview of the challenges and opportunities of applying these innovative nature-inspired nanocarriers.
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Affiliation(s)
- Weihong Ji
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Yuanxing Zhang
- The Institute of Forensic Science, Xiamen Public Security Bureau, Xiamen, Fujian 361104, PR China
| | - Yuanru Deng
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Changyong Li
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Aizheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
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22
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Polley DJ, Latham P, Choi MY, Buhler KA, Fritzler MJ, Fritzler ML. Identification of novel clusters of co-expressing cytokines in a diagnostic cytokine multiplex test. Front Immunol 2023; 14:1223817. [PMID: 37600813 PMCID: PMC10432683 DOI: 10.3389/fimmu.2023.1223817] [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: 05/16/2023] [Accepted: 07/10/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Cytokines are mediators of the immune system that are essential for the maintenance, development and resolution of immune responses. Beneficial immune responses depend on complex, interdependent networks of signaling and regulatory events in which individual cytokines influence the production and release of others. Since disruptions in these signaling networks are associated with a wide spectrum of diseases, cytokines have gained considerable interest as diagnostic, prognostic and precision therapy-relevant biomarkers. However, currently individual cytokines testing has limited value because the wider immune response context is often overlooked. The aim of this study was to identify specific cytokine signaling patterns associated with different diseases. Methods Unbiased clustering analyses were performed on a clinical cytokine multiplex test using a cohort of human plasma specimens drawn from individuals with known or suspected diseases for which cytokine profiling was considered clinically indicated by the attending physician. Results and discussion Seven clusters of co-expressing cytokines were identified, representing common patterns of immune activation. Common expression profiles of the cytokine clusters and preliminary associations of these profiles with specific diseases or disease categories were also identified. These findings increase our understanding of the immune environments underlying the clinical presentations of patients of inflammatory, autoimmune and neoplastic diseases, which could then improve diagnoses and the identification of evidence-based treatment targets.
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Affiliation(s)
| | - Penny Latham
- Eve Technologies Corporation, Calgary, AB, Canada
| | - May Y. Choi
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Katherine A. Buhler
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Marvin J. Fritzler
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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23
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Sano H, Kratz A, Nishino T, Imamura H, Yoshida Y, Shimizu N, Kitano H, Yachie A. Nicotinamide mononucleotide (NMN) alleviates the poly(I:C)-induced inflammatory response in human primary cell cultures. Sci Rep 2023; 13:11765. [PMID: 37474783 PMCID: PMC10359400 DOI: 10.1038/s41598-023-38762-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 07/14/2023] [Indexed: 07/22/2023] Open
Abstract
NMN is the direct precursor of nicotinamide adenine dinucleotide (NAD+) and is considered as a key factor for increasing NAD+ levels and mitochondrial activity in cells. In this study, based on transcriptome analysis, we showed that NMN alleviates the poly(I:C)-induced inflammatory response in cultures of two types of human primary cells, human pulmonary microvascular endothelial cells (HPMECs) and human coronary artery endothelial cells (HCAECs). Major inflammatory mediators, including IL6 and PARP family members, were grouped into coexpressed gene modules and significantly downregulated under NMN exposure in poly(I:C)-activated conditions in both cell types. The Bayesian network analysis of module hub genes predicted common genes, including eukaryotic translation initiation factor 4B (EIF4B), and distinct genes, such as platelet-derived growth factor binding molecules, in HCAECs, which potentially regulate the identified inflammation modules. These results suggest a robust regulatory mechanism by which NMN alleviates inflammatory pathway activation, which may open up the possibility of a new role for NMN replenishment in the treatment of chronic or acute inflammation.
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Affiliation(s)
- Hitomi Sano
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan
| | - Anton Kratz
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan
| | - Taiko Nishino
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan
| | - Haruna Imamura
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan
| | - Yuki Yoshida
- Ginza Research Center, Mirailab Bioscience Inc., 6F Prairie Ginza Bldg., 1-14-4, Ginza, Chuo-ku, Tokyo, 104-0061, Japan
| | - Noriaki Shimizu
- Ginza Research Center, Mirailab Bioscience Inc., 6F Prairie Ginza Bldg., 1-14-4, Ginza, Chuo-ku, Tokyo, 104-0061, Japan
| | - Hiroaki Kitano
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan
| | - Ayako Yachie
- The Systems Biology Institute, Saisei Ikedayama Bldg., 5-10-25, Higashi Gotanda, Shinagawa-ku, Tokyo, 141-0022, Japan.
- SBX BioSciences, Inc., 1600 - 925 West Georgia Street, Vancouver, BC, V6C 3L2, Canada.
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24
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Panzer B, Kopp CW, Neumayer C, Koppensteiner R, Jozkowicz A, Poledniczek M, Gremmel T, Jilma B, Wadowski PP. Toll-like Receptors as Pro-Thrombotic Drivers in Viral Infections: A Narrative Review. Cells 2023; 12:1865. [PMID: 37508529 PMCID: PMC10377790 DOI: 10.3390/cells12141865] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Toll-like receptors (TLRs) have a critical role in the pathogenesis and disease course of viral infections. The induced pro-inflammatory responses result in the disturbance of the endovascular surface layer and impair vascular homeostasis. The injury of the vessel wall further promotes pro-thrombotic and pro-coagulatory processes, eventually leading to micro-vessel plugging and tissue necrosis. Moreover, TLRs have a direct role in the sensing of viruses and platelet activation. TLR-mediated upregulation of von Willebrand factor release and neutrophil, as well as macrophage extra-cellular trap formation, further contribute to (micro-) thrombotic processes during inflammation. The following review focuses on TLR signaling pathways of TLRs expressed in humans provoking pro-thrombotic responses, which determine patient outcome during viral infections, especially in those with cardiovascular diseases.
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Affiliation(s)
- Benjamin Panzer
- Department of Cardiology, Wilhelminenspital, 1090 Vienna, Austria
| | - Christoph W Kopp
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of Surgery, Medical University of Vienna, 1090 Vienna, Austria
| | - Renate Koppensteiner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Alicja Jozkowicz
- Faculty of Biophysics, Biochemistry and Biotechnology, Department of Medical Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Michael Poledniczek
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Thomas Gremmel
- Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, 3100 St. Pölten, Austria
- Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, 2130 Mistelbach, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Patricia P Wadowski
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
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25
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van Steenwijk HP, Winter E, Knaven E, Brouwers JF, van Baardwijk M, van Dalum JB, Luijendijk TJC, van Osch FHM, Troost FJ, Bast A, Semen KO, de Boer A. The beneficial effect of sulforaphane on platelet responsiveness during caloric load: a single-intake, double-blind, placebo-controlled, crossover trial in healthy participants. Front Nutr 2023; 10:1204561. [PMID: 37485383 PMCID: PMC10359317 DOI: 10.3389/fnut.2023.1204561] [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: 04/12/2023] [Accepted: 06/15/2023] [Indexed: 07/25/2023] Open
Abstract
Background and aims As our understanding of platelet activation in response to infections and/or inflammatory conditions is growing, it is becoming clearer that safe, yet efficacious, platelet-targeted phytochemicals could improve public health beyond the field of cardiovascular diseases. The phytonutrient sulforaphane shows promise for clinical use due to its effect on inflammatory pathways, favorable pharmacokinetic profile, and high bioavailability. The potential of sulforaphane to improve platelet functionality in impaired metabolic processes has however hardly been studied in humans. This study investigated the effects of broccoli sprout consumption, as a source of sulforaphane, on urinary 11-dehydro-thromboxane B2 (TXB2), a stable thromboxane metabolite used to monitor eicosanoid biosynthesis and response to antithrombotic therapy, in healthy participants exposed to caloric overload. Methods In this double-blind, placebo-controlled, crossover trial 12 healthy participants were administered 16g of broccoli sprouts, or pea sprouts (placebo) followed by the standardized high-caloric drink PhenFlex given to challenge healthy homeostasis. Urine samples were collected during the study visits and analyzed for 11-dehydro-TXB2, sulforaphane and its metabolites. Genotyping was performed using Illumina GSA v3.0 DTCBooster. Results Administration of broccoli sprouts before the caloric load reduced urinary 11-dehydro-TXB2 levels by 50% (p = 0.018). The amount of sulforaphane excreted in the urine during the study visits correlated negatively with 11-dehydro-TXB2 (rs = -0.377, p = 0.025). Participants carrying the polymorphic variant NAD(P)H dehydrogenase quinone 1 (NQO1*2) showed decreased excretion of sulforaphane (p = 0.035). Conclusion Sulforaphane was shown to be effective in targeting platelet responsiveness after a single intake. Our results indicate an inverse causal relationship between sulforaphane and 11-dehydro-TXB2, which is unaffected by the concomitant intake of the metabolic challenge. 11-Dehydro-TXB2 shows promise as a non-invasive, sensitive, and suitable biomarker to investigate the effects of phytonutrients on platelet aggregation within hours. Clinical trial registration [https://clinicaltrials.gov/], identifier [NCT05146804].
