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Anti coagulants

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https://www.readbyqxmd.com/read/29674197/villous-explants-from-preeclamptic-placentas-induce-sflt1-in-pbmcs-an-ex-vivo-co-culture-study
#1
Stephen Kyle Gonzales, Martina Badell, Hanh Cottrell, Bassam Rimawi, Venkataraman Deepak, Neil Sidell, Augustine Rajakumar
OBJECTIVES: Soluble Flt1 (sFlt1) is an anti-angiogenic protein linked to the pathology of preeclampsia (PE). While the placenta serves as the major organ producing sFlt1 during normal pregnancy, peripheral blood mononuclear cells (PBMCs), endothelial cells, and stromal cells also produce sFlt1. The key question is 'what drives the overexpression of sFlt1 observed during PE?' In the present work we show evidence for sFlt1 over-expression in PBMCs due to interaction with placental villi from PE patients...
February 25, 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29673871/tailored-on-demand-anti-coagulant-dosing-an-in-vitro-and-in-vivo-evaluation-of-3d-printed-purpose-designed-oral-dosage-forms
#2
Basel Arafat, Nidal Qinna, Milena Cieszynska, Robert T Forbes, Mohamed A Alhnan
Coumarin therapy has been associated with high levels of inter- and intra-individual variation in the required dose to reach a therapeutic anticoagulation outcome. Therefore, a dynamic system that is able to achieve accurate delivery of a warfarin dose is of significant importance. Here we assess, the ability of 3D printing to fabricate and deliver tailored individualised precision dosing using an in-vitro model. Sodium warfarin loaded filaments were compounded using hot melt extrusion (HME) and further fabricated via fused deposition modelling (FDM) 3D printing to produce capsular-ovoid-shaped dosage forms loaded at 200 and 400 µg dose...
April 16, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29673652/the-checklist-manifesto-for-mechanical-circulatory-support-targeting-anti-coagulation-efficiency
#3
EDITORIAL
Patricia A Uber, Hector O Ventura
No abstract text is available yet for this article.
May 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29672166/the-effect-of-leech-extracts-on-endothelial-cell-coagulation-related-factors-and-endothelial-dysfuction-related-molecules
#4
Lixu Xu, Xue Li, E Zhang, Hao Liang, Weiting Li, Shangyi Wang, Shuliang Song, Aiguo Ji
OBJECTIVE: This study was focused on screening leech extracts to identify those with little or no anti-coagulation effect or with significant anti-endothelial dysfunction activity. METHODS: Different leech extracts were prepared by enzymolysis and microbial transformation and their cytotoxicity were measured by MTT assay. The effect of different leech extracts on mRNA expression of coagulation-related factors (PAI, vWF, tPA, PS, TFPI, TM) was quantified by RT-PCR...
April 19, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29669785/-mycobacterium-tuberculosis-ppe18-protein-reduces-inflammation-and-increases-survival-in-animal-model-of-sepsis
#5
Asma Ahmed, Komal Dolasia, Sangita Mukhopadhyay
Mycobacterium tuberculosis PPE18 is a member of the PPE family. Previous studies have shown that recombinant PPE18 (rPPE18) protein binds to TLR2 and triggers a signaling cascade which reduces levels of TNF-α and IL-12, and increases IL-10 in macrophages. Because TNF-α is a major mediator of the pathophysiology of sepsis and blocking inflammation is a possible line of therapy in such circumstances, we tested the efficacy of rPPE18 in reducing symptoms of sepsis in a mouse model of Escherichia coli- induced septic peritonitis...
April 18, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29669385/apolipoprotein-m-protects-lipopolysaccharide-treated-mice-from-death-and-organ-injury
#6
Makoto Kurano, Koichi Tsuneyama, Yuki Morimoto, Tomo Shimizu, Masahiro Jona, Hidetoshi Kassai, Kazuki Nakao, Atsu Aiba, Yutaka Yatomi
OBJECTIVE:  High-density lipoprotein (HDL) has been epidemiologically shown to be associated with the outcome of sepsis. One potential mechanism is that HDL possesses pleiotropic effects, such as anti-apoptosis, some of which can be ascribed to sphingosine 1-phosphate (S1P) carried on HDL via apolipoprotein M (apoM). Therefore, the aim of this study was to elucidate the roles of apoM/S1P in the consequent lethal conditions of sepsis, such as multiple organ failure caused by severe inflammation and/or disseminated intravascular coagulation...
