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https://www.readbyqxmd.com/read/28539172/influence-of-aspirin-and-non-aspirin-nsaid-use-on-ovarian-and-endometrial-cancer-summary-of-epidemiologic-evidence-of-cancer-risk-and-prognosis
#1
REVIEW
F Verdoodt, S K Kjaer, S Friis
Increasing evidence supports a role for aspirin use in reducing the incidence and mortality of several cancer types. This has spurred a new wave of interest in this widely used drug. In this review, we present and evaluate the epidemiologic evidence of the association between the use of aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) and the incidence and prognosis of ovarian and endometrial cancer. The evidence of a preventive effect of NSAID use on risk of ovarian or endometrial cancer is based primarily on results from observational studies and, consequently, is only suggestive...
June 2017: Maturitas
https://www.readbyqxmd.com/read/28537433/aspirin-mediated-acetylation-protects-against-multiple-neurodegenerative-pathologies-by-impeding-protein-aggregation
#2
Srinivas Ayyadevara, Meenakshisundaram Balasubramaniam, Ramani Alla, J L Mehta, Robert J Shmookler Reis
AIMS: Many progressive neurological disorders, including Alzheimer's, Huntington's, and Parkinson's diseases, are characterized by accumulation of insoluble protein aggregates. In prospective trials, the cyclooxygenase inhibitor aspirin (acetylsalicylic acid) reduced the risk of Alzheimer's and Parkinson's diseases, as well as cardiovascular events and many late-onset cancers. In view of previous evidence that inflammation promotes protein hyperphosphorylation and aggregation in neurodegenerative diseases, we asked whether aspirin's known ability to block phosphorylation may be secondary to its acetylation of protein targets...
May 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28526350/designing-novel-bioconjugates-of-hydroxyethyl-cellulose-and-salicylates-for-potential-pharmaceutical-and-pharmacological-applications
#3
Khawar Abbas, Muhammad Amin, Muhammad Ajaz Hussain, Muhammad Sher, Syed Nasir Abbas Bukhari, Ibrahim Jantan, Kevin J Edgar
This deals with fabrication of macromolecular prodrugs (MPDs) of salicylic acid (SA) and aspirin (ASP) based on a hydrophilic cellulose ether, hydroxyethyl cellulose (HEC). Degrees of substitution (DS) of SA and ASP per HEC repeating unit (HEC-RU) were achieved ranging from 0.60 to 2.18 and 0.53 to1.50, respectively. The amphiphilic HEC-SA conjugate 2 assembled into nanowire-like structures, while HEC-ASP conjugate 6 formed nanoparticles (diameter 300-00nm) at a water/DMSO interface. After oral administration in rabbit models, conjugates 2 and 6 showed plasma half-life of 6...
May 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28525374/the-effect-of-rapamycin-nvp-bez235-aspirin-and-metformin-on-pi3k-akt-mtor-signaling-pathway-of-pik3ca-related-overgrowth-spectrum-pros
#4
Yasuyo Suzuki, Yasushi Enokido, Kenichiro Yamada, Mie Inaba, Kumiko Kuwata, Naoki Hanada, Tsuyoshi Morishita, Seiji Mizuno, Nobuaki Wakamatsu
The phosphatidylinositol 3-kinase (PI3K)/AKT/mTOR signaling pathway is critical for cellular growth and metabolism. Recently, mosaic or segmental overgrowth, a clinical condition caused by heterozygous somatic activating mutations in PIK3CA, was established as PIK3CA-related overgrowth spectrum (PROS). In this study, we report a Japanese female diagnosed with PROS, who presented with hyperplasia of the lower extremities, macrodactyly, multiple lipomatosis, and sparse hair. Sequencing and mutant allele frequency analysis of PIK3CA from affected tissues revealed that the patient had a heterozygous mosaic mutation (c...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28520220/endothelial-damage-effects-of-circulating-microparticles-from-patients-with-stable-angina-is-reduced-by-aspirin-though-erk-p38-mapks-pathways
#5
Cheng Gong, Xue-Feng Shan, Xu-Lang Wang, Wei-Wei Dong, Zhe Li, D Xin-Hong Liu, Wei Zhang, Kun Xing, Feng-Jun Chang
INTRODUCTION: Platelet activation participate in the development of both coronary artery disease (CAD) and circulating microparticles (MPs). As a commonly used medicine for coronary heart disease, whether aspirin affects the function of MPs remains unclear. AIMS: This study was designed to test MPs from healthy subjects, stable angina (SA) patients before and after aspirin administration were obtained. MPs origins were tested by flow cytometry. Rat thoracic aortas were incubated with MPs (with or without aspirin) to determine the effects of MPs on expression of ERK1/2, JNKs and p38 MAPK...