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Affiliation(s)
- Hidde P. van Steenwijk
- Food Claims Centre Venlo, Faculty of Science and Engineering, Maastricht University, Maastricht, Netherlands
| | - Evi Winter
- Food Claims Centre Venlo, Faculty of Science and Engineering, Maastricht University, Maastricht, Netherlands
| | - Edward Knaven
- Research Group Analysis Techniques in the Life Sciences, Avans University of Applied Sciences, Breda, Netherlands
| | - Jos F. Brouwers
- Research Group Analysis Techniques in the Life Sciences, Avans University of Applied Sciences, Breda, Netherlands
| | - Myrthe van Baardwijk
- Omnigen B.V., Delft, Netherlands
- Department of Pathology and Clinical Bioinformatics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | | | | | - Frits H. M. van Osch
- Department of Clinical Epidemiology, VieCuri Medical Center, Venlo, Netherlands
- Department of Epidemiology, NUTRIM, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Freddy J. Troost
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, Netherlands
- Food Innovation and Health, Centre for Healthy Eating and Food Innovation, Maastricht University, Maastricht, Netherlands
| | - Aalt Bast
- University College Venlo, Faculty of Science and Engineering, Maastricht University, Maastricht, Netherlands
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Khrystyna O. Semen
- University College Venlo, Faculty of Science and Engineering, Maastricht University, Maastricht, Netherlands
| | - Alie de Boer
- Food Claims Centre Venlo, Faculty of Science and Engineering, Maastricht University, Maastricht, Netherlands
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26
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Blanchet X, Weber C, von Hundelshausen P. Chemokine Heteromers and Their Impact on Cellular Function-A Conceptual Framework. Int J Mol Sci 2023; 24:10925. [PMID: 37446102 DOI: 10.3390/ijms241310925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Chemoattractant cytokines or chemokines are proteins involved in numerous biological activities. Their essential role consists of the formation of gradient and (immune) cell recruitment. Chemokine biology and its related signaling system is more complex than simple ligand-receptor interactions. Beside interactions with their cognate and/or atypical chemokine receptors, and glycosaminoglycans (GAGs), chemokines form complexes with themselves as homo-oligomers, heteromers and also with other soluble effector proteins, including the atypical chemokine MIF, carbohydrate-binding proteins (galectins), damage-associated molecular patterns (DAMPs) or with chemokine-binding proteins such as evasins. Likewise, nucleic acids have been described as binding targets for the tetrameric form of CXCL4. The dynamic balance between monomeric and dimeric structures, as well as interactions with GAGs, modulate the concentrations of free chemokines available along with the nature of the gradient. Dimerization of chemokines changes the canonical monomeric fold into two main dimeric structures, namely CC- and CXC-type dimers. Recent studies highlighted that chemokine dimer formation is a frequent event that could occur under pathophysiological conditions. The structural changes dictated by chemokine dimerization confer additional biological activities, e.g., biased signaling. The present review will provide a short overview of the known functionality of chemokines together with the consequences of the interactions engaged by the chemokines with other proteins. Finally, we will present potential therapeutic tools targeting the chemokine multimeric structures that could modulate their biological functions.
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Affiliation(s)
- Xavier Blanchet
- Institute for Cardiovascular Prevention (IPEK), LMU Munich, 80336 Munich, Germany
| | - Christian Weber
- Institute for Cardiovascular Prevention (IPEK), LMU Munich, 80336 Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80636 Munich, Germany
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, 6229 HX Maastricht, The Netherlands
| | - Philipp von Hundelshausen
- Institute for Cardiovascular Prevention (IPEK), LMU Munich, 80336 Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80636 Munich, Germany
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27
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Baloglu E. Hypoxic Stress-Dependent Regulation of Na,K-ATPase in Ischemic Heart Disease. Int J Mol Sci 2023; 24:ijms24097855. [PMID: 37175562 PMCID: PMC10177966 DOI: 10.3390/ijms24097855] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
In cardiomyocytes, regular activity of the Na,K-ATPase (NKA) and its Na/K pump activity is essential for maintaining ion gradients, excitability, propagation of action potentials, electro-mechanical coupling, trans-membrane Na+ and Ca2+ gradients and, thus, contractility. The activity of NKA is impaired in ischemic heart disease and heart failure, which has been attributed to decreased expression of the NKA subunits. Decreased NKA activity leads to intracellular Na+ and Ca2+ overload, diastolic dysfunction and arrhythmias. One signal likely related to these events is hypoxia, where hypoxia-inducible factors (HIF) play a critical role in the adaptation of cells to low oxygen tension. HIF activity increases in ischemic heart, hypertension, heart failure and cardiac fibrosis; thus, it might contribute to the impaired function of NKA. This review will mainly focus on the regulation of NKA in ischemic heart disease in the context of stressed myocardium and the hypoxia-HIF axis and argue on possible consequences of treatment.
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Affiliation(s)
- Emel Baloglu
- Department of Medical Pharmacology, School of Medicine, Acibadem Mehmet Ali Aydinlar University, 34752 Istanbul, Turkey
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28
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Yu M, Xiao G, Han L, Peng L, Wang H, He S, Lyu M, Zhu Y. QiShen YiQi and its components attenuate acute thromboembolic stroke and carotid thrombosis by inhibition of CD62P/PSGL-1-mediated platelet-leukocyte aggregate formation. Biomed Pharmacother 2023; 160:114323. [PMID: 36738500 DOI: 10.1016/j.biopha.2023.114323] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND QiShen YiQi (QSYQ) dropping pill, a component-based Chinese medicine consisting of benefiting Qi (YQ) and activating blood (HX) components, has been reported to exert a beneficial effect on cerebral ischemia-induced stroke. However, its efficacy and pharmacological mechanism on acute thromboembolic stroke is not clear. PURPOSE This study is to explore the preventative effect and pharmacological mechanism of QSYQ and its YQ/HX components on the formation of platelet-leukocyte aggregation (PLA) in acute thromboembolic stroke. STUDY DESIGN AND METHODS In vivo thromboembolic stroke model and FeCl3-induced carotid arterial occlusion models were used. Immunohistochemistry, Western blot, RT-qPCR, and flow cytometry experiments were performed to reveal the pharmacological mechanisms of QSYQ and its YQ/HX components. RESULTS In thromboembolic stroke rats, QSYQ significantly attenuated infarct area, improved neurological recovery, reduced PLA formation, and inhibited P-selection (CD62P)/ P-selectin glycoprotein ligand-1 (PSGL-1) expressions. The YQ component preferentially down-regulated PSGL-1 expression in leukocyte, while the HX component preferentially down-regulated CD62P expression in platelet. In carotid arterial thrombosis mice, QSYQ and its YQ/HX components inhibited thrombus formation, prolonged vessel occlusion time, reduced circulating leukocytes and P-selectin expression. PLA formation and platelet/leukocyte adhesion to endothelial cell were also inhibited by QSYQ and its YQ/HX components in vitro. CONCLUSION QSYQ and YQ/HX components attenuated thromboembolic stroke and carotid thrombosis by decreasing PLA formation via inhibiting CD62P/PSGL-1 expressions. This study shed a new light on the prevention of thromboembolic stroke.
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Affiliation(s)
- Mingxing Yu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Guangxu Xiao
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Linhong Han
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Li Peng
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Huanyi Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Shuang He
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Ming Lyu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China.
| | - Yan Zhu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China.
