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https://www.readbyqxmd.com/read/29652992/-phenotypic-and-mutational-analysis-of-a-pedigree-affected-with-hereditary-coagulation-factor-%C3%A2-deficiency
#1
Mengcha Tian, Hong Xia, Zhishan Zhang, Yanhui Jin, Kankan Su, Mingshan Wang
OBJECTIVE: To explore the molecular pathogenesis for a pedigree affected with coagulation factor Ⅴ (FⅤ) deficiency. METHODS: Prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), coagulation factor Ⅱ activity (FⅡ: C), FⅤ activity (FⅤ: C), coagulation factor Ⅶ activity (FⅦ: C), and coagulation factor Ⅹ activity (FⅩ: C) were determined with a STAGO automatic coagulometer. FⅤ antigen (FⅤ: Ag) was detected with enzyme linked immunosorbent assay (ELISA)...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29624513/mice-with-diet-induced-obesity-demonstrate-a-relative-prothrombotic-factor-profile-and-a-thicker-aorta-with-reduced-ex-vivo-function
#2
Aykut G Uner, Cengiz Unsal, Humeyra Unsal, Mumin A Erdogan, Ece Koc, Mehmet Ekici, Hamdi Avci, Muharrem Balkaya, Ferda Belge, Lokman Tarin
: Classical risk factors such as cholesterol and lipoproteins are currently not sufficient to explain all physiopathological processes of obesity-related vascular dysfunction as well as atherosclerosis and arteriosclerosis. Therefore, the discovery of potential markers involved in vascular dysfunction in the obese state is still needed. Disturbances in hemostatic factors may be involved in the developmental processes associated with obesity-related cardiovascular disorders. We hypothesized that alterations of several hemostatic factors in the obese state could correlate with the function and morphology of the aorta and it could play an important role in the development of vascular dysfunction...
April 4, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29622820/high-risk-of-coagulopathy-among-type-2-diabetes-mellitus-clients-at-a-municipal-hospital-in-ghana
#3
Richard Kd Ephraim, Yaw A Awuku, Patrick Adu, Lord Tw Ampomah, Prince Adoba, Solomon Panford, Jerry Pk Ninnoni, Hope Agbodzakey
Background: Persistent hyperglycaemia in diabetes mellitus causes coagulopathies due to glycation of haemoglobin, prothrombin, fibrinogen and other proteins involved in the clotting mechanism. Shortened activated partial thromboplastin time (APTT) and prothrombin time (PT) reflect hypercoagulable state, which is associated with an increased thrombotic risk and adverse cardiovascular effects. This study assessed the coagulation profile of type 2 diabetes mellitus (T2DM) clients at a municipal hospital in Ghana...
September 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29621982/using-a-nomogram-based-on-preoperative-serum-fibrinogen-levels-to-predict-recurrence-of-papillary-thyroid-carcinoma
#4
Lei Jianyong, Li Zhihui, Gong Rixiang, Zhu Jingqiang
BACKGROUND: Hyperfibrinogenemia is increasingly being recognized as an important risk factor related to cancer stage, development and outcomes. We evaluated whether preoperative serum fibrinogen levels predict recurrence of papillary thyroid carcinoma (PTC). METHODS: We retrospectively collected data for 1023 PTC patients who underwent surgery at our institution from Aug 2014 to Aug 2016. In total, 414 patients (from Aug 2014 to Dec 2015) were used as the training set to build the model, and 609 patients (from Jan 2016 to Aug 2016) were used as the testing set to validate the model...
April 5, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29616243/disease-related-metabolites-affect-protein-nanoparticle-interactions
#5
Mahdi Tavakol, Abbas Montazeri, Reza Naghdabadi, Mohammad J Hajipour, Saeid Zanganeh, Giulio Caracciolo, Morteza Mahmoudi
Once in biological fluids, the surface of nanoparticles (NPs) is rapidly covered with a layer of biomolecules (i.e., the "protein corona") whose composition strongly determines their biological identity, regulates interactions with biological entities including cells and the immune system, and consequently directs the biological fate and pharmacokinetics of nanoparticles. We recently introduced the concept of a "personalized protein corona" which refers to the formation of different biological identities of the exact same type of NP after being exposed to extract plasmas from individuals who have various types of diseases...
