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https://www.readbyqxmd.com/read/28550817/atypical-presentation-and-outcome-of-cervicogenic-headache-in-patients-with-cervical-degenerative-disease-a-single-center-experience
#1
Shyamal C Bir, Anil Nanda, Devi Prasad Patra, Tanmoy Kumar Maiti, Cesar Liendo, Minagar Alireza, Oleg Y Chernyshev
OBJECTIVE: Cervicogenic headache affects a significant portion of the entire population. This type of headache especially with atypical presentation is often hard to diagnose and manage since its etiopathophysiology is not been yet well understood. We have investigated the prevalence of cervicogenic headache with atypical presentation and discussed the etiology of it, and the outcome of surgical intervention on this type of headache in patients with cervical degenerative disease. PATIENTS AND METHODS: Radiological and clinical data of 160 patients (from 2001 through 2016) were retrospectively reviewed...
May 13, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28550806/lettuce-facing-microcystins-rich-irrigation-water-at-different-developmental-stages-effects-on-plant-performance-and-microcystins-bioaccumulation
#2
Efi Levizou, George Statiris, Theodoti Papadimitriou, Chrysi S Laspidou, Konstantinos Ar Kormas
This study investigated the microcystins (MCs)-rich irrigation water effect on lettuce of different developmental stages, i.e. during a two months period, covering the whole period from seed germination to harvest at marketable size of the plant. We followed four lettuce plant groups receiving MCs-rich water (1.81μgl(-1) of dissolved MCs), originating from the Karla Reservoir, central Greece: 1) from seeds, 2) the cotyledon, 3) two true leaves and 4) four true leaves stages, all of which were compared to control plants that received tap water...
May 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28550795/thrombocytopenia-associated-with-tavi-the-summary-of-possible-causes
#3
REVIEW
Maciej Mitrosz, Malgorzata Chlabicz, Katarzyna Hapaniuk, Karol A Kaminski, Bozena Sobkowicz, Jaroslaw Piszcz, Slawomir Dobrzycki, Wlodzimierz J Musial, Tomasz Hirnle, Agnieszka M Tycinska
Thrombocytopenia (TP) following transcatheter aortic valve implantation (TAVI) procedure is a common phenomenon but the underlying mechanisms are neither well known nor described. Postinterventional severe TP is related to worse early and late outcome. Moreover, the statement of enhanced platelet and coagulation activation might justify even stronger antiplatelet and anticoagulation therapy following TAVI procedure. Thus, the examination of the pathomechanisms responsible for TP post TAVI seems to be crucial...
May 24, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28550793/acute-gonadotropin-releasing-hormone-agonist-treatment-enhances-extinction-memory-in-male-rats
#4
L Y Maeng, M B Taha, K K Cover, S S Glynn, M Murillo, K Lebron-Milad, M R Milad
Leuprolide acetate (LEU), also known as Lupron, is commonly used to treat prostate cancer in men. As a gonadotropin-releasing hormone (GnRH) receptor agonist, it initially stimulates the release of gonadal hormones, testosterone (T) and estradiol. This surge eventually suppresses these hormones, preventing the further growth and spread of cancer cells. Individuals receiving this treatment often report anxiety and cognitive changes, but LEU's effects on the neural mechanisms that are involved in anxiety during the trajectory of treatment are not well known...
May 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28550790/trophic-fate-of-inorganic-and-methyl-mercury-in-a-macrophyte-chironomid-food-chain
#5
Rebecca Beauvais-Flück, Frédéric Gimbert, Ophélie Méhault, Claudia Cosio
Dietary transfer of mercury (Hg) is central for its effects on higher trophic animals, nonetheless, its driving parameters and characteristics are not well understood. Here we measured Hg species transfer (uptake) from the macrophyte Elodea nuttallii -mimicking tissues incorporation in sediments after decay- to Chironomus riparius. Methyl-Hg (MMHg) was more transferable than inorganic Hg (IHg) from plant's intracellular and cell wall compartments. After 10-d-long exposure, MMHg was predominantly found in MMHg form in the cytosolic compartment (S) of chironomids, while IHg showed similar concentrations in S and insoluble debris (P) compartments...
