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Fibrinogen

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https://www.readbyqxmd.com/read/29244742/fibrinogen-gamma-chain-mutations-provoke-fibrinogen-and-apolipoprotein-b-plasma-deficiency-and-liver-storage
#1
Francesco Callea, Isabella Giovannoni, Sinan Sari, Esendagli Guldal, Buket Dalgic, Gulen Akyol, Tsuyoshi Sogo, Abdulrahman Al-Hussaini, Giuseppe Maggiore, Andrea Bartuli, Renata Boldrini, Paola Francalanci, Emanuele Bellacchio
p.R375W (Fibrinogen Aguadilla) is one out of seven identified mutations (Brescia, Aguadilla, Angers, Al du Pont, Pisa, Beograd, and Ankara) causing hepatic storage of the mutant fibrinogen γ. The Aguadilla mutation has been reported in children from the Caribbean, Europe, Japan, Saudi Arabia, Turkey, and China. All reported children presented with a variable degree of histologically proven chronic liver disease and low plasma fibrinogen levels. In addition, one Japanese and one Turkish child had concomitant hypo-APOB-lipoproteinemia of unknown origin...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29243487/assessing-a-multiplex-targeted-proteomics-approach-for-the-clinical-diagnosis-of-periodontitis-using-saliva-samples
#2
Brenda Mertens, Valérie Orti, Jérôme Vialaret, Philippe Gibert, Aroa Relaño-Ginés, Sylvain Lehmann, Dominique Deville de Périère, Christophe Hirtz
AIM: The present study focused on the research of new biomarkers based on the liquid chromatography-multiple-reaction monitoring (MRM) proteomic profile in whole saliva of patients with periodontitis compared with periodontal healthy patients. METHODS: A 30-min multiplexed liquid chromatography-MRM method was used for absolute quantification of 35 plasma biomarkers in saliva from control patients and patients with periodontitis. RESULTS: Three proteins namely hemopexin, plasminogen and α-fibrinogen were shown to be clearly related to the presence of periodontitis compared with healthy patients...
December 15, 2017: Bioanalysis
https://www.readbyqxmd.com/read/29243176/understanding-and-reducing-complex-systems-pharmacology-models-based-on-a-novel-input-response-index
#3
Jane Knöchel, Charlotte Kloft, Wilhelm Huisinga
A growing understanding of complex processes in biology has led to large-scale mechanistic models of pharmacologically relevant processes. These models are increasingly used to study the response of the system to a given input or stimulus, e.g., after drug administration. Understanding the input-response relationship, however, is often a challenging task due to the complexity of the interactions between its constituents as well as the size of the models. An approach that quantifies the importance of the different constituents for a given input-output relationship and allows to reduce the dynamics to its essential features is therefore highly desirable...
December 14, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/29242293/variable-impairment-of-platelet-functions-in-patients-with-severe-genetically-linked-immune-deficiencies
#4
Magdolna Nagy, Tom G Mastenbroek, Nadine J A Mattheij, Susanne de Witt, Kenneth J Clemetson, Janbernd Kirschner, Ansgar S Schulz, Thomas Vraetz, Carsten Speckmann, Attila Braun, Judith M E M Cosemans, Barbara Zieger, Johan W M Heemskerk
In patients with dysfunctions of the Ca2+ channel ORAI1, stromal interaction molecule 1 (STIM1) or integrin-regulating kindlin-3 (FERMT3), severe immunodeficiency is frequently linked to abnormal platelet activity. In this paper, we studied in nine rare patients, including relatives, with confirmed genetic mutations of ORAI1, STIM1 or FERMT3, platelet responsiveness by multi-parameter assessment of whole blood thrombus formation under high-shear flow conditions. In platelets isolated from 5 out of 6 patients with ORAI1 or STIM1 mutations, store-operated Ca2+ entry (SOCE) was (in)completely defective compared to control platelets...
December 14, 2017: Haematologica
https://www.readbyqxmd.com/read/29241668/neutrophil-to-lymphocyte-ratio-is-a-strong-predictor-of-atherosclerotic-carotid-plaques-in-older-adults
#5
T Corriere, S Di Marca, E Cataudella, A Pulvirenti, S Alaimo, B Stancanelli, L Malatino
BACKGROUND AND AIMS: The Neutrophil-to-Lymphocyte Ratio (NLR), an index of systemic inflammation, has been reported to be associated with subclinical atherosclerosis, but its predictive role of the presence of carotid atherosclerotic plaques remains undefined. This study aims to assess this association which gives additional value to this biomarker, with respect to the main risk factors, in the prediction of carotid atherosclerosis in older adults. METHODS AND RESULTS: We recruited 324 patients, aged ≥65 years, without hematopoietic disorders, and/or history of malignancies, evidence of acute infections, chronic inflammatory status, and history of glucocorticoid therapy within the past three months, hospitalized in the Unit of Internal Medicine, University of Catania, Catania, Italy from January 2014 to December 2016...