April 18, 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29667548/flavonoids-and-platelet-derived-thrombotic-disorders
#7
Jose J Lopez, Mohammed El Haouari, Isaac Jardin, Nieves Alonso, Sergio Regodon, Raquel Diez Bello, Pedro Cosme Redondo, Juan A Rosado
Thrombotic disorders are characterized by an increase in the probability of the formation of unnecessary thrombi that might be due to the activation of the coagulation cascade or the circulating platelets. Platelets or thrombocytes play an essential role in hemostasis but abnormal platelet function leads to the development of a number of cardiovascular complications, including thrombotic disorders. Under pathological conditions, platelets are associated with the development of different thrombotic disorders, including atherosclerosis, arterial thrombosis and stroke, deep venous thrombosis and pulmonary embolism; therefore, platelets are the target of a number of anti-thrombotic strategies...
April 17, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29666519/effect-of-composition-and-storage-time-on-some-physico-chemical-and-rheological-properties-of-probiotic-soy-cheese-spread
#8
Saroj Kumar Giri, Manoj Kumar Tripathi, Nachiket Kotwaliwale
Probiotic soy-cheese spread was prepared by fermenting soymilk with specific probiotic starter culture, and there after processing the coagulated mass. Soy cheese spread samples had more than 109  cfu/g of viable probiotic count at the time of preparation; and had around 17.6% protein, 25.3% fat and 19.8% total soluble sugar. Compared to commercially available dairy cheese spread, probiotic soy cheese spread had significantly higher protein and anti-oxidant activity. Soy cheese spreads, prepared from pure soymilk as well as by mixing with dairy milk, were studied with respect to the differences in their rheological behavior during storage at refrigerated conditions...
May 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29663995/-risk-factors-of-atrial-fibrillation-in-critical-ill-patients
#9
Jianyu Fu, Hongying Bi, Yunsong Xia, Hui Fang, Xu Liu, Yan Tang, Difen Wang
OBJECTIVE: To observe the clinical features of atrial fibrillation (AF) patients, and to explore the correlation between the routine detection index and the new-onset AF and to find out risk factors for new AF in critically ill patients. METHODS: A prospective observational study was conducted. The patients with AF admitted to intensive care unit (ICU) of the Affiliated Hospital of Guizhou Medical University from March 2016 to June 2017 were enrolled. The patients were divided into new-onset AF group and past-existed AF group according to their past history of AF (including persistent AF, paroxysmal AF or permanent AF)...
April 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29662195/ngr-asn-gly-arg-targeted-delivery-of-coagulase-to-tumor-vasculature-arrests-cancer-cell-growth
#10
Khaled Seidi, Rana Jahanban-Esfahlan, Hassan Monhemi, Peyman Zare, Babak Minofar, Amir Daei Farshchi Adli, Davoud Farajzadeh, Ramezan Behzadi, Mehran Mesgari Abbasi, Heidi A Neubauer, Richard Moriggl, Nosratollah Zarghami, Tahereh Javaheri
Induction of selective thrombosis and infarction in tumor-feeding vessels represents an attractive strategy to combat cancer. Here we took advantage of the unique coagulation properties of staphylocoagulase and genetically engineered it to generate a new fusion protein with novel anti-cancer properties. This novel bi-functional protein consists of truncated coagulase (tCoa) and an NGR (GNGRAHA) motif that recognizes CD13 and αv β3 integrin receptors, targeting it to tumor endothelial cells. Herein, we report that tCoa coupled by its C-terminus to an NGR sequence retained its normal binding activity with prothrombin and av β3 integrins, as confirmed in silico and in vitro...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29655810/a-review-of-interventions-to-increase-vena-cava-filter-retrieval-rates
#11
REVIEW
Amie Goodin, Qiong Han, Driss Raissi, Joshua D Brown
OBJECTIVE: Inferior vena cava filters (IVCFs) are indicated for therapeutic and prophylactic treatment of venous thromboembolism in patients where anti-coagulation has failed or is contraindicated. Retrievable IVCFs are not always retrieved despite clinical recommendations. The purpose of this review is to compare results in the literature regarding interventions to improve IVCF retrieval rates. METHODS: Articles were identified via the search terms "vena cava filters" and "inferior vena cava filters" in conjunction with "retrieval...