April 4, 2018: Nanoscale
https://www.readbyqxmd.com/read/29615672/morphometric-analysis-of-spread-platelets-identifies-integrin-%C3%AE-iib-%C3%AE-3-specific-contractile-phenotype
#6
Sebastian Lickert, Simona Sorrentino, Jan-Dirk Studt, Ohad Medalia, Viola Vogel, Ingmar Schoen
Haemostatic platelet function is intimately linked to cellular mechanics and cytoskeletal morphology. How cytoskeletal reorganizations give rise to a highly contractile phenotype that is necessary for clot contraction remains poorly understood. To elucidate this process in vitro, we developed a morphometric screen to quantify the spatial organization of actin fibres and vinculin adhesion sites in single spread platelets. Platelets from healthy donors predominantly adopted a bipolar morphology on fibrinogen and fibronectin, whereas distinguishable, more isotropic phenotypes on collagen type I or laminin...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29615540/can-serum-cystatin-c-predict-long-term-survival-in-cardiac-surgery-patients
#7
Valentina Rovella, Giulia Marrone, Mariarita Dessì, Michele Ferrannini, Nicola Toschi, Antonio Pellegrino, Maurizio Casasco, Nicola Di Daniele, Annalisa Noce
Renal dysfunction is a risk factor for morbidity and mortality in cardiac surgery patients. Serum Cystatin C (sCysC) is a well-recognized marker of early renal dysfunction but few reports evaluate its prognostic cardio-vascular role. The aim of the study is to consider the prognostic value of sCysC for cardiovascular mortality. Four hundred twenty-four cardiac-surgery patients (264 men and 160 women) were enrolled. At admission, all patients were tested for renal function and inflammatory status. Patients were subdivided in subgroups according to the values of the following variables: sCysC, serum Creatinine (sCrea), age, high sensitivity-C Reactive Protein, fibrinogen, surgical procedures and Kaplan-Meier cumulative survival curves were plotted...
March 27, 2018: Aging
https://www.readbyqxmd.com/read/29611009/development-of-electrospun-chitosan-polyethylene-oxide-fibrinogen-biocomposite-for-potential-wound-healing-applications
#8
Tony T Yuan, Ann Marie DiGeorge Foushee, Monica C Johnson, Angela R Jockheck-Clark, Jonathan M Stahl
Normal wound healing is a highly complex process that requires the interplay of various growth factors and cell types. Despite advancements in biomaterials, only a few bioactive wound dressings reach the clinical setting. The purpose of this research was to explore the feasibility of electrospinning a novel nanofibrous chitosan (CS)-fibrinogen (Fb) scaffold capable of sustained release of platelet-derived growth factor (PDGF) for the promotion of fibroblast migration and wound healing. CS-Fb scaffolds were successfully electrospun using a dual-spinneret electrospinner and directly evaluated for their physical, chemical, and biological characteristics...
April 2, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29599244/molecular-mechanism-of-extreme-mechanostability-in-a-pathogen-adhesin
#9
Lukas F Milles, Klaus Schulten, Hermann E Gaub, Rafael C Bernardi
High resilience to mechanical stress is key when pathogens adhere to their target and initiate infection. Using atomic force microscopy-based single-molecule force spectroscopy, we explored the mechanical stability of the prototypical staphylococcal adhesin SdrG, which targets a short peptide from human fibrinogen β. Steered molecular dynamics simulations revealed, and single-molecule force spectroscopy experiments confirmed, the mechanism by which this complex withstands forces of over 2 nanonewtons, a regime previously associated with the strength of a covalent bond...
March 30, 2018: Science
https://www.readbyqxmd.com/read/29596409/distinct-inflammatory-profile-underlies-pathological-increases-in-creatinine-levels-associated-with-plasmodium-vivax-malaria-clinical-severity
#10
Luís A B Cruz, Manoel Barral-Netto, Bruno B Andrade
BACKGROUND: Although Plasmodium vivax infection is a frequent cause of malaria worldwide, severe presentations have been more regularly described only in recent years. In this setting, despite clinical descriptions of multi-organ involvement, data associating it with kidney dysfunction are relatively scarce. Here, renal dysfunction is retrospectively analyzed in a large cohort of vivax malaria patients with an attempt to dissect its association with disease severity and mortality, and to determine the role of inflammation in its progression...
March 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29594812/neutrophil-to-lymphocyte-ratio-is-an-independent-predictor-of-30-day-mortality-of-intracerebral-hemorrhage-patients-a-validation-cohort-study
#11
Fei Wang, Li Wang, Ting-Ting Jiang, Jian-Jun Xia, Feng Xu, Li-Juan Shen, Wen-Hui Kang, Yong Ding, Li-Xia Mei, Xue-Feng Ju, Shan-You Hu, Xiao Wu
In a previous study in patients with intracranial hemorrhage (ICH), we found an association between high neutrophil-to-lymphocyte ratio (NLR) with poor short-term mortality. In the current study, this preliminary finding was validated using an independent patient cohort. A total of 181 ICH patients (from January 2016 to December 2017) were included. Diagnosis was confirmed using computed tomography (CT) in all cases. Patient survival (up to 30 days) was compared between subjects with high NLR (above the 7...
