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https://www.readbyqxmd.com/read/29656983/prophylaxis-and-treatment-of-foetal-growth-restriction
#1
REVIEW
Aamod Nawathe, Anna L David
Foetal growth restriction (FGR) and associated placental pathologies such as pre-eclampsia and stillbirth arise in early pregnancy when inadequate remodelling of maternal spiral arteries leads to persistent high-resistance low-flow uteroplacental circulation. Current interventions concentrate on targeting the placental ischaemia-reperfusion injury and oxidative stress associated with an imbalance in angiogenic/anti-angiogenic factors. Recent meta-analyses confirm that aspirin modestly reduces the risk for small-for-gestational-age pregnancy in high-risk women...
February 23, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29599304/aspirin-in-the-management-of-patients-with-prostate-cancer-undergoing-radiotherapy-friend-or-foe
#2
REVIEW
Bianca Mascan, Laure Marignol
Aspirin has cyclooxygenase-2 (COX2)-mediated anti-inflammatory and anti-coagulant properties that may confer a positive effect in preventing and limiting the progression of prostate cancer. Prostate cancer has been shown to have poor treatment outcomes due to therapeutic resistance; therefore, COX2 inhibition caused by aspirin could represent an opportunity to augment current therapies. This is particularly of interest to patients undergoing radiation therapy (RT) where inflammation is a common side-effect...
April 2018: Anticancer Research
https://www.readbyqxmd.com/read/29560090/mutation-of-tgf%C3%AE-rii-eliminates-nsaid-cancer-chemoprevention
#3
Juana Martín-López, Pierluigi Gasparini, Kevin Coombes, Carlo M Croce, Gregory P Boivin, Richard Fishel
Non-steroidal anti-inflammatory drugs (NSAIDs) exhibit anti-neoplastic (chemoprevention) activity for sporadic cancers and the hereditary cancer predisposition Lynch syndrome (LS/HNPCC). However, the mechanism of NSAID tumor suppression has remained enigmatic. Defects in the core mismatch repair (MMR) genes MSH2 and MLH1 are the principal drivers of LS/HNPCC. Previous work has demonstrated that the villin - Cre+/- Msh2flox/flox (VpC-Msh2) mouse is a reliable model for LS/HNPCC intestinal tumorigenesis, which is significantly suppressed by treatment with the NSAID aspirin (ASA) similar to human chemoprevention...
February 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29545399/specificity-protein-transcription-factors-and-cancer-opportunities-for-drug-development
#4
Stephen Safe, James L Abbruzzese, Maen Abdelrahim, Erik Hedrick
Specificity protein (Sp) transcription factors (TFs) such as Sp1 are critical for early development but their expression decreases with age and there is evidence that transformation of normal cells to cancer cells is associated with upregulation of Sp1, Sp3 and Sp4 which are highly expressed in cancer cells and tumors. Sp1 is a negative prognostic factor for pancreatic, colon, glioma, gastric, breast, prostate, and lung cancer patients. Functional studies also demonstrate that Sp TFs regulate genes responsible for cancer cell growth, survival, migration/invasion, inflammation and drug resistance, and Sp1, Sp3 and Sp4 are also non-oncogene addiction (NOA) genes and important drug targets...
March 15, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29530996/aspirin-resistance-risk-factors-and-prognostic-significance-in-patients-with-cerebral-small-vessel-disease
#5
Jacek Staszewski, Renata Piusińska-Macoch, Ewa Skrobowska, Bogdan Brodacki, Katarzyna Macek, Adam Stępień
BACKGROUND: The clinical significance of aspirin resistance (AR) in patients with symptomatic cerebrovascular disease is not well known. The aim of this single-center, prospective study was to examine the prevalence, risk factors and prognostic significance of AR in patients with different clinical manifestations of cerebral small vessel disease (CSVD) over 24-month follow-up. METHODS: We studied 104 patients with MRI confirmed CSVD, including those with recent lacunar stroke (LS, n=49), vascular parkinsonism (VaP, n=16) and dementia (VaD, n=39)...
