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https://www.readbyqxmd.com/read/29783997/graft-protective-effect-and-induction-of-cd4-foxp3-cell-by-thrombomodulin-on-allograft-arteriosclerosis-in-mice
#1
Enzhi Yin, Shigefumi Matsuyama, Masateru Uchiyama, Kento Kawai, Masanori Niimi
BACKGROUND: Thrombomodulin (TM) is a promising therapeutic natural anti-coagulant, which exerts the effects to control disseminated intravascular coagulation. However, little is known whether TM on micro-vessels could play an important role in the regulation of intimal hyperplasia. We investigated the vessel-protective effect of TM in the survival of fully major histocompatibility complex (MHC)-mismatched murine cardiac allograft transplantation. METHODS: CBA recipients transplanted with a C57BL/6 heart received intraperitoneal administration of normal saline or 0...
May 21, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29779246/regulation-of-plasminogen-activation-on-cell-surfaces-and-fibrin
#2
REVIEW
Tetsumei Urano, Francis J Castellino, Yuko Suzuki
The fibrinolytic system dissolves fibrin and maintains vascular patency. Recent advances in imaging analyses allowed visualization of the spatiotemporal regulatory mechanism of fibrinolysis, as well as its regulation by other plasma haemostasis cofactors. Vascular endothelial cells (VECs) retain tissue-type plasminogen activator (tPA) after secretion and maintain high plasminogen (plg) activation potential on their surfaces. As in plasma, the serpin, plasminogen activator inhibitor type 1 (PAI-1), regulates fibrinolytic potential via inhibition of the VEC surface-bound plg activator, tPA...
May 20, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29775893/puerarin-prevents-vascular-endothelial-injury-through-suppression-of-nf-%C3%AE%C2%BAb-activation-in-lps-challenged-human-umbilical-vein-endothelial-cells
#3
Hua-Fei Deng, Sha Wang, Lian Li, Qin Zhou, Wan-Bei Guo, Xiao-Li Wang, Mei-Dong Liu, Ke Liu, Xian-Zhong Xiao
OBJECTIVE: In the present study, we aimed to explore the effects of puerarin on vascular endothelial cell injury induced by lipopolysaccharide (LPS) and its underlying mechanisms. METHODS: The cell viability and morphological changes were assessed using the cell counting kit-8 (CCK-8) assay and 4´,6-diamidino-2-phenylindole (DAPI) staining, respectively. The levels of tumor necrosis factor-alpha (TNF-α), interleukin-1β (IL-1β), monocyte/macrophage chemotactic protein-1 (MCP-1), IL-8, intercellular cell adhesion molecule-1 (ICAM-1), thrombomodulin (TM) and plasminogen activator inhibitor-1 (PAI-1) in cell culture supernatant were determined by the enzyme-linked immunosorbent assay (ELISA)...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29760205/abnormal-plasma-clot-formation-and-fibrinolysis-reveal-bleeding-tendency-in-patients-with-partial-factor-xi-deficiency
#4
Gillian N Gidley, Lori A Holle, John Burthem, Paula H B Bolton-Maggs, Feng-Chang Lin, Alisa S Wolberg
Individuals with factor XI (FXI) deficiency have a variable bleeding risk that cannot be predicted from plasma FXI antigen or activity. This limitation can result in under- or overtreatment of patients and risk of bleeding or thrombosis. Previously, plasma clot fibrinolysis assays showed sensitivity to bleeding tendency in a small cohort of patients with severe FXI deficiency. Here, we determined the ability of plasma clot formation, structure, and fibrinolysis assays to predict bleeding tendency in a larger, independent cohort of patients with severe and partial FXI deficiency...
May 22, 2018: Blood Advances
https://www.readbyqxmd.com/read/29758118/hemostasis-biomarkers-in-multiple-sclerosis
#5
Nicole Ziliotto, Francesco Bernardi, Dejan Jakimovski, Marcello Baroni, Giovanna Marchetti, Niels Bergsland, Deepa P Ramasamy, Bianca Weinstock-Guttman, Ferdinand Schweser, Paolo Zamboni, Murali Ramanathan, Robert Zivadinov
OBJECTIVE: To investigate the plasma levels of hemostasis components in multiple sclerosis (MS) and their association with clinical and MRI outcomes. METHODS: We studied 138 MS patients (85 with relapsing-remitting, RR-MS and 53 with progressive, P-MS) with mean age of 54 years; 72.5% female; median EDSS 3.5; mean disease duration 21 years) and 42 age- and sex-matched healthy individuals (HI). All subjects were examined with 3T MRI and clinical examinations. Plasma levels of hemostasis factors (procoagulant, factor XII, FXII) and inhibitors (tissue factor pathway inhibitor (TFPI), thrombomodulin (TM), heparin cofactor II (HCII), disintegrin-like and metalloprotease with thrombospondin type 1 motif 13 (ADAMTS13), and plasminogen activator inhibitor 1 (PAI-1) were evaluated by magnetic Luminex assays and ELISA...