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Zawiah M, Hayat Khan A, Abu Farha R, Usman A, Bitar AN. Neutrophil-lymphocyte ratio, monocyte-lymphocyte ratio, and platelet-lymphocyte ratio in stroke-associated pneumonia: a systematic review and meta-analysis. Curr Med Res Opin 2023; 39:475-482. [PMID: 36710633 DOI: 10.1080/03007995.2023.2174327] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Predicting stroke-associated pneumonia (SAP) is crucial for intensifying preventive measures and decreasing morbidity and mortality. This meta-analysis aims to evaluate the association between baseline neutrophil-lymphocyte ratio (NLR), monocyte-lymphocyte ratio (MLR), and platelet-lymphocyte ratio (PLR) with SAP and to determine the strength of the association. METHODS The Web of Science, SCOPUS, and PUBMED databases were searched to find eligible studies. The standardized mean difference (SMD) and 95% confidence interval (CI) were used to evaluate the differences in NLR, MLR, and PLR levels between SAP and non-SAP patients. The meta-analysis was conducted using the software "Review Manager" (RevMan, version 5.4.1, September 2020). The random-effect model was used for the pooling analysis if there was substantial heterogeneity. Otherwise, the fixed-effect model was adopted. RESULTS Twelve studies comprising 6302 stroke patients were included. The pooled analyses revealed that patients with SAP had significantly higher levels of NLR, MLR, and PLR than the non-SAP group. The SMD, 95% CI, p-value, and I2 for them were respectively reported as (0.88, 0.70-1.07, .00001, 77%); (0.94, 0.43-1.46, .0003, 93%); and (0.61, 0.47-0.75, .001, 0%). Subgroup analysis of NLR studies showed no significant differences in the effect size index between the severity of the stroke, the sample size, and the period between the stroke onset and the blood sampling. CONCLUSION This systematic review and meta-analysis suggest that an elevated NLR, MLR, and PLR were associated with SAP, indicating that they could be promising blood-based biomarkers for predicting SAP. Large-scale prospective studies from various ethnicities are recommended to validate this association before they can be applied in clinical practice.
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Affiliation(s)
- Mohammed Zawiah
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
- Department of Pharmacy Practice, College of Clinical Pharmacy, Hodeidah University, Al Hodeidah, Yemen
| | - Amer Hayat Khan
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Rana Abu Farha
- Department of Clinical Pharmacy and Therapeutics, Faculty of Pharmacy, Applied Science Private University, Amman, Jordan
| | - Abubakar Usman
- Department of Pharmacy Practice, College of Clinical Pharmacy, Hodeidah University, Al Hodeidah, Yemen
| | - Ahmad Naoras Bitar
- Department of Clinical pharmacy, Faculty of Pharmacy, Malaysian Allied Health Sciences Academy, Jenjarom, Selangor, Malaysia
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30
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Huang YF, Su SC, Chuang HY, Chen HH, Twu YC. Histone deacetylation-regulated cell surface Siglec-7 expression promoted megakaryocytic maturation and enhanced platelet-like particle release. J Thromb Haemost 2023; 21:329-343. [PMID: 36700509 DOI: 10.1016/j.jtha.2022.11.007] [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: 05/14/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND Functioning as important hematologic cells for hemostasis, wound healing and immune defense platelets are produced before being released into the blood by cytoplasmic fragmentation at the end of the megakaryocyte (MK) differentiation, during which the involvement of both apoptosis and autophagy has been reported. Inhibitory sialic acid-binding immunoglobulin-like lectin-7 gene (Siglec-7) can be expressed on platelets and induce apoptosis on activation for uncharacterized function. OBJECTIVE We aimed to investigate the regulatory mechanism for Siglec-7 activation along MK differentiation and its physiologic role during the MK maturation and platelet formation. METHODS By using 2 well-established MK differentiation models (HEL and K562) and human primary CD34+ cell, we examined the upregulations of transcript and protein levels of Siglec-7 during MK differentiation, and the effect of Siglec-7 surface presence on MK differentiation and platelet-like particles (PLPs) release. RESULTS We show that both transcripts and surface Siglec-7 were elevated during MK differentiation, and the histone deacetylase 1 (HDAC1) acted as a negative regulator for Siglec-7 activation. By increasing Siglec-7 surface expression, we found that increased presence of Siglec-7 not only enhanced MK maturation but also the release of PLPs by activating caspase 3-dependent signaling, as evidenced in the observation of more CD41, polyploidy, and platelet factor 4 transcript formations. CONCLUSION In this study, we demonstrated that Siglec-7 activation was subjected to epigenetic regulation, and the resulting induced expression of surface Siglec-7 played an important regulatory role in promoting MK differentiation, maturation, and PLP formation.
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Affiliation(s)
- Yun-Fei Huang
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shih-Chi Su
- Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Hui-Yu Chuang
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsiao-Han Chen
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yuh-Ching Twu
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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Piccoli M, Cirillo F, Ghiroldi A, Rota P, Coviello S, Tarantino A, La Rocca P, Lavota I, Creo P, Signorelli P, Pappone C, Anastasia L. Sphingolipids and Atherosclerosis: The Dual Role of Ceramide and Sphingosine-1-Phosphate. Antioxidants (Basel) 2023; 12:antiox12010143. [PMID: 36671005 PMCID: PMC9855164 DOI: 10.3390/antiox12010143] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/28/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Sphingolipids are bioactive molecules that play either pro- and anti-atherogenic roles in the formation and maturation of atherosclerotic plaques. Among SLs, ceramide and sphingosine-1-phosphate showed antithetic properties in regulating various molecular mechanisms and have emerged as novel potential targets for regulating the development of atherosclerosis. In particular, maintaining the balance of the so-called ceramide/S1P rheostat is important to prevent the occurrence of endothelial dysfunction, which is the trigger for the entire atherosclerotic process and is strongly associated with increased oxidative stress. In addition, these two sphingolipids, together with many other sphingolipid mediators, are directly involved in the progression of atherogenesis and the formation of atherosclerotic plaques by promoting the oxidation of low-density lipoproteins (LDL) and influencing the vascular smooth muscle cell phenotype. The modulation of ceramide and S1P levels may therefore allow the development of new antioxidant therapies that can prevent or at least impair the onset of atherogenesis, which would ultimately improve the quality of life of patients with coronary artery disease and significantly reduce their mortality.
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Affiliation(s)
- Marco Piccoli
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Federica Cirillo
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Andrea Ghiroldi
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Paola Rota
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy
| | - Simona Coviello
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Adriana Tarantino
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
| | - Paolo La Rocca
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
| | - Ivana Lavota
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Pasquale Creo
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Paola Signorelli
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Aldo Ravelli Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Via Antonio di Rudinì 8, 20142 Milan, Italy
| | - Carlo Pappone
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
- Arrhythmology Department, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
| | - Luigi Anastasia
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
- Correspondence: ; Tel.: +39-0226437765
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32
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Tyagi T, Jain K, Yarovinsky TO, Chiorazzi M, Du J, Castro C, Griffin J, Korde A, Martin KA, Takyar SS, Flavell RA, Patel AA, Hwa J. Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells. J Exp Med 2023; 220:213620. [PMID: 36305874 DOI: 10.1084/jem.20212218] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 04/25/2022] [Accepted: 10/05/2022] [Indexed: 01/19/2023] Open
Abstract
Current understanding of tumor immunosuppressive mechanisms forms the basis for modern day immunotherapies. Immunoregulatory role of platelets in cancer remains largely elusive. Platelets from non-small cell lung cancer (NSCLC) patients revealed a distinct activation phenotype. TREM-like transcript 1 (TLT-1), a platelet protein, was increased along with enhanced extracellular release from NSCLC platelets. The increased platelet TLT-1 was also evident in humanized mice with patient-derived tumors. In immunocompetent mice with syngeneic tumors, TLT-1 binding to T cells, in vivo, led to suppression of CD8 T cells, promoting tumor growth. We identified direct interaction between TLT-1 and CD3ε on T cells, implicating the NF-κB pathway in CD8 T cell suppression. Anti-TLT-1 antibody rescued patients' T cells from platelet-induced suppression ex vivo and reduced tumors in mice in vivo. Clinically, higher TLT-1 correlated with reduced survival of NSCLC patients. Our findings thus identify TLT-1 as a platelet-derived immunosuppressor that suppresses CD8 T cells and demonstrate its therapeutic and prognostic significance in cancer.
