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Jun Hwa Lee, Byong Chul Yoo, Yun Hwan Kim, Sun-A Ahn, Seung-Gu Yeo, Jae Youl Cho, Kyung-Hee Kim, Seung Cheol Kim
BACKGROUND: A low-mass-ion discriminant equation (LOME) was constructed to investigate whether systematic low-mass-ion (LMI) profiling could be applied to ovarian cancer (OVC) screening. RESULTS: Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) mass spectrometry was performed to obtain mass spectral data on metabolites detected as LMIs up to a mass-to-charge ratio (m/z) of 2500 for 1184 serum samples collected from healthy individuals and patients with OVC, other types of cancer, or several types of benign tumor...
2016: BioData Mining
Julie L Huffmyer, Lucas G Fernandez, Cyrus Haghighian, Abdullah S Terkawi, Danja S Groves
BACKGROUND: The Quantra Hemostasis Analyzer is a novel diagnostic device that uses an ultrasound-based technology, sonic estimation of elasticity via resonance (SEER) sonorheometry, to characterize the dynamic changes in viscoelastic properties of a blood sample during coagulation. Cardiac surgery utilizing cardiopulmonary bypass (CPB) is associated with a significant impact on the coagulation system and can result in perioperative coagulopathy. The aim of this study was to correlate SEER sonorheometry results to corresponding rotational thromboelastometry (ROTEM) and laboratory parameters obtained before, during, and after CPB...
October 4, 2016: Anesthesia and Analgesia
Jung-Hae Shin, Hyuk-Woo Kwon, Hyun-Jeong Cho, Man Hee Rhee, Hwa-Jin Park
BACKGROUND: Glycoprotein IIb/IIIa (αIIb/β3) is involved in platelet adhesion, and triggers a series of intracellular signaling cascades, leading to platelet shape change, granule secretion, and clot retraction. In this study, we evaluated the effect of ginsenoside Ro (G-Ro) on the binding of fibrinogen to αIIb/β3. METHODS: We investigated the effect of G-Ro on regulation of signaling molecules affecting the binding of fibrinogen to αIIb/β3, and its final reaction, clot retraction...
October 2016: Journal of Ginseng Research
Lyndsey M Hornbuckle, J Derek Kingsley, Michael R Kushnick, Robert J Moffatt, Emily M Haymes, Rebecca Miles, Tonya Toole, Lynn B Panton
This study examined the effects of a 12-month walking intervention in overweight/obese, low socioeconomic women. Forty-six women (48.2 ± 8.0 years) entered the study. Outcomes included weight, waist and hip circumferences, body mass index (BMI), blood pressure, glycosylated hemoglobin, blood lipids, fibrinogen, and high-sensitivity C-reactive protein (hsCRP). Both intention-to-treat analyses in all participants and group analyses in study completers only (3K group = increased steps/day by ≥3,000; No Δ group = did not increase steps/day by ≥3,000) were conducted...
2016: Clinical Medicine Insights. Women's Health
P Pardes-Chavanes, M Afanetti, C Boyer, M Poirée
Intracerebral hemorrhage (ICH) remains a cause of death in hematologic malignancies. Asparaginase represents a key agent in the treatment of acute lymphoblastic leukemia (ALL). The toxicity of asparaginase includes coagulopathy such as thrombotic or bleeding tendency. We report a case of fatal cerebral hemorrhage in a 12-year-old girl treated for ALL. Cerebral hemorrhage occurred after three injections of L-asparaginase. The patient presented with hypofibrinogenemia (0.36g/L), associated with thrombocytopenia (24,000/mm(3))...
October 12, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
N Bel Feki, S Zayet, I Ben Ghorbel, M-H Houman
The lupus anticoagulant-hypoprothrombinemia syndrome (LA-HPS) - the association of acquired factor II deficiency and lupus anticoagulant - is a rare disease that may cause a predisposition not only to thrombosis but also to severe bleeding. We are reporting on a 36-year-old female patient presenting with co-existing cerebral venous thrombosis and subdural hemorrhage. The coagulation screening showed a prolonged prothrombin time (PT), activated partial thromboplastin time (aPTT), and a normal fibrinogen level and platelet count...
