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platelet and inflammation

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https://www.readbyqxmd.com/read/28822903/uterine-clinical-findings-fertility-rate-leucocyte-migration-and-cox-2-protein-levels-in-the-endometrial-tissue-of-susceptible-mares-treated-with-platelet-rich-plasma-before-and-after-ai
#1
Lorenzo G Segabinazzi, Aime M Friso, Sebastian B Correal, André M Crespilho, José Antonio Dell'Aqua, Jordi Miró, Frederico O Papa, Marco Antonio Alvarenga
Persistent mating-induced endometritis (PMIE) results in decreased fertility in horses, thereby causing a significant impact in the horse market. Platelet-rich plasma (PRP), a modulator of the inflammatory response, has been largely used in veterinary medicine. Here, we investigated the effects of PRP on uterine inflammation, conception rate, endometrial polymorphonuclear neutrophil (PMN) migration, and COX-2 protein levels in the endometrial tissue. Thirteen PMIE-susceptible mares were used for artificial insemination (AI)...
August 12, 2017: Theriogenology
https://www.readbyqxmd.com/read/28816110/reduced-beta-amyloid-sensitivity-for-platelet-monocyte-aggregates-in-edta-blood-of-alzheimer-patients
#2
Michaela Defrancesco, Josef Marksteiner, Christian Humpel
Alzheimer´s disease (AD) is a severe neurodegenerative brain disorder characterized by beta-amyloid plaques, Tau pathology, inflammation, neurodegeneration, and cerebrovascular dysfunction. Besides that, alterations in monocytes and platelets have been reported in the blood of Alzheimer patients. In the present study, we measured circulating levels of platelet-monocyte aggregates in EDTA blood of cognitively healthy participants and 40 AD patients, and examined their changes induced by stimulation with beta-amyloid peptides...
August 17, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28816020/real-world-efficacy-and-safety-of-ombitasvir-paritaprevir-r-dasabuvir-ribavirin-in-genotype-1b-patients-with-hcv-liver-cirrhosis
#3
Carmen Monica Preda, Corneliu Petru Popescu, Cristian Baicus, Theodor Voiosu, Mircea Manuc, Corina Silvia Pop, Liana Gheorghe, Ioan Sporea, Anca Trifan, Marcel Tantau, Alina Tantau, Emanoil Ceausu, Doina Proca, Ileana Constantinescu, Simona Maria Ruta, Mircea Diculescu, Alexandru Oproiu
BACKGROUND: Direct antiviral agents (DAA) showed very good results in terms of efficacy and safety in clinical trials, but real life data are still needed in order to confirm this profile. MATERIAL AND METHODS: In Romania, through a nationwide government-funded programme in 2015-2016, approx.5800 patients with virus C liver cirrhosis received fully reimbursed DAA therapy with OBV/PTV/r+DSV+RBV for 12 weeks. We analysed a national prospective cohort enrolling the first 2070 patients, all with genotype 1b...
August 17, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28814854/platelet-distribution-width-as-a-prognostic-factor-in-patients-with-copd-pilot-study
#4
Adam J Białas, Claudio Pedone, Wojciech J Piotrowski, Raffaele Antonelli Incalzi
BACKGROUND: Platelets may actively participate in inflammation in COPD. Platelet distribution width (PDW), a measure of platelets' volume heterogeneity, may increase in platelets' activation. We hypothesized that PDW may be a marker of hypercoagulation, which plays a significant role in conditions associated with worse survival of patients with COPD, eg, acute myocardial infarction and other forms of ischemic heart disease. METHODS: Retrospective analysis of 79 patients...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28810547/salvianolic-acid-a-protects-against-myocardial-ischemia-reperfusion-injury-by-reducing-platelet-activation-and-inflammation
#5
Xiaoling Yuan, Yijia Xiang, Ning Zhu, Xuyong Zhao, Shiyong Ye, Peng Zhong, Chunlai Zeng
The aim of the present study was to investigate the protective effect of salvianolic acid A (SAA) on myocardial ischemia/reperfusion injury in rats. SAA (10 mg/kg) or Tirofiban (60 µg/kg) was administered to rats by jugular vein injection 10 min before the initiation of reperfusion. After 3 h of reperfusion, platelet aggregation was measured using an aggregometer and levels of nitric oxide (NO) were detected using an ultraviolet spectrophotometer. Serum levels of cardiac troponin T (cTnT), creatine kinase isoenzyme MB (CK-MB), p-selectin, interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) were also measured 3 and 24 h after reperfusion...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808503/prognostic-efficacy-of-inflammation-based-markers-in-patients-with-curative-colorectal-cancer-resection
