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https://www.readbyqxmd.com/read/28429691/comparison-of-the-effects-of-high-dose-atorvastatin-and-high-dose-rosuvastatin-on-oxidative-stress-in-patients-with-acute-myocardial-infarction-a-pilot-study
#1
Celal Kilit, Fatma Emel Koçak, Türkan Paşalı Kilit
OBJECTIVE: Oxidative stress is increased in patients with acute myocardial infarction (AMI). Statins reduce oxidative stress independent of their effect in reducing low-density lipoprotein cholesterol (LDL-C). The aim of the present study was to compare the effects of atorvastatin and rosuvastatin on oxidative status by investigating serum paraoxonase, serum arylesterase, total oxidant status, total antioxidant status (TAS) and oxidative stress index (OSI) in patients with AMI. METHODS: Seventy patients with AMI were randomized into 2 groups; total of 55 patients (19 females, 36 males) aged 32 to 86 years completed the study and were included in the analysis...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28428922/the-cost-benefit-balance-of-statins-in-hawai-i-a-moving-target
#2
Corey J Lum, Kazuma Nakagawa, Ralph V Shohet, Todd B Seto, Deborah A Taira
Statins are lipid-lowering medications used for primary and secondary prevention of atherosclerotic disease and represent a substantial portion of drug costs in the United States. A better understanding of prescribing patterns and drug costs should lead to more rational utilization and help constrain health care expenditures in the United States. The 2013 Medicare Provider Utilization and Payment Data: Part D Prescriber Public Use File for the State of Hawai'i was analyzed. The number of prescriptions for statins, total annual cost, and daily cost were calculated by prescriber specialty and drug...
April 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/28428086/evaluation-of-garlic-oil-in-nano-emulsified-form-optimization-and-its-efficacy-in-high-fat-diet-induced-dyslipidemia-in-wistar-rats
#3
Ragavan Gokulakannan, Muralidaran Yuvashree, Sridharan Badrinathan, Nachiappa Ganesh Rajesh, Pragasam Viswanathan
Garlic oil nanoemulsion was formulated using ultrasonic emulsification and the optimized garlic oil nanoemulsion ratio (1:2) of oil: surfactant showed spherical, with tiny droplet size 24.9 ± 1.11 nm. It was observed that the prepared nanoemulsion has the zeta potential of -42.63 ± 1.58 mV and a low polydispersity index of 0.2 ± 0.09 with excellent stability. The formulation was subjected to in vivo acute and sub-acute toxicity. In acute toxicity study, single oral administration of 18.63 ml of garlic oil nanoemulsion/kg resulted in immediate mortality...
April 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28425285/directed-evolution-of-carbonyl-reductase-from-rhodosporidium-toruloides-and-its-application-in-stereoselective-synthesis-of-tert-butyl-3r-5s-6-chloro-3-5-dihydroxyhexanoate
#4
Zhi-Qiang Liu, Lin Wu, Xiao-Jian Zhang, Ya-Ping Xue, Yu-Guo Zheng
tert-Butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate ((3R,5S)-CDHH) is a key intermediate of atorvastatin and rosuvastatin synthesis. Carbonyl reductase RtSCR9 from Rhodosporidium toruloides exhibited excellent activity toward tert-butyl (S)-6-chloro-3-hydoxy-5-oxohexanoate ((S)-CHOH). To improve the activity of RtSCR9, random mutagenesis and site-saturation mutagenesis were performed. Three positive mutants were obtained (mut-Gln95Asp, mut-Ile144Lys and mut-Phe156Gln). These mutants exhibited 1.94-, 3.03- and 1...
April 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28425161/atorvastatin-treatment-modulates-p16-promoter-methylation-to-regulate-p16-expression
#5
Boqian Zhu, Yaoyao Gong, Gaoliang Yan, Dong Wang, Qingjie Wang, Yong Qiao, Jiantong Hou, Bo Liu, Chengchun Tang
Intimal hyperplasia, the key event of artery restenosis, was a result of cell proliferation and cell migration. Atorvastatin experts an inhibitory effect on cell proliferation and migration but its mechanism remains largely unknown. p16, as a well-known tumor suppressor, was also reported to suppress cell growth and migration, but with vague mechanism. In this study, we demonstrated atorvastatin represses cell proliferation and migration in vascular smooth muscle cells (VSMCs), which process is mediated by p16...
