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Aspirin AND COX

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https://www.readbyqxmd.com/read/29330312/high-sensitive-c-reactive-protein-and-dual-antiplatelet-in-intracranial-arterial-stenosis
#1
Jiejie Li, Anxin Wang, Xingquan Zhao, Liping Liu, Xia Meng, Jinxi Lin, Jing Jing, Xinying Zou, Yilong Wang, Yongjun Wang
OBJECTIVE: To determine the relationship of high-sensitive C-reactive protein (hsCRP) and the efficacy and safety of dual antiplatelet therapy in patients with and without intracranial arterial stenosis (ICAS) in the Clopidogrel in High-Risk Patients with Acute Non-disabling Cerebrovascular Events (CHANCE) trial. METHODS: A subgroup of 807 patients with both magnetic resonance angiography images and hsCRP measurement was analyzed. Cox proportional hazards models were used to assess the interaction of hsCRP levels with the effects of dual and single antiplatelet therapy...
January 12, 2018: Neurology
https://www.readbyqxmd.com/read/29325919/patients-with-cerebral-stroke-have-an-increased-risk-of-gastroesophageal-reflux-disease-a-population-based-cohort-study
#2
Chen-Shu Chang, Hsuan-Ju Chen, Chun-Hui Liao
BACKGROUND: Medical complications following stroke often result in significant morbidity. This study was designed to investigate the prevalence and risk of gastroesophageal reflux disease (GERD) between patients with stroke and those without stroke in Taiwan. METHODS AND RESULTS: This retrospective cohort study was conducted using the Taiwan National Health Insurance Research Database. The study included 18,412 patients newly diagnosed as having stroke during 2000-2006 and 18,412 patients without stroke frequency-matched by sex, age, and index year...
January 8, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29317123/c-reactive-protein-in-relation-to-fecundability-and-anovulation-among-eumenorrheic-women
#3
Rose G Radin, Lindsey A Sjaarda, Robert M Silver, Carrie J Nobles, Sunni L Mumford, Neil J Perkins, Brian D Wilcox, Anna Z Pollack, Karen C Schliep, Torie C Plowden, Enrique F Schisterman
OBJECTIVE: To assess systemic inflammation in relation to fecundability and anovulation. DESIGN: Prospective cohort study among participants in the Effects of Aspirin in Gestation and Reproduction trial who were assigned to the placebo. SETTING: Academic medical centers. PATIENT(S): Healthy eumenorrheic women (n = 572), 18-40 years of age, with one or two pregnancy losses, attempting spontaneous pregnancy. INTERVENTION(S): Baseline serum high-sensitivity C-reactive protein (hsCRP) values <10 mg/L were categorized into tertiles...
January 6, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29316682/effect-of-omega-3-fatty-acid-supplementation-on-oxylipins-in-a-routine-clinical-setting
#4
Christoph Schmöcker, Ingrid W Zhang, Stefanie Kiesler, Ursula Kassner, Annika I Ostermann, Elisabeth Steinhagen-Thiessen, Nils H Schebb, Karsten-H Weylandt
Omega-6 polyunsaturated fatty acid (n-6 PUFA) is the predominant polyunsaturated fatty acid (PUFA), especially in Western diet. A high omega-6/omega-3 ratio in Western diets is implicated in the development of cardiovascular diseases and inflammatory processes. Studies in animal models and in humans have demonstrated beneficial effects of omega-3 PUFA (n-3 PUFA) in a variety of diseases, including cardiac arrhythmias and inflammatory diseases, as well as breast and colon cancer. The molecular mechanisms underlying the effects of n-3 PUFA are still not well understood...
January 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29315293/aspirin-use-and-ovarian-cancer-mortality-in-a-danish-nationwide-cohort-study
#5
Freija Verdoodt, Susanne K Kjaer, Christian Dehlendorff, Søren Friis
BACKGROUND: Increasing data suggest that aspirin use may improve cancer survival; however, the evidence is sparse for ovarian cancer. METHODS: We examined the association between postdiagnosis use of low-dose aspirin and mortality in a nationwide cohort of women with epithelial ovarian cancer between 2000 and 2012. Information on filled prescriptions of low-dose aspirin, dates and causes of death, and potential confounding factors was obtained from nationwide Danish registries...
