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Avdonin PP, Blinova MS, Generalova GA, Emirova KM, Avdonin PV. The Role of the Complement System in the Pathogenesis of Infectious Forms of Hemolytic Uremic Syndrome. Biomolecules 2023; 14:39. [PMID: 38254639 PMCID: PMC10813406 DOI: 10.3390/biom14010039] [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: 09/30/2023] [Revised: 11/24/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Hemolytic uremic syndrome (HUS) is an acute disease and the most common cause of childhood acute renal failure. HUS is characterized by a triad of symptoms: microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. In most of the cases, HUS occurs as a result of infection caused by Shiga toxin-producing microbes: hemorrhagic Escherichia coli and Shigella dysenteriae type 1. They account for up to 90% of all cases of HUS. The remaining 10% of cases grouped under the general term atypical HUS represent a heterogeneous group of diseases with similar clinical signs. Emerging evidence suggests that in addition to E. coli and S. dysenteriae type 1, a variety of bacterial and viral infections can cause the development of HUS. In particular, infectious diseases act as the main cause of aHUS recurrence. The pathogenesis of most cases of atypical HUS is based on congenital or acquired defects of complement system. This review presents summarized data from recent studies, suggesting that complement dysregulation is a key pathogenetic factor in various types of infection-induced HUS. Separate links in the complement system are considered, the damage of which during bacterial and viral infections can lead to complement hyperactivation following by microvascular endothelial injury and development of acute renal failure.
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Affiliation(s)
- Piotr P. Avdonin
- Koltzov Institute of Developmental Biology RAS, ul. Vavilova, 26, 119334 Moscow, Russia; (M.S.B.); (P.V.A.)
| | - Maria S. Blinova
- Koltzov Institute of Developmental Biology RAS, ul. Vavilova, 26, 119334 Moscow, Russia; (M.S.B.); (P.V.A.)
| | - Galina A. Generalova
- Saint Vladimir Moscow City Children’s Clinical Hospital, 107014 Moscow, Russia; (G.A.G.); (K.M.E.)
- Department of Pediatrics, A.I. Evdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia
| | - Khadizha M. Emirova
- Saint Vladimir Moscow City Children’s Clinical Hospital, 107014 Moscow, Russia; (G.A.G.); (K.M.E.)
- Department of Pediatrics, A.I. Evdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia
| | - Pavel V. Avdonin
- Koltzov Institute of Developmental Biology RAS, ul. Vavilova, 26, 119334 Moscow, Russia; (M.S.B.); (P.V.A.)
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Pryzdial ELG, Leatherdale A, Conway EM. Coagulation and complement: Key innate defense participants in a seamless web. Front Immunol 2022; 13:918775. [PMID: 36016942 PMCID: PMC9398469 DOI: 10.3389/fimmu.2022.918775] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/06/2022] [Indexed: 12/30/2022] Open
Abstract
In 1969, Dr. Oscar Ratnoff, a pioneer in delineating the mechanisms by which coagulation is activated and complement is regulated, wrote, “In the study of biological processes, the accumulation of information is often accelerated by a narrow point of view. The fastest way to investigate the body’s defenses against injury is to look individually at such isolated questions as how the blood clots or how complement works. We must constantly remind ourselves that such distinctions are man-made. In life, as in the legal cliché, the devices through which the body protects itself form a seamless web, unwrinkled by our artificialities.” Our aim in this review, is to highlight the critical molecular and cellular interactions between coagulation and complement, and how these two major component proteolytic pathways contribute to the seamless web of innate mechanisms that the body uses to protect itself from injury, invading pathogens and foreign surfaces.
