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platelet and inflammation

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https://www.readbyqxmd.com/read/28431566/the-prognostic-value-of-the-preoperative-c-reactive-protein-albumin-ratio-in-ovarian-cancer
#1
Yubo Liu, Shengfu Chen, Chengyu Zheng, Miao Ding, Lan Zhang, Liangan Wang, Meiqing Xie, Jianhua Zhou
BACKGROUND: Inflammation plays an important role in the pathogenesis of ovarian cancer. This study sought to investigate the association between the preoperative c-reactive protein/albumin ratio (CRP/Alb) and oncological outcomes in ovarian cancer patients. METHODS: Two hundred patients with histologically verified ovarian cancer between June 2006 and July 2012 were retrospectively reviewed. Overall survival was evaluated by the Kaplan-Meier method and log-rank test...
April 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28429893/significant-associations-between-c-reactive-protein-levels-body-adiposity-distribution-and-peripheral-blood-cells-in-school-age-children
#2
Aralia Berenice Salgado-Bernabé, Luz Elena Ramos-Arellanol, Iris Paola Guzmán-Guzmán, José Francisco Muñoz-Valle, Natividad Castro-Alarcón, Amalia Vences-Velázquez, Lorenzo Salga-do-Goytia, Isela Parra-Rojas
Obesity is associated with a state of chronic low-grade inflammation. Ge- nerally, there are significant correlations between body mass index and increased C-reactive protein levels. We investigated the relationship of high sensitivity C-reactive protein (hsCRP) levels with body adiposity distribution and blood cell count in obese children. A cross-sec- tional study was performed in 225 Mexican children. In the study were included 106 obese and 119 normal-weight children, aged 6-13 years old. The body composition was evaluated by BMI, body circumferences and skinfold thickness...
June 2016: Investigación Clínica
https://www.readbyqxmd.com/read/28429138/prothrombotic-state-in-asthma-is-related-to-increased-levels-of-inflammatory-cytokines-il-6-and-tnf%C3%AE-in-peripheral-blood
#3
Stanislawa Bazan-Socha, Lucyna Mastalerz, Agnieszka Cybulska, Lech Zareba, Romy Kremers, Michal Zabczyk, Grazyna Pulka, Teresa Iwaniec, Coenraad Hemker, Anetta Undas
Recently, we have reported that asthma is associated with enhanced plasma thrombin formation and impaired fibrinolysis. The mechanisms underlying the prothrombotic state in this disease are unknown. Our aim was to investigate whether prothrombotic alterations in asthmatics are associated with inflammation. We studied 164 adult, white, stable asthmatics and 72 controls matched for age, sex, body mass index (BMI), and smoking. Plasma tumor necrosis factor α (TNFα), interleukin (IL)-6, and serum periostin were evaluated using ELISAs, and their associations with thrombin generation, fibrinolytic capacity, expressed as clot lysis time (CLT), and platelet markers were later analyzed...
April 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28427942/inhibitory-effects-of-ethyl-pyruvate-on-platelet-aggregation-and-phosphatidylserine-exposure
#4
Wenjin Li, Xinyu Yang, Minyuan Peng, Can Li, Guangfu Mu, Fangping Chen
Ethyl pyruvate (EP) is a stable lipophilic pyruvate derivative. Studies demonstrated that EP shows potent anti-oxidation, anti-inflammatory and anti-coagulant effects. Inflammation and coagulation are closely interacted with platelet activation. However, it is unclear whether EP has anti-platelet effects. Therefore, we investigated the anti-platelet effect of EP in this study in vitro. We found that EP inhibited agonists induced platelets aggregation, ATP release and adhesion to collagen. Flow cytometric analysis revealed that EP inhibited agonist induced platelets PAC-1 binding, as well as P-selectin and CD40L expression...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28423351/significance-of-inflammation-based-indices-in-the-prognosis-of-patients-with-non-metastatic-colorectal-cancer
#5
Xiangping Song, Hong Zhu, Qian Pei, Fengbo Tan, Chenglong Li, Zhongyi Zhou, Yuan Zhou, Nanhui Yu, Yuqiang Li, Haiping Pei
Previous studies demonstrated that several inflammation-based hematological indices are closely related to various malignancies, including colorectal cancer (CRC). In this study, the prognostic value of inflammation-based markers, including a combination index termed coNLR-PDW, comprising the preoperative neutrophil-to-lymphocyte ratio (NLR) and the platelet distribution width (PDW), was evaluated in 206 patients with non-metastatic CRC treated with surgery at a single medical center. The association of patient demographics, blood chemistry, and serum biochemical indices with recurrence-free survival (RFS) and overall survival (OS) were examined through univariate and multivariate analysis...
