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https://www.readbyqxmd.com/read/28549755/cholesterol-and-stroke-roll-of-pcsk9-inhibitors
#1
L Castilla-Guerra, M C Fernández-Moreno, M A Rico-Corral
INTRODUCTION: Proprotein convertase subtilisin/kexin type 9 (PCSK9) plays an important role in the modulation of plasma levels of low density lipoprotein cholesterol (LDLC). PCSK9 binds to the LDL receptor (LDLR), disrupts its endocytic recycling itinerary and directs it to lysosomal degradation. Activation of PCSK9 can thus decrease the expression of LDLR in the liver and inhibit LDL uptake, which leads to hypercholesterolaemia. DEVELOPMENT: Currently we now know that different polymorphisms of PCSK9 are associated with the occurrence of ischaemic stroke...
May 23, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28549679/one-should-avoid-retro-orbital-pharmacokinetic-sample-collections-for-intranasal-dosing-in-rats-illustration-of-spurious-pharmacokinetics-generated-for-anti-migraine-drugs-zolmitriptan-and-eletriptan
#2
Harilal Patel, Prakash Patel, Nirav Modi, Shaival Shah, Ashok Ghoghari, Bhavesh Variya, Ritu Laddha, Dipesh Baradia, Nitin Dobaria, Pavak Mehta, Nuggehally R Srinivas
Because of the avoidance of first pass metabolic effects due to direct and rapid absorption with improved permeability, intranasal route represents a good alternative for extravascular drug administration. The aim of the study was to investigate the intranasal pharmacokinetics of two anti-migraine drugs (zolmitriptan and eletriptan), using retro-orbital sinus and jugular vein sites sampling. In a parallel study design, healthy male Sprague-Dawley (SD) rats aged between 8 and 12weeks were divided into groups (n=4 or 5/group)...
May 23, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28546920/ocular-penetration-of-topically-applied-1-tigecycline-in-a-rabbit-model
#3
Yasar Sakarya, Rabia Sakarya, Muammer Ozcimen, Sertan Goktas, Serap Ozcimen, Ismail Alpfidan, Ismail Senol Ivacık, Erkan Erdogan, Servet Cetinkaya, Abdulkadir Bukus
AIM: To evaluate ocular penetration of topically applied 1% tigecycline. METHODS: Forty-two New Zealand White rabbits were divided into 3 groups. A 50 µL drop of 1% tigecycline was administered in group 1. In groups 2 and 3, the drop was administered every 15min for 60min (keratitis protocol). Aqueous humor samples in groups 1 and 2 were collected under general anesthesia at 15, 30, 45, 60, 120, and 180min after the last drop. All animals in group 3 were euthanatized...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28545583/private-sector-role-readiness-and-performance-for-malaria-case-management-in-uganda-2015
#4
Henry Kaula, Peter Buyungo, Jimmy Opigo
BACKGROUND: Several interventions have been put in place to promote access to quality malaria case management services in Uganda's private sector, where most people seek treatment. This paper describes evidence using a mixed-method approach to examine the role, readiness and performance of private providers at a national level in Uganda. These data will be useful to inform strategies and policies for improving malaria case management in the private sector. METHODS: The ACTwatch national anti-malarial outlet survey was conducted concurrently with a fever case management study...
May 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28545082/clinical-endoscopic-management-and-outcome-of-post-endoscopic-sphincterotomy-bleeding
#5
Wei-Chen Lin, Hsaing-Hung Lin, Chien-Yuan Hung, Shou-Chuan Shih, Cheng-Hsin Chu
Post-endoscopic sphincterotomy bleeding is a common complication of biliary sphincterotomy, and the incidence varies from 1% to 48%. It can be challenging to localize the bleeder or to administer various interventions through a side-viewing endoscope. This study aimed to evaluate the risk factors of post-endoscopic sphincterotomy bleeding and the outcome of endoscopic intervention therapies. We retrospectively reviewed the records of 513 patients who underwent biliary sphincterotomy in Mackay Memorial Hospital between 2011 and 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28545014/paracetamol-causes-endocrine-disruption-and-hepatotoxicity-in-male-fish-rhamdia-quelen-after-subchronic-exposure
#6
Izonete Cristina Guiloski, João Luiz Coelho Ribas, Laercio Dante Stein Piancini, Ana Carolina Dagostim, Silvana Maris Cirio, Luis Fernando Fávaro, Suelen Lúcio Boschen, Marta Margarete Cestari, Cláudio da Cunha, Helena Cristina Silva de Assis
Paracetamol is one of the most widely sold non-prescription drugs. This study aimed to evaluate the effects of the paracetamol on reproductive, biochemical, genetic, histopathological and hematogical biomarkers by waterborne exposure. Male fish of Rhamdia quelen were exposed to environmental concentrations of paracetamol (0, 0.25, 2.5μg/L) in a semi-static bioassay for 21days. Hemoglobin and hematocrit were reduced upon exposure to 0.25μg/L of paracetamol. Leukocytes and thrombocytes increased after paracetamol exposure...