May 17, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28550783/occurrence-distribution-and-bioaccumulation-behaviour-of-hydrophobic-organic-contaminants-in-a-large-scale-constructed-wetland-in-singapore
#6
Qian Wang, Barry C Kelly
This study involved a field-based investigation to assess the occurrence, distribution and bioaccumulation behaviour of hydrophobic organic contaminants in a large-scale constructed wetland. Samples of raw leachate, water and wetland plants, Typha angustifolia, were collected for chemical analysis. Target contaminants included polychlorinated biphenyls (PCBs), organochlorine pesticides (OCP), as well as several halogenated flame retardants (HFRs) and personal care products (triclosan and synthetic musks). In addition to PCBs and OCPs, synthetic musks, triclosan (TCS) and dechlorane plus stereoisomers (syn- and anti-DPs) were frequently detected...
May 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28550782/immunofluorescence-evaluation-of-4-hydroxynonenal-and-8-hydroxy-2-deoxyguanosine-activation-in-zebrafish-daino-rerio-larvae-brain-exposed-microinjected-to-propyl-gallate
#7
Ahmet Topal, Selim Çomakli, Mustafa Özkaraca, Alper Baran, Mine Köktürk, Veysel Parlak, Yavuz Selim Sağlam, Muhammed Atamanalp, Saltuk Buğrahan Ceyhun
Propyl gallate (PG) is a chemical compound obtained by esterification of propanol with gallic acid. Due to its antioxidative properties, it is widely used in cosmetics and pharmaceutical industries as well as to protect the oils in foods such as butter, milk-based desserts, chewing gum, mayonnaise, meat, soups, cereals, spices and seasonings from rancidity. This study has been designed to assessment 8-OHdG and 4-HNE activity, and histopathological changes in the brain tissues of zebrafish larvae, which is a lecithotrophic organism, after 96 h of PG exposure via microinjecting to yolk sac of embryo...
May 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28550753/catalase-loaded-cisplatin-prodrug-constructed-liposomes-to-overcome-tumor-hypoxia-for-enhanced-chemo-radiotherapy-of-cancer
#8
Rui Zhang, Xuejiao Song, Chao Liang, Xuan Yi, Guosheng Song, Yu Chao, Yu Yang, Kai Yang, Liangzhu Feng, Zhuang Liu
Aiming at improved therapeutic efficacies, the combination of chemotherapy and radiotherapy (chemo-radiotherapy) has been widely studied and applied in clinic. However, the hostile characteristics of tumor microenvironment such as hypoxia often limit the efficacies in both types of cancer therapies. Herein, catalase (CAT), an antioxidant enzyme, is encapsulated inside liposomes constituted by cisplatin (IV)-prodrug-conjugated phospholipid, forming CAT@Pt (IV)-liposome for enhanced chemo-radiotherapy of cancer...
May 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28550751/gender-roles-sex-and-the-expression-of-driving-anger
#9
M J M Sullman, J Paxion, A N Stephens
The present study investigated the validity of the 25-item Driving Anger Expression Inventory (DAX) as well as the role of sex and gender-roles in relation to the expression of driving anger in a sample of 378 French drivers (males=38%, M=32.9years old). Confirmatory Factor Analysis supported the four-factor structure of the 25-item DAX (Adaptive/Constructive Expression; Use of the Vehicle to Express Anger; Verbal Aggressive Expression and Personal Physical Aggressive Expression) and two of the three aggressive factors were found to have significant positive relationships with driving anger, while adaptive/constructive expression was negatively related to driving anger...
May 24, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28550750/mobile-phone-conversations-listening-to-music-and-quiet-electric-cars-are-traffic-sounds-important-for-safe-cycling
#10
A Stelling-Konczak, G P van Wee, J J F Commandeur, M Hagenzieker
Listening to music or talking on the phone while cycling as well as the growing number of quiet (electric) cars on the road can make the use of auditory cues challenging for cyclists. The present study examined to what extent and in which traffic situations traffic sounds are important for safe cycling. Furthermore, the study investigated the potential safety implications of limited auditory information caused by quiet (electric) cars and by cyclists listening to music or talking on the phone. An Internet survey among 2249 cyclists in three age groups (16-18, 30-40 and 65-70year old) was carried out to collect information on the following aspects: 1) the auditory perception of traffic sounds, including the sounds of quiet (electric) cars; 2) the possible compensatory behaviours of cyclists who listen to music or talk on their mobile phones; 3) the possible contribution of listening to music and talking on the phone to cycling crashes and incidents...