April 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28423147/adherence-to-high-intensity-statins-following-a-myocardial-infarction-hospitalization-among-medicare-beneficiaries
#6
Lisandro D Colantonio, Lei Huang, Keri L Monda, Vera Bittner, Maria-Corina Serban, Benjamin Taylor, Todd M Brown, Stephen P Glasser, Paul Muntner, Robert S Rosenson
Importance: High-intensity statins are recommended following myocardial infarction. However, patients may not continue taking this medication with high adherence. Objective: To estimate the proportion of patients filling high-intensity statin prescriptions following myocardial infarction who continue taking this medication with high adherence and to analyze factors associated with continuing a high-intensity statin with high adherence after myocardial infarction...
April 19, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28422300/platelet-reactivity-in-response-to-loading-dose-of-atorvastatin-or-rosuvastatin-in-patients-with-stable-coronary-disease-before-percutaneous-coronary-intervention-the-statiplat-randomized-study
#7
Cosmo Godino, Anna Giulia Pavon, Antonio Mangieri, Anna Salerno, Michela Cera, Alberto Monello, Alaide Chieffo, Valeria Magni, Alberto Cappelletti, Alberto Margonato, Antonio Colombo
BACKGROUND: The acute effects of statin loading dose (LD) on platelet reactivity in patients with chronic stable angina (CSA) are not completely clear. HYPOTHESIS: We hypothesized that LDs of atorvastatin and rosuvastatin have different pharmacodynamic acute effects on platelet aggregability in CSA patients with baseline normal platelet reactivity while on dual antiplatelet therapy (DAPT). METHODS: From September 2011 to February 2014, all consecutive CSA patients on chronic DAPT (aspirin and clopidogrel) were evaluated before elective percutaneous coronary intervention (PCI)...
April 19, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28417439/clinical-pharmacokinetics-of-sacubitril-valsartan-lcz696-a-novel-angiotensin-receptor-neprilysin-inhibitor
#8
REVIEW
Surya Ayalasomayajula, Thomas Langenickel, Parasar Pal, Sreedevi Boggarapu, Gangadhar Sunkara
Sacubitril/valsartan (LCZ696) is indicated for the treatment of heart failure with reduced ejection fraction. Absorption of sacubitril/valsartan and conversion of sacubitril (prodrug) to sacubitrilat (neprilysin inhibitor) was rapid with maximum plasma concentrations of sacubitril, sacubitrilat, and valsartan (angiotensin receptor blocker) reaching within 0.5, 1.5-2.0, and 2.0-3.0 h, respectively. With a two-fold increase in dose, an increase in the area under the plasma concentration-time curve was proportional for sacubitril, ~1...
April 17, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28414942/coenzyme-q10-protects-against-statin-induced-myotoxicity-in-zebrafish-larvae-danio-rerio
#9
Rand Pasha, Thomas W Moon
3-Hydroxy-3-methylglutaryl-CoA reductase (HMGCR) is the rate-limiting enzyme of the mevalonic acid pathway and is required for cholesterol biosynthesis and the synthesis of Coenzyme Q10 (CoQ10). Statins inhibit HMGCR, thus inhibiting the downstream products of this pathway including the biosynthesis of decaprenyl-pyrophosphate that is critical for the synthesis of Coenzyme Q10 (CoQ10). We show that zebrafish (Danio rerio) larvae treated in tank water with Atorvastatin (ATV; Lipitor) exhibited movement alterations and reduced whole body tissue metabolism...