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Affiliation(s)
- Tarun Tyagi
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Kanika Jain
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Timur O Yarovinsky
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Michael Chiorazzi
- Department of Immunobiology, Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Jing Du
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Cecilia Castro
- Department of Biochemistry, Cambridge University, Cambridge, UK
| | - Jules Griffin
- Department of Biochemistry, Cambridge University, Cambridge, UK
| | - Asawari Korde
- Pulmonary Critical Care, Yale Internal Medicine, New Haven, CT
| | - Kathleen A Martin
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Shervin S Takyar
- Pulmonary Critical Care, Yale Internal Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Richard A Flavell
- Department of Immunobiology, Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Abhijit A Patel
- Yale Therapeutic Radiology, Yale Cancer Center, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - John Hwa
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
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33
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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: 6] [Impact Index Per Article: 6.0] [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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34
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Das D, Adhikary S, Das RK, Banerjee A, Radhakrishnan AK, Paul S, Pathak S, Duttaroy AK. Bioactive food components and their inhibitory actions in multiple platelet pathways. J Food Biochem 2022; 46:e14476. [PMID: 36219755 DOI: 10.1111/jfbc.14476] [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: 06/20/2022] [Revised: 08/29/2022] [Accepted: 09/27/2022] [Indexed: 01/14/2023]
Abstract
In addition to hemostasis and thrombosis, blood platelets are involved in various processes such as inflammation, infection, immunobiology, cancer metastasis, wound repair and angiogenesis. Platelets' hemostatic and non-hemostatic functions are mediated by the expression of various membrane receptors and the release of proteins, ions and other mediators. Therefore, specific activities of platelets responsible for the non-hemostatic disease are to be inhibited while leaving the platelet's hemostatic function unaffected. Platelets' anti-aggregatory property has been used as a primary criterion for antiplatelet drugs/bioactives; however, their non-hemostatic activities are not well known. This review describes the hemostatic and non-hemostatic function of human blood platelets and the modulatory effects of bioactive food components. PRACTICAL APPLICATIONS: In this review, we have discussed the antiplatelet effects of several food components. These bioactive compounds inhibit both hemostatic and non-hemostatic pathways involving blood platelet. Platelets have emerged as critical biological factors of normal and pathologic vascular healing and other diseases such as cancers and inflammatory and immune disorders. The challenge for therapeutic intervention in these disorders will be to find drugs and bioactive compounds that preferentially block specific sites implicated in emerging roles of platelets' complicated contribution to inflammation, tumour growth, or other disorders while leaving at least some of their hemostatic function intact.
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Affiliation(s)
- Diptimayee Das
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Shubhamay Adhikary
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Ranjit Kumar Das
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
| | - Antara Banerjee
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Arun Kumar Radhakrishnan
- Department of Pharmacology, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Sujay Paul
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, Queretaro, Mexico
| | - Surajit Pathak
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
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35
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Kwon HW, Kim SD, Rhee MH, Shin JH. Pharmacological Actions of 5-Hydroxyindolin-2 on Modulation of Platelet Functions and Thrombus Formation via Thromboxane A 2 Inhibition and cAMP Production. Int J Mol Sci 2022; 23:ijms232314545. [PMID: 36498873 PMCID: PMC9739977 DOI: 10.3390/ijms232314545] [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: 09/30/2022] [Revised: 11/10/2022] [Accepted: 11/17/2022] [Indexed: 11/24/2022] Open
Abstract
Platelets play a very significant role in hemostasis while simultaneously posing a risk for the development of various cardiovascular diseases. Platelet-mediated issues can occur in blood vessels and trigger various medical problems. Therefore, controlling platelet function is important in the prevention of thrombosis. In this regard, we need to find compounds that provide potent antiplatelet activity with minimum side effects. Therefore, we examined the effect of 5-hydroxyindolin-2-one isolated from Protaetia brevitarsis larvae having antiplatelet properties and investigated different pathways that mediate the antiplatelet activity. We examined the effect of 5-hydroxyindolin-2-one (5-HI) on the regulation of phosphoproteins, thromboxane A2 generation, and integrin αIIbβ3 action. Our data showed that human platelet aggregation was inhibited by 5-HI (75, 100, 150, 200 μM) without cytotoxicity, and it suppressed intracellular Ca2+ concentration through the regulation of inositol 1, 4, 5-triphosphate receptor I (Ser1756) and extracellular signal-regulated kinase (ERK). Moreover, collagen-elevated thromboxane A2 production and αIIbβ3 action were inhibited by 5-HI through the regulation of cytosolic phospholipase A2 (cPLA2), mitogen-activated protein kinase p38 (p38MAPK), vasodilator-stimulated phosphoprotein (VASP), phosphoinositide 3-kinase (PI3K), and Akt (protein kinase B). Therefore, we suggested that 5-HI could be a potential substance for the prevention of thrombosis-mediated thrombosis.
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Affiliation(s)
- Hyuk-Woo Kwon
- Department of Biomedical Laboratory Science, Far East University, Eumseong 27601, Republic of Korea
- Department of Microbiological Resource Research Institute, Far East University, Eumseong 27601, Republic of Korea
| | - Sung Dae Kim
- Department of Veterinary Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Man Hee Rhee
- Department of Veterinary Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- Cardiovascular Research Institute, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Correspondence: author: (M.H.R.); (J.-H.S.)
| | - Jung-Hae Shin
- Department of Veterinary Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- Cardiovascular Research Institute, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Correspondence: author: (M.H.R.); (J.-H.S.)
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36
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Effect of Mean Platelet Volume to Platelet Count Ratio on Mortality in Peritoneal Dialysis. Mediators Inflamm 2022; 2022:6922809. [PMID: 36405991 PMCID: PMC9671719 DOI: 10.1155/2022/6922809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/15/2022] [Indexed: 11/12/2022] Open
Abstract
Background and Aims Mean platelet volume to platelet count ratio (MPV/PC) has been found to be an independent risk factor for mortality in various diseases, including cardiovascular disease, cancer, and hemodialysis. We aimed to evaluate the association between MPV/PC and all-cause and cardiovascular (CV) mortality in peritoneal dialysis (PD) patients. Methods and Results We conducted a retrospective cohort study at a single center and enrolled 1473 PD patients who were catheterized at our PD center from January 1, 2006, to December 31, 2013. All patients were divided into four groups according to the quartiles of baseline MPV/PC levels and followed up until December 31, 2018. A total of 453 patients died, and 221 deaths were caused by cardiovascular disease during a median follow-up time of 48.0 (21.9-82.2) months. There was a significant interaction by age of association between MPV/PC level and all-cause mortality (P = 0.009), and multivariate Cox regression analysis showed that higher MPV/PC level was related to a decreased risk of all-cause and CV mortality in PD patients aged < 60 years (HR = 0.62, 95%CI = 0.40 − 0.96, P = 0.032; HR = 0.49, 95%CI = 0.26 − 0.93, P = 0.029, respectively), rather than in patients aged ≥ 60 years (HR = 1.37, 95%CI = 0.84 − 2.22, P = 0.208; HR = 1.50, 95%CI = 0.77 − 2.92, P = 0.237, respectively). Conclusion Our results indicated that low MPV/PC level was an independent risk factor for all-cause and CV mortality in PD patients aged less than 60 years.
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Reusswig F, Polzin A, Klier M, Dille MA, Ayhan A, Benkhoff M, Lersch C, Prinz A, Gorressen S, Fischer JW, Kelm M, Elvers M. Only Acute but Not Chronic Thrombocytopenia Protects Mice against Left Ventricular Dysfunction after Acute Myocardial Infarction. Cells 2022; 11:3500. [PMID: 36359896 PMCID: PMC9659072 DOI: 10.3390/cells11213500] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/25/2022] [Accepted: 11/02/2022] [Indexed: 05/04/2024] Open
Abstract
BACKGROUND Platelets are major players of thrombosis and inflammation after acute myocardial infarction (AMI). The impact of thrombocytopenia on platelet-induced cellular processes post AMI is not well defined. METHODS The left anterior descending artery was ligated in C57/Bl6 mice and in two thrombocytopenic mouse models to induce AMI. RESULTS Platelets from STEMI patients and from C57/Bl6 mice displayed enhanced platelet activation after AMI. This allows platelets to migrate into the infarct but not into the remote zone of the left ventricle. Acute thrombocytopenia by antibody-induced platelet depletion resulted in reduced infarct size and improved cardiac function 24 h and 21 days post AMI. This was due to reduced platelet-mediated inflammation after 24 h and reduced scar formation after 21 days post AMI. The collagen composition and interstitial collagen content in the left ventricle were altered due to platelet interaction with cardiac fibroblasts. Acute inflammation was also significantly reduced in Mpl-/- mice with chronic thrombocytopenia, but cardiac remodeling was unaltered. Consequently, left ventricular function, infarct size and scar formation in Mpl-/- mice were comparable to controls. CONCLUSION This study discovers a novel role for platelets in cardiac remodeling and reveals that acute but not chronic thrombocytopenia protects left ventricular function post AMI.