April 12, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29655662/evaluation-of-low-intensity-anti-coagulation-with-a-fully-magnetically-levitated-centrifugal-flow-circulatory-pump-the-magentum-1-study
#12
Ivan Netuka, Peter Ivák, Zuzana Tučanová, Stanislav Gregor, Ondrej Szárszoi, Poornima Sood, Daniel Crandall, Jessica Rimsans, Jean Marie Connors, Mandeep R Mehra
BACKGROUND: The HeartMate 3 left ventricular assist system is engineered to avoid pump thrombosis, yet bleeding complications persist. We investigated the safety of low-intensity anti-coagulation in patients with the HeartMate 3. METHODS: The Minimal AnticoaGulation EvaluatioNTo aUgment heMocompatibility (MAGENTUM 1) pilot study is a prospective, single-arm study of low-intensity warfarin anti-coagulation in patients implanted with the HeartMate 3 pump. After standard warfarin anti-coagulation (international normalized ratio [INR] 2...
March 27, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29650295/acquired-von-willebrand-syndrome-and-impaired-platelet-function-during-venovenous-extracorporeal-membrane-oxygenation-rapid-onset-and-fast-recovery
#13
Johannes Kalbhenn, Axel Schlagenhauf, Simone Rosenfelder, Axel Schmutz, Barbara Zieger
BACKGROUND: Bleeding contributes to the high mortality of venovenous extracorporeal membrane oxygenation (vvECMO). The development of acquired von Willebrand syndrome (AVWS) has been identified as relevant pathology during ECMO. This study was performed to determine the onset of AVWS after implantation and the recovery of von Willebrand factor (VWF) parameters after explantation of ECMO in a large cohort of patients. METHODS: VWF parameters of 59 patients treated with vvECMO at a university ECMO center were obtained before ECMO implantation, during therapy, and after explantation...
March 17, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29645406/modified-clot-waveform-analysis-to-measure-plasma-coagulation-potential-in-the-presence-of-the-anti-factor-ixa-factor-x-bispecific-antibody-emicizumab
#14
Keiji Nogami, Tomoko Matsumoto, Yuka Tabuchi, Tetsuhiro Soeda, Nobuo Arai, Takehisa Kitazawa, Midori Shima
BACKGROUND: Emicizumab is an anti-factor (F)IXa/FX bispecific antibody that mimics FVIIIa cofactor function. Emicizumab does not require activation by thrombin and its effect on shortening activated partial prothrombin time (aPTT) is much greater relative to FVIII. The aPTT has limited utility, therefore, in hemophilia A patients (HA-pts) treated with emicizumab. AIM: To evaluate the global coagulation potential of emicizumab. METHODS: Clot waveform analysis (CWA) with prothrombin time (PT)/aPTT-mixed reagents was used to define hemostatic monitoring protocols in HA-pts...
April 12, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29644269/blunt-traumatic-celiac-artery-avulsion-managed-with-celiac-artery-ligation-and-open-aorto-celiac-bypass
#15
Matthew D Kronick, Andrew R Doben, Marvin E Morris, Ronald I Gross, Amanda Kravetz, Jeffry T Nahmias
Traumatic celiac artery injuries are rare and highly lethal with reported mortality rates of 38-62%. The vast majority are caused by penetrating trauma with only 11 reported cases due to blunt trauma (Graham et al., 1978; Asensio et al., 2000, 2002). Only 3 of these cases were complete celiac artery avulsions. Management options described depend upon the type of injury and have included medical therapy with anti-platelet agents or anti-coagulants, endovascular stenting, and open ligation. We report a case of a survivor of complete celiac artery avulsion from blunt trauma managed by open bypass...