April 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28414670/diulafoy-s-lesion-an-uncanny-etiology-of-gastrointestinal-bleed
#10
V Gasia, O Lamendola
INTRODUCTION: Dieulafoy's lesion is a relatively rare, but potentially life-threatening, condition. It accounts for 1-2 percent of acute gastrointestinal (GI); bleeding. CASE: A 99-year-old woman was initially admitted due to left lower extremity cellulitis related to chronic venous stasis ulcer and was receiving broad-spectrum IV antibiotics. Upon admission to the medical floor, she had an episode of hematemesis and multiple bowel movements with black-tarry stools...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413591/comparative-evaluation-of-efficacy-of-subgingivally-delivered-1-2-atorvastatin-and-1-2-simvastatin-in-the-treatment-of-intrabony-defects-in-chronic-periodontitis-a-randomized-controlled-trial
#11
Santosh S Martande, Minal Kumari, A R Pradeep, Sonender Pal Singh, Deepak Kumar Suke
Background. Statins are the recently evolved agents that aid in periodontal regeneration and ultimately in attaining periodontal health. Atorvastatin (ATV) and Simvastatin (SMV) are specific competitive inhibitors of 3-hydroxy-2-methyl-glutaryl coenzyme A reductase. The current study was conducted to compare the effectiveness of 1.2% ATV and 1.2% SMV, in addition to scaling and root planing (SRP), in the treatment of intrabony defects in subjects with chronic periodontitis. Methods. Ninety-six individuals were categorized into three treatment groups: SRP plus 1...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28412650/comparative-effects-of-cholesteryl-ester-transfer-protein-inhibition-statin-or-ezetimibe-on-lipid-factors-the-accentuate-trial
#12
Stephen J Nicholls, Kausik K Ray, Christie M Ballantyne, Lauren A Beacham, Debra L Miller, Giacomo Ruotolo, Steven E Nissen, Jeffrey S Riesmeyer
BACKGROUND AND AIMS: The optimal approaches to management of patients treated with moderate statin doses on lipid parameters are unknown. The ACCENTUATE study aimed to compare the effects of adding the cholesteryl ester transfer protein inhibitor (CETP) evacetrapib, ezetimibe or increasing statin dose in atorvastatin-treated high-vascular risk patients on lipid parameters. METHODS: 366 patients with atherosclerotic cardiovascular disease (ASCVD) and/or diabetes were treated with atorvastatin 40 mg/day for 28 days prior to randomization to atorvastatin 40 mg plus evacetrapib 130 mg, atorvastatin 80 mg, atorvastatin 40 mg plus ezetimibe 10 mg or atorvastatin 40 mg plus placebo, daily for 90 days at 64 centers in the United States...
April 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28412518/recipient-immune-modulation-with-atorvastatin-for-acute-graft-versus-host-disease-prophylaxis-following-allogeneic-transplantation
#13
Abraham S Kanate, Parameswaran N Hari, Marcelo C Pasquini, Alexis Visotcky, Kwang W Ahn, Jennifer Boyd, Guru Subramanian Guru Murthy, J Douglas Rizzo, Wael Saber, William Drobyski, Laura Michaelis, Ehab Atallah, Karen S Carlson, Anita D'Souza, Timothy S Fenske, Aaron Cumpston, Pamela Bunner, Michael Craig, Mary M Horowitz, Mehdi Hamadani
Atorvastatin administration to both the donors and recipients of matched related donor (MRD) allogeneic hematopoietic cell transplantation (allo-HCT) as acute graft-versus-host disease (GVHD) prophylaxis has been shown to be safe and effective. However, its efficacy as acute GVHD prophylaxis when given only to allo-HCT recipients is unknown. We conducted a phase II study to evaluate the safety and efficacy of atorvastatin-based acute GVHD prophylaxis given only to the recipients of MRD (n=30) or matched unrelated donor (MUD; n=39) allo-HCT, enrolled in two separate cohorts...
April 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28412198/potential-role-of-lycopene-in-targeting-proprotein-convertase-subtilisin-kexin-type-9-to-combat-hypercholesterolemia
#14
Sahir Sultan Alvi, Irfan A Ansari, Imran Khan, Johar Iqbal, M Salman Khan
Proprotein convertase subtilisin/kexin type 9 (PCSK-9) is a serine protease of the proprotien convertase (PC) family that has profound effects on plasma low density lipoprotein cholesterol (LDL-C) levels, the major risk factor for coronary heart disease (CHD), through its ability to mediate LDL receptor (LDL-R) protein degradation and reduced recycling to the surface of hepatocytes. Thus, the current study was premeditated not only to evaluate the role of lycopene in targeting the inhibition of PCSK-9 via modulation of genes involved in cholesterol homeostasis in HFD rats but also to examine a correlation between HFD induced inflammatory cascades and subsequent regulation of PCSK-9 expression...
April 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28409410/synergistic-cardioprotective-effects-of-combined-chromium-picolinate-and-atorvastatin-treatment-in-triton-x-100-induced-hyperlipidemia-in-rats-impact-on-some-biochemical-markers
#15
Noha M Shafik, Amal Baalash, Abla M Ebeid
Hyperlipidemia is one of the major risk factors for atherosclerosis and ischemic heart disease. Chromium (Cr) mineral is playing a crucial role in glucose and lipid homeostasis. The aim of this study was to evaluate the protective effects of combined chromium picolinate (CrPic) and atorvastatin treatment against hyperlipidemia-induced cardiac injury. Seventy-five male albino rats were divided into five groups (15 rats each). Hyperlipidemia was induced by intraperitoneal injection of a single dose of Triton X-100 (300 mg/kg body weight (b...
