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Silbak S, Schmaier AH. The enigma of factor XII surface binding. J Thromb Haemost 2024; 22:2422-2425. [PMID: 39174229 DOI: 10.1016/j.jtha.2024.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2024] [Accepted: 07/02/2024] [Indexed: 08/24/2024]
Affiliation(s)
- Sadiq Silbak
- Departments of Medicine and Pathology, Division of Hematology and Cell Therapy, Case Western Reserve University, Cleveland, Ohio, USA
| | - Alvin H Schmaier
- Departments of Medicine and Pathology, Division of Hematology and Cell Therapy, Case Western Reserve University, Cleveland, Ohio, USA; Division of Hematology and Cell Therapy, Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.
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Frunt R, El Otmani H, Smits S, Clark CC, Maas C. Factor XII contact activation can be prevented by targeting 2 unique patches in its epidermal growth factor-like 1 domain with a nanobody. J Thromb Haemost 2024; 22:2562-2575. [PMID: 38897387 DOI: 10.1016/j.jtha.2024.06.005] [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: 01/22/2024] [Revised: 05/28/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Factor (F)XII triggers contact activation by binding to foreign surfaces, with the epidermal growth factor-like 1 (EGF-1) domain being the primary binding site. Blocking FXII surface-binding might hold therapeutic value to prevent medical device-induced thrombosis. OBJECTIVES To unravel and prevent EGF-1-mediated FXII surface-binding with a variable domain of heavy chain-only antibody (VHH). METHODS FXII variants with glutamine substitutions of 2 positively charged amino acid patches within the EGF-1 domain were created. Their role in FXII contact activation was assessed using kaolin pull-down experiments, amidolytic activity assays, and clotting assays. FXII EGF-1 domain-specific VHHs were raised to inhibit EGF-1-mediated FXII contact activation while preserving quiescence. RESULTS Two unique, positively charged patches in the EGF-1 domain were identified (upstream, 73K74K76K78H81K82H; downstream, 87K113K). Neutralizing the charge of both patches led to a 99% reduction in FXII kaolin binding, subsequent decrease in autoactivation of 94%, and prolongation of clot formation in activated partial thromboplastin time assays from 36 (±2) to 223 (±13) seconds. Three FXII EGF-1-specific VHHs were developed that are capable of inhibiting kaolin binding and subsequent contact system activation in plasma. The most effective VHH "F2" binds the positively charged patches and thereby dose-dependently extends activated partial thromboplastin time clotting times from 29 (±2) to 43 (±3) seconds without disrupting FXII quiescence. CONCLUSION The 2 unique, positively charged patches in FXII EGF-1 cooperatively mediate FXII surface-binding, making both patches crucial for contact activation. Targeting these with FXII EGF-1-specific VHHs can exclusively decrease FXII surface-binding and subsequent contact activation, while preserving zymogen quiescence. These patches thus have potential as druggable targets in preventing medical device-induced thrombosis.
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Affiliation(s)
- Rowan Frunt
- Central Diagnostic Laboratory Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
| | - Hinde El Otmani
- Central Diagnostic Laboratory Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Simone Smits
- Central Diagnostic Laboratory Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Chantal C Clark
- Center for Benign Hematology, Thrombosis and Hemostasis - Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Coen Maas
- Central Diagnostic Laboratory Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
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Kharnaf M, Zafar F, Hogue S, Rosenfeldt L, Cantrell RL, Sharma BK, Pearson A, Sprague C, Leino D, Abplanalp WA, Zelek WM, McCrae KR, Shim YJ, Morales D, Tweddell J, Qualls JE, Palumbo JS. Factor XII promotes the thromboinflammatory response in a rat model of venoarterial extracorporeal membrane oxygenation. J Thorac Cardiovasc Surg 2024; 168:e37-e53. [PMID: 37683721 PMCID: PMC10918029 DOI: 10.1016/j.jtcvs.2023.08.045] [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: 05/05/2023] [Revised: 07/26/2023] [Accepted: 08/15/2023] [Indexed: 09/10/2023]
Abstract
BACKGROUND Factor XII (FXII) is a multifunctional protease capable of activating thrombotic and inflammatory pathways. FXII has been linked to thrombosis in extracorporeal membrane oxygenation (ECMO), but the role of FXII in ECMO-induced inflammatory complications has not been studied. We used novel gene-targeted FXII- deficient rats to evaluate the role of FXII in ECMO-induced thromboinflammation. METHODS FXII-deficient (FXII-/-) Sprague-Dawley rats were generated using CRISPR/Cas9. A minimally invasive venoarterial (VA) ECMO model was used to compare wild-type (WT) and FXII-/- rats in 2 separate experimental cohorts: rats placed on ECMO without pharmacologic anticoagulation and rats anticoagulated with argatroban. Rats were maintained on ECMO for 1 hour or until circuit failure occurred. Comparisons were made with unchallenged rats and rats that underwent a sham surgical procedure without ECMO. RESULTS FXII-/- rats were maintained on ECMO without pharmacologic anticoagulation with low resistance throughout the 1-hour experiment. In contrast, WT rats placed on ECMO without anticoagulation developed thrombotic circuit failure within 10 minutes. Argatroban provided a means to maintain WT and FXII-/- rats on ECMO for the 1-hour time frame without thrombotic complications. Analyses of these rats demonstrated that ECMO resulted in increased neutrophil migration into the liver that was significantly blunted by FXII deficiency. ECMO also resulted in increases in high molecular weight kininogen cleavage and complement activation that were abrogated by genetic deletion of FXII. CONCLUSIONS FXII initiates hemostatic system activation and key inflammatory sequelae in ECMO, suggesting that therapies targeting FXII could limit both thromboembolism and inopportune inflammatory complications in this setting.
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Affiliation(s)
- Mousa Kharnaf
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio.
| | - Farhan Zafar
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Spencer Hogue
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Leah Rosenfeldt
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Rachel L Cantrell
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Bal Krishan Sharma
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Amelia Pearson
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Cassandra Sprague
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Daniel Leino
- Department of Pathology, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - William A Abplanalp
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Wioleta M Zelek
- Systems Immunity Research Institute and Dementia Research Institute, Cardiff University, Cardiff, United Kingdom
| | - Keith R McCrae
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic, Cleveland, Ohio
| | - Young Jun Shim
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic, Cleveland, Ohio
| | - David Morales
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - James Tweddell
- The Heart Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Joseph E Qualls
- Department of Biological Sciences, St Elizabeth College of Natural and Health Sciences, Thomas More University, Crestview Hills, Ky
| | - Joseph S Palumbo
- Cancer and Blood Disease Institute, Cincinnati Children's Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, Ohio.
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Meng Z, Wang S, Chen F, Zhang Z, Zhang Y, Yin Z, Duan Y, Zheng N, Wang Q, Liao C, Chen Y, Xie Z. Discovery of Highly Selective, Potent, Covalent, and Orally Bioavailable Factor XIIa Inhibitors for the Treatment of Thrombo-Inflammation. J Med Chem 2024; 67:10946-10966. [PMID: 38913497 DOI: 10.1021/acs.jmedchem.4c00475] [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: 06/26/2024]
Abstract
Thrombo-inflammation is closely associated with a few severe cardiovascular and infectious diseases. Factor XIIa (FXIIa) in the intrinsic coagulation pathway plays a pivotal role in the development of thrombo-inflammation and its inhibition has emerged as a potential therapeutic approach for thrombo-inflammatory disorders. Nonetheless, as of now, few small-molecule FXIIa inhibitors have demonstrated notable effectiveness against thrombo-inflammation, with none progressing into clinical stages. Herein, we present potent, covalent, reversible, and selective small-molecule FXIIa inhibitors such as 4a and 4j obtained through structure-based drug design. Compounds 4a and 4j showed significant anticoagulation and substantial anti-inflammatory effects in vitro, coupled with exceptional plasma stability. Furthermore, in carrageenan-induced thrombosis models, 4a and 4j demonstrated remarkable dual antithrombotic and anti-inflammatory activity when administered orally. Compound 4j exhibited a favorable safety profile without obvious tissue toxicity in mice, suggesting its potential as an oral therapeutic option for thrombo-inflammation.
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Affiliation(s)
- Zhiwei Meng
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Shengnan Wang
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Fangrong Chen
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Zhenzhen Zhang
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yajing Zhang
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Zequn Yin
- The First Affiliated Hospital of University of Science and Technology of China, Hefei 230001, China
| | - Yajun Duan
- The First Affiliated Hospital of University of Science and Technology of China, Hefei 230001, China
| | - Nan Zheng
- The First Affiliated Hospital of University of Science and Technology of China, Hefei 230001, China
| | - Qin Wang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Chenzhong Liao
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yuanli Chen
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Zhouling Xie
- Department of Pharmaceutical Sciences and Engineering, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
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Zhang Y, Chen Z, Guo J, Wan Q, Zhang Y, Li H, Rao H, Yang J, Xu P, Chen H, Wang M. Factor XII and prekallikrein promote microvascular inflammation and psoriasis in mice. Br J Pharmacol 2024. [PMID: 38872396 DOI: 10.1111/bph.16428] [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: 07/17/2023] [Revised: 02/21/2024] [Accepted: 03/18/2024] [Indexed: 06/15/2024] Open
Abstract
BACKGROUND AND PURPOSE Psoriasis is an autoimmune inflammatory skin disease, featuring microvascular abnormalities and elevated levels of bradykinin. Contact activation of Factor XII can initiate the plasma kallikrein-kinin cascade, producing inflammation and angioedema. The role of Factor XII in psoriasis is unknown. EXPERIMENTAL APPROACH The effects of deficiency of Factor XII or its enzymatic substrate, prekallikrein, were examined in the imiquimod-induced mouse model of psoriasis. Skin microcirculation was assessed using intravital confocal microscopy and laser Doppler flowmeter. A novel antibody blocking Factor XII activation was evaluated for psoriasis prevention. KEY RESULTS Expression of Factor XII was markedly up-regulated in human and mouse psoriatic skin. Genetic deletion of Factor XII or prekallikrein, attenuated imiquimod-induced psoriatic lesions in mice. Psoriatic induction increased skin microvascular blood perfusion, causing vasodilation, hyperpermeability and angiogenesis. It also promoted neutrophil-vascular interaction, inflammatory cytokine release and enhanced Factor XII / prekallikrein enzymatic activity with elevated bradykinin. Factor XII or prekallikrein deficiency ameliorated these microvascular abnormalities and abolished bradykinin increase. Antagonism of bradykinin B2 receptors reproduced the microvascular protection of Factor XII / prekallikrein deficiency, attenuated psoriatic lesions, and prevented protection by Factor XII / prekallikrein deficiency against psoriasis. Furthermore, treatment of mice with Factor XII antibody alleviated experimentally induced psoriasis and suppressed microvascular inflammation. CONCLUSION AND IMPLICATIONS Activation of Factor XII promoted psoriasis via prekallikrein-dependent formation of bradykinin, which critically mediated psoriatic microvascular inflammation. Inhibition of contact activation represents a novel therapeutic strategy for psoriasis.
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Affiliation(s)
- Yurong Zhang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zengrong Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junyan Guo
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- College of Life Science, Zhejiang Normal University, Jinhua City, China
| | - Qing Wan
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yingjie Zhang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Huihui Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haojie Rao
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianfeng Yang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Pengfei Xu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hong Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Miao Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Clinical Pharmacology Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Subcenter of National Center for Cardiovascular Diseases, Henan Cardiovascular Disease Center, Fuwai Central-China Cardiovascular Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China
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Barbosa MS, de Lima F, Peachazepi Moraes CR, Borba-Junior IT, Huber SC, Santos I, Bombassaro B, Dertkigil SSJ, Ilich A, Key NS, Annichino-Bizzacchi JM, Orsi FA, Mansour E, Velloso LA, De Paula EV. Angiopoietin2 is associated with coagulation activation and tissue factor expression in extracellular vesicles in COVID-19. Front Med (Lausanne) 2024; 11:1367544. [PMID: 38803346 PMCID: PMC11128612 DOI: 10.3389/fmed.2024.1367544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 04/12/2024] [Indexed: 05/29/2024] Open
Abstract
Coagulation activation in immunothrombosis involves various pathways distinct from classical hemostasis, offering potential therapeutic targets to control inflammation-induced hypercoagulability while potentially sparing hemostasis. The Angiopoietin/Tie2 pathway, previously linked to embryonic angiogenesis and sepsis-related endothelial barrier regulation, was recently associated with coagulation activation in sepsis and COVID-19. This study explores the connection between key mediators of the Angiopoietin/Tie2 pathway and coagulation activation. The study included COVID-19 patients with hypoxia and healthy controls. Blood samples were processed to obtain platelet-free plasma, and frozen until analysis. Extracellular vesicles (EVs) in plasma were characterized and quantified using flow cytometry, and their tissue factor (TF) procoagulant activity was measured using a kinetic chromogenic method. Several markers of hemostasis were assessed. Levels of ANGPT1, ANGPT2, and soluble Tie2 correlated with markers of coagulation and platelet activation. EVs from platelets and endothelial cells were increased in COVID-19 patients, and a significant increase in TF+ EVs derived from endothelial cells was observed. In addition, ANGPT2 levels were associated with TF expression and activity in EVs. In conclusion, we provide further evidence for the involvement of the Angiopoietin/Tie2 pathway in the coagulopathy of COVID-19 mediated in part by release of EVs as a potential source of TF activity.
