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I-Ting Tsai, Chao-Ping Wang, Teng-Hung Yu, Yung-Chuan Lu, Chih-Wen Lin, Li-Fen Lu, Cheng-Ching Wu, Fu-Mei Chung, Yau-Jiunn Lee, Wei-Chin Hung, Chia-Chang Hsu
Adipocytokines play an important role in adipose tissue homeostasis, especially in obesity-associated disorders such as non-alcoholic fatty liver and their complications including hepatocellular carcinoma (HCC). Although visfatin is an adipocytokine highly expressed in visceral fat that has been demonstrated to play a critical role in the progression of human malignancies, little is known about the role of visfatin in HCC associated with chronic hepatitis C virus (HCV) and hepatitis B virus (HBV) infection...
October 19, 2016: Cytokine
Shunjie Yan, Lingjie Song, Shifang Luan, Zhirong Xin, Shanshan Du, Hengchong Shi, Shuaishuai Yuan, Yuming Yang, Jinghua Yin
Bacterial infections are problematic in many healthcare-associated devices. Antibacterial surfaces integrating the strength of bacteria repellent and bactericidal functions exhibit an encouraging efficacy in tackling this problem. Herein, a hierarchical dual-function antibacterial polymer brush coating that integrates an antifouling bottom layer with a bactericidal top layer is facilely constructed via living photograft polymerization. Excellent resistance to bacterial attachment is correlated with the antifouling components, and good bactericidal activity is afforded by the bactericidal components, and therefore the hierarchical coating shows an excellent long-term antibacterial capability...
August 12, 2016: Colloids and Surfaces. B, Biointerfaces
Ming-Jie Kuang, Chao Han, Jian-Xiong Ma, Fei Li, Jie Zhao, Lin Fu, Xin-Long Ma
PURPOSE: Autologous platelet gel, developed from fresh autologous blood, is a breakthrough in the promotion and acceleration of soft tissue and bone repair. The application of autologous platelet gel has been reported to improve haemostasis and promote function recovery. We screened the randomized controlled trials and controlled clinical trials of high quality to investigate whether autologous platelet gel makes a better performance for postoperative bleeding and functional recovery in patients after total knee arthroplasty...
October 19, 2016: International Journal of Surgery
Dong Liu, Jie-Lu Zhou, Fashui Hong, Yu-Qing Zhang
Titanium dioxide nanoparticles (TiO2 NPs) are used in many fields, such as paints, medicine additives, food additives, sunscreens and agriculture. The aim of this study was to investgate the mechanism behind the formation of inflammation induced by TiO2 NPs. ICR mice were exposed to TiO2 NPs through intragastric administration at 2.5, 5 and 10 mg/kg body weight every day for 90 consecutive days. The experiment suggested that long-term exposure to TiO2 NPs resulted in an obvious inflammatory response in mice lung tissues, which led to a thickened alveoli septum, lung hyperaemia, and titanium accumulation...
October 22, 2016: Journal of Biomedical Materials Research. Part A
Yung-Kuan Tsou, Chia-Yuan Liu, Kuang-I Fu, Cheng-Hui Lin, Mu-Shien Lee, Ming-Yao Su, Ken Ohata, Cheng-Tang Chiu
BACKGROUND: Esophageal endoscopic submucosal dissection (ESD) has rarely been reported for the treatment of cirrhotic patients. AIM: To report the results of ESD treatment of superficial esophageal neoplasms (SENs) for cirrhotic patients. METHODS: Forty patients with 50 consecutive SENs undergoing 46 sessions of ESD were retrospectively reviewed. The cirrhotic group included eight patients (11 SENs) with liver cirrhosis consisting of six patients classified as Child-Pugh class A liver cirrhosis and two patients classified as class B liver cirrhosis...
October 21, 2016: Digestive Diseases and Sciences
Marek Sierzega, Marzena Lenart, Magdalena Rutkowska, Marta Surman, Bozenna Mytar, Andrzej Matyja, Maciej Siedlar, Jan Kulig
BACKGROUND: Neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and lymphocyte-monocyte ratio (LMR) may serve as a simple index of the immune function. The aim of this study was to investigate the prognostic significance of NLR, PLR, and LMR in patients with resectable pancreatic ductal adenocarcinoma (PDAC) and to verify whether such biomarkers are associated with changes in populations of lymphoid cells. METHODS: The prognostic implications of blood count parameters were evaluated in a retrospective cohort of 442 subjects undergoing pancreatic resections for PDAC...
October 21, 2016: Annals of Surgical Oncology
Aditya K Gupta, Jessie Carviel, William Abramovits
Alopecia areata (AA) is non-scarring hair loss resulting from an autoimmune disorder. Severity varies from patchy hair loss that often spontaneously resolves to severe and chronic cases that can progress to total loss of scalp and body hair. Many treatments are available; however, the efficacy of these treatments has not been confirmed, especially in severe cases, and relapse rates are high. First-line treatment often includes corticosteroids such as intralesional or topical steroids for mild cases and systemic steroids or topical immunotherapy with diphenylcyclopropenone or squaric acid dibutylester in severe cases...
