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Singh S, Pezeshkpoor B, Jamil MA, Dodt J, Sharma A, Ramar V, Ivaskevicius V, Hethershaw E, Philippou H, Pavlova A, Oldenburg J, Biswas A. Heterozygosity in factor XIII genes and the manifestation of mild inherited factor XIII deficiency. J Thromb Haemost 2024; 22:379-393. [PMID: 37832789 DOI: 10.1016/j.jtha.2023.09.032] [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: 06/02/2023] [Revised: 09/15/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023]
Abstract
BACKGROUND The characterization of inherited mild factor XIII deficiency is more imprecise than its rare, inherited severe forms. It is known that heterozygosity at FXIII genetic loci results in mild FXIII deficiency, characterized by circulating FXIII activity levels ranging from 20% to 60%. There exists a gap in information on 1) how genetic heterozygosity renders clinical bleeding manifestations among these individuals and 2) the reversal of unexplained bleeding upon FXIII administration in mild FXIII-deficient individuals. OBJECTIVES To assess the prevalence and burden of mild FXIII deficiency among the apparently healthy German-Caucasian population and correlate it with genetic heterozygosity at FXIII and fibrinogen gene loci. METHODS Peripheral blood was collected from 752 donors selected from the general population with essentially no bleeding complications to ensure asymptomatic predisposition. These were assessed for FXIII and fibrinogen activity, and FXIII and fibrinogen genes were resequenced using next-generation sequencing. For comparison, a retrospective analysis was performed on a cohort of mild inherited FXIII deficiency patients referred to us. RESULTS The prevalence of mild FXIII deficiency was high (∼0.8%) among the screened German-Caucasian population compared with its rare-severe forms. Although no new heterozygous missense variants were found, certain combinations were relatively dominant/prevalent among the mild FXIII-deficient individuals. CONCLUSION This extensive, population-based quasi-experimental approach revealed that the burden of heterozygosity in FXIII and fibrinogen gene loci causes the clinical manifestation of inherited mild FXIII deficiency, resulting in ''unexplained bleeding'' upon provocation.
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Affiliation(s)
- Sneha Singh
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Behnaz Pezeshkpoor
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Muhammad Ahmer Jamil
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | | | - Amit Sharma
- Department of Hematology, All India Institute of Medical Sciences, New Delhi, India
| | - Vasanth Ramar
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Vytautas Ivaskevicius
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Emma Hethershaw
- Division of Cardiovascular and Diabetes Research, School of Medicine, University of Leeds, Leeds, United Kingdom
| | - Helen Philippou
- Division of Cardiovascular and Diabetes Research, School of Medicine, University of Leeds, Leeds, United Kingdom
| | - Anna Pavlova
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Johannes Oldenburg
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany
| | - Arijit Biswas
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital of Bonn, Bonn, North-Rheine Westfalen, Germany.
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Javed H, Singh S, Urs SUR, Oldenburg J, Biswas A. Genetic landscape in coagulation factor XIII associated defects – Advances in coagulation and beyond. Blood Rev 2022; 59:101032. [PMID: 36372609 DOI: 10.1016/j.blre.2022.101032] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022]
Abstract
Coagulation factor XIII (FXIII) acts as a fine fulcrum in blood plasma that maintains the balance between bleeding and thrombosis by covalently crosslinking the pre-formed fibrin clot into an insoluble one that is resistant to premature fibrinolysis. In plasma, FXIII circulates as a pro-transglutaminase complex composed of the dimeric catalytic FXIII-A encoded by the F13A1 gene and dimeric carrier/regulatory FXIII-B subunits encoded by the F13B gene. Growing evidence accumulated over decades of exhaustive research shows that not only does FXIII play major roles in both pathological extremes of hemostasis i.e. bleeding and thrombosis, but that it is, in fact, a pleiotropic protein with physiological roles beyond coagulation. However, the current FXIII genetic-epidemiological literature is overwhelmingly derived from the bleeding pathology associated with its deficiency. In this article we review the current clinical, functional, and molecular understanding of this fascinating multifaceted protein, especially putting into the same perspective its genetic landscape.