April 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419855/a-randomized-trial-of-silymarin-for-the-treatment-of-non-alcoholic-steatohepatitis
#6
Wah-Kheong Chan, Nik Raihan Nik Mustapha, Sanjiv Mahadeva
BACKGROUND & AIMS: Silymarin is a complex mixture of 6 major flavonolignans and other minor polyphenolic compounds derived from the milk thistle plant Silybum marianum; it has shown anti-oxidant, anti-inflammatory and anti-fibrotic effects, and may be useful in patients with non-alcoholic fatty liver disease (NAFLD). We aimed to study the efficacy of silymarin in patients with non-alcoholic steatohepatitis (NASH)-the more severe form of NAFLD. METHODS: We performed a randomized, double-blind, placebo-controlled trial of consecutive adults with biopsy-proven NASH and a NAFLD activity score (NAS) of 4 or more at a tertiary care hospital in Kuala Lumpur, Malaysia, from November 2012 through August 2014...
April 15, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28419428/platelets-much-more-than-bricks-in-a-breached-wall
#7
REVIEW
Maria Elisa Mancuso, Elena Santagostino
Platelets have various roles in vascular biology and homeostasis. They are the first actor in primary haemostasis and play important roles in thrombosis pathogenesis, but they are also part of innate immunity, which initiates and accelerate many inflammatory conditions. In some contexts, their immune functions are protective, while in others they contribute to adverse inflammatory outcomes. Platelets express numerous receptors and contain hundreds of secretory molecules that are crucial for platelet functional responses...
April 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28418908/plasma-protein-profiling-in-patients-undergoing-coronary-artery-bypass-grafting-surgery-and-clinical-significance
#8
Zhi-Peng Guo, Hai-Tao Hou, Rui Jing, Zhen-Guo Song, Xiao-Cheng Liu, Guo-Wei He
This study was designed to identify the protein profiling in patients with triple vessel coronary artery disease (CAD) undergoing CABG, in order to detect CAD-related differential proteins in these patients. CABG patients with triple vessel disease with/without left main stenosis (n =160) were compared to normal coronary angiographic subjects (n =160). Plasma samples of 20 males and 20 females in each group were analyzed with iTRAQ technique. ELISA test was used to test the chosen proteins from iTRAQ results in plasma samples from a new cohort of the CABG group (n=120, male/femal=61/59) and control (n =120, male/female=60/60)...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416795/neutrophil-stunning-by-metoprolol-reduces-infarct-size
#9
Jaime García-Prieto, Rocío Villena-Gutiérrez, Mónica Gómez, Esther Bernardo, Andrés Pun-García, Inés García-Lunar, Georgiana Crainiciuc, Rodrigo Fernández-Jiménez, Vinatha Sreeramkumar, Rafael Bourio-Martínez, José M García-Ruiz, Alfonso Serrano Del Valle, David Sanz-Rosa, Gonzalo Pizarro, Antonio Fernández-Ortiz, Andrés Hidalgo, Valentín Fuster, Borja Ibanez
The β1-adrenergic-receptor (ADRB1) antagonist metoprolol reduces infarct size in acute myocardial infarction (AMI) patients. The prevailing view has been that metoprolol acts mainly on cardiomyocytes. Here, we demonstrate that metoprolol reduces reperfusion injury by targeting the haematopoietic compartment. Metoprolol inhibits neutrophil migration in an ADRB1-dependent manner. Metoprolol acts during early phases of neutrophil recruitment by impairing structural and functional rearrangements needed for productive engagement of circulating platelets, resulting in erratic intravascular dynamics and blunted inflammation...
April 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28412911/pharmacological-therapy-of-abdominal-aortic-aneurysm-an-update
#10
Yi-Dong Wang, Zhen-Jie Liu, Jun Ren, Mei-Xiang Xiang
Abdominal aortic aneurysm (AAA), a progressive segmental abdominal aortic dilation, is associated with high mortality. AAA is characterized by inflammation, smooth muscle cell (SMC) depletion and extracellular matrix (ECM) degradation. Surgical intervention and endovascular therapy are recommended to prevent rupture of large AAAs. Unfortunately, there is no reliable pharmacological agent available to limit AAA expansion. In the past decades, extensive investigations and a body of ongoing clinical trials aimed at defining potent treatments to inhibit and even regress AAA growth...
