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Antithrombin III

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https://www.readbyqxmd.com/read/29458015/sulfenamide-and-sulfonamide-derivatives-of-metformin-can-exert-anti-coagulant-and-pro-fibrinolytic-properties
#1
Magdalena Markowicz-Piasecka, Kristiina M Huttunen, Łukasz Mateusiak, Elżbieta Mikiciuk-Olasik, Joanna Sikora
Type 2 diabetes mellitus (T2DM) is characterised not only by hyperglycaemia and insulin resistance but also an impaired balance between the processes of coagulation and fibrinolysis. The aim of this study was to examine the effects of metformin, a widely-used oral anti-diabetic drug, phenformin and eight sulfenamide and sulfonamide derivatives of metformin on several haemostasis parameters. Thrombin Time (TT) tests were performed according to the available commercial method. The activity of factor X was conducted based on deficient plasma factor X...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29399517/neutrophil-extracellular-traps-are-increased-in-cancer-patients-but-does-not-associate-with-venous-thrombosis
#2
Rahmi Oklu, Rahul A Sheth, Keith H K Wong, Amin H Jahromi, Hassan Albadawi
Background: A single center, prospective tissue-based study was conducted to investigate an association between neutrophil extracellular traps (NETs) and venous thromboembolic disease in patients with malignancy. Methods: Plasma was collected from 65 patients in which 27 were cancer patients and 38 were age-matched non-cancer patients. Plasma NETs, circulating free DNA (cfDNA), DNase-1, endonuclease-G, endonuclease activity and thrombin-antithrombin III (TAT) complex levels was quantified...
December 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29399079/rivaroxaban-for-the-treatment-of-venous-thromboembolism-in-patients-with-nephrotic-syndrome-and-low-at-iii-a-pilot-study
#3
Lihua Zhang, Haitao Zhang, Jiong Zhang, Hong Tian, Ju Liang, Zhihong Liu
The anticoagulation effect of heparin requires adequate serum antithrombin (AT)-III levels. Rivaroxaban, however, exhibits its anticoagulation effects independent of AT-III. The aim of the present study was to evaluate the efficacy and safety of rivaroxaban as a treatment for venous thromboembolism in patients with AT-III deficiency due to nephrotic syndrome. Patients with nephrotic syndrome and low serum concentration and functional activity of AT-III and venous thromboembolism were randomly assigned to the rivaroxaban group (n=8) and low weight molecular heparin group (n=8)...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29365332/cardiovascular-risk-factors-in-acromegaly-what-s-the-impact-of-disease-control
#4
Ana Amado, Fernando Araújo, Davide Carvalho
OBJECTIVE: Cardiovascular disease is one of the most important causes of death in acromegalic patients. The aim of this study is to compare the prevalence of cardiovascular risk factors among acromegalic patients and to evaluate the impact of disease control on these factors. MATERIAL AND METHODS: 11 acromegalic patients with active disease and 12 controlled patients were evaluated for blood pressure, body mass index, glucose, coagulation status, and lipid profile...
January 24, 2018: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29339133/antithrombin-iii-binding-site-analysis-of-low-molecular-weight-heparin-fractions
#5
Yin Chen, Jing Zhao, Yanlei Yu, Xinyue Liu, Lei Lin, Fuming Zhang, Robert J Linhardt
Low molecular weight heparins (LMWHs) are widely used as clinical anticoagulant drugs. LMWHs are heterogeneous and highly negatively charged glycans prepared by chemical or enzymatic depolymerization of unfractionated heparin. The detailed structural analysis of a LMWH is essential for the drug quality control. In this study, a LMWH, enoxaparin sodium (a generic version of Lovenox) was separated to different molecular weights fractions by a Superdex peptide column. The disaccharide compositions, 3-O-sulfo group containing tetrasaccharides composition, and antithrombin III binding affinity of the fractions from this LMWH were analyzed...