January 9, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29305626/hyperglycaemia-is-associated-with-cancer-related-but-not-non-cancer-related-deaths-evidence-from-the-ipc-cohort
#6
Jean-Marc Simon, Frederique Thomas, Sebastien Czernichow, Olivier Hanon, Cedric Lemogne, Tabassome Simon, Bruno Pannier, Nicolas Danchin
AIMS/HYPOTHESIS: Hyperglycaemia has been associated with the incidence of all and specific types of cancer, distinct from the risks related to diabetes. The relationships between blood glucose and mortality rates related to all and specific cancers were analysed in comparison with all-cause or non-cancer-related mortality rates in a large, general primary care population in France. METHODS: Between January 1991 and December 2008, 301,948 participants (193,221 men and 108,727 women), aged 16-95 years (mean ± SD 44...
January 5, 2018: Diabetologia
https://www.readbyqxmd.com/read/29304392/aspirin-non-responsiveness-in-pregnant-women-at-high-risk-of-pre-eclampsia
#7
Kate Navaratnam, Ana Alfirevic, Andrea Jorgensen, Zarko Alfirevic
OBJECTIVES: Low-dose aspirin is recommended for prevention of pre-eclampsia in high-risk pregnant women. Current doses provide a conservative risk reduction and some individuals demonstrate 'aspirin non-responsiveness', with insufficient antiplatelet effects. We aimed to determine if aspirin non-responsiveness could be identified in women at high risk of pre-eclampsia and assess for potential associations with placentally-mediated adverse outcomes. STUDY DESIGN: Prospective cohort study...
January 1, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29284385/therapeutic-applications-of-prostaglandins-and-thromboxane-a2-inhibitors-in-abdominal-aortic-aneurysms
#8
Courtois Audrey, Makrygiannis Georgios, Cheramy-Bien Jean-Paul, Purnelle Audrey, Pirotte Bernard, Jean Michel Dogné, Julien Hanson, Defraigne Jean-Olivier, Drion Pierre, Natzi Sakalihasan
Abdominal aortic aneurysm (AAA) is one of the leading causes of death in western countries. Surgery is still, at the present time, the sole treatment that has however a significant mortality and cost rate. Many pharmacological agents are under investigation aiming to reduce growth and prevent AAA rupture. These drugs target different pathological pathways and, notably, the excessive production of prostanoids by cyclooxygenases (COX). Intra-aneurysmal thrombus plays an adverse key role in the progression of AAA, platelets being a primary source of prostanoids as thromboxane A2...
December 27, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/29273728/allopurinol-and-risk-of-benign-prostatic-hyperplasia-in-a-finnish-population-based-cohort
#9
Ville Kukko, Antti Kaipia, Kirsi Talala, Kimmo Taari, Teuvo L J Tammela, Anssi Auvinen, Teemu J Murtola
BACKGROUND: Metabolic syndrome and obesity are linked with hyperuricemia, and it has also been proposed that oxidative stress associated with hyperuricemia may promote benign prostatic hyperplasia (BPH). However, it is currently unknown whether use of antihyperuricemic medication is associated with risk of developing BPH. We studied the association between BPH and use of antihyperuricemic allopurinol in a Finnish population-based cohort. METHODS: The study cohort consisted of 74,754 men originally identified for the Finnish Randomized Study of Screening for Prostate Cancer (FinRSPC)...
December 22, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/29259703/prostaglandin-e2-ep2-signaling-as-a-node-of-chronic-inflammation-in-the-colon-tumor-microenvironment
#10
REVIEW
Tomohiro Aoki, Shuh Narumiya
Background: Colorectal cancer is the third most common cancer. Involvement of prostaglandin (PG) system in the pathogenesis of colorectal cancer has been suggested from clinical studies demonstrating therapeutic effect of NSAIDs including aspirin or selective COX-2 inhibitors. However, mechanisms on how PG regulates inflammatory responses leading to colorectal cancer development remain obscure. Further, careful attention is needed to use these drugs for a long time because of adverse effects due to non-specific inhibition of physiological PG production in addition to pathological one, making the development of alternatives to aspirin important...