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Affiliation(s)
- Mayck Silva Barbosa
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
| | - Franciele de Lima
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
| | | | | | - Stephany Cares Huber
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas, Campinas, Brazil
| | - Irene Santos
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas, Campinas, Brazil
| | - Bruna Bombassaro
- Obesity and Comorbidities Research Center, Universidade Estadual de Campinas, Campinas, Brazil
| | | | - Anton Ilich
- Blood Research Center, University of North Carolina, Chapel Hill, NC, United States
- Division of Hematology, Department of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Nigel S. Key
- Blood Research Center, University of North Carolina, Chapel Hill, NC, United States
- Division of Hematology, Department of Medicine, University of North Carolina, Chapel Hill, NC, United States
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Joyce M. Annichino-Bizzacchi
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas, Campinas, Brazil
| | - Fernanda Andrade Orsi
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas, Campinas, Brazil
| | - Eli Mansour
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
| | - Licio A. Velloso
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
- Obesity and Comorbidities Research Center, Universidade Estadual de Campinas, Campinas, Brazil
| | - Erich Vinicius De Paula
- School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas, Campinas, Brazil
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Ahmad N, Bukhari SNA, Hussain MA, Ejaz H, Munir MU, Amjad MW. Nanoparticles incorporated hydrogels for delivery of antimicrobial agents: developments and trends. RSC Adv 2024; 14:13535-13564. [PMID: 38665493 PMCID: PMC11043667 DOI: 10.1039/d4ra00631c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 04/01/2024] [Indexed: 04/28/2024] Open
Abstract
The prevention and treatment of microbial infections is an imminent global public health concern due to the poor antimicrobial performance of the existing antimicrobial regime and rapidly emerging antibiotic resistance in pathogenic microbes. In order to overcome these problems and effectively control bacterial infections, various new treatment modalities have been identified. To attempt this, various micro- and macro-molecular antimicrobial agents that function by microbial membrane disruption have been developed with improved antimicrobial activity and lesser resistance. Antimicrobial nanoparticle-hydrogels systems comprising antimicrobial agents (antibiotics, biological extracts, and antimicrobial peptides) loaded nanoparticles or antimicrobial nanoparticles (metal or metal oxide) constitute an important class of biomaterials for the prevention and treatment of infections. Hydrogels that incorporate nanoparticles can offer an effective strategy for delivering antimicrobial agents (or nanoparticles) in a controlled, sustained, and targeted manner. In this review, we have described an overview of recent advancements in nanoparticle-hydrogel hybrid systems for antimicrobial agent delivery. Firstly, we have provided an overview of the nanoparticle hydrogel system and discussed various advantages of these systems in biomedical and pharmaceutical applications. Thereafter, different hybrid hydrogel systems encapsulating antibacterial metal/metal oxide nanoparticles, polymeric nanoparticles, antibiotics, biological extracts, and antimicrobial peptides for controlling infections have been reviewed in detail. Finally, the challenges and future prospects of nanoparticle-hydrogel systems have been discussed.
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Affiliation(s)
- Naveed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Jouf University Sakaka 72388 Aljouf Saudi Arabia
| | - Syed Nasir Abbas Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University Sakaka 72388 Aljouf Saudi Arabia
| | - Muhammad Ajaz Hussain
- Centre for Organic Chemistry, School of Chemistry, University of the Punjab Lahore 54590 Pakistan
| | - Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University Sakaka 72388 Aljouf Saudi Arabia
| | - Muhammad Usman Munir
- Australian Institute for Bioengineering & Nanotechnology, The University of Queensland Brisbane Queens-land 4072 Australia
| | - Muhammad Wahab Amjad
- 6 Center for Ultrasound Molecular Imaging and Therapeutics, School of Medicine, University of Pittsburgh 15213 Pittsburgh Pennsylvania USA
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He Y, Døssing KBV, Rossing M, Bagger FO, Kjaer A. uPAR (PLAUR) Marks Two Intra-Tumoral Subtypes of Glioblastoma: Insights from Single-Cell RNA Sequencing. Int J Mol Sci 2024; 25:1998. [PMID: 38396677 PMCID: PMC10889167 DOI: 10.3390/ijms25041998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/20/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
Urokinase plasminogen activator receptor (uPAR) encoded by the PLAUR gene is known as a clinical marker for cell invasiveness in glioblastoma multiforme (GBM). It is additionally implicated in various processes, including angiogenesis and inflammation within the tumor microenvironment. However, there has not been a comprehensive study that depicts the overall functions and molecular cooperators of PLAUR with respect to intra-tumoral subtypes of GBM. Using single-cell RNA sequencing data from 37 GBM patients, we identified PLAUR as a marker gene for two distinct subtypes in GBM. One subtype is featured by inflammatory activities and the other subtype is marked by ECM remodeling processes. Using the whole-transcriptome data from single cells, we are able to uncover the molecular cooperators of PLAUR for both subtypes without presuming biological pathways. Two protein networks comprise the molecular context of PLAUR, with each of the two subtypes characterized by a different dominant network. We concluded that targeting PLAUR directly influences the mechanisms represented by these two protein networks, regardless of the subtype of the targeted cell.
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Affiliation(s)
- Yue He
- Department of Clinical Physiology, Nuclear Medicine and PET & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet, 2200 Copenhagen, Denmark; (Y.H.); (K.B.V.D.)
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Kristina B. V. Døssing
- Department of Clinical Physiology, Nuclear Medicine and PET & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet, 2200 Copenhagen, Denmark; (Y.H.); (K.B.V.D.)
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Maria Rossing
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark (F.O.B.)
- Department of Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Frederik Otzen Bagger
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark (F.O.B.)
| | - Andreas Kjaer
- Department of Clinical Physiology, Nuclear Medicine and PET & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet, 2200 Copenhagen, Denmark; (Y.H.); (K.B.V.D.)
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
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9
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Chooklin S, Chuklin S. The role of neutrophil extracellular traps in thrombosis. EMERGENCY MEDICINE 2023; 19:448-457. [DOI: 10.22141/2224-0586.19.7.2023.1627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
According to the cellular model of hemostasis, the process of blood coagulation is presented in the form of three phases: initiation, amplification and propagation, each of them includes several consecutive stages. At the same time, thrombus formation is often explained by Virchow’s triad: blood stasis, damage to the blood vessel walls, and hypercoagulation. Classically, the appearance of one of the three mentioned parameters can lead to thrombus formation. Over the past decade, our knowledge of the cross-talk between coagulation, inflammation, and innate immune activation and the involvement of neutrophil extracellular traps in these processes has expanded. This brief review shows their role in thrombosis through the mechanisms of activation of platelets, complement, interaction with blood coagulation factors and damage to the vascular endothelium. We searched the literature in the MEDLINE database on the PubMed platform.
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10
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Zhao J, Zhang X, Li Y, Yu J, Chen Z, Niu Y, Ran S, Wang S, Ye W, Luo Z, Li X, Hao Y, Zong J, Xia C, Xia J, Wu J. Interorgan communication with the liver: novel mechanisms and therapeutic targets. Front Immunol 2023; 14:1314123. [PMID: 38155961 PMCID: PMC10754533 DOI: 10.3389/fimmu.2023.1314123] [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: 10/11/2023] [Accepted: 11/28/2023] [Indexed: 12/30/2023] Open
Abstract
The liver is a multifunctional organ that plays crucial roles in numerous physiological processes, such as production of bile and proteins for blood plasma, regulation of blood levels of amino acids, processing of hemoglobin, clearance of metabolic waste, maintenance of glucose, etc. Therefore, the liver is essential for the homeostasis of organisms. With the development of research on the liver, there is growing concern about its effect on immune cells of innate and adaptive immunity. For example, the liver regulates the proliferation, differentiation, and effector functions of immune cells through various secreted proteins (also known as "hepatokines"). As a result, the liver is identified as an important regulator of the immune system. Furthermore, many diseases resulting from immune disorders are thought to be related to the dysfunction of the liver, including systemic lupus erythematosus, multiple sclerosis, and heart failure. Thus, the liver plays a role in remote immune regulation and is intricately linked with systemic immunity. This review provides a comprehensive overview of the liver remote regulation of the body's innate and adaptive immunity regarding to main areas: immune-related molecules secreted by the liver and the liver-resident cells. Additionally, we assessed the influence of the liver on various facets of systemic immune-related diseases, offering insights into the clinical application of target therapies for liver immune regulation, as well as future developmental trends.
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Affiliation(s)
- Jiulu Zhao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jizhang Yu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhang Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuqing Niu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuan Ran
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Song Wang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weicong Ye
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zilong Luo
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanglin Hao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junjie Zong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chengkun Xia
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Organ Transplantation, Ministry of Education, National Health Commission Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Organ Transplantation, Ministry of Education, National Health Commission Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
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11
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Mutch NJ, Medcalf RL. The fibrinolysis renaissance. J Thromb Haemost 2023; 21:3304-3316. [PMID: 38000850 DOI: 10.1016/j.jtha.2023.09.012] [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: 09/06/2023] [Revised: 09/13/2023] [Accepted: 09/13/2023] [Indexed: 11/26/2023]
Abstract
Fibrinolysis is the system primarily responsible for removal of fibrin deposits and blood clots in the vasculature. The terminal enzyme in the pathway, plasmin, is formed from its circulating precursor, plasminogen. Fibrin is by far the most legendary substrate, but plasmin is notoriously prolific and is known to cleave many other proteins and participate in the activation of other proteolytic systems. Fibrinolysis is often overshadowed by the coagulation system and viewed as a simplistic poorer relation. However, the primordial plasminogen activators evolved alongside the complement system, approximately 70 million years before coagulation saw the light of day. It is highly likely that the plasminogen activation system evolved with its roots in primordial immunity. Almost all immune cells harbor at least one of a dozen plasminogen receptors that allow plasmin formation on the cell surface that in turn modulates immune cell behavior. Similarly, numerous pathogens express their own plasminogen activators or contain surface proteins that provide binding sites for host plasminogen. The fibrinolytic system has been harnessed for clinical medicine for many decades with the development of thrombolytic drugs and antifibrinolytic agents. Our refined understanding and appreciation of the fibrinolytic system and its alliance with infection and immunity and beyond are paving the way for new developments and interest in novel therapeutics and applications. One must ponder as to whether the nomenclature of the system hampered our understanding, by focusing on fibrin, rather than the complex myriad of interactions and substrates of the plasminogen activation system.
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Affiliation(s)
- Nicola J Mutch
- Aberdeen Cardiovascular & Diabetes Centre, Institute of Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresterhill, Aberdeen, UK.
| | - Robert L Medcalf
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia
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12
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Padilla S, Prado R, Anitua E. An evolutionary history of F12 gene: Emergence, loss, and vulnerability with the environment as a driver. Bioessays 2023; 45:e2300077. [PMID: 37750435 DOI: 10.1002/bies.202300077] [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: 05/03/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/27/2023]
Abstract
In the context of macroevolutionary transitions, environmental changes prompted vertebrates already bearing genetic variations to undergo gradual adaptations resulting in profound anatomical, physiological, and behavioral adaptations. The emergence of new genes led to the genetic variation essential in metazoan evolution, just as was gene loss, both sources of genetic variation resulting in adaptive phenotypic diversity. In this context, F12-coding protein with defense and hemostatic roles emerged some 425 Mya, and it might have contributed in aquatic vertebrates to the transition from water-to-land. Conversely, the F12 loss in marine, air-breathing mammals like cetaceans has been associated with phenotypic adaptations in some terrestrial mammals in their transition to aquatic lifestyle. More recently, the advent of technological innovations in western lifestyle with blood-contacting devices and harmful environmental nanoparticles, has unfolded new roles of FXII. Environment operates as either a positive or a relaxed selective pressure on genes, and consequently genes are selected or lost. FXII, an old dog facing environmental novelties can learn new tricks and teach us new therapeutic avenues.
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Affiliation(s)
- Sabino Padilla
- BTI-Biotechnology Institute ImasD, Vitoria, Spain
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Roberto Prado
- BTI-Biotechnology Institute ImasD, Vitoria, Spain
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Eduardo Anitua
- BTI-Biotechnology Institute ImasD, Vitoria, Spain
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
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13
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Chen SS, Luo HJ, Li H, Zhang H, Li YY, Li Y, Wang W, Ding HL. Elevated plasma FXII is associated with disease activity in ANCA-associated vasculitis: A Retrospective Cross-Sectional Study in Western China. Int Immunopharmacol 2023; 125:111067. [PMID: 37866310 DOI: 10.1016/j.intimp.2023.111067] [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: 08/08/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 10/24/2023]
Abstract
This study examined whether plasma FXII levels reflect disease activity in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Plasma FXII levels were detected by ELISA in 127 patients with AAV, and their associations with disease activity and plasma myeloperoxidase (MPO)-ANCA titre were examined. Immunofluorescent co-staining of FXII and neutrophils was performed on the renal tissues of patients with AAV. MPO expression in renal biopsy tissues was determined by immunohistochemical staining. The association between plasma FXII levels and histological activity was assessed in 82 patients who underwent kidney biopsy. Plasma FXII levels were considerably increased in patients with clinically active AAV compared to those in clinical remission and healthy individuals. Plasma FXII levels correlated positively with creatinine (r = 0.377), CRP (r = 0.222), urine red blood cell (r = 0.203), serum MPO-ANCA titer (r = 0.353), white blood cell (r = 0.194), percentage of glomeruli with crescents (P = 0.001), capillary breaks (P = 0.001), interstitial inflammation (P < 0.001) and fibrinoid necrosis (p < 0.001) on kidney biopsy. The plasma FXII optimal cut-off value for evaluating AAV activity was 24.5 μg/mL (sensitivity = 0.81, specificity = 0.82, P = 0.0001), which was superior to that achieved using conventional serologic biomarkers. Co-expression of FXII and neutrophils was higher, with increased MPO expression, in renal tissue with pathologically active AAV than that observed in pathologically inactive tissues. In conclusion, elevated plasma FXII levels reflect AAV clinical and histologic activity, and can serve as markers of active AAV.