November 5, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29240685/fibrinogen-as-a-pleiotropic-protein-causing-human-diseases-the-mutational-burden-of-a%C3%AE-b%C3%AE-and-%C3%AE-chains
#6
Elvezia Maria Paraboschi, Stefano Duga, Rosanna Asselta
Fibrinogen is a highly pleiotropic protein that is involved in the final step of the coagulation cascade, wound healing, inflammation, and angiogenesis. Heterozygous mutations in Aα, Bβ, or γ fibrinogen-chain genes (FGA, FGB, FGG) have been described as being responsible for fibrinogen deficiencies (hypofibrinogenemia, hypo-dysfibrinogenemia, dysfibrinogenemia) and for more rare conditions, such as fibrinogen storage disease and hereditary renal amyloidosis. Instead, biallelic mutations have been associated with afibrinogenemia/severe hypofibrinogenemia, i...
December 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29240434/fibrinogen-motif-discriminates-platelet-and-cell-capture-at-peptide-modified-gold-micropore-arrays
#7
Kellie Adamson, Elaine Spain, Una Prendergast, Niamh Moran, Robert J Forster, Tia E Keyes
Human blood platelets and SK-N-AS neuroblastoma cancer cell capture at spontaneously adsorbed monolayers of fibrinogen binding motifs GRGDS (generic integrin adhesion), HHLGGAKQAGDV (exclusive to platelet integrin αIIbβ3) or octanethiol (adhesion inhibitor) at planar gold and ordered 1.6 micron diameter spherical cap gold cavity arrays was compared. In all cases, RGD promoted capture while alkanethiol monolayers inhibited adhesion. Conversely only platelets adhered to AGD modified surfaces, indicating the AGD motif is recognized preferentially by the platelet specific integrin, αIIbβ3...
December 14, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29240268/assessment-of-procoagulant-potential-in-patients-with-reactive-thrombocytosis-and-its-association-with-platelet-count
#8
Amihai Rottenstreich, Ela Shai, Geffen Kleinstern, Galia Spectre, David Varon, Yosef Kalish
OBJECTIVE: We aimed to determine hemostatic changes and characterize the procoagulant potential among reactive thrombocytosis (RT) patients. METHODS: Sixty RT patients (median platelet count 718X109 /L) and 20 healthy persons were tested for complete blood count, C-reactive protein, von Willebrand factor (VWF), factor VIII and fibrinogen, and thrombin generation. Platelet studies, including light transmission aggregometry and Cone and Plate(let) Analyzer, were also conducted...
December 14, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29239953/the-impact-of-prehospital-tranexamic-acid-on-blood-coagulation-in-trauma-patients
#9
Philipp Stein, Jan-Dirk Studt, Roland Albrecht, Stefan Müller, Dieter von Ow, Simon Fischer, Burkhardt Seifert, Sergio Mariotti, Donat R Spahn, Oliver M Theusinger
BACKGROUND: There is limited data on prehospital administration of tranexamic acid (TXA) in civilian trauma. The aim of this study was to evaluate changes in coagulation after severe trauma from on-scene to the hospital after TXA application in comparison to a previous study without TXA. METHODS: The study protocol was registered at ClinicalTrials.gov (NCT02354885). A prospective, multicenter, observational study investigating coagulation status in 70 trauma patients receiving TXA (1 g intravenously) on-scene versus a control group of 38 patients previously published without TXA...
December 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29238971/postauthorization-safety-study-of-clottafact%C3%A2-a-triply-secured-fibrinogen-concentrate-in-acquired-fibrinogen-deficiency-a-prospective-observational-study
#10
C Négrier, A-S Ducloy-Bouthors, V Piriou, E De Maistre, N Stieltjes, A Borel-Derlon, P Colson, J Picard, T Lambert, S Claeyssens, S Boileau, A Bertrand, M-H André, F Fourrier, Y Ozier, P Sié, Y Gruel, Z Tellier
BACKGROUND AND OBJECTIVES: A postauthorization safety study was performed between 2009 and 2012 to describe the use of Clottafact® in acquired fibrinogen deficiency in real-life medical practice in France. MATERIALS AND METHODS: One hundred and fifty patients were planned for 28 days of prospective follow-up after infusion. The analysis of this observational study was descriptive and performed according to the type of treatment (curative or preventive) and the origin of the bleed...