January 12, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29332096/higher-thrombin-antithrombin-iii-complex-levels-may-indicate-severe-acute-pancreatitis
#6
Sami Fidan, Murat Erkut, Arif Mansur Cosar, Yasar Yogun, Asım Örem, Mehmet Sönmez, Mehmet Arslan
AIM: Coagulation disorders may develop in association with severe acute pancreatitis (AP). Plasma thrombin-antithrombin III complex (TAT) levels are one of the principal markers of coagulation disorder. The purpose of this study was to evaluate TAT and other hemostatic parameters in patients with AP and to examine whether or not these parameters indicate the severity of AP. METHOD: Forty-six patients with AP (14 severe, 32 non-severe) and a 30-member healthy control group were recruited...
January 12, 2018: Digestive Diseases
https://www.readbyqxmd.com/read/29290408/pulmonary-emboli-and-deep-venous-thrombosis-during-adolescence
#7
Celeste Schultz, Rebecca Doran
Pulmonary emboli (PE) and deep venous thrombus (DVT) are two conditions considered to affect primarily adults. These conditions, however, can and do affect neonates, toddlers, school-age children, and adolescents. Factors contributing to the development of PE and DVT are often associated with genetic mutations in Antithrombin III, Protein C, and Protein S. This article presents a primary care case study of an adolescent who was diagnosed with and underwent treatment for bilateral PE and a DVT, and reviews the underlying primary genetic mutations, diagnostic workup, and management of his clinical condition...
December 28, 2017: Journal of Pediatric Health Care
https://www.readbyqxmd.com/read/29249827/schizophrenia-risk-and-urban-birth-are-associated-with-proteomic-changes-in-neonatal-dried-blood-spots
#8
Jason D Cooper, Sureyya Ozcan, Renee M Gardner, Nitin Rustogi, Susanne Wicks, Geertje F van Rees, F Markus Leweke, Christina Dalman, Håkan Karlsson, Sabine Bahn
In the present study, we tested whether there were proteomic differences in blood between schizophrenia patients after the initial onset of the disorder and controls; and whether those differences were also present at birth among neonates who later developed schizophrenia compared to those without a psychiatric admission. We used multiple reaction monitoring mass spectrometry to quantify 77 proteins (147 peptides) in serum samples from 60 first-onset drug-naive schizophrenia patients and 77 controls, and 96 proteins (152 peptides) in 892 newborn blood-spot (NBS) samples collected between 1975 and 1985...
December 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/29247448/itraq-based-quantitative-proteomics-reveals-the-new-evidence-base-for-traumatic-brain-injury-treated-with-targeted-temperature-management
#9
Shi-Xiang Cheng, Zhong-Wei Xu, Tai-Long Yi, Hong-Tao Sun, Cheng Yang, Ze-Qi Yu, Xiao-Sa Yang, Xiao-Han Jin, Yue Tu, Sai Zhang
This study aimed to investigate the effects of targeted temperature management (TTM) modulation on traumatic brain injury (TBI) and the involved mechanisms using quantitative proteomics technology. SH-SY5Y and HT-22 cells were subjected to moderate stretch injury using the cell injury controller (CIC), followed by incubation at TTM (mild hypothermia, 32°C), or normothermia (37°C). The real-time morphological changes, cell cycle phase distribution, death, and cell viability were evaluated. Moderate TBI was produced by the controlled cortical impactor (CCI), and the effects of TTM on the neurological damage, neurodegeneration, cerebrovascular histopathology, and behavioral outcome were determined in vivo...
January 2018: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29238798/association-between-hypercoagulable-conditions-and-calciphylaxis-in-patients-with-renal-disease-a-case-control-study
#10
Allison S Dobry, Lauren N Ko, Jessica St John, J Mark Sloan, Sagar Nigwekar, Daniela Kroshinsky
Importance: Calciphylaxis is a rare skin disease with high morbidity and mortality that frequently affects patients with renal disease. Hypercoagulable conditions are frequently observed in both patients with calciphylaxis and those with chronic kidney disease (CKD), complicating our understanding of which hypercoagulable conditions are specific to calciphylaxis. Objective: To identify hypercoagulable conditions that are risk factors for developing calciphylaxis while controlling for CKD...