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Affiliation(s)
- Sha-Sha Chen
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Hao-Jun Luo
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China; Department of Palliative Medicine, Chongqing University Cancer Hospital, Chongqing 400030, China
| | - Huan Li
- Wenjiang District People's Hospital of Chengdu, Wenjiang Hospital of Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan, China
| | - Hong Zhang
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Yuan-Yuan Li
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Yi Li
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Wei Wang
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China
| | - Han-Lu Ding
- Department of Nephrology, Sichuan Provincial People's Hospital, Sichuan Clinical Research Center for Kidney Diseases, Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610072, Sichuan, China.
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14
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Beckman JD, Sparkenbaugh EM. The invisible string of coagulation, complement, iron, and inflammation in sickle cell disease. Curr Opin Hematol 2023; 30:153-158. [PMID: 37462409 PMCID: PMC10529498 DOI: 10.1097/moh.0000000000000773] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
PURPOSE OF REVIEW This review provides an update on recent advances in mechanistic studies of thromboinflammatory mechanisms that contribute to the disease pathology in sickle cell disease (SCD). There is a focus on novel pathways, clinical relevance, and translational potential of these findings. We hope to encourage more advances in this area to reduce organ damage in young patients prior to gene therapy, and to serve the aging SCD patient population. RECENT FINDINGS Novel insights into the roles of neutrophils, the ADAMTS-13/VWF axis, oxidative stress, and the intrinsic coagulation cascade, as well as relevant clinical trials, are discussed. SUMMARY Several studies implicate dysregulation of the ADAMTS-13/VWF axis as playing a major role in vaso-occlusive events (VOE) in SCD. Another highlight is reducing iron overload, which has beneficial effects on erythrocyte and neutrophil function that reduce VOE and inflammation. Multiple studies suggest that targeting HO-1/ROS in erythrocytes, platelets, and endothelium can attenuate disease pathology. New insights into coagulation activation identify intrinsic coagulation factor XII as a central regulator of many thromboinflammatory pathologies in SCD. The complement cascade and modulators of neutrophil function and release of neutrophil extracellular traps are also discussed.
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Affiliation(s)
- Joan D Beckman
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Erica M Sparkenbaugh
- Division of Hematology, Department of Medicine, University of North Carolina at Chapel Hill, Blood Research Center, Chapel Hill, North Carolina, USA
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15
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Yao M, Ma J, Wu D, Fang C, Wang Z, Guo T, Mo J. Neutrophil extracellular traps mediate deep vein thrombosis: from mechanism to therapy. Front Immunol 2023; 14:1198952. [PMID: 37680629 PMCID: PMC10482110 DOI: 10.3389/fimmu.2023.1198952] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 08/10/2023] [Indexed: 09/09/2023] Open
Abstract
Deep venous thrombosis (DVT) is a part of venous thromboembolism (VTE) that clinically manifests as swelling and pain in the lower limbs. The most serious clinical complication of DVT is pulmonary embolism (PE), which has a high mortality rate. To date, its underlying mechanisms are not fully understood, and patients usually present with clinical symptoms only after the formation of the thrombus. Thus, it is essential to understand the underlying mechanisms of deep vein thrombosis for an early diagnosis and treatment of DVT. In recent years, many studies have concluded that Neutrophil Extracellular Traps (NETs) are closely associated with DVT. These are released by neutrophils and, in addition to trapping pathogens, can mediate the formation of deep vein thrombi, thereby blocking blood vessels and leading to the development of disease. Therefore, this paper describes the occurrence and development of NETs and discusses the mechanism of action of NETs on deep vein thrombosis. It aims to provide a direction for improved diagnosis and treatment of deep vein thrombosis in the near future.
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Affiliation(s)
- Mengting Yao
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Jiacheng Ma
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Dongwen Wu
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Chucun Fang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Zilong Wang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Tianting Guo
- Department of Orthopedics, Guangdong Provincial People’s Hospital Ganzhou Hospital, Ganzhou Municipal Hospital, Ganzhou, Jiangxi, China
| | - Jianwen Mo
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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16
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Wichaiyo S, Svasti S, Maiuthed A, Rukthong P, Goli AS, Morales NP. Dasatinib Ointment Promotes Healing of Murine Excisional Skin Wound. ACS Pharmacol Transl Sci 2023; 6:1015-1027. [PMID: 37470022 PMCID: PMC10353058 DOI: 10.1021/acsptsci.2c00245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Indexed: 07/21/2023]
Abstract
Dasatinib, a tyrosine kinase inhibitor, has been shown to produce anti-inflammatory activity and impair vascular integrity in vivo, including during skin wound healing, potentially promoting the repair process. Given that dasatinib is a lipophilic small molecule capable of penetrating skin, topical dasatinib might provide benefits in wound healing. In the present study, we investigated the impact of dasatinib ointments in skin wound healing in mice. A full thickness excisional skin wound (4 mm diameter) was generated on the shaved dorsum of eight-week-old C57BL/6 mice. Dasatinib ointment (0.1 or 0.2% w/w) or ointment base was applied twice daily (every 12 h) for 10 days. Elizabethan collars were used to prevent animal licking. The wound size was monitored daily for 14 days. The results showed that dasatinib ointments, particularly 0.1% dasatinib, promoted a 16-23% reduction in wound size (p < 0.05) during day 2 to day 6 postinjury compared to controls. Immunohistochemistry analyses demonstrated a reduction in wound neutrophils (38% reduction, p = 0.04), macrophages (47% reduction, p = 0.005), and tumor necrosis factor-α levels (73% reduction, p < 0.01), together with an induction of vascular leakage-mediated fibrin(ogen) accumulation (2.5-fold increase, p < 0.01) in the wound during day 3 postinjury (an early phase of repair) in 0.1% dasatinib-treated mice relative to control mice. The anti-inflammatory and vascular hyperpermeability activities of dasatinib were associated with an enhanced healing process, including increased keratinocyte proliferation (1.8-fold increase in Ki67+ cells, p < 0.05) and augmented angiogenesis (1.7-fold increase in CD31+ area, p < 0.05), compared to the ointment base-treated group. Following treatment with 0.2% dasatinib ointment, minor wound bleeding and scab reformation were observed during the late phase, which contributed to delayed healing. In conclusion, our data suggest that dasatinib ointment, mainly at 0.1%, promotes the repair process by reducing inflammation and producing a local and temporal vascular leakage, leading to an increase in fibrin(ogen) deposition, re-epithelialization, and angiogenesis. Therefore, topical dasatinib might be a potential novel candidate to facilitate skin wound healing.
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Affiliation(s)
- Surasak Wichaiyo
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
- Centre
of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Saovaros Svasti
- Thalassemia
Research Center, Institute of Molecular Biosciences, Mahidol University, Nakhon
Pathom 73170, Thailand
- Department
of Biochemistry, Faculty of Science, Mahidol
University, Bangkok 10400, Thailand
| | - Arnatchai Maiuthed
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
- Centre
of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Pattarawit Rukthong
- Department
of Pharmaceutical Technology, Faculty of Pharmacy, Srinakharinwirot University, Nakhonnayok 26120, Thailand
| | - Arman Syah Goli
- Department
of Pharmacology, Faculty of Pharmacy, Mahidol
University, Bangkok 10400, Thailand
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17
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Philippou H, Stavrou EX. Next generation anticoagulants: a spotlight on the potential role of activated factors XII and XI. Expert Rev Hematol 2023; 16:711-714. [PMID: 37542390 DOI: 10.1080/17474086.2023.2245973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/04/2023] [Indexed: 08/06/2023]
Affiliation(s)
- Helen Philippou
- Leeds Institute of Cardiovascular & Metabolic Medicine, University of Leeds, Leeds, West Yorkshire, UK
| | - Evi X Stavrou
- Department of Medicine, Hematology and Oncology Division, CWRU School of Medicine, Cleveland, OH, USA
- Medicine Service, Section of Hematology-Oncology, Louis Stokes Veterans Administration Medical Center, Cleveland, Ohio, USA
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18
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Umei N, Shin S, Lai A, Miller J, Roberts K, Strelkova D, Chaudhary N, Ichiba S, Sakamoto A, Whitehead K, Cook K. Factor XII Silencing Using siRNA Prevents Thrombus Formation in a Rat Model of Extracorporeal Life Support. ASAIO J 2023; 69:527-532. [PMID: 36728837 DOI: 10.1097/mat.0000000000001876] [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: 02/03/2023] Open
Abstract
Heparin anticoagulation increases the bleeding risk during extracorporeal life support (ECLS). This study determined whether factor XII (FXII) silencing using short interfering RNA (siRNA) can provide ECLS circuit anticoagulation without bleeding. Adult male, Sprague-Dawley rats were randomized to four groups (n = 3 each) based on anticoagulant: (1) no anticoagulant, (2) heparin, (3) FXII siRNA, or (4) nontargeting siRNA. Heparin was administered intravenously before and during ECLS. FXII or nontargeting siRNA were administered intravenously 3 days before the initiation of ECLS via lipidoid nanoparticles. The rats were placed on pumped, arteriovenous ECLS for 8 hours or until the blood flow resistance reached three times its baseline resistance. Without anticoagulant, mock-oxygenator resistance tripled within 7 ± 2 minutes. The resistance in the FXII siRNA group did not increase for 8 hours. There were no significant differences in resistance or mock-oxygenator thrombus volume between the FXII siRNA and the heparin groups. However, the bleeding time in the FXII siRNA group (3.4 ± 0.6 minutes) was significantly shorter than that in the heparin group (5.5 ± 0.5 minutes, p < 0.05). FXII silencing using siRNA provided simpler anticoagulation of ECLS circuits with reduced bleeding time as compared to heparin. http://links.lww.com/ASAIO/A937.
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Affiliation(s)
- Nao Umei
- From the Departments of Anesthesiology
- Surgical Intensive Care Medicine, Nippon Medical School Hospital, Tokyo, Japan
- Departments of Biomedical Engineering
| | - Suji Shin
- Departments of Biomedical Engineering
| | | | | | | | - Daria Strelkova
- Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania
| | - Namit Chaudhary
- Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania
| | - Shingo Ichiba
- From the Departments of Anesthesiology
- Surgical Intensive Care Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Atsuhiro Sakamoto
- From the Departments of Anesthesiology
- Surgical Intensive Care Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Kathryn Whitehead
- Departments of Biomedical Engineering
- Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania
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19
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Zdanyte M, Borst O, Münzer P. NET-(works) in arterial and venous thrombo-occlusive diseases. Front Cardiovasc Med 2023; 10:1155512. [PMID: 37283578 PMCID: PMC10239889 DOI: 10.3389/fcvm.2023.1155512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
Formation of Neutrophil Extracellular Traps (NETosis), accompanied by the release of extracellular decondensed chromatin and pro-inflammatory as well as pro-thrombotic factors, is a pivotal element in the development and progression of thrombo-occlusive diseases. While the process of NETosis is based on complex intracellular signalling mechanisms, it impacts a wide variety of cells including platelets, leukocytes and endothelial cells. Consequently, although initially mainly associated with venous thromboembolism, NETs also affect and mediate atherothrombosis and its acute complications in the coronary, cerebral and peripheral arterial vasculature. In this context, besides deep vein thrombosis and pulmonary embolism, NETs in atherosclerosis and especially its acute complications such as myocardial infarction and ischemic stroke gained a lot of attention in the cardiovascular research field in the last decade. Thus, since the effect of NETosis on platelets and thrombosis in general is extensively discussed in other review articles, this review focusses on the translational and clinical relevance of NETosis research in cardiovascular thrombo-occlusive diseases. Consequently, after a brief summary of the neutrophil physiology and the cellular and molecular mechanisms underlying NETosis are presented, the role of NETosis in atherosclerotic and venous thrombo-occlusive diseases in chronic and acute settings are discussed. Finally, potential prevention and treatment strategies of NET-associated thrombo-occlusive diseases are considered.