May 18, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28511718/simultaneous-development-of-kawasaki-disease-following-acute-human-adenovirus-infection-in-monozygotic-twins-a-case-report
#6
Sayaka Fukuda, Shuichi Ito, Maya Fujiwara, Jun Abe, Nozomu Hanaoka, Tsuguto Fujimoto, Hiroshi Katsumori
BACKGROUND: The etiology of Kawasaki disease (KD) remains unknown. However, many studies have suggested that specific genetic factors and/or some infectious agents underlie the onset of KD. Previous studies have suggested that human adenovirus (HAdV) is one of the triggering pathogens of KD. Here, we report monozygotic twin boys who sequentially developed KD in conjunction with acute HAdV type 3 (HAdV-3) infection. CASE PRESENTATION: The patients were four-year-old monozygotic twin boys...
May 16, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28504994/preoperative-low-dose-aspirin-exposure-and-outcomes-after-emergency-neurosurgery-for-traumatic-intracranial-hemorrhage-in-elderly-patients
#7
Alex T Lee, Arni Gagnidze, Sharon R Pan, Pimwan Sookplung, Bala Nair, Shu-Fang Newman, Alon Ben-Ari, Ahmed Zaky, Kevin Cain, Monica S Vavilala, Irene Rozet
BACKGROUND: Antiplatelet medications are usually discontinued before elective neurosurgery, but this is not an option for emergent neurosurgery. We performed a retrospective cohort study to examine whether preoperative aspirin use was associated with worse outcomes after emergency neurosurgery in elderly patients. METHODS: We analyzed all cases of emergency neurosurgical procedures for traumatic intracranial hemorrhage from 2008 to 2012 at a level 1 trauma center...
May 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28503981/platelet-reactivity-influences-clot-structure-as-assessed-by-fractal-analysis-of-viscoelastic-properties
#8
Rebecca B Knowles, Matthew J Lawrence, Plinio M Ferreira, Melissa A Hayman, Lindsay A D'Silva, Sophie N Stanford, Ahmed Sabra, Arthur T Tucker, Karl M Hawkins, Phylip R Williams, Timothy D Warner, Phillip A Evans
Despite the interwoven nature of platelet activation and the coagulation system in thrombosis, few studies relate both analysis of protein and cellular parts of coagulation in the same population. In the present study, we use matched ex vivo samples to determine the influences of standard antiplatelet therapies on platelet function and use advanced rheological analyses to assess clot formation. Healthy volunteers were recruited following fully informed consent then treated for 7 days with single antiplatelet therapy of aspirin (75 mg) or prasugrel (10 mg) or with dual antiplatelet therapy (DAPT) using aspirin (75 mg) plus prasugrel (10 mg) or aspirin (75 mg) plus ticagrelor (90 mg)...
May 15, 2017: Platelets
https://www.readbyqxmd.com/read/28502103/reduced-platelet-aggregation-in-women-after-intercourse-a-possible-role-for-the-cyclooxygenase-pathway
#9
Gabriel Mayoral-Andrade, Laura Pérez-Campos-Mayoral, Abraham Majluf-Cruz, Eduardo Perez-Campos Mayoral, Carlos Perezcampos Mayoral, Ana Rocha-Núñez, Margarito Martinez, Edgar Zenteno, Leticia Hernandez-Gonzalez, María Guadalupe López Juan, Alma Dolores Pérez-Santiago, Eduardo Pérez-Campos
We hypothesise that molecules in the cyclooxygenase pathway affect platelet activity when seminal fluid (SF) is present. We considered the influence of SF on platelet aggregation in women, and believe that the prostanoids in SF signalling are significant. Thirty-one female subjects were studied, 20 of whom were sexually active. Male partners were given either aspirin or indomethacin to inhibit cyclooxygenase. The 6-keto prostaglandin F1α (6-keto PGF1α) and prostaglandin E metabolite (PGE-M) in SF were measured by competitive assay...
May 14, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28501680/dilated-virchow-robin-spaces-in-the-hippocampus-impact-behaviors-and-effects-of-anti-depressant-treatment-in-model-of-depressed-rats
#10
Yuefeng Li, Jinchuan Yan, Xiaolan Zhu, Yan Zhu, Shun Yao, Yuhao Xu, Shenghong Ju
The occurrences of dilated Virchow-Robin spaces (dVRSs) and inflammatory factors were closely related with development of depression and antidepressants. The present study indicated accumulation of inflammatory factors in dVRSs played a practical role in behaviors and the treatment-resistant in rats with depression. Eighty-one male Wistar rats were exposed to chronic unpredictable mild stress (CUMS) until the model was successfully established. According to the detection of dVRSs on 7 T structural magnetic resonance imaging (MRI), rats were divided into two groups (45 CUMS(non-dVRSs) rats and 36 CUMS(dVRSs) rats)...