May 24, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28550749/a-novel-non-enzymatic-glucose-sensor-based-on-the-modification-of-carbon-paste-electrode-with-cuo-nanoflower-designing-the-experiments-by-response-surface-methodology-rsm
#11
Zahra Amani-Beni, Alireza Nezamzadeh-Ejhieh
A non enzymatic modified electrode was constructed based on the modification of carbon paste electrode with CuO nanoflower (CuO-CPE). The raw and modified samples were characterized by XRD, TEM, SEM-EDX and X-ray mapping techniques. The proposed CuO-CPE showed a well voltammetric peak pair in cyclic voltammetry which of peak currents were decreased in the presence of glucose. Hence, this decrease in peak current was used for voltammetric determination of glucose. To evaluate interactions between the influencing variables, experiments were designed by response surface methodology (RSM) and the results showed CuO%-pH have the most effect on square wave voltammetric response...
May 19, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28550743/impact-of-drought-stress-on-specialised-metabolism-biosynthesis-and-the-expression-of-monoterpene-synthases-in-sage-salvia-officinalis
#12
Alzahraa Radwan, Maik Kleinwächter, Dirk Selmar
In previous experiments, we demonstrated that the amount of monoterpenes in sage is increased massively by drought stress. Our current study is aimed to elucidate whether this increase is due, at least in part, to elevated activity of the monoterpene synthases responsible for the biosynthesis of essential oils in sage. Accordingly, the transcription rates of the monoterpene synthases were analyzed. Salvia officinalis plants were cultivated under moderate drought stress. The concentrations of monoterpenes as well as the expression of the monoterpene synthases were analyzed...
May 24, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28550737/activated-carbon-from-sugarcane-bagasse-ash-for-melanoidins-recovery
#13
A Kaushik, S Basu, K Singh, V S Batra, M Balakrishnan
This work investigates the value added utilization of two sugar-distillery wastes: (i) melanoidins, which are complex Maillard reaction products in molasses distillery wastewater, and (ii) unburnt carbon in sugarcane bagasse ash. Activated unburnt carbon (AUC), prepared by deashing and steam activation, had properties comparable to commercial activated carbon (CAC). Both carbons are suitable for melanoidins adsorption followed by desorption using 25% pyridine solution. For AUC, the equilibrium adsorption data is well described by Langmuir isotherm up to 35 °C while Freundlich model fits better at higher temperature...
May 24, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28550731/xanthotoxin-suppresses-lps-induced-expression-of-inos-cox-2-tnf-%C3%AE-and-il-6-via-ap-1-nf-%C3%AE%C2%BAb-and-jak-stat-inactivation-in-raw-264-7-macrophages
#14
Seung-Bin Lee, Woo Seok Lee, Ji-Sun Shin, Dae Sik Jang, Kyung Tae Lee
Although xanthotoxin has been reported to possess skin-protective and anti-oxidative properties, its anti-inflammatory capacity has not been studied to date. Therefore, we investigated this role as well as the molecular mechanisms of xanthotoxin in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. Xanthotoxin inhibited production of nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor (TNF-α), and interleukin-6 (IL-6) by the LPS-induced macrophages in a concentration-dependent manner. It also suppressed the LPS-induced inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression at the protein levels and iNOS, COX-2, TNF-α, and IL-6 at the mRNA levels...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28550721/clinical-performance-of-the-veris-hcv-assay-for-hepatitis-c-virus-rna-quantification
#15
Laure Izquierdo, Corinne Prégermain, Corinne Hottelet, Gwenaëlle Decombe, Anne-Marie Roque-Afonso
BACKGROUND: Diagnosis of hepatitis C virus (HCV) infection and treatment monitoring rely on detection/quantification of HCV RNA and real-time polymerase chain reaction (PCR) techniques are expected to equivalently quantify the different HCV genotypes. OBJECTIVE: The clinical performance of the VERIS HCV assay for HCV RNA quantification was compared to that of the Abbott RealTime HCV assay. STUDY DESIGN: Qualitative concordance and quantitative comparison were evaluated on a first panel of 286 clinical samples containing HCV genotypes 1-6...