2017: Inflammation and Regeneration
https://www.readbyqxmd.com/read/29249444/impact-of-quality-of-anticoagulation-control-on-outcomes-in-patients-with-atrial-fibrillation-taking-aspirin-an-analysis-from-the-sportif-trials
#11
Marco Proietti, Gregory Y H Lip
BACKGROUND: Concomitant aspirin (ASA) is often prescribed in anticoagulated patients with atrial fibrillation (AF). We aimed to investigate the relationship between ASA use and quality of anticoagulation control determining major adverse outcomes. METHODS: An ancillary analysis of patients in the warfarin arm of the SPORTIF III and V trials was performed. Quality of anticoagulation control was defined using time in therapeutic range (TTR). RESULTS: 3624 AF patients on warfarin were available for analysis: 1712 (47...
February 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29249187/an-update-on-the-management-of-aspirin-exacerbated-respiratory-disease
#12
Ji-Ho Lee, Chang-Gyu Jung, Hae-Sim Park
Clinical features of aspirin-exacerbated respiratory disease (AERD) consist of moderate to severe asthma associated with chronic rhinosinusitis (CRS), which are derived from overproduction of cysteinyl leukotrienes along with chronic type 2 mediated inflammation in the upper and lower airway mucosa. Area covered: This review provides recent up-to-date information regarding phenotypes of AERD and encompasses comprehensive diagnostic methods and treatment options. To confirm the diagnosis of AERD, provocation testing via nasal, inhalation or the oral route of aspirin remains the gold standard; in vitro diagnostic methods are still not available...
December 18, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29235601/ruthenium-ii-arene-nsaid-complexes-inhibition-of-cyclooxygenase-and-antiproliferative-activity-against-cancer-cell-lines
#13
Poulami Mandal, Bidyut Kumar Kundu, Komal Vyas, Vidya Sabu, A Helen, Sandeep Singh Dhankhar, C M Nagaraja, Debojit Bhattacherjee, Krishna Pada Bhabak, Suman Mukhopadhyay
Non-steroidal anti-inflammatory drugs (NSAIDs) are a group of molecules which have been found to be active against cancer cells with chemopreventive properties by targeting cyclooxygenase (COX-1 and COX-2) and lipoxygenase (LOX), commonly upregulated (particularly COX-2) in malignant tumors. Arene ruthenium(ii) complexes with a pseudo-octahedral coordination environment containing different ancillary ligands have shown remarkable activity against primary and metastatic tumors as reported earlier. This work describes the synthesis of four novel ruthenium(ii)-arene complexes viz...
December 13, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29234949/curc-mpeg454-a-pegylated-curcumin-derivative-improves-anti-inflammatory-and-antioxidant-activities-a-comparative-study
#14
Fei Cheng, Yuhe Chen, Zhu Zhan, Yu Liu, Peng Hu, Hong Ren, Huadong Tang, Mingli Peng
We previously demonstrated that a PEGylated curcumin (Curc-mPEG454) significantly inhibited cyclooxygenase 2 (COX-2) expression and improved the progression of liver fibrosis. The current study systematically evaluates its anti-inflammatory and antioxidant activities in vitro in a comparative study with curcumin, aspirin, NS-398, and vitamin C. RAW264.7 murine macrophages were pretreated with Curc-mPEG454, curcumin, aspirin, NS-398, or vitamin C at the indicated concentration for 2 h; then, the cells were stimulated with 1 μg/mL lipopolysaccharide (LPS) for 24 h...
December 13, 2017: Inflammation
https://www.readbyqxmd.com/read/29231993/etiology-and-long-term-rebleeding-of-endoscopic-ulcerative-lesions-in-the-small-bowel-in-patients-with-obscure-gastrointestinal-bleeding-a-multicenter-cohort-study
#15
Tomonori Aoki, Atsuo Yamada, Yoshihiro Hirata, Hirohumi Suzuki, Ayako Nakada, Ryota Niikura, Motoko Seto, Makoto Okamoto, Kazuhiko Koike
BACKGROUND: Among patients with obscure gastrointestinal bleeding (OGIB), endoscopic ulcerative lesions in the small bowel have diverse etiologies and often cause rebleeding. Certain characteristics of patients or ulcerations may be reasonable indications for diagnostic balloon-assisted endoscopy (BAE) to assess etiology and may be risks of rebleeding; however, these characteristics are unclear. We aimed to elucidate appropriate indications for diagnostic BAE and predictors of long-term rebleeding in patients with small-bowel ulcerative lesions...