May 14, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29747114/effect-of-double-filtration-plasmapheresis-for-antibody-mediated-rejection-on-hemostasis-parameters-and-thrombin-generation
#6
R Marlu, P Malvezzi, L Seyve, T Jouve, J Maurizi, F Defendi, P L Carron, M Christophe, A Le Gouellec, B Polack, L Rostaing
INTRODUCTION: Donor-specific alloantibodies (DSAs) cause kidney-allograft loss in chronic antibody-mediated rejection (CAMR). Treatment relies on blocking antibody-producing cells and removing DSAs by apheresis: e.g., double-filtration plasmapheresis (DFPP). MATERIALS AND METHODS: To determine the impact of DFPP (6 or 8 sessions/patient) on clotting factors and natural anticoagulants, and on thrombin generation, we performed a prospective and observational study in five CAMR kidney-transplant patients who received DFPP plus rituximab therapy...
April 20, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29738632/reversal-of-hypercoagulability-in-patients-with-hcv-related-cirrhosis-after-treatment-with-direct-acting-antivirals
#7
Francesco Paolo Russo, Alberto Zanetto, Elena Campello, Cristiana Bulato, Sarah Shalaby, Luca Spiezia, Sabrina Gavasso, Enrica Franceschet, Claudia Radu, Marco Senzolo, Patrizia Burra, Ton Lisman, Paolo Simioni
BACKGROUND AND AIMS: The long-term impact of sustained virological response (SVR) after direct-acting antivirals (DAAs) on the hypercoagulability associated with HCV cirrhosis is unknown. We longitudinally evaluated the effect of DAAs treatment on cirrhotic coagulopathy. METHODS: Pro- and anticoagulant factors levels and thrombin generation were assessed in patients with HCV-related cirrhosis at baseline, end of therapy (EOT), at 12, 24 and 48 weeks (W) after EOT...
May 8, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29723698/erk5-klf2-activation-is-involved-in-the-reducing-effects-of-puerarin-on-monocyte-adhesion-to-endothelial-cells-and-atherosclerotic-lesion-in-apolipoprotein-e-deficient-mice
#8
Yan Deng, Tingwen Lei, Hongmei Li, Xiaochuan Mo, Zhuting Wang, Hailong Ou
Puerarin has properties of anti-oxidation and anti-inflammation, which has been demonstrated protective effects in atherosclerosis and other cardiovascular diseases. However, the detail molecular mechanism still remains unclear. Here, we determined whether the atheroprotective effect of puerarin was by reducing monocyte adhesion and explored the underlying mechanism. The results showed that puerarin dose- and time-dependently reduced oxLDL-induced monocyte THP-1 adhesion to HUVECs and the expression of adhesion-related genes such as VCAM-1, ICAM-1, MCP-1 and IL-8 in HUVECs...
April 30, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29723511/oxidative-stress-markers-and-thrombomodulin-plasma-levels-in-women-with-early-and-late-severe-preeclampsia
#9
Patrícia Nessralla Alpoim, Luiza Oliveira Perucci, Lara Carvalho Godoi, Cristiano Otávio Luciano Goulart, Luci Maria S Dusse
BACKGROUND: Preeclampsia (PE) is pregnancy disease associated with oxidative stress and endothelial dysfunction. It can be classified according to the severity and onset-time of clinical symptoms (early PE:<34 weeks, late PE:≥34 weeks). METHODS: We evaluated markers of oxidative stress (thiobarbituric acid reactive substances-TBARs and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide)-MTT) and endothelial lesion (thrombomodulin-TM) in early (N = 24) and late severe PE(N = 22) and normotensive pregnant women(N = 26)...
April 30, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29715177/updated-review-of-postmortem-biochemical-exploration-of-hypothermia-with-a-presentation-of-standard-strategy-of-sampling-and-analyses
#10
Guillaume Rousseau, Pascal Reynier, Nathalie Jousset, Clotilde Rougé-Maillart, Cristian Palmiere
Hypothermia is defined as a core body temperature below 35°C and can be caused by environmental exposure, drug intoxication, metabolic or nervous system dysfunction. This lethal pathology with medico-legal implications is complex to diagnose because macroscopic and microscopic lesions observed at the autopsy and the histological analysis are suggestive but not pathognomonic. Postmortem biochemical explorations have been progressively developed through the study of several biomarkers to improve the diagnosis decision cluster...