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Affiliation(s)
- Friedrich Reusswig
- Heinrich-Heine University Medical Center, Department of Vascular and Endovascular Surgery, Experimental Vascular Medicine, 40225 Düsseldorf, Germany
| | - Amin Polzin
- Heinrich-Heine University Medical Center, Department of Cardiology, Pulmonology and Angiology, 40225 Düsseldorf, Germany
| | - Meike Klier
- Heinrich-Heine University Medical Center, Department of Vascular and Endovascular Surgery, Experimental Vascular Medicine, 40225 Düsseldorf, Germany
| | - Matthias Achim Dille
- Heinrich-Heine University Medical Center, Department of Vascular and Endovascular Surgery, Experimental Vascular Medicine, 40225 Düsseldorf, Germany
| | - Aysel Ayhan
- Heinrich-Heine University Medical Center, Department of Cardiology, Pulmonology and Angiology, 40225 Düsseldorf, Germany
| | - Marcel Benkhoff
- Heinrich-Heine University Medical Center, Department of Cardiology, Pulmonology and Angiology, 40225 Düsseldorf, Germany
| | - Celina Lersch
- Heinrich-Heine University Medical Center, Department of Vascular and Endovascular Surgery, Experimental Vascular Medicine, 40225 Düsseldorf, Germany
| | - Anika Prinz
- Institute for Pharmacology and Clinical Pharmacology, Heinrich-Heine University, 40225 Düsseldorf, Germany
| | - Simone Gorressen
- Institute for Pharmacology and Clinical Pharmacology, Heinrich-Heine University, 40225 Düsseldorf, Germany
| | - Jens Walter Fischer
- Institute for Pharmacology and Clinical Pharmacology, Heinrich-Heine University, 40225 Düsseldorf, Germany
| | - Malte Kelm
- Heinrich-Heine University Medical Center, Department of Cardiology, Pulmonology and Angiology, 40225 Düsseldorf, Germany
| | - Margitta Elvers
- Heinrich-Heine University Medical Center, Department of Vascular and Endovascular Surgery, Experimental Vascular Medicine, 40225 Düsseldorf, Germany
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Bavi Behbahani H, Bazyar H, Aghamohammadi V, Ahangarpour A, Shivappa N, R Hebert J, Alipour M, Shokouhi Nasab M, Moradi F, Hay Bar H. The Dietary Inflammatory Index is positively associated with cardiometabolic risk parameters in atherosclerosis patients. Nutr Res 2022; 107:26-36. [PMID: 36162276 DOI: 10.1016/j.nutres.2022.08.003] [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: 01/14/2022] [Revised: 08/06/2022] [Accepted: 08/12/2022] [Indexed: 12/27/2022]
Abstract
Inflammation is implicated in the development and progression of a variety of cardiovascular diseases. We hypothesized that the Dietary Inflammatory Index (DII) is associated with anthropometric indices and metabolic parameters in Iranian atherosclerosis patients. The present cross-sectional study was conducted on 320 Iranian atherosclerosis patients. The DII was estimated using a valid and reliable 168-item food frequency questionnaire. Odds ratios and 95% confidence intervals were evaluated for anthropometric indices and metabolic parameters according to the DII score. Linear regression was used to estimate the relationship between DII scores with atherosclerosis-related dependent variables. According to the continuous score of DII, there was no significant association between DII and odds of obesity, total cholesterol/high-density lipoprotein cholesterol ratio, and aspartate aminotransferase/alanine aminotransferase ratio in all 3 models (P ≥ .05). In linear regression analysis, we found a significant association between DII score and fasting blood sugar, lipid profile (except for high-density lipoprotein cholesterol), liver enzymes (except for alkaline phosphatase), and serum sodium in adjusted models (P < .05). In this study, patients with atherosclerosis consuming a pro-inflammatory diet was positively associated with fasting blood sugar, lipid, and liver enzymes measures. Future studies with prospective and interventional designs are required to clarify the association between this dietary index and cardiovascular disease risk factors among patients with atherosclerosis.
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Affiliation(s)
- Hossein Bavi Behbahani
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hadi Bazyar
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Sirjan School of Medical Sciences, Sirjan, Iran.
| | | | - Akram Ahangarpour
- Health Research Institute, Diabetes Research Center, Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nitin Shivappa
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, 29208, USA; Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA; Department of Nutrition, Connecting Health Innovations LLC, Columbia, SC, 29201, USA
| | - James R Hebert
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, 29208, USA; Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA; Department of Nutrition, Connecting Health Innovations LLC, Columbia, SC, 29201, USA
| | | | - Mashhad Shokouhi Nasab
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fateme Moradi
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Habib Hay Bar
- Cardiovascular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Yang HY, Zhang C, Hu L, Liu C, Pan N, Li M, Han H, Zhou Y, Li J, Zhao LY, Liu YS, Luo BZ, Huang XQ, Lv XF, Li ZC, Li J, Li ZH, Wang RM, Wang L, Guan YY, Liu CZ, Zhang B, Wang GL. Platelet CFTR inhibition enhances arterial thrombosis via increasing intracellular Cl - concentration and activation of SGK1 signaling pathway. Acta Pharmacol Sin 2022; 43:2596-2608. [PMID: 35241769 PMCID: PMC9525590 DOI: 10.1038/s41401-022-00868-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 01/17/2022] [Indexed: 11/09/2022] Open
Abstract
Platelet hyperactivity is essential for thrombus formation in coronary artery diseases (CAD). Dysfunction of the cystic fibrosis transmembrane conductance regulator (CFTR) in patients with cystic fibrosis elevates intracellular Cl- levels ([Cl-]i) and enhanced platelet hyperactivity. In this study, we explored whether alteration of [Cl-]i has a pathological role in regulating platelet hyperactivity and arterial thrombosis formation. CFTR expression was significantly decreased, while [Cl-]i was increased in platelets from CAD patients. In a FeCl3-induced mouse mesenteric arteriole thrombosis model, platelet-specific Cftr-knockout and/or pre-administration of ion channel inhibitor CFTRinh-172 increased platelet [Cl-]i, which accelerated thrombus formation, enhanced platelet aggregation and ATP release, and increased P2Y12 and PAR4 expression in platelets. Conversely, Cftr-overexpressing platelets resulted in subnormal [Cl-]i, thereby decreasing thrombosis formation. Our results showed that clamping [Cl-]i at high levels or Cftr deficiency-induced [Cl-]i increasement dramatically augmented phosphorylation (Ser422) of serum and glucocorticoid-regulated kinase (SGK1), subsequently upregulated P2Y12 and PAR4 expression via NF-κB signaling. Constitutively active mutant S422D SGK1 markedly increased P2Y12 and PAR4 expression. The specific SGK1 inhibitor GSK-650394 decreased platelet aggregation in wildtype and platelet-specific Cftr knockout mice, and platelet SGK1 phosphorylation was observed in line with increased [Cl-]i and decreased CFTR expression in CAD patients. Co-transfection of S422D SGK1 and adenovirus-induced CFTR overexpression in MEG-01 cells restored platelet activation signaling cascade. Our results suggest that [Cl-]i is a novel positive regulator of platelet activation and arterial thrombus formation via the activation of a [Cl-]i-sensitive SGK1 signaling pathway. Therefore, [Cl-]i in platelets is a novel potential biomarker for platelet hyperactivity, and CFTR may be a potential therapeutic target for platelet activation in CAD.
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Affiliation(s)
- Han-Yan Yang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chao Zhang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Liang Hu
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Chang Liu
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ni Pan
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
- Institute of Pediatrics, Guangzhou Women and Children's Medical Center affiliated to Guangzhou Medical College, Guangzhou, 510623, China
| | - Mei Li
- VIP Healthcare Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Hui Han
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yi Zhou
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Jie Li
- Department of Anesthesiology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Li-Yan Zhao
- Department of Pharmacy, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, China
| | - Yao-Sheng Liu
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Bing-Zheng Luo
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Xiong-Qing Huang
- Department of Anesthesiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiao-Fei Lv
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Zi-Cheng Li
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jun Li
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Zhi-Hong Li
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ruo-Mei Wang
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
| | - Li Wang
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Yong-Yuan Guan
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Can-Zhao Liu
- Department of Cardiovascular Medicine, Translational Medicine Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, China.
| | - Bin Zhang
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.
