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https://www.readbyqxmd.com/read/28421433/modification-of-the-catalytic-subunit-of-plasma-fibrin-stabilizing-factor-under-induced-oxidation
#1
A D Vasilyeva, A V Bychkova, A E Bugrova, M I Indeykina, A P Chikunova, V B Leonova, E A Kostanova, M I Biryukova, M L Konstantinova, A S Kononikhin, E N Nikolaev, M A Rosenfeld
For the first time, by using mass-spectrometry method, the oxidation-mediated modification of the catalytic FXIII-A subunit of plasma fibrin-stabilizing factor, pFXIII, has been studied. The oxidative sites were identified to belong to all structural elements of the catalytic subunit: the β-sandwich (Tyr104, Tyr117, and Cys153), the catalytic core domain (Met160, Trp165, Met266, Cys328, Asp352, Pro387, Arg409, Cys410, Tyr442, Met475, Met476, Tyr482, and Met500), the β-barrel 1 (Met596), and the β-barrel 2 (Met647, Pro676, Trp692, Cys696, and Met710), which correspond to 3...
January 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28412719/combined-measurement-of-factor-xiii-and-d-dimer-is-helpful-for-differential-diagnosis-in-patients-with-suspected-pulmonary-embolism
#2
Ning Tang, Ziyong Sun, Dengju Li, Jun Yang, Shiyu Yin, Qing Guan
BACKGROUND: D-dimer has been used to rule out pulmonary embolism (PE). Based on previous reports of decreased concentrations of coagulation factor XIII (FXIII) in venous thromboembolism, and no change in FXIII concentration in patients with acute cardiovascular disease, we evaluated the benefit of simultaneously measuring D-dimer and FXIII concentrations for diagnosing PE. METHODS: In this prospective single-center study, we enrolled 209 patients initially suspected of having PE, and measured their D-dimer and FXIII concentrations...
April 17, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28406553/detection-of-factor-xiii-deficiency-data-from-multicentre-exercises-amongst-uk-neqas-and-pro-rbdd-project-laboratories
#3
I Jennings, S Kitchen, M Menegatti, R Palla, I Walker, M Makris, F Peyvandi
INTRODUCTION: FXIII deficiency is a rare bleeding disorders, and specific FXIII assays are recommended to detect this deficiency. We investigated the performance and accuracy of FXIII investigations in two exercises, comparing centres enrolled in the PRO-RBDD project (prospective data collection on patients with fibrinogen and Factor XIII deficiencies), and UK NEQAS BC centres. METHODS: Samples from a FXIII deficient subject and a normal donor were sent to participating centres, to investigate for FXIII deficiency, and interpret their results...
April 13, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28387755/transglutaminases-factor-xiii-a-and-tg2-regulate-resorption-adipogenesis-and-plasma-fibronectin-homeostasis-in-bone-and-bone-marrow
#4
Aisha Mousa, Cui Cui, Aimei Song, Vamsee D Myneni, Huifang Sun, Jin Jin Li, Monzur Murshed, Gerry Melino, Mari T Kaartinen
Appropriate bone mass is maintained by bone-forming osteoblast and bone-resorbing osteoclasts. Mesenchymal stem cell (MSC) lineage cells control osteoclastogenesis via expression of RANKL and OPG (receptor activator of nuclear factor κB ligand and osteoprotegerin), which promote and inhibit bone resorption, respectively. Protein crosslinking enzymes transglutaminase 2 (TG2) and Factor XIII-A (FXIII-A) have been linked to activity of myeloid and MSC lineage cells; however, in vivo evidence has been lacking to support their function...
April 7, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28380473/successful-management-of-a-patient-with-autoimmune-hemorrhaphilia-due-to-anti-factor-xiii-13-antibodies-complicated-by-pulmonary-thromboembolism
#5
Yoshiyuki Ogawa, Kunio Yanagisawa, Masayoshi Souri, Masahiro Mihara, Chiaki Naito, Makiko Takizawa, Takuma Ishizaki, Takeki Mitsui, Hiroshi Handa, Tsukasa Osaki, Yoshihisa Nojima, Akitada Ichinose
Autoimmune hemophilia-like disease (hemorrhaphilia) due to anti-factor XIII (FXIII) antibodies (AH13) is a very rare, life-threatening bleeding disorder. A 77-year-old woman developed macrohematuria and a right renal pelvic hematoma. The coagulation times were not prolonged, but FXIII activity and antigen levels were severely and moderately reduced to 9 and 29% of normal values, respectively. Accordingly, the FXIII-specific activity turned out to be low. FXIII inhibitor and anti-FXIII-A subunit autoantibodies were detected by a 1:1 crossmixing test and immunoblot and immunochromatographic assays...