October 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29623883/evaluation-of-the-coagulometer-sta-r-max-%C3%A2-stago-for-routine-coagulation-parameters
#16
Justine Brulé, Thomas Sinegre, Bruno Pereira, Marc G Berger, Anne-Françoise Serre-Sapin, Aurélien Lebreton
The STA R Max® is a fully automated multiparameter coagulometer using clotting (viscosity-based detection system), chromogenic and immunologic assays. STA R Max® is equipped with an innovative software (STA Coag Expert® ) designed to assist laboratory in accreditation. The aim of this study was to evaluate its performances for the certification according to ISO 15189 quality standard in the haemostasis unit of our university hospital. The following tests were evaluated: prothrombin time (PT), activated partial thromboplastin time (aPTT), kaolin cephalin clotting time (KCCT), fibrinogen, anti-Xa assay and D-dimers...
April 1, 2018: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29622455/-how-long-will-i-continue-to-be-normal-adults-with-a-fontan-circulation-s-greatest-concerns
#17
Karin du Plessis, Rebecca Peters, Ingrid King, Kirsty Robertson, Jonathan Mackley, Rachel Maree, Tracy Stanley, Louise Pickford, Brian Rose, Matthew Orchard, Helen Stewart, Yves d'Udekem
BACKGROUND: Little is known about adults living with a Fontan circulation's concerns outside the scope of their clinical outcomes. We examined adults with a Fontan circulations' greatest concerns, as well as their concerns around anti-coagulation, pregnancy and finances. METHODS: Adults with a Fontan circulation in the Australian and New Zealand Fontan Registry were invited to complete an anonymous online survey, of which 57 participated. A qualitative method approach using thematic analyses was used...
June 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29620218/quercetin-protects-rat-cortical-neurons-against-traumatic-brain-injury
#18
Guoliang Du, Zongmao Zhao, Yonghan Chen, Zonghao Li, Yaohui Tian, Zhifeng Liu, Bin Liu, Jianqiang Song
Previous studies have demonstrated that traumatic brain injury (TBI) may cause neurological deficits and neuronal cell apoptosis. Quercetin, one of the most widely distributed flavonoids, possesses anti‑inflammatory, anti‑blood coagulation, anti‑ischemic and anti‑cancer activities, and neuroprotective effects in the context of brain injury. The purpose of the present study was to investigate the neuroprotective effects of quercetin in TBI. A total of 75 rats were randomly arranged into 3 groups as follows: Sham group (Sham); TBI group (TBI); and TBI + quercetin group (Que)...
March 28, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29611444/combination-oral-antithrombotic-therapy-for-the-treatment-of-myocardial-infarction-recent-developments
#19
Udaya S Tantry, Eliano P Navarese, Aung Myat, Rahul Chaudhary, Paul A Gurbel
There have been significant new developments in the treatment of patients with myocardial infarction with respect to oral antithrombotic agents over the past decade. Recent studies have explored the potential utility of targeting the dual pathway inhibition of platelet function with single or dual antiplatelet agents and the thrombin pathway with direct thrombin inhibitors or factor Xa inhibitors. Areas covered: In this review, the authors focus on the recent developments of oral antithrombotic agents including antiplatelet and antithrombin agents...
April 3, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29608550/amitriptyline-treatment-mitigates-sepsis-induced-tumor-necrosis-factor-expression-and-coagulopathy
#20
Brent T Xia, Nadine Beckmann, Leah K Winer, Young Kim, Holly S Goetzman, Rosalie E Veile, Erich Gulbins, Michael D Goodman, Vanessa Nomellini, Charles C Caldwell
During sepsis, the early innate response and inflammatory cytokine cascade are associated with activation of the coagulation cascade. Acute hypercoagulability can contribute to lethal sequela of vascular thrombosis, tissue ischemia, and organ failure. We investigated if amitriptyline (AMIT), an antidepressant drug with a number of anti-inflammatory effects, could ameliorate sepsis in a murine model of sepsis - cecal ligation and puncture (CLP). We hypothesized that AMIT treatment would reduce inflammation and mitigate sepsis-induced coagulopathy...
March 30, 2018: Shock
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