April 13, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28407684/atorvastatin-inhibits-the-immediate-early-response-gene-egr1-and-improves-the-functional-profile-of-cd4-t-lymphocytes-in-acute-coronary-syndromes
#16
Anna Severino, Chiara Zara, Mara Campioni, Davide Flego, Giulia Angelini, Daniela Pedicino, Ada Francesca Giglio, Francesco Trotta, Simona Giubilato, Vincenzo Pazzano, Claudia Lucci, Antonio Iaconelli, Aureliano Ruggio, Luigi Marzio Biasucci, Filippo Crea, Giovanna Liuzzo
Background- Adaptive immune-response is associated with a worse outcome in acute coronary syndromes. Statins have anti-inflammatory activity beyond lowering lipid levels. We investigated the effects of ex-vivo and in-vivo atorvastatin treatment in acute coronary syndromes on CD4+T-cells, and the underlying molecular mechanisms.Approach and results- Blood samples were collected from 50 statin-naïve acute coronary syndrome patients. We assessed CD4+T-cell activation by flow-cytometry, the expression of 84 T-helper transcription-factors and 84 T-cell related genes by RT-qPCR, and protein expression by Western-blot, before and after 24-hours incubation with increasing doses of atorvastatin: 3-10-26 μg/ml (corresponding to blood levels achieved with doses of 10-40-80 mg, respectively)...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401798/most-frequently-reported-prescription-medications-and-supplements-in-couples-planning-pregnancy-the-life-study
#17
Kristin Palmsten, Katrina F Flores, Christina D Chambers, Lauren A Weiss, Rajeshwari Sundaram, Germaine M Buck Louis
OBJECTIVE: To identify frequently reported prescription medications and supplements among couples planning pregnancy because there is a lack of descriptive information on these agents in women and men who are trying to conceive. METHODS: Five hundred one couples enrolled in the Longitudinal Study of Infertility and the Environment, which took place between 2005 and 2009. Participants reported prescription medications as well as prescription and over-the-counter supplements used through interviews at study enrollment and through daily dairies during the 12-month follow-up...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28400935/statin-induced-regression-of-cardiomyopathy-trial-a-randomized-placebo-controlled-double-blind-trial
#18
Ahmad Hersi, J Peter Giannoccaro, Andrew Howarth, Derek Exner, Sarah Weeks, Ingo Eitel, R Cameron Herman, Henry Duff, Debbie Ritchie, Maureen Mcrae, Robert Sheldon
BACKGROUND: Hypertrophic cardiomyopathy (HCM), characterized by a thickened, fibrotic myocardium, remains the most common cause of sudden cardiac death in young adults. Based on animal and clinical data, we hypothesized that atorvastatin would induce left ventricular (LV) mass regression. METHODS: Statin Induced Regression of Cardiomyopathy Trial (SIRCAT) was a randomized, placebo-controlled study. The primary endpoint was change in LV mass measured by cardiac magnetic resonance imaging 12 months after treatment with once-daily atorvastatin 80 mg or placebo...
October 2016: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28399849/atorvastatin-does-not-protect-against-ischemia-reperfusion-damage-in-cholestatic-rat-livers
#19
Jimme K Wiggers, Rowan F van Golen, Joanne Verheij, Annemiek M Dekker, Thomas M van Gulik, Michal Heger
BACKGROUND: Extrahepatic cholestasis sensitizes the liver to ischemia/reperfusion (I/R) injury during surgery for perihilar cholangiocarcinoma. It is associated with pre-existent sterile inflammation, microvascular perfusion defects, and impaired energy status. Statins have been shown to protect against I/R injury in normal and steatotic mouse livers. Therefore, the hepatoprotective properties of atorvastatin were evaluated in a rat model of cholestatic I/R injury. METHODS: Male Wistar rats were subjected to 70% hepatic ischemia (during 30 min) at 7 days after bile duct ligation...
April 11, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28396300/effect-of-atorvastatin-on-interleukins-and-prostaglandin-e2-in-the-kidney-of-type-1-diabetic-rats
#20
Anwar D Maraqa
The aim of the study was to evaluate a possible effect of atorvastatin on renal interleukins (ILs) and prostaglandin E2 (PGE2) in type 1 diabetic rats. Thirty-two male rats from a local Wister-derived strain were included in this prospective study and were classified into four groups. Each group consisted of eight animals: Group 1, non-diabetic negative controls; Group 2, diabetic positive controls; Group 3, non-diabetic rats receiving atorvastatin for 4 weeks; and Group 4, diabetic rats receiving atorvastatin for 4 weeks...
November 1, 2016: European Cytokine Network
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