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https://www.readbyqxmd.com/read/28533429/fibrinogen-domain-of-frep1-is-a-broad-spectrum-malaria-transmission-blocking-vaccine-antigen
#1
Guodong Niu, Caio Franca, Genwei Zhang, Wanlapa Roobsoong, Wang Nguitragool, Xiaohong Wang, Jetsumon Prachumsri, Noah S Butler, Jun Li
FREP1 in mosquito midguts facilitates P. falciparum parasite transmission. Fibrinogen-like (FBG) domain of FREP1 is highly conserved (>90% identical) among Anopheles species from different continents, suggesting that anti-FBG antibodies may block malaria transmission to all anopheline mosquitoes. Using standard membrane-feeding assays, anti-FREP1 polyclonal antibodies significantly blocked transmission of P. berghei and P. vivax to An. gambiae and An. dirus respectively. Furthermore, in vivo studies of mice immunized with FBG achieved >75% blocking efficacy of P...
May 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28532067/development-of-biocompatible-and-safe-polyethersulfone-hemodialysis-membrane-incorporated-with-functionalized-multi-walled-carbon-nanotubes
#2
Muhammad Nidzhom Zainol Abidin, Pei Sean Goh, Ahmad Fauzi Ismail, Mohd Hafiz Dzarfan Othman, Hasrinah Hasbullah, Noresah Said, Siti Hamimah Sheikh Abdul Kadir, Fatmawati Kamal, Mohd Sohaimi Abdullah, Be Cheer Ng
A novel approach in the design of a safe, high performance hemodialysis membrane is of great demand. Despite many advantages, the employment of prodigious nanomaterials in hemodialysis membrane is often restricted by their potential threat to health. Hence, this work focusses on designing a biocompatible polyethersulfone (PES) hemodialysis membrane embedded with poly (citric acid)-grafted-multi walled carbon nanotubes (PCA-g-MWCNTs). Two important elements which could assure the safety of the nanocomposite membrane, i...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28523173/thrombotic-responses-to-coronary-stents-bioresorbable-scaffolds-and-the-kounis-hypersensitivity-associated-acute-thrombotic-syndrome
#3
REVIEW
Nicholas G Kounis, Ioanna Koniari, Anastasios Roumeliotis, Grigorios Tsigas, George Soufras, Nicholas Grapsas, Periklis Davlouros, George Hahalis
Percutaneous transluminal coronary angioplasty with coronary stent implantation is a life-saving medical procedure that has become, nowadays, the most frequent performed therapeutic procedure in medicine. Plain balloon angioplasty, bare metal stents, first and second generation drug-eluting stents, bioresorbable and bioabsorbable scaffolds have offered diachronically a great advance against coronary artery disease and have enriched our medical armamentarium. Stented areas constitute vulnerable sites for endothelial damage, endothelial dysfunction, flow turbulence, hemorheologic changes, platelet dysfunction, coagulation changes and fibrinolytic disturbances...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28520808/proteomic-analysis-of-biomphalaria-glabrata-plasma-proteins-with-binding-affinity-to-those-expressed-by-early-developing-larval-schistosoma-mansoni
#4
Xiao-Jun Wu, Nathalie Dinguirard, Grzegorz Sabat, Hong-di Lui, Laura Gonzalez, Michael Gehring, Utibe Bickham-Wright, Timothy P Yoshino
Interactions between early developing Schistosoma mansoni larval stages and the hemolymph of its snail intermediate host represent the first molecular encounter with the snail's immune system. To gain a more comprehensive understanding of this early parasite-host interaction, biotinylated sporocyst tegumental membrane (Mem) proteins and larval transformation proteins (LTP) were affixed to streptavidin-agarose beads and used as affinity matrices to enrich for larval-reactive plasma proteins from susceptible (NMRI) and resistant (BS-90) strains of the snail Biomphalaria glabrata...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28511507/evaluation-of-c-reactive-protein-and-fibrinogen-in-patients-with-chronic-and-aggressive-periodontitis-a-clinico-biochemical-study
#5
Swaroop Chandy, Kiran Joseph, Anila Sankaranarayanan, Annie Issac, George Babu, Bobby Wilson, Jumol Joseph
INTRODUCTION: Periodontal disease is characterised by chronic infection and inflammation in periodontal tissues leading to destruction of alveolar bone with subsequent tooth loss. Periodontal infections are the result of an interaction between tooth associated microbial biofilms and the host defences. Periodontal pathogens can affect local and systemic immune and inflammatory responses. AIM: The aim of the present study was to evaluate serum C-Reactive Protein (CRP), plasma fibrinogen and peripheral blood levels in healthy subjects, chronic and aggressive periodontitis patients...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509812/ospemifene-s-effects-on-lipids-and-coagulation-factors-a-post-hoc-analysis-of-phase-2-and-3-clinical-trial-data
#6
David F Archer, Corrado Altomare, Wei Jiang, Susannah Cort
OBJECTIVE: To evaluate the effect of ospemifene 60 mg on the lipid and coagulation parameters of postmenopausal women using data from five phase 2 and 3 clinical trials. METHODS: Data for lipids and coagulation factors for 2,166 postmenopausal women were pooled from five randomized, placebo-controlled studies. Lipid and coagulation parameters included in this analysis were total cholesterol, high-density lipoproteins (HDL), low-density lipoproteins (LDL), triglycerides, activated partial thromboplastin time (aPTT), fibrinogen, antithrombin antigen, protein C Ag, and protein S Ag free...