May 1, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29699063/clinical-impact-of-recombinant-soluble-thrombomodulin-for-disseminated-intravascular-coagulation-associated-with-severe-acute-cholangitis
#11
Atsushi Okuda, Takeshi Ogura, Miyuki Imanishi, Akira Miyano, Nobu Nishioka, Kazuhide Higuchi
Background/Aims: Recently, recombinant human soluble thrombomodulin (rTM) has been developed as a new drug for disseminated intravascular coagulation (DIC). This study aims to evaluate the clinical benefit of rTM in patients with sepsis-induced DIC caused by acute cholangitis who underwent biliary drainage. Methods: Patients were divided into two groups: the rTM therapy group and the non-rTM therapy group. The primary outcome was the DIC resolution rate at 7 days, and the secondary outcome was 28-day mortality rate...
April 27, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29683037/pharmacological-differentiation-of-thrombomodulin-alfa-and-activated-protein-c-on-coagulation-and-fibrinolysis-in-vitro
#12
Kosuke Tanaka, Shunsuke Tawara, Kazuhisa Tsuruta, Debra Hoppensteadt, Jawed Fareed
Although thrombomodulin alfa (TM alfa), recombinant human soluble thrombomodulin, exerts antithrombogenic effects through activated protein C (APC), clinical trials suggested that TM alfa has a lower bleeding risk than does recombinant human APC. To address the mechanism explaining this difference, effects of TM alfa and APC on thrombogenic, coagulation, and fibrinolytic processes were compared in vitro. TM alfa and APC inhibited generation of thrombogenic markers, thrombin, and prothrombin fragment F1+2 and prolonged coagulation parameters, activated clotting time (ACT), and activated partial thromboplastin time (APTT)...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29682152/thrombomodulin-as-a-new-marker-of-endothelial-dysfunction-in-chronic-kidney-disease-in-children
#13
Dorota Drożdż, Monika Łątka, Tomasz Drożdż, Krystyna Sztefko, Przemko Kwinta
Endothelial dysfunction (ED) and oxidative stress are potential new pathomechanisms of cardiovascular diseases in patients with chronic kidney disease (CKD). The aim of the study was to assess the association between endothelial dysfunction, oxidative stress biomarkers, and cardiovascular risk factors in children with CKD. Serum oxidized LDL (oxLDL), protein carbonyl group, urea, creatinine, cystatin C, thrombomodulin, asymmetric dimethylarginine (ADMA), von Willebrand factor, brain natriuretic peptide (BNP), lipids, high sensitivity C-reactive protein, intercellular adhesion molecule-1 levels, and albuminuria were measured...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29668990/vitamin-d-receptor-activation-raises-soluble-thrombomodulin-levels-in-chronic-kidney-disease-patients-a-double-blind-randomized-trial
#14
Graziella D'arrigo, Patrizia Pizzini, Sebastiano Cutrupi, Rocco Tripepi, Giovanni Tripepi, Francesca Mallamaci, Carmine Zoccali
Background: Thrombomodulin (TM) is a proteoglycan highly represented in the endothelial glycocalix that regulates the haemostasis and the endothelial response to inflammation. High soluble TM levels underlie a lower risk for coronary heart disease in population studies. Activation of vitamin D receptor (VDR) upregulates TM, but the effect of this intervention on soluble TM has never been tested in chronic kidney disease (CKD) patients. Methods: We performed a post hoc analysis of a 12 weeks double blind, randomized, placebo-controlled trial testing the effect of VDR activation by paricalcitol (PCT) on endothelium-dependent flow-mediated vasodilatation (FMD) in the forearm (ClinicalTrials...
April 13, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29657722/a-summary-of-the-japan-septic-disseminated-intravascular-coagulation-study
#15
REVIEW
Mineji Hayakawa, Kota Ono
Over the past few decades, the large, international, randomized controlled trials of anticoagulant therapies for patients with sepsis have not yielded any improvement in mortality rates. However, in Japan, anticoagulant therapies are administered for sepsis patients with disseminated intravascular coagulation (DIC), but not for sepsis patients without DIC. Furthermore, epidemiological data regarding sepsis in Japan are scarce. Therefore, a nationwide multicenter retrospective observational study, the Japan Septic Disseminated Intravascular Coagulation (JSEPTIC DIC) study, was undertaken...
April 2018: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29621746/crocin-improves-the-endothelial-function-regulated-by-kca3-1-through-erk-and-akt-signaling-pathways
#16
Huike Yang, Xuemei Li, Yang Liu, Xinlei Li, Xiaodong Li, Mengnan Wu, Xiaohong Lv, Chun Chunhua, Xuansheng Ding, Yafang Zhang
BACKGROUND/AIMS: Based on the protective effect of crocin against cardiovascular diseases, we hypothesize that crocin could improve endothelial function through activating the eNOS(endothelial nitric oxide synthase) /NO pathway and/or the intermediate-conductance Ca2+-activated K+ channels (KCa3.1). METHODS: In this study, rat aortic rings were used to assess the regulatory effect of crocin on vascular tone and nitric oxide, prostacyclin, and KCa3.1, all endothelial vasodilators, were analyzed for effects by crocin...