#6
Özgür Akgül, Erdinç Çetinkaya, Metin Yalaza, Sabri Özden, Mesut Tez
AIM: To evaluate the prognostic significance of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to-monocyte ratio (LMR), and prognostic nutritional index (PNI) and other clinicopathological factors in patients undergoing curative resection of colon cancer. METHODS: 183 patients with histologically proven colorectal cancer who had undergone potentially curative resection between 2010 and 2016 at Ankara Numune Training and Research Hospital were retrospectively analyzed and clinicopathological characteristics included age, sex, tumor type, grade, size and localization, the number of metastatic and total number of lymph nodes removed, vascular and perineural invasion of the tumor, TNM stages, tumor marker levels (CEA, CA19-9, AFP, CA-125, CA15-3), complete blood counts, albumin levels, overall survival (months), NLR, PLR, LMR and PNI ratios were retrospectively reviewed and analyzed from the electronic database...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808297/secretory-phospholipase-a2-modified-hdl-rapidly-and-potently-suppresses-platelet-activation
#7
Sanja Curcic, Michael Holzer, Lisa Pasterk, Eva Knuplez, Thomas O Eichmann, Saša Frank, Robert Zimmermann, Rudolf Schicho, Akos Heinemann, Gunther Marsche
Levels of secretory phospholipases A2 (sPLA2) highly increase under acute and chronic inflammatory conditions. sPLA2 is mainly associated with high-density lipoproteins (HDL) and generates bioactive lysophospholipids implicated in acute and chronic inflammatory processes. Unexpectedly, pharmacological inhibition of sPLA2 in patients with acute coronary syndrome was associated with an increased risk of myocardial infarction and stroke. Given that platelets are key players in thrombosis and inflammation, we hypothesized that sPLA2-induced hydrolysis of HDL-associated phospholipids (sPLA2-HDL) generates modified HDL particles that affect platelet function...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28802564/interactions-between-platelets-and-inflammatory-monocytes-affect-sickness-behavior-in-mice-with-liver-inflammation
#8
Charlotte D'Mello, Wagdi Almishri, Hongqun Liu, Mark Gordon Swain
BACKGROUND & AIMS: Patients with inflammatory liver disease commonly develop debilitating symptoms, called sickness behaviors, which arise via changes in brain function. Monocytes that produce tumor necrosis factor (TNF) interact with cerebral endothelial cells to activate microglial cells and promote sickness behavior. Platelets regulate inflammation, and aggregates of monocytes and platelets are increased in the circulation of patients with liver disease. We investigated the role of platelets in inducing inflammatory features of circulating monocytes and promoting sickness behaviors in mice with cholestatic liver injury...
August 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28801523/dietary-modulation-of-oxylipins-in-cardiovascular-disease-and-aging
#9
Stephanie P B Caligiuri, Mihir Parikh, Aleksandra Stamenkovic, Grant N Pierce, Harold M Aukema
Oxylipins are a group of fatty acid metabolites generated via oxygenation of polyunsaturated fatty acids and are involved in processes such as inflammation, immunity, pain, vascular tone and coagulation. As a result, oxylipins are implicated in many conditions characterized by these processes including cardiovascular disease and aging. The best characterized oxylipins in relation to cardiovascular disease are derived from the ω-6 fatty acid arachidonic acid. These oxylipins generally increase inflammation, hypertension and platelet aggregation, although not universally...
August 11, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28800542/digitoflavone-dg-attenuates-lps-induced-acute-lung-injury-through-reducing-oxidative-stress-and-inflammatory-response-dependent-on-the-suppression-of-txnip-nlrp3-and-nf-%C3%AE%C2%BAb
#10
Min Meng
Acute lung injury is a severe disease with a high rate of mortality. Digitoflavone (DG) was suggested to possess bioactivities to reduce oxidative stress, inflammation and to regulate apoptosis. In our study, the normal saline, a low dose of DG (12.5mg/kg), a medium dose of DG (25mg/kg) and a high dose of DG (50mg/kg) were administered to male C57BL/6 mice by gavage. And then, the mice were intratracheally injected with either normal saline or lipopolysaccharide (LPS). We found that DG ameliorated LPS-induced lung injury and platelets activation, accompanied with reduced CD41 expression and neutrophil platelet aggregates (NPAs)...