May 8, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28544560/fatal-intoxication-by-5f-adb-and-diphenidine-detection-quantification-and-investigation-of-their-main-metabolic-pathways-in-human-by-lc-ms-ms-and-lc-q-tofms
#7
Maiko Kusano, Kei Zaitsua, Kentaro Taki, Kazuaki Hisatsune, Jun'ichi Nakajima, Takako Moriyasu, Tomomi Asano, Yumi Hayashi, Hitoshi Tsuchihashi, Akira Ishii
Despite the implementation of the new blanket scheduling system in 2013, new psychoactive substance (NPS) abuse remains a serious social concern in Japan. We present a fatal intoxication case involving 5F-ADB (methyl 2-[1-(5-fluoropentyl)-1H-indazole-3-carboxamido]-3,3-dimethylbutanoate) and diphenidine. Postmortem blood screening by liquid chromatography/quadrupole time-of-flight mass spectrometry (LC/Q-TOFMS) in the information dependent acquisition (IDA) mode only detected diphenidine. Further urinary screening using an in-house database containing new NPS and metabolites detected not only diphenidine but also possible 5F-ADB metabolites; subsequent targeted screening by LC/tandem mass spectrometry (LC/MS/MS) allowed for the detection of very low level of unchanged 5F-ADB in postmortem heart blood...
May 21, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28543087/death-due-to-complications-of-bowel-obstruction-following-raw-poppy-seed-ingestion
#8
Leah M Schuppener, Robert F Corliss
Eating poppy seeds can cause a positive urine drug screen, but it is unknown whether ingesting large quantities can result in opiate intoxication or toxicity. A 54-year-old woman with intractable vomiting was found unresponsive at home and later pronounced dead. At autopsy, a cast-like large bowel obstruction composed of poppy seeds was identified. Postmortem blood morphine level was < 10 ng/mL. Cause of death was determined to be complications of a bowel obstruction secondary to poppy seed ingestion. Deaths related to eating poppy seeds have not been described in the literature...
May 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542711/preventing-relapse-after-haematopoietic-stem-cell-transplantation-for-acute-leukaemia-the-role-of-post-transplantation-minimal-residual-disease-mrd-monitoring-and-mrd-directed-intervention
#9
REVIEW
Xiao-Dong Mo, Meng Lv, Xiao-Jun Huang
Relapse is the main cause of treatment failure after allogeneic haematopoietic stem cell transplantation (allo-HSCT) for acute leukaemia (AL). Post-transplantation minimal residual disease (MRD) monitoring enables risk stratification and identifies AL patients at higher risk of relapse. MRD assessment primarily involves the determination of leukaemia-associated immunophenotypic patterns using multiparameter flow cytometry, and the polymerase chain reaction (PCR)-based evaluation of expression levels of leukaemia-related genes (specific reciprocal gene rearrangements and other mutation types)...
May 23, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28542470/differential-physiological-changes-following-internet-exposure-in-higher-and-lower-problematic-internet-users
#10
Phil Reed, Michela Romano, Federica Re, Alessandra Roaro, Lisa A Osborne, Caterina Viganò, Roberto Truzoli
Problematic internet use (PIU) has been suggested as in need of further research with a view to being included as a disorder in future Diagnostic and Statistical Manual (DSM) of the American Psychiatric Association, but lack of knowledge about the impact of internet cessation on physiological function remains a major gap in knowledge and a barrier to PIU classification. One hundred and forty-four participants were assessed for physiological (blood pressure and heart rate) and psychological (mood and state anxiety) function before and after an internet session...
