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Song AB, Al-Samkari H. Adenovirus-associated thrombosis and thrombocytopenia: an emerging anti-PF4 disorder. Haematologica 2024; 109:1651-1652. [PMID: 38328867 PMCID: PMC11141636 DOI: 10.3324/haematol.2023.284460] [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: 11/14/2023] [Accepted: 01/26/2024] [Indexed: 02/09/2024] Open
Abstract
Not available.
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Affiliation(s)
- Andrew B Song
- Division of Hematology Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Hanny Al-Samkari
- Division of Hematology Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
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Wang JJ, van der Neut Kolfschoten M, Rutten L, Armour B, Tan CW, Chataway T, Bos R, Koornneef A, Abeywickrema P, Kapur R, Porcelijn L, Khalifa M, Sadi A, Bouchier P, Kourkouta E, Perkasa A, Kwaks T, Zahn R, Solforosi L, Gordon TP. Characterization of reverse-engineered anti-PF4 stereotypic antibodies derived from serum of patients with VITT. Blood 2024; 143:370-374. [PMID: 37976451 DOI: 10.1182/blood.2023021307] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023] Open
Affiliation(s)
- Jing Jing Wang
- Department of Immunology, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
- Department of Immunology, SA Pathology, Flinders Medical Centre, Bedford Park, SA, Australia
| | | | - Lucy Rutten
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | - Bridie Armour
- Department of Immunology, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
- Department of Immunology, SA Pathology, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Chee Wee Tan
- Department of Medicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
- Department of Hematology, SA Pathology, Adelaide, SA, Australia
- Department of Hematology, Royal Adelaide Hospital, Central Area Local Health Network, Adelaide, SA, Australia
| | - Tim Chataway
- Flinders Proteomics Facility, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
| | - Rinke Bos
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | | | - Pravien Abeywickrema
- Structural & Protein Sciences, Janssen Research and Development, Spring House, PA
| | - Rick Kapur
- Sanquin Research, Department of Experimental Immunohematology, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Leendert Porcelijn
- Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Midia Khalifa
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | - Ava Sadi
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | | | | | - Aditya Perkasa
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | - Ted Kwaks
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | - Roland Zahn
- Janssen Vaccines & Prevention B.V., Leiden, The Netherlands
| | | | - Tom P Gordon
- Department of Immunology, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
- Department of Immunology, SA Pathology, Flinders Medical Centre, Bedford Park, SA, Australia
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Dabbiru VAS, Müller L, Schönborn L, Greinacher A. Vaccine-Induced Immune Thrombocytopenia and Thrombosis (VITT)-Insights from Clinical Cases, In Vitro Studies and Murine Models. J Clin Med 2023; 12:6126. [PMID: 37834770 PMCID: PMC10573542 DOI: 10.3390/jcm12196126] [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: 08/10/2023] [Revised: 09/15/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
An effective worldwide vaccination campaign started and is still being carried out in the face of the coronavirus disease 2019 (COVID-19) pandemic. While vaccines are great tools to confront the pandemic, predominantly adenoviral vector-based vaccines can cause a rare severe adverse effect, termed vaccine-induced immune thrombocytopenia and thrombosis (VITT), in about 1 in 100,000 vaccinated individuals. VITT is diagnosed 5-30 days post-vaccination and clinically characterized by thrombocytopenia, strongly elevated D-dimer levels, platelet-activating anti-platelet factor 4 (PF4) antibodies and thrombosis, especially at atypical sites such as the cerebral venous sinus and/or splanchnic veins. There are striking similarities between heparin-induced thrombocytopenia (HIT) and VITT. Both are caused by anti-PF4 antibodies, causing platelet and leukocyte activation which results in massive thrombo-inflammation. However, it is still to be determined why PF4 becomes immunogenic in VITT and which constituent of the vaccine triggers the immune response. As VITT-like syndromes are increasingly reported in patients shortly after viral infections, direct virus-PF4 interactions might be most relevant. Here we summarize the current information and hypotheses on the pathogenesis of VITT and address in vivo models, especially murine models for further studies on VITT.
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Affiliation(s)
| | | | | | - Andreas Greinacher
- Institut für Transfusionsmedizin, Universitätsmedizin Greifswald, 17489 Greifswald, Germany; (V.A.S.D.); (L.M.); (L.S.)
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Roytenberg R, García-Sastre A, Li W. Vaccine-induced immune thrombotic thrombocytopenia: what do we know hitherto? Front Med (Lausanne) 2023; 10:1155727. [PMID: 37261122 PMCID: PMC10227460 DOI: 10.3389/fmed.2023.1155727] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/28/2023] [Indexed: 06/02/2023] Open
Abstract
Vaccine-induced immune thrombotic thrombocytopenia (VITT), also known as thrombosis with thrombocytopenia syndrome, is a catastrophic and life-threatening reaction to coronavirus disease 2019 (COVID-19) vaccines, which occurs disproportionately in response to vaccination with non-replicating adenovirus vector (AV) vaccines. The mechanism of VITT is not well defined and it has not been resolved why cases of VITT are predominated by vaccination with AV vaccines. However, virtually all VITT patients have positive platelet-activating anti-platelet factor 4 (PF4) antibody titers. Subsequently, platelets are activated and depleted in an Fcγ-receptor IIa (FcγRIIa or CD32a)-dependent manner, but it is not clear why or how the anti-PF4 response is mounted. This review describes the pathogenesis of VITT and provides insight into possible mechanisms that prompt the formation of a PF4/polyanion complex, which drives VITT pathology, as an amalgam of current experimental data or hypotheses.
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Affiliation(s)
- Renat Roytenberg
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, United States
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Wei Li
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV, United States
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Kanack AJ, Padmanabhan A. Vaccine-induced immune thrombotic thrombocytopenia. Best Pract Res Clin Haematol 2022; 35:101381. [PMID: 36494147 PMCID: PMC9467921 DOI: 10.1016/j.beha.2022.101381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/02/2022] [Accepted: 09/02/2022] [Indexed: 12/14/2022]
Abstract
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is primarily a complication of adenoviral vector-based covid-19 vaccination. In VITT, thrombocytopenia and thrombosis mediated by anti-platelet factor 4 (PF4) antibodies can be severe, often characterized by thrombosis at unusual sites such as the cerebral venous sinus and splanchnic circulation. Like in heparin-induced thrombocytopenia (HIT) and spontaneous HIT, VITT antibodies recognize PF4-polyanion complexes and activate PF4-treated platelets but additionally bind to un-complexed PF4, a critical finding that could be leveraged for more specific detection of VITT. Intravenous immunoglobulin and non-heparin-based anticoagulation remain the mainstay of treatment. Second dose/boosters of mRNA covid-19 vaccines appear safe in patients with adenoviral vector-associated VITT. Emerging data is consistent with the possibility that ultra-rare cases of VITT may be seen in the setting of mRNA and virus-like particle (VLP) technology-based vaccinations and until more data is available, it is prudent to consider VITT in the differential diagnosis of all post-vaccine thrombosis and thrombocytopenia reactions.
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Affiliation(s)
- Adam J Kanack
- Division of Experimental Pathology, Department of Laboratory Medicine & Pathology, Mayo Clinic, Rochester, MN, United States.
| | - Anand Padmanabhan
- Divisions of Hematopathology, Transfusion Medicine & Experimental Pathology, Department of Laboratory Medicine & Pathology, Mayo Clinic, Rochester, MN, United States.
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