March 29, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29621120/absences-of-endothelial-microvesicle-changes-in-the-presence-of-the-endotheliopathy-of-trauma
#17
Charles E Wade, Nena Matijevic, Yao-Wei W Wang, Erika Gonzalez Rodriguez, Ernesto Lopez, Sisse R Ostrowski, Jessica C Cardenas, Lisa A Baer, Tzu-An Chen, Jeffrey S Tomasek, Hanne H Henriksen, Jakob Stensballe, Bryan A Cotton, John B Holcomb, Pär I Johansson
INTRODUCTION: Severe trauma is accompanied by endothelial glycocalyx disruption, which drives coagulopathy, increasing transfusion requirements and death. This syndrome has been termed traumatic endotheliopathy (EOT). Some have suggested EOT results from endothelial cellular damage and apoptosis. Endothelial microvesicles (EMVs) represent cellular damage. We hypothesized that EOT is associated with endothelial damage and apoptosis resulting in an increase in circulating EMVs. METHODS: Prospective, observational study enrolling severely injured patients...
April 4, 2018: Shock
https://www.readbyqxmd.com/read/29608549/budding-uninhibited-by-benzimidazole-1-insufficiency-prevents-acute-renal-failure-in-severe-sepsis-by-maintaining-anti-coagulant-functions-of-vascular-endothelial-cells
#18
Yutaka Matsubara, Takuya Matsumoto, Keiji Yoshiya, Ayae Yoshida, Seiichi Ikeda, Tadashi Furuyama, Yoshimichi Nakatsu, Teruhisa Tsuzuki, Masatoshi Nomura, Yoshihiko Maehara
Severe sepsis is critical to health and can result in acute renal failure (ARF). Tissue factor (TF) and thrombomodulin (TM) play key roles in vascular endothelial functions by helping maintain microcirculation in the kidney. Budding uninhibited by benzimidazole-1 (Bub1) plays a role in Akt and JNK signaling, which control TF and TM, respectively. We hypothesized that Bub1 could control vascular endothelial function in sepsis. The aim of this study was to determine the role of Bub1 in septic ARF. We used Mouse cecum ligation and puncture (CLP) using low Bub1 expressing (Bub1) and wild-type (Bub1) mice in vivo and lipopolysaccharide (LPS) stimulation of human aortic endothelial cell (HAEC) in vitro...
March 30, 2018: Shock
https://www.readbyqxmd.com/read/29600966/asymmetric-dimethylarginine-as-a-useful-risk-marker-of-radial-artery-calcification-in-patients-with-advanced-kidney-disease
#19
Marcin Krzanowski, Katarzyna Krzanowska, Mariusz Gajda, Paulina Dumnicka, Grzegorz Kopeć, Bartłomiej Guzik, Karolina Woziwodzka, Artur Dziewierz, Jan A Litwin, Władysław Sułowicz
INTRODUCTION    Medial arterial calcification is common in patients with chronic kidney disease (CKD) and is considered a risk factor for morbidity and mortality. OBJECTIVES    We aimed to evaluate the correlation between asymmetric dimethylarginine (ADMA) levels, radial artery calcification, and common carotid artery intima-media thickness (CCA‑IMT). PATIENTS AND METHODS    The study included 51 patients with CKD, in whom an arteriovenous fistula for hemodialysis access was created to collect radial artery samples for a histological examination, and 33 healthy volunteers, in whom the reference concentrations of ADMA were assessed...
March 29, 2018: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29596106/recombinant-human-soluble-thrombomodulin-contributes-to-reduced-mortality-in-sepsis-patients-with-severe-respiratory-failure-a-retrospective-observational-study-using-a-multicenter-dataset
#20
Shodai Yoshihiro, Masaaki Sakuraya, Mineji Hayakawa, Kota Ono, Akira Hirata, Akihiro Takaba, Natsuki Kawamura, Toru Tsutsui, Kenichi Yoshida, Yoshihiro Hashimoto
BACKGROUND: Recombinant human soluble thrombomodulin (rhTM) is a novel class therapeutic agent for managing disseminated intravascular coagulation. The progression of severe respiratory failure may be related to intra-alveolar coagulation/fibrinolytic disorders. We aimed to determine the efficacy of rhTM in treating sepsis patients with severe respiratory failure. METHODS: We performed a retrospective observational study using an existing dataset collected from 42 intensive care units (ICUs) in Japan...
March 28, 2018: Shock
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