August 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28799653/kindlin-2-interacts-with-endothelial-adherens-junctions-to-support-vascular-barrier-integrity
#11
Elzbieta Pluskota, Kamila M Bledzka, Katarzyna Bialkowska, Dorota Szpak, Dmitry A Soloviev, Sidney Jones, Dmitriy Verbovetskiy, Edward F Plow
Endothelial cells (EC) establish a physical barrier between the blood and surrounding tissue. Impairment of this barrier can occur during inflammation, ischemia or sepsis and cause severe organ dysfunction. Kindlin-2, primarily recognized as a focal adhesion protein in EC, was not anticipated to have a role in vascular barrier. We tested the role of Kindlin-2 in regulating vascular integrity using several different approaches to decrease Kindlin-2 levels in EC. Reduced levels of Kindlin-2 in Kindlin-2(+/-) mice, aortic endothelial cells (MAECs) from these(-) mice, and human umbilical ECs (HUVEC) treated with Kindlin-2 siRNA showed enhanced basal and Platelet Activating Factor (PAF) or lipopolysaccharide-stimulated vascular leakage compared to wild-type (WT) counterparts...
August 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28796173/effects-of-vegetables-on-cardiovascular-diseases-and-related-mechanisms
#12
REVIEW
Guo-Yi Tang, Xiao Meng, Ya Li, Cai-Ning Zhao, Qing Liu, Hua-Bin Li
Epidemiological studies have shown that vegetable consumption is inversely related to the risk of cardiovascular diseases. Moreover, research has indicated that many vegetables like potatoes, soybeans, sesame, tomatoes, dioscorea, onions, celery, broccoli, lettuce and asparagus showed great potential in preventing and treating cardiovascular diseases, and vitamins, essential elements, dietary fibers, botanic proteins and phytochemicals were bioactive components. The cardioprotective effects of vegetables might involve antioxidation; anti-inflammation; anti-platelet; regulating blood pressure, blood glucose, and lipid profile; attenuating myocardial damage; and modulating relevant enzyme activities, gene expression, and signaling pathways as well as some other biomarkers associated to cardiovascular diseases...
August 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28794643/preoperative-lymphocyte-to-monocyte-ratio-represents-a-superior-predictor-compared-with-neutrophil-to-lymphocyte-and-platelet-to-lymphocyte-ratios-for-colorectal-liver-only-metastases-survival
#13
Jianhong Peng, Hui Li, Qingjian Ou, Junzhong Lin, Xiaojun Wu, Zhenhai Lu, Yunfei Yuan, Desen Wan, Yujing Fang, Zhizhong Pan
Systemic inflammation was recognized as an essential factor contributing to the development of malignancies. This study aimed to investigate the prognostic value of pre-operative lymphocyte-to-monocyte ratio (LMR), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR) in patients with colorectal liver-only metastases (CLOM) undergoing hepatectomy. We retrospectively enrolled 150 consecutive patients with CLOM between 2000 and 2012. The optimal cutoff values of continuous LMR, NLR, and PLR were determined using the receiver operating characteristic curve analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28794106/flow-mediated-dilation-and-peripheral-arterial-tonometry-are-disturbed-in-pre-eclampsia-and-reflect-different-aspects-of-endothelial-function
#14
Dominique Mannaerts, Ellen Faes, Inge Goovaerts, Tibor Stoop, Jerome Cornette, Wilfried Jozef Gyselaers, Marc E A Spaanderman, Emeline M Van Craenenbroeck, Yves Jacquemyn
BACKGROUND: Endothelial function and arterial stiffness are known to be altered in pre-eclamptic pregnancies. Previous studies have shown conflicting results regarding the best technique for assessing vascular function in pregnancy. In this study, we made a comprehensive evaluation of in vivo vascular function (including flow-mediated dilatation (FMD), peripheral arterial tonometry (PAT), and arterial stiffness) in pre-eclamptic patients and compared them to normal pregnancies. In addition, we assessed the relation between vascular function and systemic inflammation...
August 9, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28783682/myosin-light-chains-9-and-12-are-functional-ligands-for-cd69-that-regulate-airway-inflammation
#15
Koji Hayashizaki, Motoko Y Kimura, Koji Tokoyoda, Hiroyuki Hosokawa, Kenta Shinoda, Kiyoshi Hirahara, Tomomi Ichikawa, Atsushi Onodera, Asami Hanazawa, Chiaki Iwamura, Jungo Kakuta, Kenzo Muramoto, Shinichiro Motohashi, Damon J Tumes, Tomohisa Iinuma, Heizaburo Yamamoto, Yuzuru Ikehara, Yoshitaka Okamoto, Toshinori Nakayama
Recent decades have witnessed a rapid worldwide increase in chronic inflammatory disorders such as asthma. CD4(+) T helper 2 cells play critical roles in the pathogenesis of allergic airway inflammation, and CD69 expression on activated CD4 T cells is required to induce allergic inflammation in tissues. However, how CD69 mechanistically controls allergic inflammation remains poorly defined. In lymphoid tissues, CD69 regulates cellular retention through inhibition of S1P1 expression and requires no specific ligands to function...