May 15, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28505046/south-asians-why-are-they-at-a-higher-risk-for-cardiovascular-disease
#7
Anjly Jain, Rajeev Puri, Devaki R Nair
PURPOSE OF REVIEW: We comment on the high prevalence of cardiovascular disease (CVD) in South Asians (SA). The effect of various risk factors, for example biochemical, genetic, lifestyle, socioeconomic factors and psychosocial stress on CVD risk is discussed. RECENT FINDINGS: 'Prediabetes' is common in SA, but its relationship with coronary artery disease (CAD) is not significant unlike for the white population. At the same time, 'prediabetes' in SA is associated with an increased risk for cerebrovascular disease (CeVD)...
May 12, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28504620/identification-of-a-distinctive-phenotype-for-endocarditis-associated-clonal-complex-22-mrsa-isolates-with-reduced-vancomycin-susceptibility
#8
Helene Marbach, Eve Boakes, Steven Lynham, Malcolm Ward, Jonathan A Otter, Jonathan D Edgeworth
PURPOSE: We previously identified an association between CC22 meticillin-resistant Staphylococcus aureus (MRSA) bloodstream infection isolates with an elevated vancomycin MIC (V-MIC) in the susceptible range (1.5-2 mg l-1) and endocarditis. This study explores whether these isolates have a specific phenotype consistent with the clinical findings. METHODOLOGY: CC22 and CC30 MRSA isolates with high (1.5-2 mg l-1) and low (≤0.5 mg l-1) V-MICs were tested for fibrinogen and fibronectin binding, virulence in a Galleria mellonella caterpillar model, phenol soluble modulin production and accessory gene regulator (agr) expression...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28494352/il-33-protects-murine-viral-fulminant-hepatitis-by-targeting-coagulation-hallmark-protein-fgl2-fibroleukin-expression
#9
Haijing Yu, Yang Liu, Jiaquan Huang, Hongwu Wang, Weiming Yan, Dong Xi, Guanxin Shen, Xiaoping Luo, Qin Ning
Fulminant hepatitis (FH) is characterized by rapid liver failure and high mortality. The pathogenesis of viral FH includes virus-induced immune activation, inflammation, and subsequent hepatic apoptosis and necrosis. However, the mechanisms that underlie FH progression are unclear. IL-33 is a member of the IL-1-related cytokines, considered to be an "alarmin" that participates in various diseases, but its precise role in the coagulation of FH is not very clear. In our study, we found that IL-33 is significantly elevated in mice infected with murine hepatitis virus strain 3 (MHV-3)...
May 8, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28491088/novel-biomarkers-for-cardiovascular-risk-prediction
#10
REVIEW
Juan Wang, Guo-Juan Tan, Li-Na Han, Yong-Yi Bai, Miao He, Hong-Bin Liu
Cardiovascular disease (CVD) is the leading cause of death and disability worldwide. The primary prevention of CVD is dependent upon the ability to identify high-risk individuals long before the development of overt events. This highlights the need for accurate risk stratification. An increasing number of novel biomarkers have been identified to predict cardiovascular events. Biomarkers play a critical role in the definition, prognostication, and decision-making regarding the management of cardiovascular events...