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Hoenning A, Lemcke J, Rot S, Stengel D, Hoppe B, Zappel K, Schuss P, Mutze S, Goelz L. Middle Meningeal Artery Embolization Minimizes Burdensome Recurrence Rates After Newly Diagnosed Chronic Subdural Hematoma Evacuation (MEMBRANE): study protocol for a randomized controlled trial. Trials 2022; 23:703. [PMID: 35996195 PMCID: PMC9396835 DOI: 10.1186/s13063-022-06506-3] [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: 04/20/2022] [Accepted: 07/01/2022] [Indexed: 11/10/2022] Open
Abstract
Background Chronic subdural hematoma (cSDH) is the most common complication of mild traumatic brain injury demanding neurosurgery in high-income countries. If undetected and untreated, cSDH may increase intracranial pressure and cause neurological deficiencies. The first-line intervention of choice is burr hole trepanation and hematoma evacuation. However, any third patient may experience rebleeding, demanding craniotomy with excess morbidity. Adjunct endovascular embolization of the frontal and parietal branches of the middle meningeal artery (MMA) is a promising approach to avoid relapse and revision but was hitherto not studied in a randomized trial. Methods MEMBRANE is an investigator-initiated, single-center, randomized controlled trial. Male, female, and diverse patients older than 18 years scheduled for surgical evacuation of a first cSDH will be assigned in a 1:1 fashion by block randomization to the intervention (surgery plus endovascular MMA embolization) or the control group (surgery alone). The primary trial endpoint is cSDH recurrence within 3 months of follow-up after surgery. Secondary endpoints comprise neurological deficits assessed by the modified Rankin Scale (mRS) and recurrence- or intervention-associated complications during 3 months of follow-up. Assuming a risk difference of 20% of rebleeding and surgical revision, a power of 80%, and a drop-out rate of 10%, 154 patients will be enrolled onto this trial, employing an adaptive O’Brien-Fleming approach with a planned interim analysis halfway. Discussion The MEMBRANE trial will provide first clinical experimental evidence on the effectiveness of endovascular embolization of the MMA as an adjunct to surgery to reduce the risk of recurrence after the evacuation of cSDH. Trial registration German Clinical Trials Registry (Deutsches Register Klinischer Studien [DRKS]) DRKS00020465. Registered on 18 Nov 2021. ClinicalTrials.gov NCT05327933. Registered on 13 Apr 2022.
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Affiliation(s)
- Alexander Hoenning
- Center for Clinical Research, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany.
| | - Johannes Lemcke
- Department of Neurosurgery, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Sergej Rot
- Department of Neurosurgery, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Dirk Stengel
- BG Kliniken - Klinikverbund der Gesetzlichen Unfallversicherung gGmbH, Leipziger Pl. 1, 10117, Berlin, Germany
| | - Berthold Hoppe
- Institute of Laboratory Medicine, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Kristina Zappel
- Center for Clinical Research, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Patrick Schuss
- Department of Neurosurgery, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Sven Mutze
- Department of Radiology and Neuroradiology, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany.,Institute for Diagnostic Radiology and Neuroradiology, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Leonie Goelz
- Department of Radiology and Neuroradiology, BG Klinikum Unfallkrankenhaus Berlin, Warener Str. 7, 12683, Berlin, Germany.,Institute for Diagnostic Radiology and Neuroradiology, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
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Gupta S, Biswas A, Akhter MS, Krettler C, Reinhart C, Dodt J, Reuter A, Philippou H, Ivaskevicius V, Oldenburg J. Revisiting the mechanism of coagulation factor XIII activation and regulation from a structure/functional perspective. Sci Rep 2016; 6:30105. [PMID: 27453290 PMCID: PMC4958977 DOI: 10.1038/srep30105] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 06/27/2016] [Indexed: 12/17/2022] Open
Abstract
The activation and regulation of coagulation Factor XIII (FXIII) protein has been the subject of active research for the past three decades. Although discrete evidence exists on various aspects of FXIII activation and regulation a combinatorial structure/functional view in this regard is lacking. In this study, we present results of a structure/function study of the functional chain of events for FXIII. Our study shows how subtle chronological submolecular changes within calcium binding sites can bring about the detailed transformation of the zymogenic FXIII to its activated form especially in the context of FXIIIA and FXIIIB subunit interactions. We demonstrate what aspects of FXIII are important for the stabilization (first calcium binding site) of its zymogenic form and the possible modes of deactivation (thrombin mediated secondary cleavage) of the activated form. Our study for the first time provides a structural outlook of the FXIIIA2B2 heterotetramer assembly, its association and dissociation. The FXIIIB subunits regulatory role in the overall process has also been elaborated upon. In summary, this study provides detailed structural insight into the mechanisms of FXIII activation and regulation that can be used as a template for the development of future highly specific therapeutic inhibitors targeting FXIII in pathological conditions like thrombosis.