September 16, 2016: Science Immunology
https://www.readbyqxmd.com/read/28771433/the-impact-of-vitamin-c-on-the-relationship-among-inflammation-lipid-peroxidation-and-platelet-activation-during-analgesic-nephropathy-in-rats
#16
Nikola Hadzi-Petrushev, Dine Mitrov, Vladimir Kostovski, Mitko Mladenov
BACKGROUND: Oxidative stress and inflammation are involved in the pathogenesis of paracetamol-induced renal damage. This study examines the relationship between 8-iso-prostaglandin F2α (8-iso-PGF2α) and platelet activation as well as the relative contribution of the pro-inflammatory markers interleukin (IL)-1β and tumor necrosis factor-α (TNF-α) in enhanced 8-iso-PGF2α biosynthesis, as a complementary onset during analgesic nephropathy induced by chronic treatment with paracetamol...
August 3, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28769542/relationship-of-mean-platelet-volume-to-mdd-a-retrospective-study
#17
Liqiang Cai, Luoyi Xu, Lili Wei, Wei Chen
BACKGROUND: Results of numerous studies show that major depressive disorder (MDD) is associated with a chronic low-grade inflammation, but the underlying mechanism remains unclear. AIM: To compare the results of blood cell analysis of MDD patients with healthy controls, and explore the potential value of it as an indicator of immune-inflammation in MDD, especially the mean platelet volume. METHODS: 103 MDD patients and 106 healthy controls with matched age and gender were recruited...
February 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28769143/zonulin-a-potential-marker-of-intestine-injury-in-newborns
#18
Anna Tarko, Anna Suchojad, Marta Michalec, Małgorzata Majcherczyk, Aniceta Brzozowska, Iwona Maruniak-Chudek
INTRODUCTION: Zonulin (ZO), a new diagnostic biomarker of intestinal permeability, was tested in newborns presenting symptoms of infection and/or inflammation of the gut or being at risk of intestinal pathology. MATERIAL AND METHODS: Serum ZO was assessed in 81 newborns diagnosed with sepsis, necrotizing enterocolitis (NEC), rotavirus infection, and gastroschisis, also in extremely low gestational age babies, and in controls (healthy newborns). ZO concentration was compared to C-reactive protein (CRP) and procalcitonin (PCT) values, leucocyte and platelet count, basic demographic data, and the value of the Neonatal Therapeutic Intervention Scoring System (NTISS)...
2017: Disease Markers
https://www.readbyqxmd.com/read/28767444/thrombin-induced-platelet-fibrin-clot-strength-in-relation-to-platelet-volume-indices-and-inflammatory-markers-in-patients-with-coronary-artery-disease
#19
Hai-Chen Lv, Hong-Yi Wu, Jia-Sheng Yin, Jun-Bo Ge
Platelet aggregation and inflammation are both implicated in coronary artery disease (CAD). Thrombin induced platelet-fibrin clot strength (MAThrombin) measured by thrombelastography (TEG) has been proved to be a novel marker of platelet aggregation. The aim of this study was to investigate the correlation of MAThrombin to platelet volume indices (PVIs) or to inflammatory markers in different types of CAD. 206 patients with different types of CAD were enrolled. MAThrombin, PVIs, including mean platelet volume (MPV), platelet distribution width (PDW), and platelet-large cell ratio (P-LCR) as well as inflammatory markers, including high-sensitivity C-reactive protein (hs-CRP) and fibrinogen (Fbg) were measured...
July 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765945/platelet-rich-plasma-exhibits-beneficial-effects-for-rheumatoid-arthritis-mice-by-suppressing-inflammatory-factors
#20
Shichao Tong, Changqing Zhang, Ji Liu
Platelet-rich plasma (PRP) is a multifunctional blood product containing highly concentrated platelets, and various cell growth factors which promote cell proliferation and differentiation. PRP exhibited benefits in injurious articular cartilage repair and the removal of inflammatory factors in clinical studies. Rheumatoid arthritis (RA) is an autoimmune disease manifesting primarily as inflammatory arthritis, which is associated with notable morbidity in humans. In the present study, the therapeutic effects and primary mechanism of PRP on a type II collagen‑induced arthritis (CIA) mouse model was investigated...
July 27, 2017: Molecular Medicine Reports
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