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Kun-Ling Tsai, Ching-Hsia Hung, Shih-Hung Chan, Jhih-Yuan Shih, Yung-Hsin Cheng, Yi-Ju Tsai, Huei-Chen Lin, Pei-Ming Chu
Atherosclerosis is considered to be a form of chronic inflammation and a disorder of lipid metabolism. Oxidative transformations in the lipid and apolipoprotein B (Apo B) constituent of low density lipoprotein drive the initial step in atherogenesis due to macrophage scavenger receptors identify oxidized LDL (oxLDL) but non-oxidized LDL. The human vascular endothelial cells fact a critical role in vasodilation, provides a nonadhesive surface for circulation, reduces vascular smooth muscle proliferation, inflammation, thrombus formation and platelet aggregation...
October 20, 2016: Oncotarget
Christina Cimenti, Axel Schlagenhauf, Bettina Leschnik, Elke Fröhlich-Reiterer, Hildegard Jasser-Nitsche, Harald Haidl, Elisabeth Suppan, Gudrun Weinhandl, Maximilian Leberl, Martin Borkenstein, Wolfgang E Muntean
BACKGROUND: Micro- and macrovascular diseases are frequent complications in patients with diabetes. Hypercoagulability may contribute to microvascular alterations. OBJECTIVE: In this study, we investigated whether type 1 diabetes in children is associated with a hypercoagulable state by performing a global function test of coagulation - the thrombin generation assay. SUBJECTS: 75 patients with type 1 diabetes aged between 2 and 19years were compared to an age-matched healthy control group...
October 17, 2016: Thrombosis Research
Dong-Hyun Choi, Seong-Ho Kang, Heesang Song
Platelets are essential for progression of atherosclerotic lesions, plaque destabilization, and thrombosis. They secrete and express many substances that are crucial mediators of coagulation, inflammation, and atherosclerosis. Mean platelet volume (MPV) is a precise measure of platelet size, and is routinely reported during complete blood count analysis. Emerging evidence supports the use of MPV as a biomarker predicting the risk of ischemic stroke in patients with atrial fibrillation, and as a guide for prescription of anticoagulation and rhythm-control therapy...
October 24, 2016: Korean Journal of Internal Medicine
Seung Hyuk Im, Youngmee Jung, Yangsoo Jang, Soo Hyun Kim
Most biomaterials composed of biodegradable polymers will contact either accidentally or consistently with blood and this commonly requires both good  mechanical strength and blood compatibility. Despite this demand, current processing methods still make it difficult and complex to simultaneously improve the two properties. To overcome present limitations, the aim of this work is to develop a solid-state drawing which is a novel method for blood-contact biomaterials that can simultaneously improve the two essential factors of mechanical strength and blood compatibility, as well as induce a micro-patterned surface...
October 24, 2016: Biofabrication
Jedrzej Kosiuk, Romina Milani, Laura Ueberham, Tobias Uhe, Clara Stegmann, Gerhard Hindricks, Andreas Bollmann
Remote ischemic preconditioning (RIPC) has been studied in models of different cardiovascular entities. Recently, a beneficial effect of RIPC on incidence of atrial fibrillation (AF) in postsurgical patients has been suggested. However, the potential impact of RIPC on electrophysiological- and thrombogenesis-related parameters in the setting of paroxysmal nonvalvular AF has not been investigated. The aim of the study is to answer the following questions: (1) Does RIPC have impact on inducibility of AF in patients with known paroxysmal AF? If yes, what are the direct electrophysiological mechanisms of this phenomenon, and could RIPC be implemented to reduce AF burden? (2) Does RIPC have the potential to minimize thrombogenic effects of simulated episodes of AF? If so, what are inhibited components of thrombogenesis and can this be used to reduce thromboembolic risk related to paroxysmal AF? The presented study is a 2-arm, randomized, placebo-controlled, double-blinded, single-center trial in a cohort of 146 patients with paroxysmal AF referred for AF ablation in sinus rhythm...
October 24, 2016: Clinical Cardiology
K Bora, P Borah, A K Jitani
No abstract text is available yet for this article.
October 2016: European Review for Medical and Pharmacological Sciences
Y-M Feng, X-H Chen, X Zhang
Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) belongs to immunoglobulin superfamily, which is key factor for adhesion and accumulation of platelets. It is proved that PECAM-1 is closely correlative with cell migration, proliferation, apoptosis, signal transduction and cellular immunity. Meanwhile, PECAM-1 involves in multiple clinical diseases, such as atherosclerosis, thrombosis and leukemia. This paper reviewed the structure and function of PECAM-1, and its roles in cell function and disease generation and progression...