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Affiliation(s)
- Sneha Gupta
- Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, 53127 Bonn, Germany
| | - Arijit Biswas
- Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, 53127 Bonn, Germany
| | - Mohammad Suhail Akhter
- Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, 53127 Bonn, Germany
| | - Christoph Krettler
- Department of Molecular Membrane Biology, Max Planck institute of Biophysics, 60439 Frankfurt, Germany
| | - Christoph Reinhart
- Department of Molecular Membrane Biology, Max Planck institute of Biophysics, 60439 Frankfurt, Germany
| | | | | | - Helen Philippou
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Vytautas Ivaskevicius
- Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, 53127 Bonn, Germany
| | - Johannes Oldenburg
- Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, 53127 Bonn, Germany
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Eight novel F13A1 gene missense mutations in patients with mild FXIII deficiency: in silico analysis suggests changes in FXIII-A subunit structure/function. Ann Hematol 2014; 93:1665-76. [DOI: 10.1007/s00277-014-2102-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 05/01/2014] [Indexed: 01/10/2023]
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Biswas A, Ivaskevicius V, Thomas A, Oldenburg J. Coagulation factor XIII deficiency. Diagnosis, prevalence and management of inherited and acquired forms. Hamostaseologie 2014; 34:160-6. [PMID: 24503678 DOI: 10.5482/hamo-13-08-0046] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 01/28/2014] [Indexed: 11/05/2022] Open
Abstract
The plasma circulating zymogenic coagulation factor XIII (FXIII) is a protransglutaminase, which upon activation by thrombin and calcium cross-links preformed fibrin clots/fibrinolytic inhibitors making them mechanically stable and less susceptible to fibrinolysis. The zymogenic plasma FXIII molecule is a heterotetramer composed of two catalytic FXIII-A and two protective FXIII-B subunits. Factor XIII deficiency resulting from inherited or acquired causes can result in pathological bleeding episodes. A diverse spectrum of mutations have been reported in the F13A1 and F13B genes which cause inherited severe FXIII deficiency. The inherited severe FXIII deficiency, which is a rare coagulation disorder with a prevalence of 1 in 4 million has been the prime focus of clinical and genetic investigations owing to the severity of the bleeding phenotype associated with it. Recently however, with a growing understanding into the pleiotropic roles of FXIII, the fairly frequent milder form of FXIII deficiency caused by heterozygous mutations has become one of the subjects of investigative research. The acquired form of FXIII deficiency is usually caused by generation of autoantibodies or hyperconsumption in other disease states such as disseminated intravascular coagulation. Here, we update the knowledge about the pathophysiology of factor XIII deficiency and its therapeutic options.
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Affiliation(s)
- A Biswas
- Arijit Biswas Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn, Sigmund Freud Str. 25 53127 Bonn, Germany, Tel. +49/(0)228/28 71 94 28, Fax +49/(0)228/28 71 43 20, E-mail:
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