April 13, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28412137/are-markers-of-systemic-inflammation-good-prognostic-indicators-in-colorectal-cancer
#11
REVIEW
Sabrina Rossi, Michele Basso, Antonia Strippoli, Giovanni Schinzari, Ettore D'Argento, Mario Larocca, Alessandra Cassano, Carlo Barone
Systemic inflammation has been proved to play a crucial role in promoting cancer progression and metastasis in many cancer types, including colorectal cancer (CRC). The aim of the present review was to provide an overview of studies regarding the prognostic value of inflammation-based markers in patients with CRC. A literature search was performed for articles reporting the prognostic value of the Glasgow prognostic score (GPS), modified GPS (mGPS), neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and lymphocyte-to-monocyte ratio (LMR) in relation to CRC outcomes...
March 24, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28410617/treatment-with-high-dose-n-3-pufas-has-no-effect-on-platelet-function-coagulation-metabolic-status-or-inflammation-in-patients-with-atherosclerosis-and-type-2-diabetes
#12
Malgorzata Poreba, Magdalena Mostowik, Aleksander Siniarski, Renata Golebiowska-Wiatrak, Krzysztof Piotr Malinowski, Maciej Haberka, Ewa Konduracka, Jadwiga Nessler, Anetta Undas, Grzegorz Gajos
BACKGROUND: Despite numerous studies on cardioprotective effects of omega-3 polyunsaturated fatty acids (n-3 PUFAs), there is limited evidence for n-3 PUFA-mediated effects, especially at its higher dose, on cardiovascular risk in patients with type 2 diabetes (DM2) and established atherosclerosis. PURPOSE: To investigate the effect of daily treatment with a higher dose (2 g) of n-3 PUFAs on platelet function, coagulation parameters, fibrin clot properties, markers of systemic inflammation and metabolic status, in patients with atherosclerotic vascular disease and DM2 who receive optimal medical therapy...
April 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28409836/platelet-derived-microparticles-regulates-thrombin-generation-via-phophatidylserine-in-abdominal-sepsis
#13
Yongzhi Wang, Su Zhang, Lingtao Luo, Eva Norström, Oscar Ö Braun, Matthias Mörgelin, Henrik Thorlacius
Sepsis is associated with dysfunctional coagulation. Recent data suggest that platelets play a role in sepsis by promoting neutrophil accumulation. Herein, we show that cecal ligation and puncture (CLP) triggered systemic inflammation, which is characterized by formation of IL-6 and CXC chemokines as well as neutrophil accumulation in the lung. Platelet depletion decreased neutrophil accumulation, IL-6 and CXC chemokines formation in septic lungs. Depletion of platelets increased peak thrombin formation and total thrombin generation (TG) in plasma from septic animals...
April 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28405802/vasculo-protective-effect-of-bms-309403-is-independent-of-its-specific-inhibition-of-fatty-acid-binding-protein-4
#14
Yuta Okamura, Kosuke Otani, Akihiro Sekiguchi, Taisuke Kogane, Chiharu Kakuda, Yuzaburo Sakamoto, Tomoko Kodama, Muneyoshi Okada, Hideyuki Yamawaki
Fatty acid-binding protein (FABP) 4 is an adipocytokine mainly expressed in adipocyte and macrophage. Blood FABP4 is related not only to metabolic disorders including insulin resistance and atherosclerosis but also increased blood pressure. We tested the hypothesis that FABP4 plays roles in pathogenesis of hypertension development including proliferation, migration, and inflammation of vascular smooth muscle cells (SMCs) as well as contractile reactivity. FABP4 alone had no influence on proliferation, migration, and inflammation of rat mesenteric arterial SMCs, while it significantly enhanced smooth muscle contraction and increases of systolic blood pressure (SBP) induced by noradrenaline (NA)...
April 13, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28405672/glucagon-like-peptide-1-related-peptides-increase-nitric-oxide-effects-to-reduce-platelet-activation
#15
Cristina Barale, Simona Buracco, Franco Cavalot, Chiara Frascaroli, Angelo Guerrasio, Isabella Russo
Glucagon-like peptide 1 (GLP-1) is object of intensive investigation for not only its metabolic effects but also the protective vascular actions. Since platelets exert a primary role in the pathogenesis of atherosclerosis, inflammation and vascular complications, we investigated whether GLP-1 directly influences platelet reactivity. For this purpose, in platelets from 72 healthy volunteers we evaluated GLP-1 receptor (GLP-1R) expression and the effects of a 15-minute incubation with the native form GLP-1(7-36), the N-terminally truncated form GLP-1(9-36) and the GLP-1 analogue Liraglutide (100 nmol/l) on: i) aggregation induced by collagen or arachidonic acid (AA); ii) platelet function under shear stress; iii) cGMP and cAMP synthesis and cGMP-dependent protein kinase (PKG)-induced Vasodilator-Stimulated-Phosphoprotein (VASP) phosphorylation; iv) activation of the signalling molecules Phosphatidylinositol 3-Kinase (PI3-K)/Akt and Mitogen Activated Protein Kinase (MAPK)/ERK-1/2; and v) oxidative stress...