April 21, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28494138/rational-design-and-synthesis-of-1-arylideneamino-4-aryl-1h-imidazole-2-amine-derivatives-as-antiplatelet-agents
#11
Salimeh Amidi, Marjan Esfahanizadeh, Kimia Tabib, Zohreh Soleimani, Farzad Kobarfard
Based on the previous studies indicating the pharmacophoric role of hydrazone group and azole rings for antiplatelet aggregation activity, a few series of compounds with both hydrazone and azole (imidazole) ring in their structures were synthesized and their platelet aggregation inhibitory effect was evaluated. Two compounds among the 1-(arylideneamino)-4-aryl-1H-imidazole-2-amine derivatives compound 4a and 4p showed IC50 values comparable to that of aspirin against collagen as platelet aggregation inducer...
May 11, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28491265/experience-with-ruxolitinib-in-the-treatment-of-polycythaemia-vera
#12
REVIEW
Samah Alimam, Claire Harrison
Polycythaemia vera (PV) is a myeloproliferative neoplasm classically characterized by an erythrocytosis and is associated with a high risk of thromboembolic events, constitutional symptoms burden and risk of transformation to myelofibrosis and acute myeloid leukaemia. Therapy is directed at the haematocrit (HCT) to reduce the risk of thrombotic events and usually comprises low-dose aspirin and phlebotomy to maintain HCT at >45%. Frequently in addition, cytoreductive therapy is indicated in high-risk patients for normalizing haematological parameters to mitigate the occurrence of thromboembolic events...
April 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28469496/use-and-misuse-of-aspirin-in-primary-cardiovascular-prevention
#13
REVIEW
Sergio Coccheri
The use of low-dose aspirin in primary prevention of cardiovascular (CV) events in healthy or apparently healthy people is a widely debated topic. Many arguments indicate that "primary prevention" is only a conventional definition and that the transition from primary to secondary prevention represents a continuum of increasing levels of CV risk. Although there are no direct proofs of a different efficacy of aspirin at different CV risk levels, in low-risk populations aspirin will appear to be less efficient...
2017: Clinical Medicine Insights. Cardiology
https://www.readbyqxmd.com/read/28468653/a-description-of-the-methods-of-the-aspirin-supplementation-for-pregnancy-indicated-risk-reduction-in-nulliparas-aspirin-study
#14
Matthew K Hoffman, Shivaprasad S Goudar, Bhalachandra S Kodkany, Norman Goco, Marion Koso-Thomas, Menachem Miodovnik, Elizabeth M McClure, Dennis D Wallace, Jennifer J Hemingway-Foday, Antoinette Tshefu, Adrien Lokangaka, Carl L Bose, Elwyn Chomba, Musaku Mwenechanya, Waldemar A Carlo, Ana Garces, Nancy F Krebs, K Michael Hambidge, Sarah Saleem, Robert L Goldenberg, Archana Patel, Patricia L Hibberd, Fabian Esamai, Edward A Liechty, Robert Silver, Richard J Derman
BACKGROUND: Preterm birth (PTB) remains the leading cause of neonatal mortality and long term disability throughout the world. Though complex in its origins, a growing body of evidence suggests that first trimester administration of low dose aspirin (LDA) may substantially reduce the rate of PTB. METHODS: Hypothesis: LDA initiated in the first trimester reduces the risk of preterm birth. Study Design Type: Prospective randomized, placebo-controlled, double-blinded multi-national clinical trial conducted in seven low and middle income countries...
May 3, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28463896/a-meta-analysis-of-the-impact-of-aspirin-clopidogrel-and-dual-antiplatelet-therapy-on-bleeding-complications-in-noncardiac-surgery
#15
Jesse A Columbo, Andrew J Lambour, Rebecca A Sundling, Nirali B Chauhan, Sarah Y Bessen, David L Linshaw, Ravinder Kang, Natalie B V Riblet, Philip P Goodney, David H Stone
OBJECTIVE: The aim of this study was to determine the bleeding risks associated with single (aspirin) and dual (aspirin + clopidogrel) antiplatelet therapy (DAPT) versus placebo or no treatment in adults undergoing noncardiac surgery. SUMMARY OF BACKGROUND DATA: The impact of antiplatelet therapy on bleeding during noncardiac surgery remains controversial. A meta-analysis was performed to examine the risk associated with single and DAPT. METHODS: A systematic review of antiplatelet therapy, noncardiac surgery, and perioperative bleeding was performed...