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Affiliation(s)
- Monika Zdanyte
- DFG Heisenberg Group Thrombocardiology, Eberhard Karl University Tübingen, Tübingen, Germany
- Department of Cardiology and Angiology, University Hospital Tübingen, Tübingen, Germany
| | - Oliver Borst
- DFG Heisenberg Group Thrombocardiology, Eberhard Karl University Tübingen, Tübingen, Germany
- Department of Cardiology and Angiology, University Hospital Tübingen, Tübingen, Germany
| | - Patrick Münzer
- DFG Heisenberg Group Thrombocardiology, Eberhard Karl University Tübingen, Tübingen, Germany
- Department of Cardiology and Angiology, University Hospital Tübingen, Tübingen, Germany
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20
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Tweddell JS, Kharnaf M, Zafar F, Riggs KW, Reagor JA, Monia BP, Revenko A, Leino DG, Owens AP, Martin JK, Gourley B, Rosenfeldt L, Palumbo JS. Targeting the contact system in a rabbit model of extracorporeal membrane oxygenation. Blood Adv 2023; 7:1404-1417. [PMID: 36240297 PMCID: PMC10139951 DOI: 10.1182/bloodadvances.2022007586] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 11/20/2022] Open
Abstract
Previous studies suggested that contact pathway factors drive thrombosis in mechanical circulation. We used a rabbit model of veno-arterial extracorporeal circulation (VA-ECMO) to evaluate the role of factors XI and XII in ECMO-associated thrombosis and organ damage. Factors XI and XII (FXI, FXII) were depleted using established antisense oligonucleotides before placement on a blood-primed VA-ECMO circuit. Decreasing FXII or FXI to < 5% of baseline activity significantly prolonged ECMO circuit lifespan, limited the development of coagulopathy, and prevented fibrinogen consumption. Histological analysis suggested that FXII depletion mitigated interstitial pulmonary edema and hemorrhage whereas heparin and FXI depletion did not. Neither FXI nor FXII depletion was associated with significant hemorrhage in other organs. In vitro analysis showed that membrane oxygenator fibers (MOFs) alone are capable of driving significant thrombin generation in a FXII- and FXI-dependent manner. MOFs also augment thrombin generation triggered by low (1 pM) or high (5 pM) tissue factor concentrations. However, only FXI elimination completely prevented the increase in thrombin generation driven by MOFs, suggesting MOFs augment thrombin-mediated FXI activation. Together, these results suggest that therapies targeting FXII or FXI limit thromboembolic complications associated with ECMO. Further studies are needed to determine the contexts wherein targeting FXI and FXII, either alone or in combination, would be most beneficial in ECMO. Moreover, studies are also needed to determine the potential mechanisms coupling FXII to end-organ damage in ECMO.
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Affiliation(s)
- James S. Tweddell
- The Heart Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Mousa Kharnaf
- The Heart Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Farhan Zafar
- The Heart Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Kyle W. Riggs
- The Heart Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - James A. Reagor
- The Heart Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | | | | | - Daniel G. Leino
- Division of Pathology and Laboratory Medicine, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - A. Phillip Owens
- Department of Internal Medicine, The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Janine K. Martin
- Cancer and Blood Diseases Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Benjamin Gourley
- Cancer and Blood Diseases Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Leah Rosenfeldt
- Cancer and Blood Diseases Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
| | - Joseph S. Palumbo
- Cancer and Blood Diseases Institute, Cincinnati Children’s Hospital Medical Center and The University of Cincinnati College of Medicine, Cincinnati, OH
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21
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Thakur M, Junho CVC, Bernhard SM, Schindewolf M, Noels H, Döring Y. NETs-Induced Thrombosis Impacts on Cardiovascular and Chronic Kidney Disease. Circ Res 2023; 132:933-949. [PMID: 37053273 PMCID: PMC10377271 DOI: 10.1161/circresaha.123.321750] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Arterial and venous thrombosis constitute a major source of morbidity and mortality worldwide. Association between thrombotic complications and cardiovascular and other chronic inflammatory diseases are well described. Inflammation and subsequent initiation of thrombotic events, termed immunothrombosis, also receive growing attention but are still incompletely understood. Nevertheless, the clinical relevance of aberrant immunothrombosis, referred to as thromboinflammation, is evident by an increased risk of thrombosis and cardiovascular events in patients with inflammatory or infectious diseases. Proinflammatory mediators released from platelets, complement activation, and the formation of NETs (neutrophil extracellular traps) initiate and foster immunothrombosis. In this review, we highlight and discuss prominent and emerging interrelationships and functions between NETs and other mediators in immunothrombosis in cardiovascular disease. Also, with patients with chronic kidney disease suffering from increased cardiovascular and thrombotic risk, we summarize current knowledge on neutrophil phenotype, function, and NET formation in chronic kidney disease. In addition, we elaborate on therapeutic targeting of NETs-induced immunothrombosis. A better understanding of the functional relevance of antithrombotic mediators which do not increase bleeding risk may provide opportunities for successful therapeutic interventions to reduce thrombotic risk beyond current treatment options.
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Affiliation(s)
- Manovriti Thakur
- Division of Angiology, Swiss Cardiovascular Center, Inselspital (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
- Department for BioMedical Research (DBMR) (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
| | - Carolina Victoria Cruz Junho
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Germany (C.V.C.J., H.N.)
| | - Sarah Maike Bernhard
- Division of Angiology, Swiss Cardiovascular Center, Inselspital (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
- Department for BioMedical Research (DBMR) (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
| | - Marc Schindewolf
- Division of Angiology, Swiss Cardiovascular Center, Inselspital (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
- Department for BioMedical Research (DBMR) (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
| | - Heidi Noels
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Germany (C.V.C.J., H.N.)
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, the Netherlands (H.N.)
| | - Yvonne Döring
- Division of Angiology, Swiss Cardiovascular Center, Inselspital (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
- Department for BioMedical Research (DBMR) (M.T., S.M.B., M.S., Y.D.), Bern University Hospital, University of Bern, Switzerland
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany (Y.D.)
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-University Munich (LMU), Munich, Germany (Y.D.)
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22
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Sparkenbaugh EM, Henderson MW, Miller-Awe M, Abrams C, Ilich A, Trebak F, Ramadas N, Vital S, Bohinc D, Bane KL, Chen C, Patel M, Wallisch M, Renné T, Gruber A, Cooley B, Gailani D, Kasztan M, Vercellotti GM, Belcher JD, Gavins FE, Stavrou EX, Key NS, Pawlinski R. Factor XII contributes to thrombotic complications and vaso-occlusion in sickle cell disease. Blood 2023; 141:1871-1883. [PMID: 36706361 PMCID: PMC10122107 DOI: 10.1182/blood.2022017074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/28/2023] Open
Abstract
A hypercoagulable state, chronic inflammation, and increased risk of venous thrombosis and stroke are prominent features in patients with sickle cell disease (SCD). Coagulation factor XII (FXII) triggers activation of the contact system that is known to be involved in both thrombosis and inflammation, but not in physiological hemostasis. Therefore, we investigated whether FXII contributes to the prothrombotic and inflammatory complications associated with SCD. We found that when compared with healthy controls, patients with SCD exhibit increased circulating biomarkers of FXII activation that are associated with increased activation of the contact pathway. We also found that FXII, but not tissue factor, contributes to enhanced thrombin generation and systemic inflammation observed in sickle cell mice challenged with tumor necrosis factor α. In addition, FXII inhibition significantly reduced experimental venous thrombosis, congestion, and microvascular stasis in a mouse model of SCD. Moreover, inhibition of FXII attenuated brain damage and reduced neutrophil adhesion to the brain vasculature of sickle cell mice after ischemia/reperfusion induced by transient middle cerebral artery occlusion. Finally, we found higher FXII, urokinase plasminogen activator receptor, and αMβ2 integrin expression in neutrophils of patients with SCD compared with healthy controls. Our data indicate that targeting FXII effectively reduces experimental thromboinflammation and vascular complications in a mouse model of SCD, suggesting that FXII inhibition may provide a safe approach for interference with inflammation, thrombotic complications, and vaso-occlusion in patients with SCD.
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Affiliation(s)
- Erica M. Sparkenbaugh
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Michael W. Henderson
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Megan Miller-Awe
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Christina Abrams
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Anton Ilich
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Fatima Trebak
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Nirupama Ramadas
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Shantel Vital
- Louisiana State University Health Sciences Center, Shreveport, LA
| | - Dillon Bohinc
- Hematology and Oncology Division, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH
| | - Kara L. Bane
- Hematology and Oncology Division, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH
| | - Chunsheng Chen
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Margi Patel
- Division of Hematology-Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL
| | | | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Center for Thrombosis and Hemostasis, Johannes Gutenberg University Medical Center, Mainz, Germany
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | | | - Brian Cooley
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | | | - Malgorzata Kasztan
- Division of Hematology-Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL
| | - Gregory M. Vercellotti
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - John D. Belcher
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Felicity E. Gavins
- Department of Life Sciences, Centre for Inflammation Research and Translational Medicine, Brunel University London, London, United Kingdom
| | - Evi X. Stavrou
- Hematology and Oncology Division, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH
- Department of Medicine, Section of Hematology-Oncology, Louis Stokes Veterans Administration Medical Center, Cleveland, OH
| | - Nigel S. Key
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Rafal Pawlinski
- Division of Hematology and Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
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23
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Bauer A, Pachl E, Hellmuth JC, Kneidinger N, Heydarian M, Frankenberger M, Stubbe HC, Ryffel B, Petrera A, Hauck SM, Behr J, Kaiser R, Scherer C, Deng L, Teupser D, Ahmidi N, Muenchhoff M, Schubert B, Hilgendorff A. Proteomics reveals antiviral host response and NETosis during acute COVID-19 in high-risk patients. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166592. [PMID: 36328146 PMCID: PMC9622026 DOI: 10.1016/j.bbadis.2022.166592] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/05/2022]
Abstract
SARS-CoV-2 remains an acute threat to human health, endangering hospital capacities worldwide. Previous studies have aimed at informing pathophysiologic understanding and identification of disease indicators for risk assessment, monitoring, and therapeutic guidance. While findings start to emerge in the general population, observations in high-risk patients with complex pre-existing conditions are limited. We addressed the gap of existing knowledge with regard to a differentiated understanding of disease dynamics in SARS-CoV-2 infection while specifically considering disease stage and severity. We biomedically characterized quantitative proteomics in a hospitalized cohort of COVID-19 patients with mild to severe symptoms suffering from different (co)-morbidities in comparison to both healthy individuals and patients with non-COVID related inflammation. Deep clinical phenotyping enabled the identification of individual disease trajectories in COVID-19 patients. By the use of the individualized disease phase assignment, proteome analysis revealed a severity dependent general type-2-centered host response side-by-side with a disease specific antiviral immune reaction in early disease. The identification of phenomena such as neutrophil extracellular trap (NET) formation and a pro-coagulatory response characterizing severe disease was successfully validated in a second cohort. Together with the regulation of proteins related to SARS-CoV-2-specific symptoms identified by proteome screening, we not only confirmed results from previous studies but provide novel information for biomarker and therapy development.
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Affiliation(s)
- Alina Bauer
- Helmholtz Zentrum München, Computational Health Department, Member of the German Center for Lung Research (DZL), 85764 Munich, Germany
| | - Elisabeth Pachl
- Helmholtz Zentrum München, Computational Health Department, Member of the German Center for Lung Research (DZL), 85764 Munich, Germany,Fraunhofer IKS, Fraunhofer Institute for Cognitive Systems IKS, 80686 Munich, Germany
| | - Johannes C. Hellmuth
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany,German Cancer Consortium (DKTK), Munich, Germany,COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany
| | - Nikolaus Kneidinger
- Institute of Lung Biology and Disease and Comprehensive Pneumology Center with the CPC-M bioArchive, Helmholtz Zentrum Muenchen, Member of the German Center for Lung Research (DZL), Munich, Germany,Department of Medicine V, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | | | - Marion Frankenberger
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany
| | - Hans C. Stubbe
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany,Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
| | - Bernhard Ryffel
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orleans and Artimmune, Orléans, France
| | - Agnese Petrera
- Metabolomics and Proteomics Core, Helmholtz Zentrum München, Munich, Germany
| | - Stefanie M. Hauck
- Metabolomics and Proteomics Core, Helmholtz Zentrum München, Munich, Germany
| | - Jürgen Behr
- Institute of Lung Biology and Disease and Comprehensive Pneumology Center with the CPC-M bioArchive, Helmholtz Zentrum Muenchen, Member of the German Center for Lung Research (DZL), Munich, Germany,Department of Medicine V, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Rainer Kaiser
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany,Medizinische Klinik und Poliklinik I, University Hospital, LMU Munich, Munich, Germany,DZHK (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Clemens Scherer
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany,Medizinische Klinik und Poliklinik I, University Hospital, LMU Munich, Munich, Germany,DZHK (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Li Deng
- Helmholtz Zentrum München, Computational Health Department, Member of the German Center for Lung Research (DZL), 85764 Munich, Germany,Institute of Virology, Technical University of Munich, 81675 Munich, Germany
| | - Daniel Teupser
- Institute of Laboratory Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Narges Ahmidi
- Fraunhofer IKS, Fraunhofer Institute for Cognitive Systems IKS, 80686 Munich, Germany
| | - Maximilian Muenchhoff
- COVID-19 Registry of the LMU Munich (CORKUM), University Hospital, LMU Munich, Munich, Germany,Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, LMU München, Munich, Germany,German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Benjamin Schubert
- Helmholtz Zentrum München, Computational Health Department, Member of the German Center for Lung Research (DZL), 85764 Munich, Germany,Department of Mathematics, Technical University of Munich, 85748 Garching bei München, Germany
| | - Anne Hilgendorff
- Institute of Lung Biology and Disease and Comprehensive Pneumology Center with the CPC-M bioArchive, Helmholtz Zentrum Muenchen, Member of the German Center for Lung Research (DZL), Munich, Germany; Center for Comprehensive Developmental Care (CDeC(LMU)) at the Interdisciplinary Social Pediatric Center (iSPZ), LMU Hospital, Munich, Germany.