April 13, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28395882/should-studies-on-glanzmann-thrombasthenia-not-be-telling-us-more-about-cardiovascular-disease-and-other-major-illnesses
#16
REVIEW
Alan T Nurden
Glanzmann thrombasthenia (GT) is a rare inherited bleeding disorder caused by loss of αIIbβ3 integrin function in platelets. Most genetic variants of β3 also affect the widely expressed αvβ3 integrin. With brief mention of mouse models, I now look at the consequences of disease-causing ITGA2B and ITGB3 mutations on the non-hemostatic functions of platelets and other cells. Reports of arterial thrombosis in GT patients are rare, but other aspects of cardiovascular disease do occur including deep vein thrombosis and congenital heart defects...
April 4, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28389621/fluid-shear-induced-cathepsin-b-release-in-the-control-of-mac1-dependent-neutrophil-adhesion
#17
Michael L Akenhead, Shunichi Fukuda, Geert W Schmid-Schönbein, Hainsworth Y Shin
There is compelling evidence that circulatory hemodynamics prevent neutrophil activation, including adhesion to microvessels, in the microcirculation. However, the underlying mechanism or mechanisms by which that mechanoregulation occurs remain unresolved. Here, we report evidence that exposure to fluid shear stress (FSS) promotes neutrophils to release cathepsin B (ctsB) and that this autocrine regulatory event is antiadhesive for neutrophils on endothelial surfaces through Mac1-selective regulation. We used a combined cell-engineering and immunocytochemistry approach to find that ctsB was capable of cleaving Mac1 integrins on neutrophils and demonstrated that this proteolysis alters their adhesive functions...
April 7, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28388908/evaluation-of-antigen-induced-synovitis-in-a-porcine-model-immunological-arthroscopic-and-kinetic-studies
#18
Francisco-Javier Vela, Francisco-Miguel Sánchez-Margallo, Rebeca Blázquez, Verónica Álvarez, Raquel Tarazona, M Teresa Mangas-Ballester, Alejandro Cristo, Javier G Casado
BACKGROUND: Synovitis is an inflammation-related disease linked to rheumatoid arthritis, osteoarthritis, infections and trauma. This inflammation is accompanied by immune cells infiltration which initiates an inflammatory response causing pain, discomfort and affecting the normal joint function. The treatment of synovitis is based on the administration of anti-inflammatory drugs or biological agents such as platelet rich plasma and mesenchymal stem cells. However, the evaluation and validation of more effective therapies of synovitis requires the establishment of clinically relevant animal models...
April 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28383515/abc-transport-proteins-in-cardiovascular-disease-a-brief-summary
#19
REVIEW
Toni Schumacher, Ralf A Benndorf
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters may play an important role in the pathogenesis of atherosclerotic vascular diseases due to their involvement in cholesterol homeostasis, blood pressure regulation, endothelial function, vascular inflammation, as well as platelet production and aggregation. In this regard, ABC transporters, such as ABCA1, ABCG5 and ABCG8, were initially found to be responsible for genetically-inherited syndromes like Tangier diseases and sitosterolemia. These findings led to the understanding of those transporter's function in cellular cholesterol efflux and thereby also linked them to atherosclerosis and cardiovascular diseases (CVD)...
April 6, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28383473/pro-coagulant-activity-of-human-mesenchymal-stem-cells
#20
Barbara A Christy, Maryanne C Herzig, Robbie K Montgomery, Christopher Delavan, James A Bynum, Kristin M Reddoch, Andrew P Cap
BACKGROUND: Allogeneic mesenchymal stem cells (MSCs) show great potential for the treatment of military and civilian trauma, based on their reduced immunogenicity and ability to modulate inflammation and immune function in the recipient. Although generally considered to be safe, MSCs express tissue factor (TF), a potent activator of coagulation. In the current study, we evaluated multiple MSC populations for tissue factor expression and pro-coagulant activity in order to characterize safety considerations for systemic use of MSCs in trauma patients who may have altered coagulation homeostasis...
April 5, 2017: Journal of Trauma and Acute Care Surgery
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