2017: PloS One
https://www.readbyqxmd.com/read/28541926/addition-of-omega-3-fatty-acid-and-coenzyme-q10-to-statin-therapy-in-patients-with-combined-dyslipidemia
#11
Štefan Tóth, Matej Šajty, Tímea Pekárová, Adil Mughees, Peter Štefanič, Matan Katz, Katarína Spišáková, Jozef Pella, Daniel Pella
BACKGROUND: Statins represent a group of drugs that are currently indicated in the primary and secondary prevention of cardiovascular events. Their administration can be associated with side effects and the insufficient reduction of triacylglyceride (TAG) levels. This study aimed to assess the effect of the triple combination of statins with omega-3 fatty acids and coenzyme Q10 (CoQ10) on parameters associated with atherogenesis and statin side effects. MATERIALS AND METHODS: In this pilot randomized double-blind trial, 105 subjects who met the criteria of combined dislipidemia and elevated TAG levels were randomly divided into three groups...
May 23, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28540642/plasma-and-white-blood-cells-show-different-mirna-expression-profiles-in-parkinson-s-disease
#12
Christine Schwienbacher, Luisa Foco, Anne Picard, Eloina Corradi, Alice Serafin, Jörg Panzer, Stefano Zanigni, Hagen Blankenburg, Maurizio F Facheris, Giulia Giannini, Marika Falla, Pietro Cortelli, Peter P Pramstaller, Andrew A Hicks
Parkinson's disease (PD) diagnosis is based on the assessment of motor symptoms, which manifest when more than 50% of dopaminergic neurons are degenerated. To date, no validated biomarkers are available for the diagnosis of PD. The aims of the present study are to evaluate whether plasma and white blood cells (WBCs) are interchangeable biomarker sources and to identify circulating plasma-based microRNA (miRNA) biomarkers for an early detection of PD. We profiled plasma miRNA levels in 99 L-dopa-treated PD patients from two independent data collections, in ten drug-naïve PD patients, and in unaffected controls matched by sex and age...
May 24, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28539968/effect-of-kangshuanyihao-formula-on-the-inflammatory-reaction-and-sirt1-tlr4-nf-%C3%AE%C2%BAb-signaling-pathway-in-endothelial-injury
#13
Jie Han, Hua-Qin Tong, Song-Yi Cheng, Li Yang, Han-Yu Chen, Jian-Dong Chen, Xiao-Hu Chen
Endothelial injury plays an important role in atherosclerosis (AS). Kangshuanyihao formula uses therapeutic principles from Chinese medicine to supplement Qi, thereby promoting blood circulation, and remove blood stasis. The mechanism by which the formula inhibits endothelial injury was examined in a rat model of 1,25-dihydroxyvitamin D3 (VD3) intraperitoneal injection and high-fat-induced endothelial injury. Rats were randomly divided into the model, high-dose, middle-dose, low-dose, positive drug (rosuvastatin), and combination (positive drug + middle-dose) groups; 10 Sprague-Dawley rats served as the blank group...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28539708/assessment-of-mexican-arnica-heterotheca-inuloides-cass-and-rosemary-rosmarinus-officinalis-extracts-on-dopamine-and-selected-biomarkers-of-oxidative-stress-in-stomach-and-brain-of-salmonella-typhimurium-infected-rats
#14
David Calderón Guzmàn, Maribel Ortiz Herrera, Norma Osnaya Brizuela, Gerardo Barragàn Mejía, Ernestina Hernàndez García, Hugo Juàrez Olguín, Armando Valenzuela Peraza, Norma Labra Ruíz, Daniel Santamaría Del Angel
BACKGROUND: The effects of some natural products on dopamine (DA) and 5-hydroxyindole acetic acid (5-HIAA) in brain of infected models are still unclear. OBJECTIVE: The purpose of this study was to measure the effect of Mexican arnica/rosemary (MAR) water extract and oseltamivir on both biogenic amines and some oxidative biomarkers in the brain and stomach of young rats under infection condition. METHODS: Female Wistar rats (weight 80 g) in the presence of MAR or absence (no-MAR) were treated as follows: group 1, buffer solution (controls); oseltamivir (100 mg/kg), group 2; culture of Salmonella typhimurium (S...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539704/comparison-of-antidiabetic-medications-during-the-treatment-of-atherosclerosis-in-t2dm-patients
#15
Xiaojie Liu, Tao Mei, Wei Chen, Shandong Ye
Type 2 diabetes is often associated with arterial atherosclerosis in large blood vessels. We set out to elucidate whether commonly used antidiabetic drugs metformin, sitagliptin, and pioglitazone will reduce atherosclerosis in T2DM patients. We enrolled 176 individuals with type 2 diabetes, which were divided into four treatment groups according to different oral drugs: metformin alone, sitagliptin alone, pioglitazone alone, or combination of metformin and sitagliptin. We assessed changes in glycometabolism, lipid metabolism, cytokine released, and carotid artery intima-media thickness as the readout for improvement in atherosclerosis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28539261/g-protein-coupled-receptor-91-signaling-in-diabetic-retinopathy-and-hypoxic-retinal-diseases
#16
Jianyan Hu, Tingting Li, Xinhua Du, Qiang Wu, Yun-Zheng Le
G protein-coupled receptor 91 (GPR91) is a succinate-specific receptor and activation of GPR91 could initiate a complex signal transduction cascade and upregulate inflammatory and pro-angiogenic cytokines. In the retina, GPR91 is predominately expressed in ganglion cells, a major cellular entity involved in the pathogenesis of diabetic retinopathy (DR) and other hypoxic retinal diseases. During the development of DR and retinopathy of prematurity (ROP), chronic hypoxia causes an increase in the levels of local succinate...