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24
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Al-Horani RA, Afosah DK, Mottamal M. Triazol-1-yl Benzamides Promote Anticoagulant Activity via Inhibition of Factor XIIa. Cardiovasc Hematol Agents Med Chem 2023; 21:108-119. [PMID: 36321236 PMCID: PMC10249145 DOI: 10.2174/1871525721666221031141323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/13/2022] [Accepted: 10/03/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND Human factor XIIa (FXIIa) is a plasma serine protease that plays a significant role in several physiological and pathological processes. Animal models have revealed an important contribution of FXIIa to thromboembolic diseases. Remarkably, animals and patients with FXII deficiency appear to have normal hemostasis. Thus, FXIIa inhibition may serve as a promising therapeutic strategy to attain safer and more effective anticoagulation. Very few small molecule inhibitors of FXIIa have been reported. We synthesized and investigated a focused library of triazol-1-yl benzamide derivatives for FXIIa inhibition. METHODS We chemically synthesized, characterized, and investigated a focused library of triazol- 1-yl benzamide derivatives for FXIIa inhibition. Using a standardized chromogenic substrate hydrolysis assay, the derivatives were evaluated for inhibiting human FXIIa. Their selectivity over other clotting factors was also evaluated using the corresponding substrate hydrolysis assays. The best inhibitor affinity to FXIIa was also determined using fluorescence spectroscopy. Effects on the clotting times (prothrombin time (PT) and activated partial thromboplastin time (APTT)) of human plasma were also studied. RESULTS We identified a specific derivative (1) as the most potent inhibitor in this series. The inhibitor exhibited nanomolar binding affinity to FXIIa. It also exhibited significant selectivity against several serine proteases. It also selectively doubled the activated partial thromboplastin time of human plasma. CONCLUSION Overall, this work puts forward inhibitor 1 as a potent and selective inhibitor of FXIIa for further development as an anticoagulant.
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Affiliation(s)
- Rami A. Al-Horani
- Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA 70125, USA
| | - Daniel K. Afosah
- Department of Chemistry and Biochemistry, Washington and Lee University, Lexington VA 24450, USA
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25
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Yakovleva EV, Zozulya NI. Physiological and pathological role of factor XII. RUSSIAN JOURNAL OF HEMATOLOGY AND TRANSFUSIOLOGY 2022. [DOI: 10.35754/0234-5730-2022-67-4-570-578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Introduction. The most widely accepted notion of the function of blood clotting factor XII (FXII, Hageman factor) is its involvement in the internal blood clotting pathway. However, the biological role of FXII is diverse.Aim – to review the diverse biological functions of FXII.Main findings. FXII is a serine protease. The structure of FXII has a high degree of homology with plasminogen, tissue plasminogen activator and urokinase plasminogen activator. Activated FXII (FXIIa) has five substrates: high-molecular kininogen, precallikrein, FXI, plasminogen, complement proteins (C1s, C1r). FXII provides hemostatic balance by participating in the processes of blood clotting and fibrinolysis. FXII regulates inflammatory and allergic reactions by interacting with the kallikreinkinin system and the complement system. FXII has biological activity in various cells in vivo: endotheliocytes, platelets, monocytes, neutrophils, fi broblasts, dendritic cells, which determines its diverse role in physiological and pathological processes.
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26
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Neutrophils: As a Key Bridge between Inflammation and Thrombosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1151910. [PMID: 36408343 PMCID: PMC9668459 DOI: 10.1155/2022/1151910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/14/2022] [Accepted: 09/29/2022] [Indexed: 11/10/2022]
Abstract
Immunothrombosis is a mechanism of defense of the organism against pathogenic microorganisms that increases their recognition, limitation, and clearance and is part of the innate immune defense. Physiological immunothrombosis is beneficial to the body against the invasion of pathogenic microorganisms, but when immunothrombosis is out of control, it is easy to cause thrombotic diseases, thus, causing unpredictable consequences to the body. Neutrophils play a pivotal role in this process. Understanding the mechanism of neutrophils in immune thrombosis and out-of-control is particularly important for the treatment of related thrombotic diseases. In this review, we studied the role of neutrophils in immune thrombosis and each link out of control (including endothelial cell dysfunction; activation of platelets; activation of coagulation factor; inhibition of the anticoagulation system; and inhibition of the fibrinolysis system).
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27
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Gleeson TA, Nordling E, Kaiser C, Lawrence CB, Brough D, Green JP, Allan SM. Looking into the IL-1 of the storm: are inflammasomes the link between immunothrombosis and hyperinflammation in cytokine storm syndromes? DISCOVERY IMMUNOLOGY 2022; 1:kyac005. [PMID: 38566906 PMCID: PMC10917224 DOI: 10.1093/discim/kyac005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/17/2022] [Accepted: 09/13/2022] [Indexed: 04/04/2024]
Abstract
Inflammasomes and the interleukin (IL)-1 family of cytokines are key mediators of both inflammation and immunothrombosis. Inflammasomes are responsible for the release of the pro-inflammatory cytokines IL-1β and IL-18, as well as releasing tissue factor (TF), a pivotal initiator of the extrinsic coagulation cascade. Uncontrolled production of inflammatory cytokines results in what is known as a "cytokine storm" leading to hyperinflammatory disease. Cytokine storms can complicate a variety of diseases and results in hypercytokinemia, coagulopathies, tissue damage, multiorgan failure, and death. Patients presenting with cytokine storm syndromes have a high mortality rate, driven in part by disseminated intravascular coagulation (DIC). While our knowledge on the factors propagating cytokine storms is increasing, how cytokine storm influences DIC remains unknown, and therefore treatments for diseases, where these aspects are a key feature are limited, with most targeting specific cytokines. Currently, no therapies target the immunothrombosis aspect of hyperinflammatory syndromes. Here we discuss how targeting the inflammasome and pyroptosis may be a novel therapeutic strategy for the treatment of hyperinflammation and its associated pathologies.
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Affiliation(s)
- Tara A Gleeson
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Erik Nordling
- Swedish Orphan Biovitrum AB, Stockholm 112 76, Sweden
| | | | - Catherine B Lawrence
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - David Brough
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Jack P Green
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Stuart M Allan
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
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28
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Cruz MA, Bohinc D, Andraska EA, Alvikas J, Raghunathan S, Masters NA, van Kleef ND, Bane KL, Hart K, Medrow K, Sun M, Liu H, Haldeman S, Banerjee A, Lessieur EM, Hageman K, Gandhi A, de la Fuente M, Nieman MT, Kern TS, Maas C, de Maat S, Neeves KB, Neal MD, Sen Gupta A, Stavrou EX. Nanomedicine platform for targeting activated neutrophils and neutrophil-platelet complexes using an α 1-antitrypsin-derived peptide motif. NATURE NANOTECHNOLOGY 2022; 17:1004-1014. [PMID: 35851383 PMCID: PMC9909445 DOI: 10.1038/s41565-022-01161-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 05/24/2022] [Indexed: 05/30/2023]
Abstract
Targeted drug delivery to disease-associated activated neutrophils can provide novel therapeutic opportunities while avoiding systemic effects on immune functions. We created a nanomedicine platform that uniquely utilizes an α1-antitrypsin-derived peptide to confer binding specificity to neutrophil elastase on activated neutrophils. Surface decoration with this peptide enabled specific anchorage of nanoparticles to activated neutrophils and platelet-neutrophil aggregates, in vitro and in vivo. Nanoparticle delivery of a model drug, hydroxychloroquine, demonstrated significant reduction of neutrophil activities in vitro and a therapeutic effect on murine venous thrombosis in vivo. This innovative approach of cell-specific and activation-state-specific targeting can be applied to several neutrophil-driven pathologies.
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Affiliation(s)
- Michelle A Cruz
- Department of Pathology, Immunology Training Program, CWRU School of Medicine, Cleveland, OH, USA
| | - Dillon Bohinc
- Department of Medicine, Hematology and Oncology Division, CWRU School of Medicine, Cleveland, OH, USA
| | - Elizabeth A Andraska
- Department of Surgery, Division of Vascular Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Jurgis Alvikas
- Department of Surgery, Pittsburgh Trauma Research Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Shruti Raghunathan
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Nicole A Masters
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, USA
| | - Nadine D van Kleef
- CDL Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Kara L Bane
- Department of Medicine, Hematology and Oncology Division, CWRU School of Medicine, Cleveland, OH, USA
| | - Kathryn Hart
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Kathryn Medrow
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Michael Sun
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Haitao Liu
- Department of Ophthalmology, Children's Hospital of University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Shannon Haldeman
- Department of Surgery, Pittsburgh Trauma Research Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ankush Banerjee
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Emma M Lessieur
- Center for Translational Vision Research, Gavin Herbert Eye Institute, University of California Irvine, Irvine, CA, USA
| | - Kara Hageman
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA
| | - Agharnan Gandhi
- Department of Medicine, Hematology and Oncology Division, CWRU School of Medicine, Cleveland, OH, USA
| | | | - Marvin T Nieman
- Department of Pharmacology, CWRU School of Medicine, Cleveland, OH, USA
| | - Timothy S Kern
- Center for Translational Vision Research, Gavin Herbert Eye Institute, University of California Irvine, Irvine, CA, USA
- Veterans Administration Medical Center Research Service, Long Beach, CA, USA
| | - Coen Maas
- CDL Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Steven de Maat
- CDL Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Keith B Neeves
- Department of Bioengineering and Pediatrics, Section of Hematology, Oncology, and Bone Marrow Transplant Hemophilia and Thrombosis Center, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, USA
| | - Matthew D Neal
- Department of Surgery, Pittsburgh Trauma Research Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Anirban Sen Gupta
- Department of Pathology, Immunology Training Program, CWRU School of Medicine, Cleveland, OH, USA.
- Department of Biomedical Engineering, Case Western Reserve University (CWRU), Cleveland, OH, USA.
- Department of Pharmacology, CWRU School of Medicine, Cleveland, OH, USA.
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA.
| | - Evi X Stavrou
- Department of Medicine, Hematology and Oncology Division, CWRU School of Medicine, Cleveland, OH, USA.
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA.
- Department of Medicine, Section of Hematology-Oncology, Louis Stokes Veterans Administration Medical Center, Cleveland, OH, USA.
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Shafqat A, Abdul Rab S, Ammar O, Al Salameh S, Alkhudairi A, Kashir J, Alkattan K, Yaqinuddin A. Emerging role of neutrophil extracellular traps in the complications of diabetes mellitus. Front Med (Lausanne) 2022; 9:995993. [PMID: 36082273 PMCID: PMC9445264 DOI: 10.3389/fmed.2022.995993] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Immune dysfunction is widely regarded as one of the central tenants underpinning the pathophysiology of diabetes mellitus (DM) and its complications. When discussing immunity, the role of neutrophils must be accounted for: neutrophils are the most abundant of the circulating immune cells and are the first to be recruited to sites of inflammation, where they contribute to host defense via phagocytosis, degranulation, and extrusion of neutrophil extracellular traps (NETs). NETs are composed of DNA associated with nuclear and cytosolic neutrophil proteins. Although originally reported as an antimicrobial strategy to prevent microbial dissemination, a growing body of evidence has implicated NETs in the pathophysiology of various autoimmune and metabolic disorders. In these disorders, NETs propagate a pathologic inflammatory response with consequent tissue injury and thrombosis. Many diabetic complications—such as stroke, retinopathy, impaired wound healing, and coronary artery disease—involve these mechanisms. Therefore, in this review, we discuss laboratory and clinical data informing our understanding of the role of NETs in the development of these complications. NET markers, including myeloperoxidase, citrullinated histone H3, neutrophil elastase, and cell-free double-stranded DNA, can easily be measured in serum or be detected via immunohistochemical/immunocytochemical staining of tissue specimens. Therefore, NET constituents potentially constitute reliable biomarkers for use in the management of diabetic patients. However, no NET-targeting drug is currently approved for the treatment of diabetic complications; a candidate drug will require the outcomes of well-designed, robust clinical trials assessing whether NET inhibition can benefit patients in terms of morbidity, quality of life, health expenditures, and mortality. Therefore, much work remains to be done in translating these encouraging pieces of data into clinical trials for NET-targeting medications to be used in the clinic.
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Affiliation(s)
- Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- *Correspondence: Areez Shafqat
| | | | - Osama Ammar
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | - Anas Alkhudairi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Junaid Kashir
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Center of Comparative Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Khaled Alkattan
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
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Evolutionary Insight into Immunothrombosis as a Healing Mechanism. Int J Mol Sci 2022; 23:ijms23158346. [PMID: 35955499 PMCID: PMC9368803 DOI: 10.3390/ijms23158346] [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: 06/20/2022] [Revised: 07/24/2022] [Accepted: 07/25/2022] [Indexed: 02/01/2023] Open
Abstract
Both invertebrates and vertebrates possess a cluster of immediate and local wound-sealing, pathogen-killing, and tissue healing responses known as immunoclotting and immunothrombosis, respectively, to cope with two life-threatening emergencies, namely, bleeding and microbial invasion. Despite their convergence in function, immunoclotting and immunothrombosis are deployed by different blood cells and intravascular multidomain proteins. In vertebrates, these proteins share some domains with intrinsic chemical affinities useful in generating cooperative networks such as pathogen and damage pattern recognition molecules. Moreover, many of the proteins involved in coagulation and fibrinolysis in humans are multifunctional molecules playing roles in other processes from inflammation to healing and beyond. In our modern society, however, the interaction of activated intravascular allosteric proteins with one another and with blood cells entails vulnerabilities posing a biological paradox: intravascular proteins that locally operate as tissue repair enhancers can nevertheless generate pathogenic processes by acting systemically. In this manuscript, we contextualize and frame the coagulation system and hemostasis through an evolutionary time scale, illustrating their role as dual players in the defense against exsanguination and pathogens while significantly influencing wound healing.