February 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28487604/overexpression-of-fibrinogen-like-protein-2-protects-against-t-cell-induced-colitis
#11
Agata Bartczak, Jianhua Zhang, Oyedele Adeyi, Achiya Amir, David Grant, Reginald Gorczynski, Nazia Selzner, Andrzej Chruscinski, Gary A Levy
AIM: To determine the effect of overexpression of fibrinogen-like protein 2 (FGL2) on regulatory T cell (Treg) and effector T (Teff) cell function on T cell-induced colitis in Rag1(-/-) mice. METHODS: Treg and Teff cells from fgl2(-/-), fgl2(+/+), and fgl2(Tg) mice were purified by FACS. They were studied in vitro for immunosuppressive activity and cell proliferation and in vivo for their effects on the development and prevention of T cell-induced colitis in Rag1(-/-) mice...
April 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28486646/altered-preoperative-coagulation-and-fibrinolysis-are-associated-with-myocardial-injury-after-non-cardiac-surgery
#12
J Górka, K Polok, T Iwaniec, K Górka, A Wludarczyk, J Fronczek, P J Devereaux, J W Eikelboom, J Musial, W Szczeklik
Background: Myocardial injury after non-cardiac surgery (MINS), a complication with unclear pathogenesis, occurs within the first 30 days after surgery and worsens prognosis. Hypercoagulability induced by surgery might contribute to plaque rupture, with subsequent thrombosis and myocardial injury. This study assessed haemostatic markers before surgery and evaluated their association with MINS. Methods: This is a substudy of VISION, a prospective cohort study of perioperative cardiovascular events...
May 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28480752/the-evaluation-of-d-dimer-levels-for-the-comparison-of-fibrinogen-and-fibrin-units-using-different-d-dimer-kits-to-diagnose-vte
#13
Masahiro Hasegawa, Hideo Wada, Toshio Yamaguchi, Hiroki Wakabayashi, Naoki Fujimoto, Takeshi Matsumoto, Kei Hasegawa, Norikazu Yamada, Masaaki Ito, Yoshiki Yamashita, Naoyuki Katayama, Kaname Nakatani, Akihiro Sudo
The cutoff values of D-dimer levels for diagnosing or predicting the occurrence of deep vein thrombosis (DVT) were evaluated in preoperative patients and compared to those in non-DVT patients. The levels of 8 different D-dimers were measured using the latex agglutination method or enzyme immunoassay before surgery in 262 orthopedic surgery patients to diagnose subclinical DVT or predict postoperative DVT. There were 15 patients with subclinical DVT and 47 with postoperative DVT, but 200 patients had no DVT at all...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28477314/the-role-of-emerging-risk-factors-in-cardiovascular-outcomes
#14
REVIEW
Ben Lacey, William G Herrington, David Preiss, Sarah Lewington, Jane Armitage
PURPOSE OF REVIEW: This review discusses the recent evidence for a selection of blood-based emerging risk factors, with particular reference to their relation with coronary heart disease and stroke. RECENT FINDINGS: For lipid-related emerging risk factors, recent findings indicate that increasing high-density lipoprotein cholesterol is unlikely to reduce cardiovascular risk, whereas reducing triglyceride-rich lipoproteins and lipoprotein(a) may be beneficial. For inflammatory and hemostatic biomarkers, genetic studies suggest that IL-6 (a pro-inflammatory cytokine) and several coagulation factors are causal for cardiovascular disease, but such studies do not support a causal role for C-reactive protein and fibrinogen...
June 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28474867/the-response-of-coagulation-and-anti-coagulant-factors-of-elite-athletes-following-acute-resistance-and-high-intensity-interval-exercises
#15
Sedigheh Karampour, Abbas A Gaeini
BACKGROUND: Blood coagulation and fibrinolysis include two vital physiological systems, which are regulated by a balance between activators and inhibitors. The aim of this study is to survey the response of coagulation and anticoagulant factors following acute resistance and high intensity interval exercises. METHODS: This is an experimental study. The statistical sample was an elite group of karate males (aged 22.10±2.76 years, height 175.80±5.43 cm, mass 74...