October 22, 2016: American Journal of Clinical Dermatology
Akil Patel, Timothy R Miller, Ravi Shivashankar, Gaurav Jindal, Dheeraj Gandhi
BACKGROUND AND OBJECTIVE: Acute thrombus formation following aneurysm treatment with the Pipeline embolization device (PED) is a potentially devastating complication that may result in significant thromboembolic sequelae if not promptly treated. We therefore evaluated PED cases complicated by acute thrombus formation at our institution, with an emphasis on identifying early angiographic signs that may portend this event. MATERIALS AND METHODS: We retrospectively identified cases of acute thrombosis following PED placement in 100 consecutive procedures performed at our institution from a prospectively maintained clinical database...
October 21, 2016: Journal of Neurointerventional Surgery
Ayşegül İdil Soylu, Sümeyra Arıkan Cortcu, Fatih Uzunkaya, Yunus Oktay Atalay, Tumay Bekçi, Levent Güngör, Ümit Belet
OBJECTIVES: Platelet-to-lymphocyte ratio is a novel biomarker, recently shown to be correlated with atherosclerotic inflammation. This study investigated the role of platelet-to-lymphocyte ratio in patients with carotid artery stenosis and stroke. METHODS: Patients, who underwent carotid angiography with Multiple Detector Computed Tomography Angiography at our hospital, were retrospectively screened. Patients enrolled were divided into three groups based on the platelet-to-lymphocyte ratio...
October 20, 2016: Vascular
Michael Karlsson, Johannes K Ehinger, Sarah Piel, Fredrik Sjövall, Johanna Henriksnäs, Urban Höglund, Magnus J Hansson, Eskil Elmér
Metabolic crisis is a clinical condition primarily affecting patients with inherent mitochondrial dysfunction in situations of augmented demand. To model this, ten pigs received an infusion of rotenone, a mitochondrial complex I inhibitor, or vehicle. Clinical parameters, blood gases, continuous indirect calorimetry, in vivo muscle oxygen tension, ex vivo mitochondrial respiration and metabolomics were assessed. Rotenone induced a progressive increase in lactate which was paralleled by an increase in oxygen tension in venous blood and skeletal muscle...
October 18, 2016: Mitochondrion
Da-Shi Qi, Jin-Hao Tao, Lian-Qin Zhang, Mei Wang, Rui Qu, Lian-Qin Zhang, Pei Liu, Jian-Cheng Miu, Jing-Yi Ma, Xin-Yu Mei
Cilostazol(CTL) is a phosphodiesterase inhibitor, which has been widely used as anti-platelet agent. It also has preventive effects on various central nervous system (CNS) diseases, including ischemic stroke, Parkinson's disease and Alzheimer disease. However, the molecular mechanism underlying the protective effects of CTL is still unclear, and whether CTL can prevent I/R induced cognitive deficit has not been reported. Transient global brain ischemia was induced by 4-vessel occlusion in adult male Sprague-Dawley rats...
October 18, 2016: Brain Research
Carsten Deppermann, Paul Kubes
The primary function of platelets is to patrol the vasculature and seal vessel breaches to limit blood loss. However, it is becoming increasingly clear that they also contribute to pathophysiological conditions like thrombosis, atherosclerosis, stroke and infection. Severe sepsis is a devastating disease that claims hundreds of thousands of lives every year in North America and is a major burden to the public health system. Platelet surface receptors like GPIb, αIIbβ3, TLR2 and TLR4 are involved in direct platelet-bacteria interactions...
October 18, 2016: Seminars in Immunology
Serdar Sivgin, Sinan Nazlim, Gokmen Zararsiz, Osman Baspinar, Leylagul Kaynar, Kemal Deniz, Mustafa Cetin, Ali Unal, Bulent Eser
BACKGROUND: Iron overload is one of the most significant problems as a leading cause of death in patients with leukemia and those who underwent allogeneic hematopoietic stem cell transplantation (alloHSCT). METHODS: In the current study, we retrospectively evaluated the bone marrow iron scores (BMIS) in patients who underwent alloHSCT (n = 125). The first available bone marrow biopsy specimens prior to the alloHSCT procedure or date of hospitalization (control group) were assessed in a blinded fashion using a standardized scoring system...