December 13, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/29237991/survival-of-heartmate-ii-patients-despite-cessation-of-anticoagulation%C3%A3-outcomes-and-hemostatic-analysis
#11
Rashad Zayat, Mohammad Amen Khattab, Oliver Grottke, Markus Honickel, Andreas Goetzenich, Ajay Moza, Christian Stoppe, Rüdiger Autschbach, Lachmandath Tewarie
BACKGROUND: In long-term left ventricular assist device (LVAD) therapy, recurrent bleeding events may justify cessation of anticoagulation therapy (AT). However, data about THE safety and risks of AT cessation in LVAD patients are scarce.Methods and Results:Between 2010 and 2015, 128 patients received a HeartMate II (HMII). Following recurrent bleeding events, we ceased vitamin K antagonist (VKA) therapy in 13 patients (10%) (no-VKA group). To characterize the hemostatic profile, we performed von Willebrand factor (vWF), platelet function (PF), and other hemostatic tests in all HMII patients...
December 12, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29226657/short-centrifugation-to-ameliorate-turn-around-time-in-routine-coagulation-testing
#12
Albrecht Pfaefflin, Karen Schuster, Ruediger Braun
BACKGROUND: Fast and timely analysis of coagulation parameters is mandatory in hospital laboratories as the results are decisive for diagnosis and treatment in emergency patients. An important factor in TAT (turn-around time) prolongation is centrifugation of all samples prior to analysis. According to literature and most current SOPs (standard operation protocols) centrifugation time is given with 10 minutes at approximately 2,000 g and cannot be reduced without infringement of standards...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29224009/itraq-based-proteomics-analysis-of-acute-lung-injury-induced-by-oleic-acid-in-mice
#13
Xiaotao Xu, Qingwei Zhu, Rong Zhang, Yan Wang, Fangfang Niu, Wenying Wang, Dawei Sun, Aizhong Wang
BACKGROUND/AIMS: This study was conducted to investigate the relationship between differentially expressed proteins (DEPs) and the pathogenesis of oleic acid (OA)-induced acute lung injury (ALI) in mice. METHODS: Eight-week-old male C57BL/6 mice were injected with OA through the tail vein and sacrificed 6 hours after OA administration to identify protein expression levels in lung tissue using isobaric tags for relative and absolute quantification (iTRAQ) technology...
December 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29206934/enzymatic-functional-assays-of-coagulation-using-small-sample-volumes
#14
Sirisha Emani, Lisa T Nelson, Scott Norton, Rajendra Singh, Vamsee Pamula, Sitaram Emani
Current laboratory methods for comprehensive thrombophilia status require large blood volumes and long turn-around times. We demonstrate the feasibility of performing thrombophilia panel testing of enzymatic functional assays on a microfluidic cartridge using low sample volume.Functional assays for Antithrombin III, Protein C, Factor VIII, and plasminogen were adapted on the digital microfluidic platform by developing novel fluorogenic substrates and establishing on-cartridge fluorescence (360/460 nm) detection...
December 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29204688/pharmacokinetics-of-recombinant-asparaginase-in-children-with-acute-lymphoblastic-leukemia
#15
Swantje Völler, Uwe Pichlmeier, Anke Zens, Georg Hempel
PURPOSE: The objective of this study was to assess the pharmacokinetics of recombinant asparaginase (rASNase, Spectrila®) in children with acute lymphoblastic leukemia using a population pharmacokinetic approach in order to explore potential dosing recommendations. METHODS: Data on serum asparaginase activities of 124 children from three clinical studies were included in the analysis, covering an age range from 3 days to 17 years. Most patients received 5000 U/m2 rASNase intravenously every 3 days...
December 5, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29149247/quantitative-proteomic-profiling-of-bovine-follicular-fluid-during-follicle-development
#16
Rodrigo de Andrade Ferrazza, Elizabeth Moreira Dos Santos Schmidt, Monika Mihm Carmichael, Fabiana Ferreira de Souza, Richard Burchmore, Roberto Sartori, Peter David Eckersall, João Carlos Pinheiro Ferreira
Bovine follicular fluid (FF) constitutes the microenvironment of follicles and includes various biologically active proteins. We performed a study involving 18 healthy non-lactating Holstein cows to determine the protein expression profile of FF at key-stages of follicular development. Follicles were individually aspirated in vivo at pre-deviation (F1∼7.0mm); deviation (F1∼8.5mm); post-deviation (F1∼12.0mm); and pre-ovulatory stages of follicle development, which were confirmed by measurement of follicular estradiol and progesterone concentrations...