May 18, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28550716/ex-vivo-measurement-of-scalp-follicular-infundibulum-delivery-of-zinc-pyrithione-and-climbazole-from-an-anti-dandruff-shampoo
#16
Guoqiang Chen, Chengdong Ji, Miao Miao, Kang Yang, Yajun Luo, Michael Hoptroff, Luisa Z Collins, Hans-Gerd Janssen
Efficient delivery of anti-dandruff (AD) actives into the scalp follicular infundibulum as well as onto the scalp surface is critical for the efficacy of AD shampoos. A method involving scalp cyanoacrylate (CA) biopsy sampling, a tailor made cutting device, ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) analysis, scanning electron microscopy (SEM) measurement and Raman imaging has been developed for the measurement of delivery of zinc pyrithione (ZPT) and climbazole (CBZ) from an AD shampoo into the scalp follicular infundibulum...
May 17, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28550715/iridoid-glucosides-in-the-genus-veronica-plantaginaceae-from-new-zealand
#17
Phillip Kroll-Møller, Katja D Pedersen, Chrysoula Gousiadou, Tetsuo Kokubun, Dirk Albach, Rilka Taskova, Phil J Garnock-Jones, Charlotte H Gotfredsen, Søren Rosendal Jensen
Four simple iridoid glucosides, three known esters of catalpol, seven esters of aucubin, and two phenylethanoids were isolated from Veronica hookeri (syn. Hebe ciliolata; Plantaginaceae). Of these, none of four aromatic (p-methoxybenzoyl, isovanilloyl, veratroyl, caffeoyl) 6-O-esters of aucubin and 6″-O-benzoyl mussaenosidic acid, had been reported from nature before. Similarly, three simple iridoid glucosides, two esters of 6-O-rhamnopyranosylcatapol, and two phenylethanoid glucosides, as well as 1-O-benzoyl-3-α-glucuronosylglycerol, and 1-O-β-benzoyl rutinoside were isolated from Veronica pinguifolia (syn...
May 24, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28550712/combined-immune-checkpoint-blockade-anti-pd-1-anti-ctla-4-evaluation-and-management-of-adverse-drug-reactions
#18
REVIEW
Jessica C Hassel, Lucie Heinzerling, Jens Aberle, Oliver Bähr, Thomas K Eigentler, Marc-Oliver Grimm, Victor Grünwald, Jan Leipe, Niels Reinmuth, Julia K Tietze, Jörg Trojan, Lisa Zimmer, Ralf Gutzmer
Combined immune checkpoint blockade (ICB) provides unprecedented efficacy gains in numerous cancer indications, with PD-1 inhibitor nivolumab plus CTLA-4 inhibitor ipilimumab in advanced melanoma as first-ever approved therapies for combined ICB. However, gains in efficacy must be balanced against a higher frequency and severity of adverse drug reactions (ADR). Because delays in diagnosis and management might result in symptom worsening and further complications, clinicians shall be well trained to identify ADR promptly and monitor patients adequately...
May 18, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28550707/micrornas-correlate-with-multiple-sclerosis-and-neuromyelitis-optica-spectrum-disorder-in-a-chinese-population
#19
Jianglong Chen, Jiting Zhu, Zeng Wang, Xiaoping Yao, Xuan Wu, Fang Liu, Weidong Zheng, Zhiwen Li, Aiyu Lin
BACKGROUND Recent studies identified a set of differentially expressed miRNAs in whole blood that may discriminate neuromyelitis optica spectrum disorders (NMOSD) from relapsing-remitting multiple sclerosis (RRMS). This study invalidated 9 known miRNAs in Chinese patients. MATERIAL AND METHODS The levels of miRNAs in whole blood were assayed in healthy controls (n=20) and patients with NMOSD (n=45), RRMS (n=17) by quantitative real-time polymerase chain reaction (qRT-PCR), and pairwise-compared between groups...
May 27, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28550704/integrating-engagement-and-improvement-work-in-a-pediatric-hospital
#20
Mireille Brosseau, Diane Gagnon, Kristina Rohde, Jennifer Schellinck
Although geared towards a common goal - improved patient-centred care - quality improvement strategies and patient engagement-focused approaches are often developed and conducted in silos. The lack of integration may lead, on the one hand, to the uptake of patient suggestions that do not always take into consideration implications for the delivery of quality care and, on the other hand, to inadequate understanding of patient views required to create optimal services. The Children's Hospital of Eastern Ontario (CHEO)'s action plans to address gaps in patient engagement and quality improvement, two of its priority areas, were initially carried out in isolation of each other...
2017: Healthcare Quarterly
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