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Platelet-Neutrophil Interactions and Thrombo-inflammatory Complications in Type 2 Diabetes Mellitus. CURRENT PATHOBIOLOGY REPORTS 2022. [DOI: 10.1007/s40139-022-00229-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kılınç E, Can Timucin A, Selim Cinaroglu S, Timucin E. Modeling and dynamical analysis of the full-length structure of factor XII with zinc. J Mol Model 2022; 28:129. [PMID: 35469101 DOI: 10.1007/s00894-022-05113-y] [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: 10/12/2021] [Accepted: 04/05/2022] [Indexed: 11/24/2022]
Abstract
Zinc (II), the second most abundant transition metal in blood, binds to the initiator of the contact pathway, factor XII (FXII). This binding induces conformational changes in the structure of FXII eventually leading to its activation. Despite many in vitro and in vivo studies on zinc-mediated activation of FXII, its molecular mechanism remains elusive mainly due to absence of a full-length structural model of FXII. To this end, this study investigated the role of zinc in the structure and dynamics of the full-length structure FXII that was obtained through molecular modeling. We have used four structural templates covering more than 70% of the FXII sequence and the remaining interconnecting regions were built by loop modeling. The resulting full-length structure of FXII contained disordered regions, but in comparison to the AlphaFold (AF) prediction, our full-length model represented a more realistic structure because of the disordered regions which were modeled to yield a more compact full-length structure in our model than the AF structure. Other than the disordered regions, our model and AF prediction were highly similar. The resulting full-length FXII structure was used to generate different systems representing the zinc-bound form (holo). Further to assess the contribution of the disulfide bridges, we also analyzed the apo and holo FXII structures with oxidized or reduced cysteine side-chains. Simulations suggested zinc binding conferred rigidity to the structure, particularly to the light chain of FXII. Zinc binding alone was sufficient to limit the backbone flexibility while 15 disulfide bonds, which were scattered throughout the structure, made a less significant contribution to the backbone rigidity. Altogether our results provide insights into the first realistic full-length structure of FXII focusing on the impact of structural zinc and disulfide bridges in the dynamics of this structure.
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Affiliation(s)
- Evren Kılınç
- Department of Biophysics, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey
| | - Ahmet Can Timucin
- Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey
| | | | - Emel Timucin
- Department of Biostatistics and Medical Informatics, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey.
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Alfano D, Franco P, Stoppelli MP. Modulation of Cellular Function by the Urokinase Receptor Signalling: A Mechanistic View. Front Cell Dev Biol 2022; 10:818616. [PMID: 35493073 PMCID: PMC9045800 DOI: 10.3389/fcell.2022.818616] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/15/2022] [Indexed: 12/15/2022] Open
Abstract
Urokinase-type plasminogen activator receptor (uPAR or CD87) is a glycosyl-phosphatidyl-inositol anchored (GPI) membrane protein. The uPAR primary ligand is the serine protease urokinase (uPA), converting plasminogen into plasmin, a broad spectrum protease, active on most extracellular matrix components. Besides uPA, the uPAR binds specifically also to the matrix protein vitronectin and, therefore, is regarded also as an adhesion receptor. Complex formation of the uPAR with diverse transmembrane proteins, including integrins, formyl peptide receptors, G protein-coupled receptors and epidermal growth factor receptor results in intracellular signalling. Thus, the uPAR is a multifunctional receptor coordinating surface-associated pericellular proteolysis and signal transduction, thereby affecting physiological and pathological mechanisms. The uPAR-initiated signalling leads to remarkable cellular effects, that include increased cell migration, adhesion, survival, proliferation and invasion. Although this is beyond the scope of this review, the uPA/uPAR system is of great interest to cancer research, as it is associated to aggressive cancers and poor patient survival. Increasing evidence links the uPA/uPAR axis to epithelial to mesenchymal transition, a highly dynamic process, by which epithelial cells can convert into a mesenchymal phenotype. Furthermore, many reports indicate that the uPAR is involved in the maintenance of the stem-like phenotype and in the differentiation process of different cell types. Moreover, the levels of anchor-less, soluble form of uPAR, respond to a variety of inflammatory stimuli, including tumorigenesis and viral infections. Finally, the role of uPAR in virus infection has received increasing attention, in view of the Covid-19 pandemics and new information is becoming available. In this review, we provide a mechanistic perspective, via the detailed examination of consolidated and recent studies on the cellular responses to the multiple uPAR activities.
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Meyers S, Crescente M, Verhamme P, Martinod K. Staphylococcus aureus and Neutrophil Extracellular Traps: The Master Manipulator Meets Its Match in Immunothrombosis. Arterioscler Thromb Vasc Biol 2022; 42:261-276. [PMID: 35109674 PMCID: PMC8860219 DOI: 10.1161/atvbaha.121.316930] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Over the past 10 years, neutrophil extracellular traps (NETs) have become widely accepted as an integral player in immunothrombosis, due to their complex interplay with both pathogens and components of the coagulation system. While the release of NETs is an attempt by neutrophils to trap pathogens and constrain infections, NETs can have bystander effects on the host by inducing uncontrolled thrombosis, inflammation, and tissue damage. From an evolutionary perspective, pathogens have adapted to bypass the host innate immune response. Staphylococcus aureus (S. aureus), in particular, proficiently overcomes NET formation using several virulence factors. Here we review mechanisms of NET formation and how these are intertwined with platelet activation, the release of endothelial von Willebrand factor, and the activation of the coagulation system. We discuss the unique ability of S. aureus to modulate NET formation and alter released NETs, which helps S. aureus to escape from the host's defense mechanisms. We then discuss how platelets and the coagulation system could play a role in NET formation in S. aureus-induced infective endocarditis, and we explain how targeting these complex cellular interactions could reveal novel therapies to treat this disease and other immunothrombotic disorders.
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Affiliation(s)
- Severien Meyers
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KU Leuven, Belgium (S.M., M.C., P.V., K.M.)
| | - Marilena Crescente
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KU Leuven, Belgium (S.M., M.C., P.V., K.M.).,Department of Life Sciences, Manchester Metropolitan University, United Kingdom (M.C.)
| | - Peter Verhamme
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KU Leuven, Belgium (S.M., M.C., P.V., K.M.)
| | - Kimberly Martinod
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KU Leuven, Belgium (S.M., M.C., P.V., K.M.)
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Zheng W, Zhu Z, Shi Y, Wen S, Ye L, Man M, Yang B, Liu Z. Neutrophils and their extracellular traps impair ablative fractional carbon dioxide laser-induced dermal remolding in mice. Lasers Surg Med 2022; 54:779-789. [PMID: 35181891 DOI: 10.1002/lsm.23526] [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: 12/17/2021] [Revised: 01/30/2022] [Accepted: 02/06/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Ablative fractional CO2 laser (AFL) therapy is an effective intervention to induce dermal remodeling. AFL treatment of the skin triggers the recruitment of immune cells, with neutrophils dominating the early phase. However, the role of recruited neutrophils in AFL-induced microinjuries and their subsequent dermal remodeling capacity remains elusive. MATERIALS AND METHODS A mouse model of AFL-induced dermal remodeling was established. RNA sequencing was used to identify the prominent features of AFL-treated tissues. Histological analysis, including H&E and Masson staining, ultrastructure observation by transmission microscopy, immunofluorescence, and quantitative real-time polymerase chain reaction were used for dermal remodeling analysis. Moreover, AFL-treated mice were intraperitoneally injected with anti-mouse Ly6G antibodies to deplete neutrophils. Neutrophil extracellular traps (NETs) were explored using immunofluorescence, transmission microscopy, and in vitro coculture experiments. RESULTS Dermal remodeling, characterized by an increased number of CD31-positve vessels and elevated messenger RNA (mRNA) expression of genes encoding transforming growth factor-β (TGF-β), collagen I, and collagen III, was observed at 15 days after AFL treatment. In the AFL-induced inflammation phase, RNA sequencing identified neutrophil chemotaxis, and degranulation genes were significantly enriched. Histology and immunofluorescence staining of human and mouse tissues harvested at Day 1 after AFL treatment revealed significant neutrophil infiltration surrounding thermal-induced microinjuries. Neutrophil depletion decreased the expression of stress-related genes such as S100A8 and S100A9 in the early phase following AFL treatment. Importantly, neutrophil depletion enhanced dermal remodeling at Day 15, as reflected by enrichment of the extracellular matrix and collagen biosynthesis genes based on RNA sequencing. Moreover, increased collagen I, collagen III, and TGF-β mRNA expression, increased cell proliferation, and vascularity were observed. Interestingly, NETs, which could be induced by AFL-treated fibroblasts in vitro, were identified in both human and mouse tissues on Day 1 after AFL treatment. CONCLUSIONS AFL-treated human and mouse skin recruited a large number of neutrophils. The neutrophil surge impaired dermal remodeling in mice. The microenvironment and fibroblast functional modulation mediated by neutrophil degranulation and NET formation were determined to be the underlying mechanisms. Our results indicate that modification of infiltrated neutrophil activity might be a potential therapeutic target for AFL-induced dermal remodeling.
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Affiliation(s)
- Wenyue Zheng
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Zhenlai Zhu
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Yanqiang Shi
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Si Wen
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Li Ye
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Maoqiang Man
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Bin Yang
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
| | - Zhenfeng Liu
- Dermatology Hospital, Southern Medical University, Guangzhou, Guangdong, P. R. China
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Ahmad Z, Somanath PR. AKT Isoforms in the Immune Response in Cancer. Curr Top Microbiol Immunol 2022; 436:349-366. [PMID: 36243852 DOI: 10.1007/978-3-031-06566-8_15] [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] [Indexed: 06/16/2023]
Abstract
AKT is a protein kinase that exists in three isoforms: AKT1, AKT2, and AKT3. Though similar in structure, these isoforms display different effects. AKT is activated downstream of PI3K, and together, this signaling pathway helps regulate cellular processes including cell growth, proliferation, metabolism, survival, and apoptosis. Disruption in these pathways has been associated with disorders including cardiovascular diseases, developmental disorders, inflammatory responses, autoimmune diseases, neurologic disorders, type 2 diabetes, and several cancers. In cancer, deregulation in the PI3K/AKT pathway can be manifested as tumorigenesis, pathological angiogenesis, and metastasis. Increased activity has been correlated with tumor progression and resistance to cancer treatments. Recent studies have suggested that inhibition of the PI3K/AKT pathway plays a significant role in the development, expansion, and proliferation of cells of the immune system. Additionally, AKT has been found to play an important role in differentiating regulatory T cells, activating B cells, and augmenting tumor immunosurveillance. This emphasizes AKT as a potential target for inhibition in cancer therapy. This chapter reviews AKT structure and regulation, its different isoforms, its role in immune cells, and its modulation in oncotherapy.
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Affiliation(s)
- Zayd Ahmad
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, 30912, USA
| | - Payaningal R Somanath
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, 30912, USA.
- Georgia Cancer Center, Vascular Biology Center and Department of Medicine, Augusta University, Augusta, GA, 30912, USA.
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Wichaiyo S, Svasti S, Supharattanasitthi W, Morales NP. Dasatinib induces loss of vascular integrity and promotes cutaneous wound repair in mice. J Thromb Haemost 2021; 19:3154-3167. [PMID: 34402195 DOI: 10.1111/jth.15499] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/14/2021] [Accepted: 08/13/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Inflammatory bleeding due to depletion of platelet glycoprotein VI (GPVI) and C-type lectin-like receptor 2 (CLEC-2) has been proposed as a potential novel mechanism to promote skin wound healing. Dasatinib inhibits a broad range of tyrosine kinases, including Src and Syk, the signaling molecules downstream of GPVI and CLEC-2. OBJECTIVES To investigate whether dasatinib affects skin wound healing. METHODS A single (4-mm diameter) full-thickness excisional skin wound was generated in mice. Dasatinib (5 or 10 mg/kg) or dimethyl sulfoxide (DMSO) vehicle was intraperitoneally injected daily during the first 4 days. The wound was monitored over 9 days post injury. RESULTS Dasatinib induced loss of vascular integrity during the inflammatory phase of wound repair (day 1 to day 3 post injury), which was associated with the inhibition of platelet function stimulated by collagen and rhodocytin, the ligands for GPVI and CLEC-2, respectively. Dasatinib-treated mice, particularly at 5 mg/kg, exhibited accelerated wound closure compared to DMSO-treated controls. Transient bleeding into the wound during the inflammatory phase in dasatinib-treated mice allowed for extravasation of fibrinogen. The increased deposition of fibrinogen and fibrin in the wound on day 3 post injury was associated with the augmented progression of re-epithelialization and angiogenesis, attenuated infiltration of neutrophils and macrophages, and decreased levels of tumor necrosis factor-α (TNF-α). CONCLUSIONS Our data show that dasatinib promotes skin wound healing, and the mechanisms include blocking GPVI- and CLEC-2-mediated platelet activation, leading to self-limited inflammatory bleeding and fibrinogen/fibrin deposition, in association with reduced inflammation, increased re-epithelialization, and enhanced angiogenesis.