October 2016: European Review for Medical and Pharmacological Sciences
N Ben Abdejlil, D Belloumi, M Mâammar, R El Fatimi, L Torjman, A Lakhal, F Jenhani, S Hmida, T Ben Othman, S Ladeb
This study compared retrospectively the effectiveness, toxicity and hematopoietic recovery after autologous peripheral blood stem cell transplantation (ASCT) of two consecutive peripheral blood stem cell mobilization regimens in newly diagnosed MM patients. Patients in group 1 (n=178) were treated with 4 g/m(2) of cyclophosphamide (CY) plus G-CSF (5 μg/kg/day). Patients in group 2 (n=117) with 750 mg/m(2) of VP16 plus G-CSF (10 μg/kg/day). Optimal mobilization, defined by a target number of 8 × 10(6) CD34+ cells/kg collected, was achieved in 62...
October 24, 2016: Bone Marrow Transplantation
Hongbo Chen, Yinan Yao, Yifan Wang, Hua Zhou, Tianxiang Xu, Jing Liu, Guocheng Wang, Yongfeng Zhang, Xiang Chen, Qingwei Liu, Peng Huang, Rongbin Yu
BACKGROUND: HLA-DM gene, which is related to antigen processing and presentation and located in the non-classical class-II region of human leukocyte antigen (HLA) region, may play a crucial role in chronic hepatitis C virus (HCV) infection treatment outcomes. The study was conducted to evaluate the role of the variant of several single nucleotide polymorphisms (SNPs) in HLA-DM gene in HCV treatment outcomes. METHODS: We genotyped four SNPs from the candidate genes (HLA-DMA and DMB) in 336 patients who were treated with pegylated interferon-alpha and ribavirin (PEG IFN-α/RBV)...
October 20, 2016: International Journal of Environmental Research and Public Health
Qinglei Zhang, Xiaolong Lu, Qingzhao Zhang, Lei Zhang, Suoding Li, Shaobin Liu
In this study, Polyvinylidene fluoride (PVDF) hollow fiber hemodialysis membranes were prepared by non-solvent induced phase separation (NIPS) with compound addtive. The compound additive was made with polyvinyl pyrrolidone (PVP) and Poly ethylene glycol (PEG). The results showed that the modified PVDF membrane had better separation performance than virgin PVDF membrane. The UF flux of modified PVDF membrane can reach 684 L·h(-1)·m(-2) and lysozyme (LZM) passage is 72.6% while virgin PVDF membrane is 313 L·h(-1)·m(-2) and 53...
October 19, 2016: Membranes
Aleksandra Korniluk, Joanna Kamińska, Paweł Kiszło, Halina Kemona, Violetta Dymicka-Piekarska
CONTEXT: Selectins probably participate in the interactions between platelets and other inflammatory cells in cancer invasion and metastasis formation. We assessed a potential relationship of P-, L- and E-selectin in colorectal cancer patients in relation to tumour advancement according to TNM classification, and tumour location. MATERIALS AND METHODS: The study group was composed of 53 CRC patients and 25 healthy subjects. Plasma levels of soluble P-, L- and E-selectins were measured using the immunoenzymatic method with Quantikine kits (R&D Systems)...
October 24, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
Morné A Strydom, Janette Bester, Sthembile Mbotwe, Etheresia Pretorius
A significant burden of illness is caused globally by snakebites particularly by the puff adder, Bitis arietans. Presently there is no reliable and rapid method to confirm envenomation on blood chemistry; although coagulation parameters like prothrombin time, partial thromboplastin time, international normalized ratio and also serum electrolytes are tested. Here, we found that direct in vitro exposure of physiological relevant whole venom levels to human healthy blood (N = 32), caused significant physiological changes to platelet activity using a hematology analyzer, and measuring occlusion time, as well as lyses time, with the global thrombosis test (GTT)...
October 24, 2016: Scientific Reports
Hui Xia, Briony C Strachan, Sean C Gifford, Sergey S Shevkoplyas
Leukocyte reduction of donated blood products substantially reduces the risk of a number of transfusion-related complications. Current 'leukoreduction' filters operate by trapping leukocytes within specialized filtration material, while allowing desired blood components to pass through. However, the continuous release of inflammatory cytokines from the retained leukocytes, as well as the potential for platelet activation and clogging, are significant drawbacks of conventional 'dead end' filtration. To address these limitations, here we demonstrate our newly-developed 'controlled incremental filtration' (CIF) approach to perform high-throughput microfluidic removal of leukocytes from platelet-rich plasma (PRP) in a continuous flow regime...