November 15, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29100817/edoxaban-improves-acute-venous-thromboembolism-while-preserving-protein-c-and-protein-s-levels
#17
Hiromu Yamazaki, Shusuke Yagi, Yuta Torii, Rie Amano, Yasuyuki Oomichi, Teruaki Sangawa, Daiju Fukuda, Muneyuki Kadota, Takayuki Ise, Rie Ueno, Tomoya Hara, Kenya Kusunose, Tomomi Matsuura, Takeshi Tobiume, Koji Yamaguchi, Hirotsugu Yamada, Takeshi Soeki, Tetsuzo Wakatsuki, Masashi Akaike, Masataka Sata
BACKGROUND: It is well known that warfarin inhibits the synthesis of vitamin K-dependent anticoagulants, including thrombin, protein C and S, and factor Xa, leading, paradoxically, to an initial hypercoagulable state. Edoxaban, a direct inhibitor of activated factor X is widely used for the treatment of acute venous thromboembolism (VTE). However, the effect of edoxaban on circulating coagulation factors, in patients with acute VTE, remains unknown. METHODS AND RESULTS: We enrolled 57 patients with acute VTE with/without pulmonary embolism treated with edoxaban (n=37) or warfarin (n=20) in a clinical setting...
October 31, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29093435/recurrent-thrombosis-a-case-of-hereditary-thromboembolism
#18
Maria Concetta Giofrè, Francesca Napoli, Daniela La Rosa, Alessia Caruso, Natascia Laganà, Lucia Orlando Settembrini, Antonino Saitta, Antonio Giovanni Versace
BACKGROUND Thrombophilia is a predisposition to thrombosis. Genetic causes include antithrombin III, protein C, protein S, factor V Leiden, prothrombin 20210A allele, and MTHFR mutations. Other genetic factors causing thrombosis and pulmonary embolism have been identified in recent studies, including 4G/4G polymorphism of the PAI-1 gene. CASE REPORT A patient with a personal and family history of recurrent thrombosis and pulmonary embolism was admitted to our Internal Medicine Department. After the most common acquired risk factors for thromboembolism were ruled out, the patient and her family members underwent genetic diagnostic testing...
November 2, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29042831/the-impact-of-antithrombin-iii-use-in-achieving-anticoagulant-goals-in-pediatric-patients
#19
Allison J Jones, Keliana L O'Mara, Brian J Kelly, Ravi S Samraj
OBJECTIVES: To determine the percentage of patients with >10% reduction in heparin infusion rate within 48 hours of antithrombin III (ATIII) administration. Secondary objectives include the achievement of therapeutic anticoagulation and determining the days of subtherapeutic infusion prior to supplementation. METHODS: Retrospective chart review of 12 patients younger than 18 years of age who received ATIII concentrate supplementation while on continuous heparin infusion...
September 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/29040284/the-prevalence-and-clinical-manifestation-of-hereditary-thrombophilia-in-korean-patients-with-unprovoked-venous-thromboembolisms
#20
Su Yeon Lee, Eun Kyoug Kim, Min Sun Kim, Sun Hye Shin, Haseong Chang, Shin Yi Jang, Hee-Jin Kim, Duk-Kyung Kim
BACKGROUND: Hereditary thrombophilia (HT) is a genetic predisposition to thrombosis. Asian mutation spectrum of HT is different from Western ones. We investigated the incidence and clinical characteristics of HT in Korean patients with unprovoked venous thromboembolism (VTE). METHODS: Among 369 consecutive patients with thromboembolic event who underwent thrombophilia tests, we enrolled 222 patients diagnosed with unprovoked VTE. The presence of HT was confirmed by DNA sequencing of the genes that cause deficits in natural anticoagulants (NAs)...
2017: PloS One
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