April 6, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28371893/tissue-transglutaminase-induction-in-the-pressure-overloaded-myocardium-regulates-matrix-remodeling
#6
Arti V Shinde, Marcin Dobaczewski, Judith J de Haan, Amit Saxena, Kang-Kon Lee, Ying Xia, Wei Chen, Ya Su, Waqas Hanif, Inderpreet Kaur Madahar, Victor M Paulino, Gerry Melino, Nikolaos G Frangogiannis
Aims: : Tissue transglutaminase (tTG) is induced in injured and remodeling tissues, and modulates cellular phenotype, while contributing to matrix cross-linking. Our study tested the hypothesis that tTG may be expressed in the pressure-overloaded myocardium, and may regulate cardiac function, myocardial fibrosis and chamber remodeling. Methods and results: In order to test the hypothesis, wildtype and tTG null mice were subjected to pressure overload induced through transverse aortic constriction...
March 28, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28371216/computational-imaging-analysis-of-glycated-fibrin-gels-reveals-aggregated-and-anisotropic-structures
#7
David G Norton, Natalie K Fan, Marcus Goudie, Hitesh Handa, Manu O Platt, Rodney D Averett
In this research article, a computational imaging analysis method is presented for the evaluation of aggregation and anisotropy in both native (unglycated) and glycated fibrin matrix structures. The imaging analysis was used to test the hypothesis that glycated fibrin structures are more aggregated and anisotropic than unglycated (native) fibrin structures. Glycation of fibrinogen, and subsequently fibrin, occurs under normal physiological conditions; however, excess glycation due to disease states such as diabetes can disrupt the fibrin matrix and cause an abnormal structure and function...
March 28, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28345289/severe-bleeding-diatheses-in-an-elderly-patient-with-combined-type-autoantibody-against-factor-xiii-a-subunit-novel-approach-to-the-diagnosis-and-classification-of-anti-factor-xiii-antibodies
#8
M Kun, N Szuber, É Katona, K Pénzes, A Bonnefoy, B Bécsi, F Erdődi, G E Rivard, L Muszbek
INTRODUCTION: Acquired factor XIII (FXIII) deficiency due to autoantibody is a rare, severe bleeding diathesis. Its laboratory diagnosis and classification represents a difficult task. AIM: Introduction of novel approaches into the diagnosis and characterization of anti-FXIII autoantibody and demonstration of their use in the diagnosis of a patient with autoimmune FXIII deficiency. METHODS: Factor XIII activity, FXIII antigen levels and the titre of anti-FXIII-A antibody were monitored throughout the course of the disease...
March 26, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28318109/agreement-between-factor-xiii-activity-and-antigen-assays-in-measurement-of-factor-xiii-a-french-multicenter-study-of-147-human-plasma-samples
#9
C Caron, R Meley, V Le Cam Duchez, M F Aillaud, C Lavenu-Bombled, F Dutrillaux, C Flaujac, A Ryman, C Ternisien, D Lasne, H Galinat, C Pouplard
INTRODUCTION: Factor XIII (FXIII) deficiency is a rare hemorrhagic disorder whose early diagnosis is crucial for appropriate treatment and prophylactic supplementation in cases of severe deficiency. International guidelines recommend a quantitative FXIII activity assay as first-line screening test. FXIII antigen measurement may be performed to establish the subtype of FXIII deficiency (FXIIID) when activity is decreased. METHODS: The aim of this multicenter study was to evaluate the analytical and diagnostic levels of performance of a new latex immunoassay, K-Assay(®) FXIII reagent from Stago, for first-line measurement of FXIII antigen...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28222949/rare-bleeding-disorders-old-diseases-in-the-era-of-novel-options-for-therapy
#10
Tami Livnat, Assaf Arie Barg, Sarina Levy-Mendelovich, Gili Kenet
Rare diseases are defined as life-threatening or chronically debilitating diseases with a prevalence of less than one per 2000 according to the European Union or one per 1250 according to the USA. Congenital rare bleeding disorders RBD are reported in most populations, with incidence varying from 1 in 5000 (Hemophilia A), 1:30,000 (Hemophilia B) to much rarer (1:500,000 for FVII deficiency, 1-3 million for Prothrombin or FXIII deficiency). Acquired Hemophilia A is also a rare bleeding disorder with estimated frequency of 1 in million...