December 13, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29237149/association-of-antibodies-to-citrullinated-protein-antigens-with-blood-pressure-in-first-degree-relatives-of-rheumatoid-arthritis-patients-the-studies-of-the-etiology-of-rheumatoid-arthritis
#11
Jan M Hughes-Austin, Ryan W Gan, Kevin D Deane, Michael H Weisman, M Kristen Demoruelle, Jeremy Sokolove, William H Robinson, V Michael Holers, Jill M Norris, Joachim H Ix
BACKGROUND: Hypertension is more common in patients with rheumatoid arthritis (RA) than in the general population. It is unknown whether hypertension is due to RA-related medications or the disease itself. Therefore, we sought to investigate associations between RA-related autoantibodies, specifically antibodies to citrullinated protein antigens (ACPA) and systolic blood pressure (SBP) and diastolic blood pressure (DBP) in first-degree relatives of RA patients, who were free of RA and RA-related medications...
December 13, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29235504/the-%C3%AE-fibrinogen-gene-455g-a-polymorphism-associated-with-cardioembolic-stroke-in-atrial-fibrillation-with-low-cha2ds2-vasc-score
#12
Xiaofeng Hu, Junjun Wang, Yaguo Li, Jiong Wu, Song Qiao, Shanhu Xu, Jun Huang, Linhui Chen
Previous work has suggested that ischemic stroke (IS) may be more likely to occur in individuals with a genetic predisposition. In this study, we investigated the potential association of IS-relevant genetic risk factors with cardioembolic stroke (CES) in atrial fibrillation (AF) patients with low CHA2DS2-VaSc score. Genotyping was performed using the GenomeLab SNPstream genotyping platform for five IS-relevant SNPs (MMP-9 C1562T, ALOX5AP SG13S114A/T, MTHFR 677 C/T, FGB 455 G/A, and eNOS G298A) in 479 AF patients with CES and 580 age and sex-matched AF patients without CES...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29234431/protective-effects-of-total-flavones-of-elaeagnus-rhamnoides-l-a-nelson-against-vascular-endothelial-injury-in-blood-stasis-model-rats
#13
Zhicheng Wei, Fang Zuo, Wenqian Wang, Li Wang, Dong Tong, Yong Zeng, Ping Wang, Xianli Meng, Yi Zhang
The aim was to evaluate the protective effects of total flavones of Elaeagnus rhamnoides (L.) A. Nelson (TFE) against vascular endothelial injury in blood stasis model rats and explore the potential mechanisms preliminarily. The model of blood stasis rat model with vascular endothelial injury was induced by subcutaneous injection of adrenaline combined with ice-water bath. Whole blood viscosity (WBV), histological examination, and prothrombin time (PT), activated partial thromboplastin time (APTT), and fibrinogen (FIB) were measured...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29232972/association-of-resting-heart-rate-with-arterial-stiffness-and-low-grade-inflammation-in-women-with-systemic-lupus-erythematosus
#14
José Antonio Vargas-Hitos, Alberto Soriano-Maldonado, Josefa Martínez-Bordonado, Isabel Sánchez-Berná, Daniel Fernández-Bergés, José Mario Sabio
Resting heart rate (RHR) is associated with arterial stiffness, inflammation, and cardiovascular (CV) and all-cause mortality in the general population and in patients at high CV risk. We assessed the association of RHR with arterial stiffness and low-grade inflammation (LGI) in a cross-sectional study that included 101 women with systemic lupus erythematosus (SLE) without a history of CV disease or arrhythmia or who were under treatment that may cause bradycardia. Pulse wave velocity (PWV; a measure of arterial stiffness), RHR, and markers of LGI (ie, C-reactive protein, fibrinogen, erythrocyte sedimentation rate, insulin, and homeostatic model assessment index) were measured...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/29232592/the-impact-of-oral-arsenic-and-all-trans-retinoic-acid-on-coagulopathy-in-acute-promyelocytic-leukemia
#15
Hong-Hu Zhu, Zhi-Ping Guo, Jin-Song Jia, Qian Jiang, Hao Jiang, Xiao-Jun Huang
The aim of our study was to evaluate the impact of oral arsenic (the realgar-indigo naturalis formula, RIF) and all-trans retinoic acid (ATRA) on coagulopathy in acute promyelocytic leukemia (APL) compared with intravenous arsenic trioxide (ATO) and ATRA during induction. Mitoxantrone was added to all the patients at a dose of 1.4mg/m2 per day for 5-7 days. D-dimer levels, prothrombin time (PT), fibrinogen (Fbg) levels and the platelet count were comparably analyzed among 83 newly diagnosed APL patients treated with RIF (n=45) or with ATO (n=38)...