May 1, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28459825/patterns-of-analgesic-use-to-relieve-tooth-pain-among-residents-in-british-columbia-canada
#16
Jamie Moeller, Julie Farmer, Carlos Quiñonez
The use of prescription opioids has increased dramatically in Canada in recent decades. This rise in opioid prescriptions has been accompanied by increasing rates of opioid-related abuse and addiction, creating serious public health challenges in British Columbia (BC), one of Canada's most populated provinces. Our study explores the relationship between dental pain and prescription opioid use among residents in BC. We used data from the 2003 Canadian Community Health Survey (CCHS), which asked respondents about their use of specific analgesic medications, including opioids, and their history of tooth pain in the past month...
2017: PloS One
https://www.readbyqxmd.com/read/28457986/metabolome-analysis-of-effect-of-aspirin-on-drosophila-lifespan-extension
#17
Chaochun Song, Chenxing Zhu, Qi Wu, Jiancheng Qi, Yue Gao, Zhichao Zhang, Uma Gaur, Deying Yang, Xiaolan Fan, Mingyao Yang
Effective approaches for drug development involve the repurposing of existing drugs which are already approved by the FDA. Aspirin has been shown to have many health benefits since its discovery as a nonsteroidal anti-inflammatory drug (NSAID) to treat pain and inflammation. Recent experiments demonstrated the longevity effects of aspirin in Drosophila, but its mechanism remains to be explored. In order to elucidate the effects of drug on metabolism, we carried out the metabolic analysis of aspirin-treated flies...
April 27, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28454833/changes-in-cardiovascular-medication-after-coronary-artery-calcium-scanning-and-normal-single-photon-emission-computed-tomography-myocardial-perfusion-imaging-in-symptomatic-patients
#18
Elsemiek M Engbers, Jorik R Timmer, Mohamed Mouden, Siert Knollema, Pieter L Jager, Jan Paul Ottervanger
The impact of coronary artery calcium (CAC) scoring on subsequent changes in cardiovascular medication use in symptomatic patients with normal myocardial perfusion imaging (MPI) findings is not well established. The aim of the current study was to evaluate changes in aspirin and statin use in patients suspected for coronary artery disease after CAC scoring and normal single photon emission computed tomography (SPECT) MPI. METHODS: In the current study, 1,033 stable symptomatic patients without a known history of coronary artery disease with normal SPECT MPI who underwent concomitant CAC scoring were included...
April 2017: American Heart Journal
https://www.readbyqxmd.com/read/28453510/is-aspirin-associated-with-diabetic-retinopathy-the-singapore-epidemiology-of-eye-disease-seed-study
#19
Yuan Shi, Yih-Chung Tham, Ning Cheung, Jacqueline Chua, Gavin Tan, Paul Mitchell, Jie Jin Wang, Yin Bun Cheung, Ching-Yu Cheng, Tien Yin Wong
BACKGROUND/AIMS: To determine the association between aspirin use and diabetic retinopathy (DR) among persons with diabetes, in a population-based, cross-sectional study. METHODS: Subjects with diabetes aged >40 years from the Singapore Epidemiology of Eye Diseases Study were enrolled in this study. Retinal photographs were graded for DR according to the modified Airlie House classification system. Vision threatening diabetic retinopathy (VTDR) was defined as the presence of severe non-proliferative DR, or proliferative DR, or clinically significant macular oedema...
2017: PloS One
https://www.readbyqxmd.com/read/28446493/hospital-performance-on-percutaneous-coronary-intervention-process-and-outcomes-measures
#20
Philip W Chui, Craig S Parzynski, Brahmajee K Nallamothu, Frederick A Masoudi, Harlan M Krumholz, Jeptha P Curtis
BACKGROUND: The Physician Consortium for Performance Improvement recently proposed percutaneous coronary intervention (PCI)-specific process measures. However, information about hospital performance on these measures and the association of PCI process and outcomes measures are not available. METHODS AND RESULTS: We linked the National Cardiovascular Data Registry (NCDR) CathPCI Registry with Medicare claims data to assess hospital performance on established PCI process measures (aspirin, thienopyridines, and statins on discharge; door-to-balloon time; and referral to cardiac rehabilitation), newly proposed PCI process measures (documentation of contrast dose, glomerular filtration rate, and PCI indication; appropriate indication for elective PCI; and use of embolic protection device), and a composite of all process measures...
April 26, 2017: Journal of the American Heart Association
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