February 14, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28166607/recombinant-fibrinogen-reveals-the-differential-roles-of-%C3%AE-and-%C3%AE-chain-cross-linking-and-molecular-heterogeneity-in-fibrin-clot-strain-stiffening
#11
I K Piechocka, N A Kurniawan, J Grimbergen, J Koopman, G H Koenderink
BACKGROUND: Fibrin plays a crucial role in haemostasis and wound healing by forming strain-stiffening fibrous networks that reinforce blood clots. The molecular origin of fibrin's strain-stiffening behavior remains poorly understood, primarily because plasma fibrinogen is a complex mixture of heterogeneous molecular variants and is often contaminated by plasma factors that affect clot properties. OBJECTIVES AND METHODS: To facilitate mechanistic dissection of fibrin nonlinear elasticity, we produced a homogeneous recombinant fibrinogen corresponding to the main variant in human plasma, termed rFib610...
February 6, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28159767/ticagrelor-reversal-in-vitro-assessment-of-four-haemostatic-agents
#12
Leyla Calmette, Anne-Céline Martin, Bernard Le Bonniec, Diane Zlotnik, Isabelle Gouin-Thibault, Christilla Bachelot-Loza, Pascale Gaussem, Anne Godier
AIM: Management of ticagrelor-induced bleeding is challenging as platelet transfusion is ineffective. An effective strategy is needed. This study aimed to investigate in vitro the efficacy of four haemostatic drugs (HDs), namely recombinant activated factor VII (rFVIIa), fibrinogen concentrate (Fib), tranexamic acid (TXA) and factor XIII concentrate (FXIII) to improve the haemostatic capacity in the presence of ticagrelor. METHODS: Blood was spiked with ticagrelor then supplemented by either HD or control...
February 3, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28091415/advances-of-coagulation-factor-xiii
#13
REVIEW
Da-Yu Shi, Shu-Jie Wang
OBJECTIVE: To provide a comprehensive literature review on roles of coagulation factor XIII (FXIII) in coagulation, wound healing, neoplasm, bone metabolism, and pregnancy. DATA SOURCES: All articles in PubMed with key words "Coagulation factor XIII", "wound", "leukemia", "tumor", "bone," and "pregnancy" with published date from 2001 to 2016 were included in the study. Frequently cited publications before 2000 were also included. STUDY SELECTION: We reviewed the role of FXIII in biologic processes as documented in clinical, animal, and in vitro studies...
January 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28086795/atherosclerotic-and-thrombotic-genetic-and-environmental-determinants-in-egyptian-coronary-artery-disease-patients-a-pilot-study
#14
Manal S Fawzy, Eman A Toraih, Nagwa M Aly, Abeer Fakhr-Eldeen, Dahlia I Badran, Mohammad H Hussein
BACKGROUND: Coronary artery disease (CAD) is the leading cause of morbidity and mortality worldwide. Multiple genetic variants in combination with various environmental risk factors have been implicated. This study aimed to investigate the association of twelve thrombotic and atherosclerotic gene variants in combination with other environmental risk factors with CAD risk in a preliminary sample of Egyptian CAD patients. METHODS: Twenty three consecutive CAD patients undergoing diagnostic coronary angiography and 34 unrelated controls, have been enrolled in the study...