November 15, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29230616/elevated-inflammation-in-association-with-alcohol-abuse-among-blacks-but-not-whites-results-from-the-midus-biomarker-study
#16
Yusuf Ransome, Natalie Slopen, Oskar Karlsson, David R Williams
Some studies document racial disparities in self-reported health associated with alcohol use and abuse. However, few studies examined biomarkers that underlie the onset of alcohol-related chronic diseases. We investigated whether the association between alcohol abuse and five biomarkers of inflammation (CRP, IL-6, fibrinogen, E-selectin, sICAM-1) vary between Black and White Americans aged 35 to 84 (n = 1173) from the Midlife in the United States Biomarker Study. Multivariable Ordinary Least Squares regressions were used to assess Black-White differences in the association between alcohol abuse and the biomarkers...
December 11, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29230608/combinatorial-therapy-with-two-pro-coagulants-and-one-osmotic-agent-reduces-the-extent-of-the-lesion-in-the-acute-phase-of-spinal-cord-injury-in-the-rat
#17
Mathieu Boutonnet, Elisabeth Laemmel, Eric Vicaut, Jacques Duranteau, Marc Soubeyrand
BACKGROUND: Spinal cord injury (SCI) is a complex disease that leads to a motor, sensitive, and vegetative impairment. So far, single therapies are ineffective for treating SCI in humans and a multifactorial therapeutic approach may be required. The aim of this work was to assess the effect of a triple therapy (TT) associating two pro-coagulant therapies (tranexamic acid and fibrinogen) with an anti-edema therapy (hypertonic saline solution), on the extent of the lesion 24 h post-injury...
December 11, 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/29228894/is-therapeutic-hypothermia-during-neonatal-extracorporeal-membrane-oxygenation-associated-with-intracranial-hemorrhage
#18
Katherine Cashen, Ron W Reeder, Christina Shanti, Heidi J Dalton, J Michael Dean, Kathleen L Meert
INTRODUCTION: The use of therapeutic hypothermia during neonatal extracorporeal membrane oxygenation (ECMO) as a neurologic protective strategy has gained interest among clinicians despite limited data. Our objective is to describe the relationship between the use of therapeutic hypothermia during neonatal ECMO and complications, mortality and functional status among survivors. METHODS: Secondary analysis of data collected by the Collaborative Pediatric Critical Care Research Network between December 2012 and September 2014...
December 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29228758/elevated-serum-fibrinogen-level-is-an-independent-risk-factor-for-iga-nephropathy
#19
Ji Zhang, Chaosheng Chen, Qiongxiu Zhou, Shubei Zheng, Yinqiu Lv, Jianna Zhang, Xiaohan You, Zhanyuan Li, Zhihong Zhou, Min Pan
Background: IgA nephropathy is a primary cause of renal failure, and inflammation and renal fibrosis are the main mechanisms leading to kidney damage. The serum fibrinogen level is closely related to inflammatory states, but its relationship to the prognosis of IgA nephropathy (IgAN) is unclear. Materials and Methods: 1053 patients diagnosed with IgAN after renal biopsy were enrolled from two Nephrology Departments. Demographic and clinical data and histopathological features were collected...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227167/diagnosis-of-platelet-function-disorders-a-standardized-rational-and-modular-flow-cytometric-approach
#20
Oliver Andres, Katja Henning, Gabriele Strauß, Annerose Pflug, Georgi Manukjan, Harald Schulze
A high proportion of patients with mucocutaneous bleeding diathesis and suspected inherited or acquired platelet disorder remain without diagnosis even after comprehensive laboratory testing. Since flow cytometry allows investigation of resting and activated platelets on the single cell level by requiring only minimal amounts of blood, this method has become an important assay within the diagnostic algorithm, especially in pediatrics. We therefore developed a standardized and modular flow cytometric approach that contributes to clarify impaired platelet function in a rational step-by-step manner...
December 11, 2017: Platelets
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