| | - Guan-Lei Wang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
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40
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Enhanced platelet NLRP3 inflammasome expression in patients with acute coronary syndrome and stable coronary artery disease: A prospective observational study. CARDIOLOGY PLUS 2022. [DOI: 10.1097/cp9.0000000000000018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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41
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Brandhofer M, Hoffmann A, Blanchet X, Siminkovitch E, Rohlfing AK, El Bounkari O, Nestele JA, Bild A, Kontos C, Hille K, Rohde V, Fröhlich A, Golemi J, Gokce O, Krammer C, Scheiermann P, Tsilimparis N, Sachs N, Kempf WE, Maegdefessel L, Otabil MK, Megens RTA, Ippel H, Koenen RR, Luo J, Engelmann B, Mayo KH, Gawaz M, Kapurniotu A, Weber C, von Hundelshausen P, Bernhagen J. Heterocomplexes between the atypical chemokine MIF and the CXC-motif chemokine CXCL4L1 regulate inflammation and thrombus formation. Cell Mol Life Sci 2022; 79:512. [PMID: 36094626 PMCID: PMC9468113 DOI: 10.1007/s00018-022-04539-0] [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: 01/28/2022] [Revised: 07/31/2022] [Accepted: 08/22/2022] [Indexed: 12/03/2022]
Abstract
To fulfil its orchestration of immune cell trafficking, a network of chemokines and receptors developed that capitalizes on specificity, redundancy, and functional selectivity. The discovery of heteromeric interactions in the chemokine interactome has expanded the complexity within this network. Moreover, some inflammatory mediators, not structurally linked to classical chemokines, bind to chemokine receptors and behave as atypical chemokines (ACKs). We identified macrophage migration inhibitory factor (MIF) as an ACK that binds to chemokine receptors CXCR2 and CXCR4 to promote atherogenic leukocyte recruitment. Here, we hypothesized that chemokine–chemokine interactions extend to ACKs and that MIF forms heterocomplexes with classical chemokines. We tested this hypothesis by using an unbiased chemokine protein array. Platelet chemokine CXCL4L1 (but not its variant CXCL4 or the CXCR2/CXCR4 ligands CXCL8 or CXCL12) was identified as a candidate interactor. MIF/CXCL4L1 complexation was verified by co-immunoprecipitation, surface plasmon-resonance analysis, and microscale thermophoresis, also establishing high-affinity binding. We next determined whether heterocomplex formation modulates inflammatory/atherogenic activities of MIF. Complex formation was observed to inhibit MIF-elicited T-cell chemotaxis as assessed by transwell migration assay and in a 3D-matrix-based live cell-imaging set-up. Heterocomplexation also blocked MIF-triggered migration of microglia in cortical cultures in situ, as well as MIF-mediated monocyte adhesion on aortic endothelial cell monolayers under flow stress conditions. Of note, CXCL4L1 blocked binding of Alexa-MIF to a soluble surrogate of CXCR4 and co-incubation with CXCL4L1 attenuated MIF responses in HEK293-CXCR4 transfectants, indicating that complex formation interferes with MIF/CXCR4 pathways. Because MIF and CXCL4L1 are platelet-derived products, we finally tested their role in platelet activation. Multi-photon microscopy, FLIM-FRET, and proximity-ligation assay visualized heterocomplexes in platelet aggregates and in clinical human thrombus sections obtained from peripheral artery disease (PAD) in patients undergoing thrombectomy. Moreover, heterocomplexes inhibited MIF-stimulated thrombus formation under flow and skewed the lamellipodia phenotype of adhering platelets. Our study establishes a novel molecular interaction that adds to the complexity of the chemokine interactome and chemokine/receptor-network. MIF/CXCL4L1, or more generally, ACK/CXC-motif chemokine heterocomplexes may be target structures that can be exploited to modulate inflammation and thrombosis.
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Affiliation(s)
- Markus Brandhofer
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Adrian Hoffmann
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany.,Department of Anesthesiology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Xavier Blanchet
- Institute for Cardiovascular Prevention (IPEK), LMU University Hospital (LMU Klinikum), Ludwig-Maximilians-Universität (LMU) München, Pettenkofer Straße 8a/9, 80336, Munich, Germany
| | - Elena Siminkovitch
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Anne-Katrin Rohlfing
- Department of Cardiology and Angiology, University Hospital Tübingen, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Omar El Bounkari
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Jeremy A Nestele
- Department of Cardiology and Angiology, University Hospital Tübingen, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Alexander Bild
- Department of Cardiology and Angiology, University Hospital Tübingen, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Christos Kontos
- Division of Peptide Biochemistry, TUM School of Life Sciences, Technische Universität München (TUM), 85354, Freising, Germany
| | - Kathleen Hille
- Division of Peptide Biochemistry, TUM School of Life Sciences, Technische Universität München (TUM), 85354, Freising, Germany
| | - Vanessa Rohde
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Adrian Fröhlich
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Jona Golemi
- Systems Neuroscience Group, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Ozgun Gokce
- Systems Neuroscience Group, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany
| | - Christine Krammer
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Patrick Scheiermann
- Department of Anesthesiology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Nikolaos Tsilimparis
- Department of Vascular Surgery, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Nadja Sachs
- Department for Vascular and Endovascular Surgery, Klinikum Rechts Der Isar, Technische Universität München (TUM), 81675, Munich, Germany.,Munich Heart Alliance, 80802, Munich, Germany
| | - Wolfgang E Kempf
- Department for Vascular and Endovascular Surgery, Klinikum Rechts Der Isar, Technische Universität München (TUM), 81675, Munich, Germany
| | - Lars Maegdefessel
- Department for Vascular and Endovascular Surgery, Klinikum Rechts Der Isar, Technische Universität München (TUM), 81675, Munich, Germany.,Munich Heart Alliance, 80802, Munich, Germany
| | - Michael K Otabil
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany
| | - Remco T A Megens
- Institute for Cardiovascular Prevention (IPEK), LMU University Hospital (LMU Klinikum), Ludwig-Maximilians-Universität (LMU) München, Pettenkofer Straße 8a/9, 80336, Munich, Germany.,Munich Heart Alliance, 80802, Munich, Germany.,Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER, Maastricht, The Netherlands
| | - Hans Ippel
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER, Maastricht, The Netherlands
| | - Rory R Koenen
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER, Maastricht, The Netherlands
| | - Junfu Luo
- Vascular Biology and Pathology, Institute of Laboratory Medicine, Ludwig-Maximilians-Universität, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Bernd Engelmann
- Vascular Biology and Pathology, Institute of Laboratory Medicine, Ludwig-Maximilians-Universität, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, 81377, Munich, Germany
| | - Kevin H Mayo
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER, Maastricht, The Netherlands.,Department of Biochemistry, Molecular Biology and Biophysics, Health Sciences Center, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Meinrad Gawaz
- Department of Cardiology and Angiology, University Hospital Tübingen, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Aphrodite Kapurniotu
- Division of Peptide Biochemistry, TUM School of Life Sciences, Technische Universität München (TUM), 85354, Freising, Germany
| | - Christian Weber
- Institute for Cardiovascular Prevention (IPEK), LMU University Hospital (LMU Klinikum), Ludwig-Maximilians-Universität (LMU) München, Pettenkofer Straße 8a/9, 80336, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany.,Munich Heart Alliance, 80802, Munich, Germany.,Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER, Maastricht, The Netherlands
| | - Philipp von Hundelshausen
- Institute for Cardiovascular Prevention (IPEK), LMU University Hospital (LMU Klinikum), Ludwig-Maximilians-Universität (LMU) München, Pettenkofer Straße 8a/9, 80336, Munich, Germany. .,Munich Heart Alliance, 80802, Munich, Germany.
| | - Jürgen Bernhagen
- Division of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Feodor-Lynen-Straße 17, 81377, Munich, Germany. .,Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany. .,Munich Heart Alliance, 80802, Munich, Germany.
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Abstract
The activating interplay of thrombosis and inflammation (thromboinflammation) has been established as a major underlying pathway, driving not only cardiovascular disease but also autoimmune disease and most recently, COVID-19. Throughout the years, innate immune cells have emerged as important modulators of this process. As the most abundant white blood cell in humans, neutrophils are well-positioned to propel thromboinflammation. This includes their ability to trigger an organized cell death pathway with the release of decondensed chromatin structures called neutrophil extracellular traps. Decorated with histones and cytoplasmic and granular proteins, neutrophil extracellular traps exert cytotoxic, immunogenic, and prothrombotic effects accelerating disease progression. Distinct steps leading to extracellular DNA release (NETosis) require the activities of PAD4 (protein arginine deiminase 4) catalyzing citrullination of histones and are supported by neutrophil inflammasome. By linking the immunologic function of neutrophils with the procoagulant and proinflammatory activities of monocytes and platelets, PAD4 activity holds important implications for understanding the processes that fuel thromboinflammation. We will also discuss mechanisms whereby vascular occlusion in thromboinflammation depends on the interaction of neutrophil extracellular traps with ultra-large VWF (von Willebrand Factor) and speculate on the importance of PAD4 in neutrophil inflammasome assembly and neutrophil extracellular traps in thromboinflammatory diseases including atherosclerosis and COVID-19.
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Affiliation(s)
- Denisa D Wagner
- Program in Cellular and Molecular Medicine, Division of Hematology and Oncology, Boston Children's Hospital/Harvard Medical School, MA (D.D.W., L.A.H.)
| | - Lukas A Heger
- Program in Cellular and Molecular Medicine, Division of Hematology and Oncology, Boston Children's Hospital/Harvard Medical School, MA (D.D.W., L.A.H.)