January 13, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28028391/vascular-genetic-variants-and-ischemic-stroke-susceptibility-in-albanians-from-the-republic-of-macedonia
#15
Bajram Kamberi, Farije Kamberi, Mirko Spiroski
BACKGROUND: Acute first-ever ischemic stroke (FIS) is a heterogeneous, polygenic disorder. The contribution of vascular genetic variants as inherited causes of ischemic stroke has remained controversial. AIM: To examine the association of genetic variants in vascular factors with the occurrence of FIS. MATERIAL AND METHODS: The current research was performed in a group of 39 patients with FIS (study group) and 102 healthy volunteers (control group)...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27975098/endotoxaemia-augmented-murine-venous-thrombosis-is-dependent-on-tlr-4-and-icam-1-and-potentiated-by-neutropenia
#16
Andrea T Obi, Elizabeth Andraska, Yogendra Kanthi, Chase W Kessinger, Megan Elfline, Cathy Luke, Teruna J Siahaan, Farouc A Jaffer, Thomas W Wakefield, Peter K Henke
Venous thromboembolism is a major cause of death during and immediately post-sepsis. Venous thrombosis (VT) is mediated by cell adhesion molecules and leukocytes, including neutrophil extracellular traps (NETs). Sepsis, or experimentally, endotoxaemia, shares similar characteristics and is modulated via toll like receptor 4 (TLR4). This study was undertaken to determine if endotoxaemia potentiates early stasis thrombogenesis, and secondarily to determine the role of VT TLR4, ICAM-1 and neutrophils (PMNs). Wild-type (WT), ICAM-1(-/-) and TLR4(-/-) mice underwent treatment with saline or LPS (10 mg/kg i...
December 15, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27942785/-factor%C3%A2-xiii-pharmacodynamic-and-pharmacokinetic-characteristics
#17
REVIEW
E H Adam, S Kreuer, K Zacharowski, C F Weber, R Wildenauer
Factor XIII (FXIII) plays an important role in the field of blood coagulation. In the last decade, both congenital and acquired deficiencies have been investigated in clinical studies. FXIII is a versatile enzyme that leads to a covalent cross-linking of fibrin fibrils at the end of the clotting cascade and supports platelet adhesion to the damaged sub-endothelium with the result of a mechanically stable clot.Symptoms of FXIII deficiencies vary within a broad spectrum from superficial skin bleeding episodes to severe, sometimes life threatening hemorrhage, requiring prophylactic or therapeutic replacement therapy...
January 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/27929200/obesity-insulin-resistance-rather-than-liver-fat-increases-coagulation-factor-activities-and-expression-in-humans
#18
Susanna Lallukka, Panu K Luukkonen, You Zhou, Elina M Petäjä, Marja Leivonen, Anne Juuti, Antti Hakkarainen, Marju Orho-Melander, Nina Lundbom, Vesa M Olkkonen, Riitta Lassila, Hannele Yki-Järvinen
Increased liver fat may be caused by insulin resistance and adipose tissue inflammation or by the common I148M variant in PNPLA3 at rs738409, which lacks both of these features. We hypothesised that obesity/insulin resistance rather than liver fat increases circulating coagulation factor activities. We measured plasma prothrombin time (PT, Owren method), activated partial thromboplastin time (APTT), activities of several coagulation factors, VWF:RCo and fibrinogen, and D-dimer concentration in 92 subjects divided into groups based on insulin sensitivity [insulin-resistant ('IR') versus insulin-sensitive ('IS')] and PNPLA3 genotype (PNPLA3(148MM/MI) vs PNPLA3(148II))...
December 8, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27917497/acquired-factor-xiii-inhibitor-associated-with-mantle-cell-lymphoma
#19
Christian P Nixon, Elizabeth H Prsic, Christine A Guertin, Ryan L Stevenson, Joseph D Sweeney
BACKGROUND: Acquired Factor (F)XIII deficiency is a very rare bleeding diathesis with a potentially fatal outcome, previously described in the context of autoimmune disorders and leukemias. There is minimal information on autoantibody characterization and the role of antifibrinolytic therapy in patient management. CASE REPORT: A 79-year-old woman with a 3-month history of bruising and heavy menorrhagia presented with ongoing vaginal bleeding, symptomatic anemia, and a right thigh hematoma...
March 2017: Transfusion
https://www.readbyqxmd.com/read/27913544/treatment-of-rare-factor-deficiencies-in-2016
#20
Flora Peyvandi, Marzia Menegatti
Rare bleeding disorders (RBDs) are a heterogeneous group of coagulation disorders characterized by fibrinogen, prothrombin, factors V, VII, X, XI, or XIII (FV, FVII, FX, FXI, or FXIII, respectively), and the combined factor V + VIII and vitamin K-dependent proteins deficiencies, representing roughly 5% of all bleeding disorders. They are usually transmitted as autosomal, recessive disorders, and the prevalence of the severe forms could range from 1 case in 500 000 for FVII up to 1 in 2-3 million for FXIII in the general population...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
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