April 26, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28473854/medical-and-periodontal-clinical-parameters-in-patients-at-different-levels-of-chronic-renal-failure
#16
Caroline Perozini, Gilson Fernandes Ruivo, Lucilene Hernandes Ricardo, Larissa Avance Pavesi, Yeon Jung Kim, Debora Pallos
Aim. To assess the clinical periodontal and medical parameters in patients with chronic renal failure (CRF) at different levels of renal disease. Background. CRF is a progressive and irreversible loss of renal function associated with a decline in the glomerular filtration rate. Periodontal disease is a destructive inflammatory disease affecting periodontal tissues that shows high prevalence in patients with CRF. Materials and Methods. 102 CRF patients were included and divided into an early stage group (EG), predialysis group (PDG), and hemodialysis group (HDG)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28466898/enhanced-antibacterial-efficacy-of-nitric-oxide-releasing-thermoplastic-polyurethanes-with-antifouling-hydrophilic-topcoats
#17
Priyadarshini Singha, Jitendra Pant, Marcus J Goudie, Christina D Workman, Hitesh Handa
Surface fouling is one of the leading causes of infection associated with implants, stents, catheters, and other medical devices. The surface chemistry of medical device coatings is important in controlling and/or preventing fouling. In this study, we have shown that a combination of nitric oxide releasing hydrophobic polymer with a hydrophilic polymer topcoat can significantly reduce protein attachment and subsequently reduce bacterial adhesion as a result of the synergistic effect. Nitric oxide (NO) is a well-known potent antibacterial agent due to its adverse reactions on microbial cell components...
May 3, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28462125/helicobacter-pylori-and-cardiovascular-complications-a-mechanism-based-review-on-role-of-helicobacter-pylori-in-cardiovascular-diseases
#18
REVIEW
Prasad G Jamkhande, Surendra G Gattani, Shaikh Ayesha Farhat
Heart disease comprises a wide class of cardiovascular abnormalities, including ischemic heart disease, myocardial infarction, atherosclerosis, and coronary artery disease. It is the leading cause of death all over the world. Several traditional and novel risk factors, such as infectious and noninfectious agents, have been associated with heart disease. Out of these, Helicobacter pylori has been recently introduced as an important etiological factor for heart disease. Numerous seroepidemiological findings observed H...
December 2016: Integr Med Res
https://www.readbyqxmd.com/read/28458284/cancer-stromal-targeting-therapy
#19
Yasuhiro Matsumura
 Recent advances in antibody-drug conjugate (ADC) technology have shown considerable promise in targeted cancer therapy. The ADC strategy should be confined to highly toxic anticancer agents and not to ordinary anti-cancer agents (ACAs) because the affinity of monoclonal antibodies (mAbs) diminishes if more than three ACA molecules are conjugated. According to this principle, higher amounts of ADC should be administered so that each of the ACAs is conjugated to the mAbs. Therefore for an ordinary ACA, nanoparticles should be the preferred drug delivery system (DDS)...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28457980/reversal-of-trauma-induced-coagulopathy-using-first-line-coagulation-factor-concentrates-or-fresh-frozen-plasma-retic-a-single-centre-parallel-group-open-label-randomised-trial
#20
Petra Innerhofer, Dietmar Fries, Markus Mittermayr, Nicole Innerhofer, Daniel von Langen, Tobias Hell, Gottfried Gruber, Stefan Schmid, Barbara Friesenecker, Ingo H Lorenz, Mathias Ströhle, Verena Rastner, Susanne Trübsbach, Helmut Raab, Benedikt Treml, Dieter Wally, Benjamin Treichl, Agnes Mayer, Christof Kranewitter, Elgar Oswald
BACKGROUND: Effective treatment of trauma-induced coagulopathy is important; however, the optimal therapy is still not known. We aimed to compare the efficacy of first-line therapy using fresh frozen plasma (FFP) or coagulation factor concentrates (CFC) for the reversal of trauma-induced coagulopathy, the arising transfusion requirements, and consequently the development of multiple organ failure. METHODS: This single-centre, parallel-group, open-label, randomised trial was done at the Level 1 Trauma Center in Innsbruck Medical University Hospital (Innsbruck, Austria)...
April 27, 2017: Lancet Haematology
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