October 12, 2016: Journal des Maladies Vasculaires
Jia-Yun C Tsai, Jacelyn M S Loh, Fiona Clow, Natalie Lorenz, Thomas Proft
Group A Streptococcus (GAS), or Streptococcus pyogenes, is a human pathogen that causes diseases ranging from skin and soft tissue infections to severe invasive diseases, such as toxic shock syndrome. Each GAS strain carries a particular pilus type encoded in the variable fibronectin-binding, collagen-binding, T antigen (FCT) genomic region. Here we describe the functional analysis of the serotype M2 pilus encoded in the FCT-6 region. We found that, in contrast to other investigated GAS pili, the ancillary pilin 1 lacks adhesive properties...
October 14, 2016: Molecular Microbiology
Chengquan Ma, Yaguang Zhou, Sufen Zhou, Kun Zhao, Bingxin Lu, Erlin Sun
BACKGROUND AND AIM: High levels of peripheral plasma fibrinogen have recently been revealed that related to poor clinical prognosis in various types of malignant tumors. The purpose of this research was to identify the prognostic significance of the preoperative peripheral serum fibrinogen level in patients with penile cell carcinoma. METHODS: This retrospective research included 72 penile cancer patients with date about their serum fibrinogen value before surgery who undergone either partial or radical penectomy at The 2nd Hospital of Tianjin Medical University between January 2002 to January 2012...
October 11, 2016: Oncotarget
Carlos H M Oliveira, Anderson A Simão, Marcus V C Trento, Pedro H S César, Silvana Marcussi
The enzyme inhibition by natural and/ or low-cost compounds may represent a valuable adjunct to traditional serotherapy performed in cases of snakebite, mainly with a view to mitigate the local effects of envenoming. The objective of this study was to evaluate possible interactions between vitamins and enzymes that comprise Bothrops atrox and Crotalus durissus terrificus venoms, in vitro. Proteolysis inhibition assays (substrates: azocasein, collagen, gelatin and fibrinogen), hemolysis, coagulation, hemagglutination were carried out using different proportions of vitamins in face of to inhibit minimum effective dose of each venom...
October 10, 2016: Anais da Academia Brasileira de Ciências
Elvira E Ziganshina, Dilyara M Sharifullina, Andrey P Lozhkin, Rustem N Khayrullin, Igor M Ignatyev, Ayrat M Ziganshin
Atherosclerosis is considered a chronic disease of the arterial wall and is the major cause of severe disease and death among individuals all over the world. Some recent studies have established the presence of bacteria in atherosclerotic plaque samples and suggested their possible contribution to the development of cardiovascular disease. The main objective of this preliminary pilot study was to better understand the bacterial diversity and abundance in human atherosclerotic plaques derived from common carotid arteries of individuals with atherosclerosis (Russian nationwide group) and contribute towards the further identification of a main group of atherosclerotic plaque bacteria by 454 pyrosequencing their 16S ribosomal RNA (16S rRNA) genes...
2016: PloS One
Juan Cheng, Shibin Feng, Songling Han, Xiangjun Zhang, Yidan Chen, Xing Zhou, Ruibing Wang, Xiaohui Li, Houyuan Hu, Jianxiang Zhang
Currently, there is still unmet demand for effective and safe hemostats to control abnormal bleeding in different conditions. With the aim to develop affordable, safe, effective, easily stored, and low cost hemostats, we developed a series of positively charged nanoparticles by a facile one-pot assembly approach. In this strategy, nanoparticles were formed by cholic acid-mediated self-assembly of polyethyleneimine (PEI). Regardless of different structures of cholic acids and PEIs, well-defined nanoparticles could be successfully formed...
October 13, 2016: ACS Nano
Xin-Guang Liu, Yu Liu, Feng Chen
Soluble fibrinogen-like protein 2 (sFGL2) is the soluble form of fibrinogen-like protein 2 belonging to the fibrinogen-related protein superfamily. It is now well characterized that sFGL2 is mainly secreted by regulatory T cell (Treg) populations, and exerts potently immunosuppressive activities. By repressing not only the differentiation and proliferation of T cells but also the maturation of dendritic cells (DCs), sFGL2 acts largely as an immunosuppressant. Moreover, sFGL2 also induces apoptosis of B cells, tubular epithelial cells (TECs), sinusoidal endothelial cells (SECs), and hepatocytes...