December 12, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29229401/regular-use-of-aspirin-or-non-aspirin-nonsteroidal-anti-inflammatory-drugs-is-not-associated-with-risk-of-incident-pancreatic-cancer-in-two-large-cohort-studies
#16
Natalia Khalaf, Chen Yuan, Tsuyoshi Hamada, Yin Cao, Ana Babic, Vicente Morales-Oyarvide, Peter Kraft, Kimmie Ng, Edward Giovannucci, Shuji Ogino, Meir Stampfer, Barbara B Cochrane, JoAnn E Manson, Clary B Clish, Andrew T Chan, Charles Fuchs, Brian M Wolpin
BACKGROUND & AIMS: Use of aspirin and/or non-aspirin nonsteroidal anti-inflammatory drugs (NSAIDs) reduces the risk of several cancers, but it is not clear if use of these drugs is associated with risk of pancreatic cancer. METHODS: We evaluated aspirin and non-aspirin NSAID use and risk of pancreatic adenocarcinoma in 141,940 participants from the Health Professionals Follow-up Study and Nurses' Health Study using multivariable-adjusted Cox proportional hazards regression...
December 8, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29228752/nonsteroidal-anti-inflammatory-drugs-using-and-risk-of-head-and-neck-cancer-a-dose-response-meta-analysis-of-prospective-cohort-studies
#17
Jun Shi, Weidong Leng, Lunhua Zhao, Chenli Xu, Jue Wang, Xiaoli Chen, Yu Wang, Xingchun Peng
Conflicting results identifying the relationship between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk. Therefore, we performed this meta-analysis to clarify and quantitative assessed the relationship between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk. Up to March 2017, 11 original publications were included in this meta-analysis. Our results showed statistically significant association between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk reduction...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227173/changes-in-platelet-function-with-inflammation-in-patients-undergoing-vascular-surgery
#18
Bartosz Olechowski, Vikram Khanna, Mark Mariathas, Alexander Ashby, Richard T Dalton, Ian Nordon, Nicola Englyst, Scott Harris, Zoe Nicholas, Kala Thayalasamy, Michael Mahmoudi, Nick Curzen
The role of platelets in ischaemic events is well established. Aspirin represents the default antiplatelet and blocks the metabolism of arachidonic acid (AA) at the cyclo-oxygenase enzyme (COX). AA is commonly used as a test of response to aspirin, but recent data raise uncertainty about the validity of this approach. Specifically, in some patients AA-induced clotting is not suppressed, but the level of COX-dependent AA metabolite, thromboxane B2 (TXB2) is negligible. Furthermore, AA-induced whole blood clotting varies dynamically in individuals, who are aspirin responsive according to TXB2 levels...
December 11, 2017: Platelets
https://www.readbyqxmd.com/read/29225187/prostaglandin-d2-generation-from-human-lung-mast-cells-is-catalysed-exclusively-by-cyclooxygenase-1
#19
Bandar K Baothman, Jennifer Smith, Linda J Kay, S Kim Suvarna, Peter T Peachell
Mast cells are an exceptionally rich source of prostaglandin D2 (PGD2). PGD2 is pro-inflammatory and can cause bronchoconstriction. The enzyme cyclooxygenase (COX) is central to the generation of prostanoids such as PGD2. Non-steroidal anti-inflammatory drugs (NSAIDs) inhibit COX. COX exists as two isoforms, COX-1 and COX-2. The principal aim of this study was to establish whether COX-1 and/or COX-2 mediates PGD2 generation from human lung mast cells. Mast cells were isolated from human lung tissue and purified by flotation over Percoll and immunomagnetic bead separations...
December 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29212986/effect-of-pear1-genetic-variants-on-1-year-outcomes-in-chinese-patients-with-acute-myocardial-infarction-after-percutaneous-coronary-intervention
#20
Yi Yao, Xiao-Fang Tang, Chen He, Ying Song, Jing-Jing Xu, Xian-Min Meng, Bo Xu, Run-Lin Gao, Jin-Qing Yuan
AIMS: Platelet endothelial aggregation receptor-1 (PEAR1) is a platelet transmembrane protein that plays an important role on platelet aggregation. The aim of this study was to investigate whether PEAR1 genetic variations are associated with 1-year outcomes in Chinese patients with acute myocardial infarction after percutaneous coronary intervention. METHODS: A total of 647 consecutive Chinese patients with acute myocardial infarction that underwent percutaneous coronary intervention and that were exposed to standard dual antiplatelet therapy with aspirin and clopidogrel were enrolled in this study...
December 5, 2017: Journal of Atherosclerosis and Thrombosis
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