January 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29529091/effects-of-ramadan-fasting-on-aspirin-resistance-in-type-2-diabetic-patients
#6
Wahid Bouida, Kaouthar Beltaief, Houda Baccouche, Mouna Sassi, Zohra Dridi, Imen Trabelsi, Kamel Laaouiti, Taher Chakroun, Ilhem Hellara, Riadh Boukef, Nabil Sakly, Mohsen Hassine, Faouzi Added, Rabie Razgallah, Fadhel Najjar, Semir Nouira
AIMS: Ramadan fasting (RF) may affect aspirin resistance. We conducted this study in patients with cardiovascular risk (CVR) factors to assess the effect of RF on aspirin resistance and explore whether type 2 diabetes mellitus (DM) would influence this effect. METHODS: A total of 177 stable patients with ≥2 CVR factors were recruited. All patients observed RF and were taking aspirin. Physical exam and standard biological tests including glycaemia and serum lipids data were performed before Ramadan (Pre-R), at the last week of Ramadan (R) and four weeks after the end of Ramadan (Post-R)...
2018: PloS One
https://www.readbyqxmd.com/read/29526765/pharmacometabolomics-analysis-of-plasma-to-phenotype-clopidogrel-high-on-treatment-platelets-reactivity-in-coronary-artery-disease-patients
#7
Arwa M Amin, Lim Sheau Chin, Chin-Hoe Teh, Hamza Mostafa, Dzul Azri Mohamed Noor, Muhamad Ali S K Abdul Kader, Yuen Kah Hay, Baharudin Ibrahim
Dual antiplatelet therapy (DAPT) of clopidogrel and aspirin is crucial for coronary artery disease (CAD) patients undergoing percutaneous coronary intervention (PCI). However, some patients may endure clopidogrel high on treatment platelets reactivity (HTPR) which may cause thromboembolic events. Clopidogrel HTPR is multifactorial with some genetic and non-genetic factors contributing to it. We aimed to use nuclear magnetic resonance (1 H NMR) pharmacometabolomics analysis of plasma to investigate this multifactorial and identify metabolic phenotypes and pathways associated with clopidogrel HTPR...
March 8, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29520080/impact-of-cyp2c19-polymorphism-in-prognosis-of-minor-stroke-or-tia-patients-with-declined-egfr-on-dual-antiplatelet-therapy-chance-substudy
#8
Yu Wu, Yilun Zhou, Yuesong Pan, Xingquan Zhao, Liping Liu, David Wang, Chunxue Wang, Hao Li, S Claiborne Johnston, Xia Meng, Yilong Wang, Yongjun Wang
Clopidogrel resistance is prevalent in chronic kidney disease (CKD) patients. Genetic polymorphism is considered to be the most important factor that influences clopidogrel resistance. Limited data exist as to the role of pharmacogenetics in prognosis of stroke patients with impaired renal function on clopidogrel. We sought to explore whether decreased kidney function alters the association between CYP2C19 genetic variants and clinical outcome in patients with minor stroke or transient ischemic attack (TIA) receiving clopidogrel therapy...
March 8, 2018: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/29512784/transdermal-estrogen-gel-and-oral-aspirin-combination-therapy-improves-fertility-prognosis-via-the-promotion-of-endometrial-receptivity-in-moderate-to-severe-intrauterine-adhesion
#9
Yugang Chi, Ping He, Li Lei, Yi Lan, Jianguo Hu, Ying Meng, Lina Hu
Intrauterine adhesion (IUA) is one of the most common gynecological diseases in women of reproductive age. IUA, particularlyin moderate to severe forms, accounts for a large percentage of infertility cases. Clinically, the first‑line treatment strategy for IUA is transcervical resection of adhesion (TCRA), followed by adjuvant postoperative treatment. Estrogen is one of the classic chemotherapies used following TCRA and contributes to preventing re‑adhesion following surgery. However, estrogen has limited effects in promoting pregnancy, which is the ultimate goal for IUA management...
March 6, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29504069/pik3ca-mutation-sensitizes-breast-cancer-cells-to-synergistic-therapy-of-pi3k-inhibition-and-ampk-activation
#10
Songlin Liu, Yunhong Tang, Maomao Yan, Weixi Jiang
Breast cancer has been emerging as a most common threat among women, thus many efforts were made to find drugs for fighting breast cancer. So far, PI3K (Phosphatidylinositol-4,5-bisphosphate 3-kinase) inhibitors have been believed to be effective drugs until frequent resistance emerged. Recently, PI3K H1047R mutation has been reported to sensitize breast cancer cells to PI3K inhibition by aspirin. Considering aspirin activates AMPK (AMP-activated protein kinase) simultaneously, it is possible that AMPK activators and PI3K inhibitors can synergistically inhibit breast cancers...