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Affiliation(s)
- Edward L. G. Pryzdial
- Centre for Blood Research, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Canadian Blood Services, Medical Affairs and Innovation, Vancouver, BC, Canada
- *Correspondence: Edward L. G. Pryzdial, ; Edward M. Conway,
| | - Alexander Leatherdale
- Centre for Blood Research, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
- Division of Hematology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Edward M. Conway
- Centre for Blood Research, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Canadian Blood Services, Medical Affairs and Innovation, Vancouver, BC, Canada
- Division of Hematology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- *Correspondence: Edward L. G. Pryzdial, ; Edward M. Conway,
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Pryzdial ELG, Sutherland MR, Lin BH, Horwitz M. Antiviral anticoagulation. Res Pract Thromb Haemost 2020; 4:774-788. [PMID: 32685886 PMCID: PMC7354393 DOI: 10.1002/rth2.12406] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/28/2020] [Accepted: 06/08/2020] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel envelope virus that causes coronavirus disease 2019 (COVID-19). Hallmarks of COVID-19 are a puzzling form of thrombophilia that has elevated D-dimer but only modest effects on other parameters of coagulopathy. This is combined with severe inflammation, often leading to acute respiratory distress and possible lethality. Coagulopathy and inflammation are interconnected by the transmembrane receptor, tissue factor (TF), which initiates blood clotting as a cofactor for factor VIIa (FVIIa)-mediated factor Xa (FXa) generation. TF also functions from within the nascent TF/FVIIa/FXa complex to trigger profound changes via protease-activated receptors (PARs) in many cell types, including SARS-CoV-2-trophic cells. Therefore, aberrant expression of TF may be the underlying basis of COVID-19 symptoms. Evidence suggests a correlation between infection with many virus types and development of clotting-related symptoms, ranging from heart disease to bleeding, depending on the virus. Since numerous cell types express TF and can act as sites for virus replication, a model envelope virus, herpes simplex virus type 1 (HSV1), has been used to investigate the uptake of TF into the envelope. Indeed, HSV1 and other viruses harbor surface TF antigen, which retains clotting and PAR signaling function. Strikingly, envelope TF is essential for HSV1 infection in mice, and the FXa-directed oral anticoagulant apixaban had remarkable antiviral efficacy. SARS-CoV-2 replicates in TF-bearing epithelial and endothelial cells and may stimulate and integrate host cell TF, like HSV1 and other known coagulopathic viruses. Combined with this possibility, the features of COVID-19 suggest that it is a TFopathy, and the TF/FVIIa/FXa complex is a feasible therapeutic target.
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Affiliation(s)
- Edward L. G. Pryzdial
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Michael R. Sutherland
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Bryan H. Lin
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Marc Horwitz
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverBCCanada
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Pryzdial ELG, Lee FMH, Lin BH, Carter RLR, Tegegn TZ, Belletrutti MJ. Blood coagulation dissected. Transfus Apher Sci 2018; 57:449-457. [PMID: 30049564 DOI: 10.1016/j.transci.2018.07.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Hemostasis is the physiological control of bleeding and is initiated by subendothelial exposure. Platelets form the primary vascular seal in three stages (localization, stimulation and aggregation), which are triggered by specific interactions between platelet surface receptors and constituents of the subendothelial matrix. As a secondary hemostatic plug, fibrin clot formation is initiated and feedback-amplified to advance the seal and stabilize platelet aggregates comprising the primary plug. Once blood leakage has been halted, the fibrinolytic pathway is initiated to dissolve the clot and restore normal blood flow. Constitutive and induced anticoagulant and antifibrinolytic pathways create a physiological balance between too much and too little clot production. Hemostatic imbalance is a major burden to global healthcare, resulting in thrombosis or hemorrhage.
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Affiliation(s)
- Edward L G Pryzdial
- Centre for Innovation, Canadian Blood Services, Ottawa, ON, Canada; Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada.
| | - Frank M H Lee
- Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Bryan H Lin
- Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Rolinda L R Carter
- Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Tseday Z Tegegn
- Centre for Innovation, Canadian Blood Services, Ottawa, ON, Canada; Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Mark J Belletrutti
- Pediatric Hematology, Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
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