October 24, 2016: Scientific Reports
Ali Doğan, Serkan Kahraman, Emrah Usta, Emrah Özdemir, Uzay Görmüş, Cavlan Çiftçi
OBJECTIVE: Clopidogrel inhibits platelet aggregation by blockade of platelet adenosine diphosphate (ADP) P2Y12 receptor. Leptin is the obesity gene product, and its serum level increases with obesity. Platelets have leptin receptors on their surfaces. Hyperleptinemia may induce ADP-mediated platelet aggregation. It has been proposed that clopidogrel effect could be diminished with high serum leptin levels. The aim of the present trial was to further investigate the relationship between serum leptin level and clopidogrel resistance...
October 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Amal H Hamza, Widad M Al-Bishri, Laila A Damiati, Hanaa H Ahmed
BACKGROUND: The progresses made in stem cell therapy offer an innovative approach and exhibit great potential for the repair of damaged organs and tissues. This study was conducted with a view to find the mechanisms responsible for the effectiveness of bone marrow-derived mesenchymal stem cells (BM-MSCs) in the suppression of diabetes and experimentally-induced diabetic nephropathy. METHODS: To realize this objective, diabetic and diabetic nephropathy subject groups that underwent MSC treatment were studied through numerous biochemistry and molecular genetics analyses...
October 23, 2016: Renal Failure
Nancy M Dunbar, Nicholas J Olson, Zbigniew M Szczepiorkowski, Eric D Martin, Ryan M Tysarcyk, Darrell J Triulzi, Louis H Alarcon, Mark H Yazer
BACKGROUND: The purpose of massive transfusion protocols (MTPs) is to provide large quantities of blood products rapidly to exsanguinating patients. The expected rates of blood product transfusion and wastage in this setting have not been defined. This study was undertaken to assess the transfusion and wastage rates for bleeding patients requiring emergency issue of blood components at three American Level I trauma centers. STUDY DESIGN AND METHODS: Three hospitals participated, all of which are Level I trauma centers that have MTPs in place where uncrossmatched red blood cells (RBCs) can be ordered with or without platelets (PLTs), plasma, and cryoprecipitate...
October 23, 2016: Transfusion
Vipul R Thummar, Subramani Parasuraman, Debdatta Basu, Ramasamy Raveendran
To evaluate the in vivo antitumor activity of cleistanthin B in Ehrlich's ascites carcinoma (EAC) and Dalton's ascites lymphoma (DAL) cell lines induced malignant ascites mouse models and DAL cell line induced solid tumor mouse model. All animals were injected with 2 × 10(6) EAC/DAL cells i.p./s.c. to induce malignant ascites and solid tumor and treated with 5-fluorouracil (5-FU) 20 mg/kg or cleistanthin B for 10 days. Cleistanthin B was given at three doses viz. 25, 50 and 100 mg/kg. The percentage increase in life span and the overall survival in malignant ascites animals and the tumor volume in solid tumor animals were measured...
October 2016: Journal of Traditional and Complementary Medicine
Bo Wang, Shannon J Walsh, Muhammad W Saif
5-Fluorouracil (5-FU) is one of the most commonly used chemotherapeutic agents in solid tumors, including colon, gastric and breast cancers. The pharmacogenetic syndrome of dihydropyrimidine dehydrogenase (DPD) deficiency leading to severe toxicity after administration of 5-flourouracil (5-FU) and capecitabine has been well-recognized. However, the data about the association of the target enzyme, thymidylate synthase (TYMS) with the toxicity of these agents is limited. A 50-year-old Caucasian woman with T2N2M0 Stage IIIB squamous cell rectal cancer after local surgical excision initiated 5-FU therapy with mitomycin-C and radiation therapy in the adjuvant setting...
September 21, 2016: Curēus
Shoab Saadat
OBJECTIVE:  The study was conducted to analyze the predictors of prolonged hospitalization in patients with fever. PATIENTS AND METHODS:  This was a prospective cohort study conducted from July - December 2015 at Ayub Teaching Hospital, Pakistan. Convenience sampling was used to enroll the patients who visited the hospital during the study duration. A sample size of 115 patients was calculated. It included patients who presented with a new onset fever which started in the last month, and the cause of fever was undiagnosed at the time of admission...
September 18, 2016: Curēus
Michelle Maclean, John G Anderson, Scott J MacGregor, Tracy White, Chintamani D Atreya
Bacterial contamination of injectable stored biological fluids such as blood plasma and platelet concentrates preserved in plasma at room temperature is a major health risk. Current pathogen reduction technologies (PRT) rely on the use of chemicals and/or ultraviolet light, which affects product quality and can be associated with adverse events in recipients. 405 nm violet-blue light is antibacterial without the use of photosensitizers and can be applied at levels safe for human exposure, making it of potential interest for decontamination of biological fluids such as plasma...
2016: Journal of Blood Transfusion
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