May 21, 2017: Vision Research
https://www.readbyqxmd.com/read/28538406/dexmedetomidine-based-intravenous-anesthesia-of-a-pediatric-patient-with-glucose-6-phosphate-dehydrogenase-g6pd-deficiency-a-case-report
#17
Nanae Takahashi, Takashi Ogawa, Zen'ichiro Wajima, Akibumi Omi
RATIONALE: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common human enzyme defect, resulting in deficits in nicotinamide adenine dinucleotide phosphate production, an important intracellular antioxidant enzyme. G6PD-deficient subjects present with a susceptibility of erythrocytes to oxidative stress and hemolysis, and should avoid drugs or stressors that have oxidative actions. Dexmedetomidine is an anesthetic agent with antioxidant actions. PATIENT CONCERNS AND DIAGNOSES: A 5-year-old boy with G6PD deficiency...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538105/linezolid-induced-lactic-acidosis-the-thin-line-between-bacterial-and-mitochondrial-ribosomes
#18
Alessandro Santini, Dario Ronchi, Manuela Garbellini, Daniela Piga, Alessandro Protti
Introduction - Linezolid inhibits bacterial growth by targeting bacterial ribosomes and by interfering with bacterial protein synthesis. Lactic acidosis is a rare, but potentially lethal, side effect of linezolid. Areas covered - The pathogenesis of linezolid-induced lactic acidosis is reviewed with special emphasis on aspects relevant to the recognition, prevention and treatment of the syndrome. Expert opinion - Linezolid-induced lactic acidosis reflects the untoward interaction between the drug and mitochondrial ribosomes...
May 24, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28537688/prevalence-of-alcohol-and-other-drugs-in-injured-drivers-and-their-association-with-clinical-outcomes
#19
F Cittadini, N De Giovanni, L Caradonna, G Vetrugno, A Oliva, N Fucci, C Zuppi, V L Pascali, M Covino
OBJECTIVE: Driving under the influence of alcohol or drugs is a risk factor for motor vehicle accidents (MVAs). This issue has become an increasing concern for the governments of many European and North American countries, thereby encouraging the adoption of preventive policies. The aim of this study was to investigate the associations between major clinical outcomes and alcohol or drug abuse among drivers involved in MVAs who were referred to an Italian Emergency Department. PATIENTS AND METHODS: The study population consisted of consecutive injured drivers who were admitted to the Emergency Department following an MVA during a period of one year...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28537660/relation-between-blood-pressure-variability-and-early-renal-damage-in-hypertensive-patients
#20
L-H Yin, W-J Yan, Z-X Guo, F-Z Zhou, H-Y Zhang
OBJECTIVE: The objective of the present study was to observe the relation between blood pressure variability (BPV) and early renal damage in hypertensive patients. PATIENTS AND METHODS: A total of 118 hypertensive patients were consecutively selected. General parameters including sex, age, duration, and grade of hypertension, antihypertensive drugs taken, smoking status, blood sugar, blood lipid level, body mass index, indexes of 24-h ambulatory blood pressure monitoring and renal function including cystatin C (CysC), serum creatinine (SCr), angiotensin II (Ang II), microalbuminuria (mALb), and urine creatinine (UCr) were measured...
May 2017: European Review for Medical and Pharmacological Sciences
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