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Affiliation(s)
- Surasak Wichaiyo
- Department of Pharmacology, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- Centre of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Saovaros Svasti
- Thalassemia Research Center, Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Wasu Supharattanasitthi
- Centre of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- Department of Physiology, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
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The versatile role of the contact system in cardiovascular disease, inflammation, sepsis and cancer. Biomed Pharmacother 2021; 145:112429. [PMID: 34801854 DOI: 10.1016/j.biopha.2021.112429] [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: 10/15/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 11/24/2022] Open
Abstract
The human contact system consists of plasma proteins, which - after contact to foreign surfaces - are bound to them, thereby activating the zymogens of the system into enzymes. This activation mechanism gave the system its name - contact system. It is considered as a procoagulant and proinflammatory response mechanism, as activation finally leads to the generation of fibrin and bradykinin. To date, no physiological processes have been described that are mediated by contact activation. However, contact system factors play a pathophysiological role in numerous diseases, such as cardiovascular diseases, arthritis, colitis, sepsis, and cancer. Contact system factors are therefore an interesting target for new therapeutic options in different clinical conditions.
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Ciepiela O, Małecka-Giełdowska M, Czyżewska E. Neutrophil Extracellular Traps (NETs) and Hypercoagulability in Plasma Cell Dyscrasias-Is This Phenomenon Worthy of Exploration? J Clin Med 2021; 10:jcm10225243. [PMID: 34830525 PMCID: PMC8624472 DOI: 10.3390/jcm10225243] [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: 09/28/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 11/16/2022] Open
Abstract
Plasma cell dyscrasias (PCDs) are neoplastic diseases derived from plasma cells. Patients suffering from PCDs are at high risk of hypercoagulability and thrombosis. These conditions are associated with disease-related factors, patient-related factors, or the use of immunomodulatory drugs. As PCDs belong to neoplastic diseases, some other factors related to the cancer-associated hypercoagulability state in the course of PCDs are also considered. One of the weakest issues studied in PCDs is the procoagulant activity of neutrophil extracellular traps (NETs). NETs are web-like structures released from neutrophils in response to different stimuli. These structures are made of deoxyribonucleic acid (DNA) and bactericidal proteins, such as histones, myeloperoxidase, neutrophil elastase, and over 300 other proteins, which are primarily stored in neutrophil granules. NETs immobilize, inactivate the pathogens, and expose them to specialized cells of immune response. Despite their pivotal role in innate immunity, they contribute to the development and exacerbation of autoimmune diseases, trigger inflammatory response, or even facilitate the formation of cancer metastases. NETs were also found to induce activity of coagulation and are considered one of the most important factors inducing thrombosis. Here, we summarize how PCDs influence the release of NETs, and hypothesize whether NETs contribute to hypercoagulability in PCDs patients.
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Crosstalk between the renin-angiotensin, complement and kallikrein-kinin systems in inflammation. Nat Rev Immunol 2021; 22:411-428. [PMID: 34759348 PMCID: PMC8579187 DOI: 10.1038/s41577-021-00634-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2021] [Indexed: 12/28/2022]
Abstract
During severe inflammatory and infectious diseases, various mediators modulate the equilibrium of vascular tone, inflammation, coagulation and thrombosis. This Review describes the interactive roles of the renin–angiotensin system, the complement system, and the closely linked kallikrein–kinin and contact systems in cell biological functions such as vascular tone and leakage, inflammation, chemotaxis, thrombosis and cell proliferation. Specific attention is given to the role of these systems in systemic inflammation in the vasculature and tissues during hereditary angioedema, cardiovascular and renal glomerular disease, vasculitides and COVID-19. Moreover, we discuss the therapeutic implications of these complex interactions, given that modulation of one system may affect the other systems, with beneficial or deleterious consequences. The renin–angiotensin, complement and kallikrein–kinin systems comprise a multitude of mediators that modulate physiological responses during inflammatory and infectious diseases. This Review investigates the complex interactions between these systems and how these are dysregulated in various conditions, including cardiovascular diseases and COVID-19, as well as their therapeutic implications.
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Mailer RK, Rangaswamy C, Konrath S, Emsley J, Renné T. An update on factor XII-driven vascular inflammation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1869:119166. [PMID: 34699874 DOI: 10.1016/j.bbamcr.2021.119166] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 10/01/2021] [Accepted: 10/11/2021] [Indexed: 12/11/2022]
Abstract
The plasma protein factor XII (FXII) is the liver-derived zymogen of the serine protease FXIIa that initiates an array of proteolytic cascades. Zymogen activation, enzymatic FXIIa activity and functions are regulated by interactions with cell receptors, negatively charged surfaces, other serine proteases, and serpin inhibitors, which bind to distinct protein domains and regions in FXII(a). FXII exerts mitogenic activity, while FXIIa initiates the pro-inflammatory kallikrein-kinin pathway and the pro-thrombotic intrinsic coagulation pathway, respectively. Growing evidence indicates that FXIIa-mediated thrombo-inflammation plays a crucial role in various pathological states besides classical thrombosis, such as endothelial dysfunction. Consistently, increased FXIIa levels are associated with hypercholesterolemia and hypertriglyceridemia. In contrast, FXII deficiency protects from thrombosis but is otherwise not associated with prolonged bleeding or other adverse clinical manifestations. Here, we review current concepts for FXII(a)-driven vascular inflammation focusing on endothelial hyperpermeability, receptor signaling, atherosclerosis and immune cell activation.
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Affiliation(s)
- Reiner K Mailer
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Chandini Rangaswamy
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sandra Konrath
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jonas Emsley
- Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Center for Thrombosis and Hemostasis (CTH), Johannes Gutenberg University Medical Center, Mainz, Germany.
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Zhu S, Yu Y, Ren Y, Xu L, Wang H, Ling X, Jin L, Hu Y, Zhang H, Miao C, Guo K. The emerging roles of neutrophil extracellular traps in wound healing. Cell Death Dis 2021; 12:984. [PMID: 34686654 PMCID: PMC8536667 DOI: 10.1038/s41419-021-04294-3] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/27/2021] [Accepted: 10/06/2021] [Indexed: 12/20/2022]
Abstract
Delayed wound healing causes problems for many patients both physically and psychologically, contributing to pain, economic burden, loss of function, and even amputation. Although many factors affect the wound healing process, abnormally prolonged or augmented inflammation in the wound site is a common cause of poor wound healing. Excessive neutrophil extracellular trap (NET) formation during this phase may amplify inflammation and hinder wound healing. However, the roles of NETs in wound healing are still unclear. Herein, we briefly introduce NET formation and discuss the possible NET-related mechanisms in wound healing. We conclude with a discussion of current studies, focusing on the roles of NETs in diabetic and normoglycemic wounds and the effectiveness of NET-targeting treatments in wound healing.
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Affiliation(s)
- Shuainan Zhu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ying Yu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yun Ren
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Liying Xu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Huilin Wang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaomin Ling
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lin Jin
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yan Hu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Zhang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Changhong Miao
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Kefang Guo
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
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Padilla S, Nurden AT, Prado R, Nurden P, Anitua E. Healing through the lens of immunothrombosis: Biology-inspired, evolution-tailored, and human-engineered biomimetic therapies. Biomaterials 2021; 279:121205. [PMID: 34710794 DOI: 10.1016/j.biomaterials.2021.121205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/30/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022]
Abstract
Evolution, from invertebrates to mammals, has yielded and shaped immunoclotting as a defense and repair response against trauma and infection. This mosaic of immediate and local wound-sealing and pathogen-killing mechanisms results in survival, restoration of homeostasis, and tissue repair. In mammals, immunoclotting has been complemented with the neuroendocrine system, platelets, and contact system among other embellishments, adding layers of complexity through interconnecting blood-born proteolytic cascades, blood cells, and the neuroendocrine system. In doing so, immunothrombosis endows humans with survival advantages, but entails vulnerabilities in the current unprecedented and increasingly challenging environment. Immunothrombosis and tissue repair appear to go hand in hand with common mechanisms mediating both processes, a fact that is underlined by recent advances that are deciphering the mechanisms of the repair process and of the biochemical pathways that underpins coagulation, hemostasis and thrombosis. This review is intended to frame both the universal aspects of tissue repair and the therapeutic use of autologous fibrin matrix as a biology-as-a-drug approach in the context of the evolutionary changes in coagulation and hemostasis. In addition, we will try to shed some light on the molecular mechanisms underlying the use of the autologous fibrin matrix as a biology-inspired, evolution-tailored, and human-engineered biomimetic therapy.
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Affiliation(s)
- Sabino Padilla
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
| | - Alan T Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Roberto Prado
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Paquita Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Eduardo Anitua
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
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Searle AK, Chen YC, Wallert M, McFadyen J, Maluenda A, Noonan J, Kanellakis P, Zaldivia MT, Huang A, Lioe H, Biondo M, Nolte MW, Rossato P, Bobik A, Panousis C, Wang X, Hosseini H, Peter K. Pharmacological inhibition of Factor XIIa attenuates abdominal aortic aneurysm, reduces atherosclerosis, and stabilizes atherosclerotic plaques. Thromb Haemost 2021; 122:196-207. [PMID: 34619795 PMCID: PMC8820844 DOI: 10.1055/a-1663-8208] [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] [Indexed: 11/12/2022]
Abstract
Background
3F7 is a monoclonal antibody targeting the enzymatic pocket of activated factor XII (FXIIa), thereby inhibiting its catalytic activity. Given the emerging role of FXIIa in promoting thromboinflammation, along with its apparent redundancy for hemostasis, the selective inhibition of FXIIa represents a novel and highly attractive approach targeting pathogenic processes that cause thromboinflammation-driven cardiovascular diseases.
Methods
The effects of FXIIa inhibition were investigated using three distinct mouse models of cardiovascular disease—angiotensin II-induced abdominal aortic aneurysm (AAA), an ApoE
−/−
model of atherosclerosis, and a tandem stenosis model of atherosclerotic plaque instability. 3F7 or its isotype control, BM4, was administered to mice (10 mg/kg) on alternate days for 4 to 8 weeks, depending on the experimental model. Mice were examined for the development and size of AAAs, or the burden and instability of atherosclerosis and associated markers of inflammation.
Results
Inhibition of FXIIa resulted in a reduced incidence of larger AAAs, with less acute aortic ruptures and an associated fibro-protective phenotype. FXIIa inhibition also decreased stable atherosclerotic plaque burden and achieved plaque stabilization associated with increased deposition of fibrous structures, a >2-fold thicker fibrous cap, increased cap-to-core ratio, and reduction in localized and systemic inflammatory markers.
Conclusion
Inhibition of FXIIa attenuates disease severity across three mouse models of thromboinflammation-driven cardiovascular diseases. Specifically, the FXIIa-inhibiting monoclonal antibody 3F7 reduces AAA severity, inhibits the development of atherosclerosis, and stabilizes vulnerable plaques. Ultimately, clinical trials in patients with cardiovascular diseases such as AAA and atherosclerosis are warranted to demonstrate the therapeutic potential of FXIIa inhibition.
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Affiliation(s)
- Amy K Searle
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Yung Chih Chen
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Maria Wallert
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - James McFadyen
- Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Ana Maluenda
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Jonathan Noonan
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Peter Kanellakis
- Atherosclerosis and Cell Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Maria Tk Zaldivia
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Angela Huang
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Hadi Lioe
- Bio21 Institute, CSL Limited, Parkville, Australia
| | - Mark Biondo
- Bio21 Institute, CSL Limited, Parkville, Australia
| | | | | | - Alex Bobik
- Atherosclerosis and Cell Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Con Panousis
- Bio21 Institute, CSL Limited, Parkville, Australia
| | - Xiaowei Wang
- Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Hamid Hosseini
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology, Baker Heart Research Institute - BHRI, Melbourne, Australia
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Konrath S, Mailer RK, Renné T. Mechanism, Functions, and Diagnostic Relevance of FXII Activation by Foreign Surfaces. Hamostaseologie 2021; 41:489-501. [PMID: 34592776 DOI: 10.1055/a-1528-0499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Factor XII (FXII) is a serine protease zymogen produced by hepatocytes and secreted into plasma. The highly glycosylated coagulation protein consists of six domains and a proline-rich region that regulate activation and function. Activation of FXII results from a conformational change induced by binding ("contact") with negatively charged surfaces. The activated serine protease FXIIa drives both the proinflammatory kallikrein-kinin pathway and the procoagulant intrinsic coagulation cascade, respectively. Deficiency in FXII is associated with a prolonged activated partial thromboplastin time (aPTT) but not with an increased bleeding tendency. However, genetic or pharmacological deficiency impairs both arterial and venous thrombosis in experimental models. This review summarizes current knowledge of FXII structure, mechanisms of FXII contact activation, and the importance of FXII for diagnostic coagulation testing and thrombosis.