March 28, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29577635/carbon-monoxide-releasing-molecule-enhances-coagulation-and-decreases-fibrinolysis-in-normal-canine-plasma
#12
Dillon Donaghy, Seung Yoo, Tyler Johnson, Vance Nielsen, Christine Olver
The dog is an important companion animal and also purpose-bred for research studies. Coagulopathies in dogs are common, although the availability of blood products for therapy is inconsistent throughout the profession. A pro-coagulant therapeutic that is readily available and easily stored would be useful for the treatment of coagulopathies. Tricarbonyldichlororuthenium (II) dimer (CORM-2) acts as a prothrombotic agent in plasma by increasing the velocity of clot formation and clot strength, and by decreasing the clot's vulnerability to fibrinolysis...
March 25, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29576814/preliminary-data-from-the-study-of-coagulative-profile-of-hiv-infected-individuals-suggest-a-role-for-point-mutations-in-the-gene-in-protein-s-deficiency-in-individuals-undergoing-highly-antiretroviral-therapy
#13
Mariantonietta Di Stefano, Giovanna D'Andrea, Fabio Zoboli, Giuseppina Faleo, Massimo Fasano, Domenico Martinelli, Maurizio Margaglione, Teresa A Santantonio, Josè R Fiore
Background: HIV infection is a known prothrombotic condition but factors involved are still controversial. A role for antiretrovirals, especially protease inhibitors, was advocated. Objectives: The study aimed to analyze the levels of anticoagulant proteins in virally suppressed HIV-infected subjects treated with different anti-retroviral regimens. Materials and Methods: Forty-four patients were included in the study. C and PS, D-Dimers and Fibrinogen levels were determined as well as APC-resistance...
2018: Open AIDS Journal
https://www.readbyqxmd.com/read/29573126/the-influence-of-thyroid-function-on-the-coagulation-system-and-its-clinical-consequences
#14
REVIEW
L P B Elbers, E Fliers, S C Cannegieter
Several studies indicate that low plasma levels of thyroid hormone shift the hemostatic system towards a hypocoagulable and hyperfibrinolytic state, whereas high levels of thyroid hormone lead to more coagulation and less fibrinolysis. Low levels of thyroid hormone thereby seem to lead to an increased bleeding risk, whereas high levels, by contrast, increase the risk of venous thromboembolism. Hypothyroidism leads to a higher incidence of acquired von Willebrand's syndrome and with increasing levels of free thyroxine, levels of fibrinogen, factor VIII and von Willebrand factor, amongst others, increase gradually, to the extent that they may lead to symptomatic venous thromboembolism in patients with hyperthyroidism...
March 23, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29572500/basophil-lineage-commitment-in-acute-promyelocytic-leukemia-predicts-for-severe-bleeding-after-starting-therapy
#15
Sergio Matarraz, Pilar Leoz, Carlos Fernández, Enrique Colado, María Carmen Chillón, María Belén Vidriales, Marcos González, Daniel Rivera, Carlos Salvador Osuna, Teresa Caballero-Velázquez, Vincent Van Der Velden, Mojca Jongen-Lavrencic, Oliver Gutiérrez, Ana Yeguas Bermejo, Luis García Alonso, Monique Bourgeois García, Cristina De Ramón Sánchez, Gloria García-Donas, Aránzazu García Mateo, Isabel Recio, Javier Sánchez-Real, Andrea Mayado, María Laura Gutiérrez, Paloma Bárcena, Susana Barrena, Antonio López, Jacques Van Dongen, Alberto Orfao
Severe hemorrhagic events occur in a significant fraction of acute promyelocytic leukemia patients, either at presentation and/or early after starting therapy, leading to treatment failure and early deaths. However, identification of independent predictors for high-risk of severe bleeding at diagnosis, remains a challenge. Here, we investigated the immunophenotype of bone marrow leukemic cells from 109 newly diagnosed acute promyelocytic leukemia patients, particularly focusing on the identification of basophil-related features, and their potential association with severe bleeding episodes and patient overall survival...