March 5, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29492737/treatment-of-tuberculous-meningitis-and-its-complications-in-adults
#11
REVIEW
Angharad Davis, Graeme Meintjes, Robert J Wilkinson
PURPOSE OF REVIEW: Tuberculous meningitis (TBM) is a global health problem. In this review, we systematically evaluate the evidence for current and emerging antimicrobials, host-directed therapies and supportive managements. RECENT FINDINGS: Current antimicrobial regimes do not factor the differing ability of drugs to cross the blood-brain barrier. Rifampicin may be more effective at higher doses yet the most recent clinical trial failed to demonstrate survival benefit at 15 mg/kg/day...
February 28, 2018: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29490275/aspirin-recapitulates-features-of-caloric-restriction
#12
Federico Pietrocola, Francesca Castoldi, Maria Markaki, Sylvie Lachkar, Guo Chen, David P Enot, Sylvere Durand, Noelie Bossut, Mingming Tong, Shoaib A Malik, Friedemann Loos, Nicolas Dupont, Guillermo Mariño, Nejma Abdelkader, Frank Madeo, Maria Chiara Maiuri, Romano Kroemer, Patrice Codogno, Junichi Sadoshima, Nektarios Tavernarakis, Guido Kroemer
The age-associated deterioration in cellular and organismal functions associates with dysregulation of nutrient-sensing pathways and disabled autophagy. The reactivation of autophagic flux may prevent or ameliorate age-related metabolic dysfunctions. Non-toxic compounds endowed with the capacity to reduce the overall levels of protein acetylation and to induce autophagy have been categorized as caloric restriction mimetics (CRMs). Here, we show that aspirin or its active metabolite salicylate induce autophagy by virtue of their capacity to inhibit the acetyltransferase activity of EP300...
February 27, 2018: Cell Reports
https://www.readbyqxmd.com/read/29490066/dual-antiplatelet-therapy-combining-aspirin-and-ticagrelor-for-intracranial-stenting-procedures-a-retrospective-single-center-study-of-154-consecutive-patients-with-unruptured-aneurysms
#13
Ana Paula Narata, Aymeric Amelot, Richard Bibi, Denis Herbreteau, Denis Angoulvant, Yves Gruel, Kevin Janot
BACKGROUND: Dual antiplatelet therapy (DAPT) associating aspirin + clopidogrel is commonly utilized in neurovascular interventions despite unpredictable clopidogrel efficacy with 4% to 50% of patients considered nonresponders. Ticagrelor is an antiplatelet agent with low resistance rates but unknown efficacy and safety in neurovascular patients. OBJECTIVE: To evaluate frequency of ischemic and hemorrhagic events in patients treated with aspirin and ticagrelor when associated with perioperative heparin bolus for unruptured aneurysms treated with intracranial stents...
February 26, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29489462/monitoring-of-antiplatelet-therapy-in-children-on-ventricular-assist-device-support-comparison-of-multiplate-and-thromboelastography-platelet-mapping
#14
Lee P Ferguson, Phuoc Duong, Kim F Pearce, Paul Murphy, Tina T Biss
The optimal method for monitoring antiplatelet therapy in children supported with ventricular assist devices (VADs) is unknown. We conducted a retrospective study to compare Thromboelastography Platelet Mapping (TEG/PM) with multiple electrode platelet aggregometry (MEA) on a Multiplate analyzer (Roche Diagnostics, Mannheim, Germany). We analyzed data from 66 paired blood samples from 9 patients <16 years of age on VAD where platelet function was simultaneously measured with TEG/PM and MEA. Antiplatelet dose-response relationships and intraindividual variability during steady state therapy were determined...
February 27, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29482394/synthesis-and-biological-evaluation-of-n-arylpiperazine-derivatives-of-4-4-dimethylisoquinoline-1-3-2h-4h-dione-as-potential-antiplatelet-agents
#15
Monika Marcinkowska, Magdalena Kotańska, Agnieszka Zagórska, Joanna Śniecikowska, Monika Kubacka, Agata Siwek, Adam Bucki, Maciej Pawłowski, Marek Bednarski, Jacek Sapa, Małgorzata Starek, Monika Dąbrowska, Marcin Kołaczkowski
Despite the substantial clinical success of aspirin and clopidogrel in secondary prevention of ischemic stroke, up to 40% of patients remain resistant to the available antiplatelet treatment. Therefore, there is an urgent clinical need to develop novel antiplatelet agents with a novel mechanism of action. Recent studies revealed that potent alpha 2B-adrenergic receptor (alpha 2B-ARs) antagonists could constitute alternative antiplatelet therapy. We have synthesized a series of N-arylpiperazine derivatives of 4,4-dimethylisoquinoline-1,3(2H,4H)-dione as potential alpha 2B receptor antagonists...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/29478129/gene-polymorphisms-in-dual-antiplatelet-therapy-and-the-presence-of-hypo-attenuated-leaflet-thickening-after-transcatheter-aortic-valve-replacement
#16
Tian-Yuan Xiong, Yan-Biao Liao, Yuan Feng, Ming-Yue Zhao, Zhen-Gang Zhao, Yi-Jian Li, Xiao-Jing Liu, Mao Chen
The imaging finding of hypo-attenuated leaflet thickening (HALT) on bioprosthesis after transcatheter aortic valve replacement (TAVR) has been reported. The underlying mechanism is not clear, but leaflet thrombosis is speculated to be the cause. Heterogeneous antiplatelet responses may play a role in the process. This is a prospective, single-center pilot study in patients who received successful TAVR from June 2012 to November 2016. HALT on post-procedural multi-detector computed tomography. We thoroughly genotyped 34 SNPs and 8 SNPs that have been reported for clopidogrel and aspirin resistance...