October 8, 2016: Oncotarget
Subir K Nagdas, Virginia P Winfrey, Gary E Olson
Nevertheless, a nonviable sperm population is present in the cauda epididymidis of many species. Degenerating spermatozoa release enzymes that could have detrimental effects on the viability of neighboring cells, and they are source of autoantigens that induce an autoimmune response if they escape the blood-epididymis barrier. Does the epididymis have specialized protective mechanism(s) to segregate the viable sperm population from defective spermatozoa? Previously, we identified a fibrinogen-like protein-2 (fgl2) that specifically binds to and polymerizes into a cocoon-like complex coating defective spermatozoa and sperm fragments...
October 9, 2016: International Journal of Biochemistry & Cell Biology
Tahir Bezgin, Cihangir Kaymaz, Özgür Akbal, Fatih Yılmaz, Hacer Ceren Tokgöz, Nihal Özdemir
BACKGROUND: Venous thromboembolism (VTE) is a common and potentially lethal disorder that manifests mainly as deep vein thrombosis (DVT) of the extremities or pulmonary embolism (PE) and occurs as a consequence of genetic and environmental risk factors. We aimed to assess the role of inherited thrombophilia as a causative or additive factor in the development of VTE. METHODS: The study included 310 patients (female: 154; mean age: 52.3 ± 16.9 years) with a first episode of VTE and 289 age- and sex-matched healthy controls...
October 11, 2016: Clinical and Applied Thrombosis/hemostasis
Daniel M Vasconcelos, Raquel M Gonçalves, Catarina R Almeida, Inês O Pereira, Marta I Oliveira, Nuno Neves, Andreia M Silva, António C Ribeiro, Carla Cunha, Ana R Almeida, Cristina C Ribeiro, Ana M Gil, Elisabeth Seebach, Katharina L Kynast, Wiltrud Richter, Meriem Lamghari, Susana G Santos, Mário A Barbosa
The hypothesis behind this work is that fibrinogen (Fg), classically considered a pro-inflammatory protein, can promote bone repair/regeneration. Injury and biomaterial implantation naturally lead to an inflammatory response, which should be under control, but not necessarily minimized. Herein, porous scaffolds entirely constituted of Fg (Fg-3D) were implanted in a femoral rat bone defect and investigated at two important time points, addressing the bone regenerative process and the local and systemic immune responses, both crucial to elucidate the mechanisms of tissue remodelling...
October 4, 2016: Biomaterials
Pankaj Kumar Saini, Manoj Saluja, S R Meena, Shyam Bihari Meena
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Joydeep Dutta, G Kar, D Deb, B Difeosa
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Damodhar Reddy Gouni, Gandiah P, Venkateshwarlu Nandyala P
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Nasser M Al-Daghri, Majed S Alokail, Antigoni Manousopoulou, Ashley Heinson, Omar Al-Attas, Yousef Al-Saleh, Shaun Sabico, Sobhy Yakout, Christopher H Woelk, George P Chrousos, Spiros D Garbis
BACKGROUND: Overweight adults are at increased risk for cardiovascular disease and vitamin D deficiency, whereas an important feature to vitamin D physiology is its sex dependence. The aim of this study was to examine whether vitamin D status improvement exerts a sexually dimorphic effect on serum proteins associated with cardiovascular risk among overweight adults. METHODS: Unprocessed serum from age- and BMI-matched men (n=26) and pre-menopausal women (n=24) with vitamin D deficiency and after they achieved sufficiency through a 12-month nutritional intervention was analyzed using our previously published depletion-free, quantitative proteomics method...
October 11, 2016: European Journal of Clinical Investigation
Daisuke Ozone, Takeshi Mizutani, Miho Nozaki, Masaharu Ohbayashi, Norio Hasegawa, Aki Kato, Tsutomu Yasukawa, Yuichiro Ogura
Purpose: We investigate the antiangiogenic efficacy of tissue plasminogen activator (tPA) on experimental laser-induced choroidal neovascularization (CNV) in mice. Methods: After CNV was induced by laser photocoagulation in 92 C57BL/6J wild-type mice, tPA (4 or 40 international units [IU]/μl) or PBS was injected intravitreally immediately after laser injury. Fluorescein angiography was performed on day 7 to grade CNV leakage. The CNV volume was measured by confocal microscopy in eyes enucleated 7 days after laser injury...
October 1, 2016: Investigative Ophthalmology & Visual Science
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