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43
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Ullah N, Wu Y. Regulation of Conformational Changes in C-reactive Protein Alters its Bioactivity. Cell Biochem Biophys 2022; 80:595-608. [PMID: 35997934 DOI: 10.1007/s12013-022-01089-x] [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: 08/30/2021] [Accepted: 08/09/2022] [Indexed: 01/08/2023]
Abstract
The acute phase C-reactive protein (CRP) is mainly synthesized and secreted by the liver in a cytokine-mediated response to infection or inflammation and circulates as a pentamer (pCRP) in plasma. Recent studies indicate that CRP is not only a marker but is directly involved in inflammation. CRP has a vital role in host defense and inflammation, metabolic function and scavenging through its ability for calcium depended binding to exogenous and endogenous molecules having phosphocholine followed by activation of the classical complement pathway. Accumulating evidence indicates that pCRP dissociates into monomeric CRP (mCRP) and most proinflammatory actions of CRP are only expressed following dissociation of its native pentameric assembly into mCRP. The dissociation of CRP into mCRP altogether promotes the ligand-binding capability. mCRP emerges to be the main conformation of CRP that participates in the regulation of local inflammation, however, little is identified concerning what triggers the significantly enhanced actions of mCRP and their binding to diverse ligands. The separation of mCRP from pCRP may be a direct relationship between CRP and inflammation. Here we review the current literature on CRP dissociation and its interaction with different ligands. The possibility to avoid the generation of the proinflammatory potential of mCRP has driven therapeutic approaches by targeting the dissociation mechanism of pCRP or inhibition of mCRP itself during inflammation.
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Affiliation(s)
- Naeem Ullah
- MOE Key Laboratory of Environment and Genes Related to Diseases, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yi Wu
- MOE Key Laboratory of Environment and Genes Related to Diseases, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
- Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, the Affiliated Children's Hospital, Xi'an Jiaotong University, Xi'an, China.
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Tsuji M, Kawai Y, Miyoshi T, Saito E, Kawamura K, Ono T, Tokioka K, Ohe T, Nakamura K, Ito H. High platelet reactivity is a predictor of left ventricular remodelling in patients with acute myocardial infarction. ESC Heart Fail 2022; 9:3565-3574. [PMID: 35908777 DOI: 10.1002/ehf2.14100] [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: 03/30/2022] [Revised: 07/04/2022] [Accepted: 07/20/2022] [Indexed: 11/05/2022] Open
Abstract
AIMS Acute myocardial infarction (AMI) is associated with left ventricular remodelling (LVR), which leads to progressive heart failure. Platelets play a pivotal role in promoting systemic and cardiac inflammatory responses during the complex process of myocardial wound healing or repair following AMI. This study aimed to investigate the impact of platelet reactivity immediately after primary percutaneous coronary intervention (PCI) on LVR in AMI patients with ST-segment (STEMI) and non-ST-segment elevation (NSTEMI). METHODS AND RESULTS This prospective, single-centre, observational study included 182 patients with AMI who underwent primary PCI (107 patient with STEMI and 75 patients with NSTEMI). Patients were administered a loading dose of aspirin plus prasugrel before the procedure, and platelet reactivity was assessed using the VerifyNow P2Y12 assay immediately after PCI. Echocardiography was performed before discharge and during the chronic phase (8 ± 3 months after discharge). LVR was defined as a relative ≥20% increase in left ventricular end-diastolic volume index (LVEDVI). LVR in chronic phase was found in 34 patients (18.7%) whose platelet reactivity was significantly higher than those without LVR (259.6 ± 61.5 and 213.1 ± 74.8 P2Y12 reaction units [PRU]; P = 0.001). The occurrence of LVR did not differ between patients with STEMI and patients with NSTEMI (21.5% and 14.7%; P = 0.33). The optimal cut-off value of platelet reactivity for discriminating LVR was ≥245 PRU. LVEDVI significantly decreased at chronic phase in patients without high platelet reactivity (<245 PRU) (from 49.2 ± 13.5 to 45.4 ± 15.8 mL/m2 ; P = 0.02), but not in patients with high platelet reactivity (≥d245 PRU) (P = 0.06). Multivariate logistic analysis showed that high platelet reactivity was an independent predictor of LVR after adjusting for LVEDVI before discharge (odds ratio, 4.13; 95% confidence interval, 1.85-9.79). CONCLUSIONS High platelet reactivity measured immediately after PCI was a predictor of LVR in patients with AMI during the chronic phase. The role of antiplatelet therapy on inflammation in the myocardium is a promising area for further research.
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Affiliation(s)
- Masahiro Tsuji
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan.,Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yusuke Kawai
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Toru Miyoshi
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Eisuke Saito
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Kohei Kawamura
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Tamaki Ono
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Koji Tokioka
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Tohru Ohe
- Department of Cardiovascular Medicine, Okayama City Hospital, Okayama, Japan
| | - Kazufumi Nakamura
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Ito
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Guo X, Lu H, Liu C, Zhang Y, Bi L. Effects of Super-Activated Platelet Lysate on Early Healing of Tooth Extraction Sockets in Rats. Drug Des Devel Ther 2022; 16:2213-2227. [PMID: 35860524 PMCID: PMC9289175 DOI: 10.2147/dddt.s363766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/30/2022] [Indexed: 12/28/2022] Open
Abstract
Purpose To evaluate the effect of super-activated platelet lysate (sPL) on wound healing of tooth extraction sockets in rats. Methods Rat models of the tooth extraction socket were established. Thirty-six rats were divided into control and sPL groups and sacrificed on days 7, 14, and 28 after tooth extraction. Bone formation in tooth extraction sockets were observed by microscopic computed tomography (micro-CT) and hematoxylin and eosin (HE) staining; osteoprotegerin (OPG), receptor activator of nuclear factor kappa-Β ligand (RANKL), interleukin 6(IL-6), and tumor necrosis factor-alpha (TNF-α) proteins were detected by immunohistochemistry; and chemokine and osteogenic gene expressions were detected by polymerase chain reaction (PCR). Results sPL accelerated soft tissue wound healing in the extraction socket of rats. Micro-CT showed that the amount of bone formation and bone volume fraction were higher in the sPL group than the control 14 days after extraction. HE staining showed promotion of the formation of bony trabeculae by sPL in the apical third of the extraction socket 7 days after extraction and more mature and organized bony trabeculae in the sPL group than the control 14 days after extraction; mature bony trabeculae filling most of the fossa with lesser bone porosity in the socket in the sPL group than the control 28 days after extraction. Immunohistochemistry showed that sPL induced OPG expressions 7 and 14 days after tooth extraction but did not affect the RANKL expression while transiently promoting the IL-6 expression 7 days after extraction. PCR showed that sPL promoted chemokine expressions 7 and 14 days after extraction. The expressions of osteogenesis-related factors were higher in the sPL group than the control 7 and 28 days after extraction, while the opposite trend was observed 14 days after extraction. Conclusion sPL has a transient pro-inflammatory effect and promotes soft tissue healing and bone formation during early wound healing of extraction sockets in rats.
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Affiliation(s)
- Xiaorui Guo
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, People's Republic of China.,State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, People's Republic of China
| | - Huiying Lu
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Chunxiang Liu
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Yi Zhang
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Liangjia Bi
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, People's Republic of China
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46
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Platelet activation and partial desensitization are associated with viral xenophagy in patients with severe COVID-19. Blood Adv 2022; 6:3884-3898. [PMID: 35789374 PMCID: PMC9068266 DOI: 10.1182/bloodadvances.2022007143] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/19/2022] [Indexed: 12/17/2022] Open
Abstract
During severe COVID-19, platelets get activated and become partly desensitized through mechanisms involving glycoprotein shedding. Platelets from patients with severe COVID-19 internalize SARS-CoV-2 and develop viral xenophagy.
Mild thrombocytopenia, changes in platelet gene expression, enhanced platelet functionality, and presence of platelet-rich thrombi in the lung have been associated with thromboinflammatory complications of patients with COVID-19. However, whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) gets internalized by platelets and directly alters their behavior and function in infected patients remains elusive. Here, we investigated platelet parameters and the presence of viral material in platelets from a prospective cohort of 29 patients with severe COVID-19 admitted to an intensive care unit. A combination of specific assays, tandem mass spectrometry, and flow cytometry indicated high levels of protein and lipid platelet activation markers in the plasma from patients with severe COVID-19 associated with an increase of proinflammatory cytokines and leukocyte-platelets interactions. Platelets were partly desensitized, as shown by a significant reduction of αIIbβ3 activation and granule secretion in response to stimulation and a decrease of surface GPVI, whereas plasma from patients with severe COVID-19 potentiated washed healthy platelet aggregation response. Transmission electron microscopy indicated the presence of SARS-CoV-2 particles in a significant fraction of platelets as confirmed by immunogold labeling and immunofluorescence imaging of Spike and nucleocapsid proteins. Compared with platelets from healthy donors or patients with bacterial sepsis, platelets from patients with severe COVID-19 exhibited enlarged intracellular vesicles and autophagolysosomes. They had large LC3-positive structures and increased levels of LC3II with a co-localization of LC3 and Spike, suggesting that platelets can digest SARS-CoV-2 material by xenophagy in critically ill patients. Altogether, these data show that during severe COVID-19, platelets get activated, become partly desensitized, and develop a selective autophagy response.