March 23, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29565968/blood-coagulation-abnormalities-in-multibacillary-leprosy-patients
#16
Débora Santos da Silva, Lisandra Antonia Castro Teixeira, Daniela Gois Beghini, André Teixeira da Silva Ferreira, Márcia de Berredo Moreira Pinho, Patricia Sammarco Rosa, Marli Rambaldi Ribeiro, Monica Di Calafiori Freire, Mariana Andrea Hacker, José Augusto da Costa Nery, Maria Cristina Vidal Pessolani, Ana Maria Freire Tovar, Euzenir Nunes Sarno, Jonas Perales, Fernando Augusto Bozza, Danuza Esquenazi, Robson Queiroz Monteiro, Flavio Alves Lara
BACKGROUND: Leprosy is a chronic dermato-neurological disease caused by Mycobacterium leprae infection. In 2016, more than 200,000 new cases of leprosy were detected around the world, representing the most frequent cause of infectious irreversible deformities and disabilities. PRINCIPAL FINDINGS: In the present work, we demonstrate a consistent procoagulant profile on 40 reactional and non-reactional multibacillary leprosy patients. A retrospective analysis in search of signs of coagulation abnormalities among 638 leprosy patients identified 35 leprosy patients (5...
March 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29561062/how-viscoelastic-is-human-blood-plasma
#17
S Varchanis, Y Dimakopoulos, C Wagner, J Tsamopoulos
Blood plasma has been considered a Newtonian fluid for decades. Recent experiments (Brust et al., Phys. Rev. Lett., 2013, 110) revealed that blood plasma has a pronounced viscoelastic behavior. This claim was based on purely elastic effects observed in the collapse of a thin plasma filament and the fast flow of plasma inside a contraction-expansion microchannel. However, due to the fact that plasma is a solution with very low viscosity, conventional rotational rheometers are not able to stretch the proteins effectively and thus, provide information about the viscoelastic properties of plasma...
March 21, 2018: Soft Matter
https://www.readbyqxmd.com/read/29552010/omega-3-fatty-acid-supplementation-improves-endothelial-function-in-primary-antiphospholipid-syndrome-a-small-scale-randomized-double-blind-placebo-controlled-trial
#18
Sheylla M Felau, Lucas P Sales, Marina Y Solis, Ana Paula Hayashi, Hamilton Roschel, Ana Lúcia Sá-Pinto, Danieli Castro Oliveira De Andrade, Keyla Y Katayama, Maria Claudia Irigoyen, Fernanda Consolim-Colombo, Eloisa Bonfa, Bruno Gualano, Fabiana B Benatti
Endothelial cells are thought to play a central role in the pathogenesis of antiphospholipid syndrome (APS). Omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation has been shown to improve endothelial function in a number of diseases; thus, it could be of high clinical relevance in APS. The aim of this study was to evaluate the efficacy of n-3 PUFA supplementation on endothelial function (primary outcome) of patients with primary APS (PAPS). A 16-week randomized clinical trial was conducted with 22 adult women with PAPS...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29551487/left-atrial-function-inflammation-and-prothrombotic-response-after-radiofrequency-ablation-for-atrial-fibrillation
#19
Guangli Yin, Ruiqin Xie, Ling You, Hongning Yin, Yucui Sun, Jinglan Wu, Yansha Zhao, Xue Geng, Yanan Zhang
BACKGROUND: The conversion of atrial fibrillation (AF) to sinus rhythm is associated with transient dysfunction of the left atrium (LA). This study aimed to investigate the time course of LA function and inflammation after radiofrequency (RF) ablation for paroxysmal AF. METHODS: Fifty-three patients with paroxysmal AF undergoing RF ablation were recruited. White blood cells were counted and high-sensitivity C-reactive protein (hs-CRP), fibrinogen, and D-dimer levels were measured...
March 15, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29549779/ssri-reduced-platelet-reactivity-in-non-responding-patients-with-life-long-recurrent-depressive-disorder-detection-and-involved-mechanisms
#20
Boris Aleksovski, Violeta Neceva, Viktorija Vujović, Nensi Manusheva, Vladimir Rendevski, Antoni Novotni, Ana Filipce, Anastazija Spasovska, Aspazija Sofijanova, Vasko Aleksovski, Icko Gjorgoski
INTRODUCTION: Adverse effects with bleeding disorders are often associated with the administration of SSRI in depression, although the exact mechanisms remain contradicting. This study is aimed at detecting and exploring the mechanisms of SSRI-induced changes in platelet reactivity in non-responding patients with Recurrent Depressive Disorder (RDD) and life-long exposure to antidepressants. MATERIALS AND METHODS: Thirty-one patients and thirty-one healthy controls were included in the study...
March 10, 2018: Thrombosis Research
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