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Affiliation(s)
- Sandra Konrath
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Reiner K Mailer
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Garnier E, Levard D, Ali C, Buendia I, Hommet Y, Gauberti M, Crepaldi T, Comoglio P, Rubio M, Vivien D, Docagne F, Martinez de Lizarrondo S. Factor XII protects neurons from apoptosis by epidermal and hepatocyte growth factor receptor-dependent mechanisms. J Thromb Haemost 2021; 19:2235-2247. [PMID: 34060720 DOI: 10.1111/jth.15414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 05/21/2021] [Accepted: 05/24/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Factor XII (FXII) is a serine protease that participates in the intrinsic coagulation pathway. Several studies have shown that plasma FXII exerts a deleterious role in cerebral ischemia and traumatic brain injury by promoting thrombo-inflammation. Nevertheless, the impact of FXII on neuronal cell fate remains unknown. OBJECTIVES We investigated the role of FXII and FXIIa in neuronal injury and apoptotic cell death. METHODS We tested the neuroprotective roles of FXII and FXIIa in an experimental model of neuronal injury induced by stereotaxic intracerebral injection of N-methyl-D-aspartic acid (NMDA) in vivo and in a model of apoptotic death of murine primary neuronal cultures through serum deprivation in vitro. RESULTS Here, we found that exogenous FXII and FXIIa reduce brain lesions induced by NMDA injection in vivo. Furthermore, FXII protects cultured neurons from apoptosis through a growth factor--like effect. This mechanism was triggered by direct interaction with epidermal growth factor (EGF) receptor and subsequent activation of this receptor. Interestingly, the "proteolytically" active and two-chain form of FXII, FXIIa, exerts its protective effects by an alternative signaling pathway. FXIIa activates the pro-form of hepatocyte growth factor (HGF) into HGF, which in turn activated the HGF receptor (HGFR) pathway. CONCLUSION This study describes two novel mechanisms of action of FXII and identifies neurons as target cells for the protective effects of single and two-chain forms of FXII. Therefore, inhibition of FXII in neurological disorders may have deleterious effects by preventing its beneficial effects on neuronal survival.
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Affiliation(s)
- Eugénie Garnier
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Damien Levard
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Carine Ali
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Izaskun Buendia
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Yannick Hommet
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Maxime Gauberti
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Tiziana Crepaldi
- Candiolo Cancer Institute FPO-IRCCS, Candiolo, Italy
- Department of Oncology, University of Torino Medical School, Candiolo, Italy
| | | | - Marina Rubio
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Denis Vivien
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
- CHU Caen, Department of Clinical Research, CHU Caen Côte de Nacre, Caen, France
| | - Fabian Docagne
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
| | - Sara Martinez de Lizarrondo
- Normandie Univ, Unicaen, Inserm, Physiopathology and imaging of neurological disorders (PhIND), Caen, France
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Costa R, Costa Lima SA, Gameiro P, Reis S. On the Development of a Cutaneous Flavonoid Delivery System: Advances and Limitations. Antioxidants (Basel) 2021; 10:1376. [PMID: 34573007 PMCID: PMC8472229 DOI: 10.3390/antiox10091376] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/09/2021] [Accepted: 08/19/2021] [Indexed: 12/11/2022] Open
Abstract
Flavonoids are one of the vital classes of natural polyphenolic compounds abundantly found in plants. Due to their wide range of therapeutic properties, which include antioxidant, anti-inflammatory, photoprotective, and depigmentation effects, flavonoids have been demonstrated to be promising agents in the treatment of several skin disorders. However, their lipophilic nature and poor water solubility invariably lead to limited oral bioavailability. In addition, they are rapidly degraded and metabolized in the human body, hindering their potential contribution to the prevention and treatment of many disorders. Thus, to overcome these challenges, several cutaneous delivery systems have been extensively studied. Topical drug delivery besides offering an alternative administration route also ensures a sustained release of the active compound at the desired site of action. Incorporation into lipid or polymer-based nanoparticles appears to be a highly effective approach for cutaneous delivery of flavonoids with good encapsulation potential and reduced toxicity. This review focuses on currently available formulations used to administer either topically or systemically different classes of flavonoids in the skin, highlighting their potential application as therapeutic and preventive agents.
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Affiliation(s)
- Raquel Costa
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.C.); (S.A.C.L.)
- LAQV, REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal;
| | - Sofia A. Costa Lima
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.C.); (S.A.C.L.)
| | - Paula Gameiro
- LAQV, REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal;
| | - Salette Reis
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.C.); (S.A.C.L.)
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Zapponi KCS, Orsi FA, Cunha JLR, de Brito IR, Romano AVC, Bittar LF, De Paula EV, Penteado CF, Montalvão S, Annichino-Bizzacchi JM. Neutrophil activation and circulating neutrophil extracellular traps are increased in venous thromboembolism patients for at least one year after the clinical event. J Thromb Thrombolysis 2021; 53:30-42. [PMID: 34449018 PMCID: PMC8791881 DOI: 10.1007/s11239-021-02526-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/04/2021] [Indexed: 12/23/2022]
Abstract
Neutrophil activation and neutrophil extracellular traps (NETs) have been associated with the pathogenesis of venous thromboembolism (VTE). Considering VTE-associated chronic sequelae, which suggest that some pathological mechanisms remain after the acute episode, we investigated whether neutrophil activation is increased in patients with a prior VTE at least one year before this investigation. Thirty-seven patients with prior VTE and 37 individuals with no history of VTE were included. Neutrophil activity was evaluated by the expression of the adhesive molecule activation-specific epitopes LFA-1 (CD11a) and MAC-1 (CD11b), chemotaxis, reactive oxygen species (ROS) and by MPO-DNA complexes as markers of NETs. The adhesive molecules sICAM-1 and sVCAM-1, involved in the cross talk between neutrophil and endothelial cells, were also evaluated. Patient neutrophils presented increased CD11a expression before and after TNF-α stimulus, whereas increased CD11b expression was observed only after TNF-α stimulus, as compared to controls. Neutrophil chemotaxis on both, basal state and after IL-8 stimulus, on circulating levels of sICAM-1 and sVCAM-1, and on MPO-DNA complexes were also increased in VTE patients. ROS release was similar between patients and controls. This is, to our knowledge, the first study to investigate neutrophil inflammatory activity in VTE patients a long period after an acute event (approximately 2 years). The results showed altered neutrophil activation patterns in these patients. While activated neutrophils can cause endothelial activation and injury, the activated endothelium can induce the release of NETs with consequent endothelial cytotoxicity, creating a vicious cycle of activation between neutrophils and endothelium that can lead to thrombosis.
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Affiliation(s)
- Kiara C. S. Zapponi
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
| | - Fernanda A. Orsi
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas, Campinas, SP Brazil
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - José Luiz R. Cunha
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas, Campinas, SP Brazil
| | - Ingrid R. de Brito
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas, Campinas, SP Brazil
| | - Anna Virginia C. Romano
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
| | - Luis Fernando Bittar
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas, Campinas, SP Brazil
| | - Erich Vinicius De Paula
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
| | - Carla F. Penteado
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
| | - Silmara Montalvão
- Hematology and Hemotherapy Center, University of Campinas, Carlos Chagas street, 480, Campinas, 13083878 Brazil
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Paskal W, Kopka M, Stachura A, Paskal AM, Pietruski P, Pełka K, Woessner AE, Quinn KP, Galus R, Wejman J, Włodarski P. Single Dose of N-Acetylcysteine in Local Anesthesia Increases Expression of HIF1α, MAPK1, TGFβ1 and Growth Factors in Rat Wound Healing. Int J Mol Sci 2021; 22:8659. [PMID: 34445365 PMCID: PMC8395485 DOI: 10.3390/ijms22168659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/03/2021] [Accepted: 08/10/2021] [Indexed: 01/13/2023] Open
Abstract
In this study, we aimed to investigate the influence of N-acetylcysteine (NAC) on the gene expression profile, neoangiogenesis, neutrophils and macrophages in a rat model of incisional wounds. Before creating wounds on the backs of 24 Sprague-Dawley rats, intradermal injections were made. Lidocaine-epinephrin solutions were supplemented with 0.015%, 0.03% or 0.045% solutions of NAC, or nothing (control group). Scars were harvested on the 3rd, 7th, 14th and 60th day post-surgery. We performed immunohistochemical staining in order to visualize macrophages (anti-CD68), neutrophils (anti-MPO) and newly formed blood vessels (anti-CD31). Additionally, RT-qPCR was used to measure the relative expression of 88 genes involved in the wound healing process. On the 14th day, the number of cells stained with anti-CD68 and anti-CD31 antibodies was significantly larger in the tissues treated with 0.03% NAC compared with the control. Among the selected genes, 52 were upregulated and six were downregulated at different time points. Interestingly, NAC exerted a significant effect on the expression of 45 genes 60 days after its administration. In summation, a 0.03% NAC addition to the pre-incisional anesthetic solution improves neovasculature and increases the macrophages' concentration at the wound site on the 14th day, as well as altering the expression of numerous genes that are responsible for the regenerative processes.
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Affiliation(s)
- Wiktor Paskal
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
| | - Michał Kopka
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
| | - Albert Stachura
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
- Doctoral School, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Adriana M. Paskal
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
| | - Piotr Pietruski
- Centre of Postgraduate Medical Education, Department of Replantation and Reconstructive Surgery, Gruca Teaching Hospital, 05-400 Otwock, Poland;
| | - Kacper Pełka
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
| | - Alan E. Woessner
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA; (A.E.W.); (K.P.Q.)
| | - Kyle P. Quinn
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA; (A.E.W.); (K.P.Q.)
| | - Ryszard Galus
- Department of Histology and Embryology, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Jarosław Wejman
- Department of Pathology, Centre of Postgraduate Medical Education, 00-416 Warsaw, Poland;
| | - Paweł Włodarski
- Department of Methodology, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.K.); (A.S.); (A.M.P.); (K.P.); (P.W.)
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50
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Ehrlich K, Wilhelm J, Markart P, Weisser H, Wolff JC, Bein G, Pak O, Barreto G, Weissmann N, Schramm F, Seeger W, Schaefer L, Kuebler WM, Wygrecka M. Sex-specific differences in plasma levels of FXII, HK, and FXIIa-C1-esterase inhibitor complexes in community acquired pneumonia. Am J Physiol Lung Cell Mol Physiol 2021; 321:L764-L774. [PMID: 34318685 DOI: 10.1152/ajplung.00162.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Sex-dependent differences in immunity and coagulation play an active role in the outcome of community-acquired pneumonia (CAP). Contact phase proteins act at the crossroads between inflammation and coagulation thus representing a point of convergence in host defense against infection. Here, we measured the levels of factor XII (FXII), FXIIa-C1 esterase inhibitor (C1INH) complexes, and high molecular weight kininogen (HK) in plasma of CAP patients and correlated them to clinical disease severity. Levels of FXIIa-C1INH/albumin ratio were elevated, irrespective of sex, in plasma of CAP patients (n=139) as compared to age-matched donors (n=58). No simultaneous decrease in FXII levels, indicating its consumption, was observed. Stratification by sex revealed augmented FXII levels in plasma of CAP women as compared to sex-matched donors yet no apparent differences in men. This sex-specific effect was, however, attributable to lower FXII levels in female donors relative to men donors. Plasma estradiol levels mirrored those for FXII. Levels of HK/albumin ratio were decreased in CAP plasma as compared to donors, however, after stratification by sex, this difference was only observed in women and was related to higher HK/albumin values in female donors as opposed to male donors. Finally, strong negative correlation between plasma levels of HK/albumin ratio and CAP severity, as assessed by CRB65 score, in males and females was observed. Our study identifies sex-dependent differences in plasma levels of the contact phase proteins in elderly subjects that may contribute to specific clinical outcomes in CAP between men and women.
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Affiliation(s)
- Kristin Ehrlich
- Center for Infection and Genomics of the Lung, University of Giessen, Giessen, Germany
| | - Jochen Wilhelm
- Department of Internal Medicine, University of Giessen, Giessen, Germany.,Institute for Lung Health, Justus-Liebig-University Giessen, Germany
| | - Philipp Markart
- Department of Internal Medicine, University of Giessen, Giessen, Germany.,Department of Pulmonary Medicine, Fulda Hospital, University Medicine Marburg, Campus Fulda, Fulda, Germany
| | - Heike Weisser
- Department of Pulmonary Medicine, Fulda Hospital, University Medicine Marburg, Campus Fulda, Fulda, Germany
| | - Jens-Christian Wolff
- Institute for Clinical Immunology and Transfusion Medicine, Justus-Liebig University, Giessen, Germany
| | - Gregor Bein
- Institute for Clinical Immunology and Transfusion Medicine, Justus-Liebig University, Giessen, Germany
| | - Oleg Pak
- Excellence Cluster Cardiopulmonary Institute, Universities of Giessen and Marburg Lung Center, Giessen, Germany
| | - Guillermo Barreto
- Brain and Lung Epigenetics (BLUE), Glycobiology, Cell Growth and Tissue Repair Research Unit (Gly-CRRET), Université Paris-Est Créteil, Créteil, France
| | - Norbert Weissmann
- Excellence Cluster Cardiopulmonary Institute, Universities of Giessen and Marburg Lung Center, Giessen, Germany
| | - Fabian Schramm
- Center for Infection and Genomics of the Lung, University of Giessen, Giessen, Germany
| | - Werner Seeger
- Department of Internal Medicine, University of Giessen, Giessen, Germany
| | - Liliana Schaefer
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt Am Main, Germany
| | | | - Malgorzata Wygrecka
- Center for Infection and Genomics of the Lung, University of Giessen, Giessen, Germany
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- Hannover Medical School, Hannover, Germany
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