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Desai C, Koupenova M, Machlus KR, Sen Gupta A. Beyond the thrombus: Platelet-inspired nanomedicine approaches in inflammation, immune response, and cancer. J Thromb Haemost 2022; 20:1523-1534. [PMID: 35441793 PMCID: PMC9321119 DOI: 10.1111/jth.15733] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/03/2022]
Abstract
The traditional role of platelets is in the formation of blood clots for physiologic (e.g., in hemostasis) or pathologic (e.g., in thrombosis) functions. The cellular and subcellular mechanisms and signaling in platelets involved in these functions have been extensively elucidated and new knowledge continues to emerge, resulting in various therapeutic developments in this area for the management of hemorrhagic or thrombotic events. Nanomedicine, a field involving design of nanoparticles with unique biointeractive surface modifications and payload encapsulation for disease-targeted drug delivery, has become an important component of such therapeutic development. Beyond their traditional role in blood clotting, platelets have been implicated to play crucial mechanistic roles in other diseases including inflammation, immune response, and cancer, via direct cellular interactions, as well as secretion of soluble factors that aid in the disease microenvironment. To date, the development of nanomedicine systems that leverage these broader roles of platelets has been limited. Additionally, another exciting area of research that has emerged in recent years is that of platelet-derived extracellular vesicles (PEVs) that can directly and indirectly influence physiological and pathological processes. This makes PEVs a unique paradigm for platelet-inspired therapeutic design. This review aims to provide mechanistic insight into the involvement of platelets and PEVs beyond hemostasis and thrombosis, and to discuss the current state of the art in the development of platelet-inspired therapeutic technologies in these areas, with an emphasis on future opportunities.
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Affiliation(s)
- Cian Desai
- Department of PharmacologyCase Western Reserve UniversityClevelandOhioUSA
| | - Milka Koupenova
- Division of Cardiovascular MedicineDepartment of MedicineUniversity of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
| | - Kellie R. Machlus
- Department of SurgeryVascular Biology ProgramBoston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Anirban Sen Gupta
- Department of PharmacologyCase Western Reserve UniversityClevelandOhioUSA
- Department of Biomedical EngineeringCase Western Reserve UniversityClevelandOhioUSA
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Exploring Sea Lice Vaccines against Early Stages of Infestation in Atlantic Salmon (Salmo salar). Vaccines (Basel) 2022; 10:vaccines10071063. [PMID: 35891227 PMCID: PMC9324576 DOI: 10.3390/vaccines10071063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 11/17/2022] Open
Abstract
The sea louse Caligus rogercresseyi genome has opened the opportunity to apply the reverse vaccinology strategy for identifying antigens with potential effects on lice development and its application in sea lice control. This study aimed to explore the efficacy of three sea lice vaccines against the early stage of infestation, assessing the transcriptome modulation of immunized Atlantic salmon. Therein, three experimental groups of Salmo salar (Atlantic salmon) were vaccinated with the recombinant proteins: Peritrophin (prototype A), Cathepsin (prototype B), and the mix of them (prototype C), respectively. Sea lice infestation was evaluated during chalimus I-II, the early-infective stages attached at 7-days post infestation. In parallel, head kidney and skin tissue samples were taken for mRNA Illumina sequencing. Relative expression analyses of genes were conducted to identify immune responses, iron transport, and stress responses associated with the tested vaccines during the early stages of sea lice infection. The vaccine prototypes A, B, and C reduced the parasite burden by 24, 44, and 52% compared with the control group. In addition, the RNA-Seq analysis exhibited a prototype-dependent transcriptome modulation. The high expression differences were observed in genes associated with metal ion binding, molecular processes, and energy production. The findings suggest a balance between the host’s inflammatory response and metabolic process in vaccinated fish, increasing their transcriptional activity, which can alter the early host–parasite interactions. This study uncovers molecular responses produced by three vaccine prototypes at the early stages of infestation, providing new knowledge for sea lice control in the salmon aquaculture.
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Leng Q, Ding J, Dai M, Liu L, Fang Q, Wang DW, Wu L, Wang Y. Insights Into Platelet-Derived MicroRNAs in Cardiovascular and Oncologic Diseases: Potential Predictor and Therapeutic Target. Front Cardiovasc Med 2022; 9:879351. [PMID: 35757325 PMCID: PMC9218259 DOI: 10.3389/fcvm.2022.879351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/24/2022] [Indexed: 11/28/2022] Open
Abstract
Non-communicable diseases (NCDs), represented by cardiovascular diseases and cancer, have been the leading cause of death globally. Improvements in mortality from cardiovascular (CV) diseases (decrease of 14%/100,000, United States) or cancers (increase 7.5%/100,000, United States) seem unsatisfactory during the past two decades, and so the search for innovative and accurate biomarkers of early diagnosis and prevention, and novel treatment strategies is a valuable clinical and economic endeavor. Both tumors and cardiovascular system are rich in angiological systems that maintain material exchange, signal transduction and distant regulation. This pattern determines that they are strongly influenced by circulating substances, such as glycolipid metabolism, inflammatory homeostasis and cyclic non-coding RNA and so forth. Platelets, a group of small anucleated cells, inherit many mature proteins, mRNAs, and non-coding RNAs from their parent megakaryocytes during gradual formation and manifest important roles in inflammation, angiogenesis, atherosclerosis, stroke, myocardial infarction, diabetes, cancer, and many other diseases apart from its classical function in hemostasis. MicroRNAs (miRNAs) are a class of non-coding RNAs containing ∼22 nucleotides that participate in many key cellular processes by pairing with mRNAs at partially complementary binding sites for post-transcriptional regulation of gene expression. Platelets contain fully functional miRNA processors in their microvesicles and are able to transport their miRNAs to neighboring cells and regulate their gene expression. Therefore, the importance of platelet-derived miRNAs for the human health is of increasing interest. Here, we will elaborate systematically the roles of platelet-derived miRNAs in cardiovascular disease and cancer in the hope of providing clinicians with new ideas for early diagnosis and therapeutic strategies.
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ASADUZZAMAN MD, BHUIA MOHAMMADROMEL, ALAM ZHMNAZMUL, BARI MOHAMMADZABEDJILLUL, FERDOUSI TASNIM. Role of hemogram-derived ratios in predicting intensive care unit admission in COVID-19 patients: a multicenter study. IJID REGIONS 2022; 3:234-241. [PMID: 35720134 PMCID: PMC9050181 DOI: 10.1016/j.ijregi.2022.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 03/16/2022] [Accepted: 04/25/2022] [Indexed: 02/07/2023]
Abstract
Purpose As hyperinflammation is recognized as a driver of severe COVID-19 disease, checking markers of inflammation is gaining more attention. Our study aimed to evaluate the utility of cost-effective hemogram-derived ratios in predicting intensive care unit (ICU) admission in COVID-19 patients. Methods This multicenter retrospective study included hospitalized COVID-19 patients from four dedicated COVID-19 hospitals in Sylhet, Bangladesh. Data on demographics, clinical characteristics, laboratory parameters and survival outcomes were analyzed. Logistic regression analysis was used to identify the significance of each hemogram-derived ratio in predicting ICU admission. Results Of 442 included patients, 98 (22.17%) required ICU admission. At the time of admission, patients requiring ICU had a higher neutrophil count and lower lymphocyte and platelet counts than patients not requiring ICU. Peripheral capillary oxygen saturation at admission was significantly lower in those who subsequently required ICU admission. Neutrophil-to-lymphocyte ratio, derived neutrophil-to-lymphocyte ratio, neutrophil-to-platelet ratio, and systemic immune-inflammation index were significant predictors of ICU admission. Conclusion Hemogram-derived ratios can be an effective tool in facilitating the early categorization of at-risk patients, enabling timely measures to be taken early in the disease course.
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Affiliation(s)
- MD ASADUZZAMAN
- Department of Medicine, Sylhet MAG Osmani Medical College Hospital, Sylhet-3100, Bangladesh
| | - MOHAMMAD ROMEL BHUIA
- Department of Statistics, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh
| | - ZHM NAZMUL ALAM
- Department of Medicine, Sylhet MAG Osmani Medical College Hospital, Sylhet-3100, Bangladesh
| | | | - TASNIM FERDOUSI
- Department of Ophthalmology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
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