February 24, 2018: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29477135/potential-of-anthocyanin-to-prevent-cardiovascular-disease-in-diabetes
#17
Almottesembellah Abdalruhman Gaiz, Sapha Mosawy, Natalie Colson, Indu Singh
Context • Type 2 diabetes mellitus is an independent precipitating factor for cardiovascular disease (CVD). Heart disease is one of the leading causes of mortality in patients with diabetes, mainly due to macrovascular complications, such as atherosclerosis. Although aspirin is a frequently used therapy for the inhibition of platelet hyperactivity, many studies suggest that aspirin resistance is rising. Objective • The study intended to investigate the benefits of anthocyanin (AC) as an antioxidant with inhibitory effects on platelets and, consequently, its potential usefulness as complementary antiplatelet therapy to attenuate the negative effects of atherosclerosis and CVD in patients with diabetes...
February 24, 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29471853/oncoprotein-hbxip-enhances-hoxb13-acetylation-and-co-activates-hoxb13-to-confer-tamoxifen-resistance-in-breast-cancer
#18
Bowen Liu, Tianjiao Wang, Huawei Wang, Lu Zhang, Feifei Xu, Runping Fang, Leilei Li, Xiaoli Cai, Yue Wu, Weiying Zhang, Lihong Ye
BACKGROUND: Resistance to tamoxifen (TAM) frequently occurs in the treatment of estrogen receptor positive (ER+) breast cancer. Accumulating evidences indicate that transcription factor HOXB13 is of great significance in TAM resistance. However, the regulation of HOXB13 in TAM-resistant breast cancer remains largely unexplored. Here, we were interested in the potential effect of HBXIP, an oncoprotein involved in the acceleration of cancer progression, on the modulation of HOXB13 in TAM resistance of breast cancer...
February 23, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29466201/-antiaggregants-in-primary-prevention-of-cardiovascular-diseases-and-prevention-of-atherothrombosis-in-patients-with-stable-ischemic-heart-disease-aspects-of-efficacy-and-safety
#19
N B Perepech, I E Mikhaylova
This review is devoted to the use of antiaggregants. We consider here pathogenesis of intraarterial thrombosis, mechanism of action of antiaggregants, and recommendations on the use of drugs of this class for primary prevention of cardiovascular diseases and prevention of atherothrombotic complications of stable ischemic heart disease. Information on mechanisms of development and causes of resistance to antiaggregants is also presented. Finally we discuss the problem of safety of therapy with antiaggregants, methods of lowering the risk of bleeding, and prevention of aspirin induced gastropathy...
February 2018: Kardiologiia
https://www.readbyqxmd.com/read/29448294/impact-of-multidrug-resistance-protein-4-inhibitors-on-modulating-platelet-function-and-high-on-aspirin-treatment-platelet-reactivity
#20
Laura Alemanno, Isabella Massimi, Vanessa Klaus, Maria Luisa Guarino, Teresa Maltese, Luigi Frati, Dominick J Angiolillo, Fabio M Pulcinelli
Platelet multidrug resistance protein 4 (MRP4) plays a modulating role on platelet activation. Platelet function and thrombus formation are impaired in MRP4 knockout mice models, and, among aspirin-treated patients, high on-aspirin residual platelet reactivity (HARPR) positively correlates with MRP4 levels. To better understand the effects of MRP4 on platelet function, the aim of this investigation was to assess the impact of cilostazol-induced inhibition of MRP4-mediated transport and assess aspirin-induced antiplatelet effects and rates of HARPR in human subjects...
March 2018: Thrombosis and Haemostasis
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