October 2016: Clinical Lymphoma, Myeloma & Leukemia
Paul A Gurbel, Kevin P Bliden, Rahul Chaudhary, Jeff Patrick, Fang Liu, Gailing Chen, Christopher McLeod, Udaya S Tantry
High platelet reactivity and high platelet turnover have been implicated in incomplete platelet inhibition during immediate-release acetylsalicylic acid therapy in patients with type 2 diabetes mellitus (DM). An extended-release acetylsalicylic acid (ER-ASA; Durlaza) formulation was developed to provide 24-hour antithrombotic effects with once-daily dosing. The objective of the study was to evaluate the antiplatelet effects of ER-ASA in patients with DM. In this open-label, single-center study, patients with DM (n = 40) and multiple cardiovascular risk factors received ER-ASA 162...
September 20, 2016: American Journal of Cardiology
Chenglong Hu, Shaoyun Chen, Yuan Wang, Xueqing Liu, Jiyan Liu, Weihong Zhang, Jian Chen, Wenzhi Zhang
Recently, considerable efforts have been made to prepare Surface-enhanced Raman scattering (SERS) nanostructures with high sensitivity and good reproducibility, which are always difficult and costly. In this article, we provide a simple route on the synthesis of silver particles with a novel single {111} plane and triangular morphology by reducing silver nitrate with poly(vinyl pyrrolidone) (PVP) in N,N-dimethylformamide (DMF) solutions. The results show that the Raman intensities of rhodamine 6G (R6G) decrease with decreasing the loading concentration and that R6G loading follows the first-order adsorption kinetics...
December 1, 2016: Talanta
Katharina Grundler, Raffaela Rotter, Sloane Tilley, Joachim Pircher, Thomas Czermak, Mustaf Yakac, Erik Gaitzsch, Steffen Massberg, Florian Krötz, Hae-Young Sohn, Ulrich Pohl, Hanna Mannell, Bjoern F Kraemer
INTRODUCTION: Platelets possess critical hemostatic functions in the system of thrombosis and hemostasis, which can be affected by a multitude of external factors. Previous research has shown that platelets have the capacity to synthesize proteins de novo and more recently a multicatalytic protein complex, the proteasome, has been discovered in platelets. Due to its vital function for cellular integrity, the proteasome has become a therapeutic target for anti-proliferative drug therapies in cancer...
October 13, 2016: Thrombosis Research
A L Litvinenko, A E Moskalensky, N A Karmadonova, V M Nekrasov, D I Strokotov, A I Konokhova, M A Yurkin, E A Pokushalov, A V Chernyshev, V P Maltsev
Whereas commercially available hematological analyzers measure volume of individual platelets, angle-resolved light-scattering provides unique ability to additionally measure their shape index. We utilized the scanning flow cytometer to measure light-scattering profiles (LSPs) of individual platelets taken from 16 healthy donors and the solution of the inverse light-scattering problem to retrieve the volume and shape index of each platelet. In normal conditions, the platelet shape index distribution (PSID) demonstrates three peaks, which relate to resting, partially activated, and fully activated platelets...
October 21, 2016: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
Divya Singh, Ghanshyam Upadhyay, Ananya Sengupta, Mohammed A Biplob, Shaleen Chakyayil, Tiji George, Shireen Saleque
Understanding the production and differentiation of megakaryocytes from progenitors is crucial for realizing the biology and functions of these vital cells. Previous gene ablation studies demonstrated the essential role of the transcriptional repressor Gfi1b (growth factor independence 1b) in the generation of both erythroid and megakaryocytic cells. However, our recent work has demonstrated the down-regulation of this factor during megakaryocytic differentiation. In this study we identify two new gene targets of Gfi1b, the cytoskeletal proteins Kindlin3 and Talin1, and demonstrate the inverse expression and functions of these cytoskeletal targets relative to Gfi1b, during megakaryocytic differentiation...
2016: PloS One
Leszek Szablewski, Anna Sulima
It is known fact that diabetes mellitus (DM) affects blood cells. Changes in the erythrocyte membrane, disorder in hemoglobin oxygen-binding and modification in mechanical characteristics, are effects of hyperglycemia on red blood cells. Altered susceptibility infection of patients with diabetes has been ascribed to a depression in the function of polymorphonuclear leukocytes. Neutrophil function in case of patients with diabetes with good glucose control is slightly different than in the case of healthy ones...
October 21, 2016: Biological Chemistry
Yongyue Wei, Paula Tejera, Zhaoxi Wang, Ruyang Zhang, Feng Chen, Li Su, Xihong Lin, Ednan K Bajwa, B Taylor Thompson, David C Christiani
RATIONALE: Platelets are believed to contribute to the acute respiratory distress syndrome (ARDS) pathogenesis through inflammatory coagulation pathways. We recently reported that LRRC16A modulates baseline platelet counts to mediate ARDS risk. OBJECTIVES: To examine the role of LRRC16A in ARDS survival and its mediating effect through platelets. METHODS: 414 ARDS cases from intensive care unit (ICU) were recruited which had exome-wide genotyping data, detailed platelet counts and follow-up data during ICU hospitalizaiton...
October 21, 2016: American Journal of Respiratory and Critical Care Medicine
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