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https://www.readbyqxmd.com/read/28443695/safety-pharmacology-of-acute-mdma-administration-in-healthy-subjects
#1
Patrick Vizeli, Matthias E Liechti
3,4-Methylenedioxymethamphetamine (MDMA; ecstasy) is being investigated in MDMA-assisted psychotherapy. The present study characterized the safety pharmacology of single-dose administrations of MDMA (75 or 125 mg) using data from nine double-blind, placebo-controlled, crossover studies performed in the same laboratory in a total of 166 healthy subjects. The duration of the subjective effects was 4.2 ± 1.3 h (range: 1.4-8.2 h). The 125 mg dose of MDMA produced greater 'good drug effect' ratings than 75 mg. MDMA produced moderate and transient 'bad drug effect' ratings, which were greater in women than in men...
February 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28438138/accuracy-of-serum-procalcitonin-for-the-diagnosis-of-sepsis-in-neonates-and-children-with-systemic-inflammatory-syndrome-a-meta-analysis
#2
Giuseppe Pontrelli, Franco De Crescenzo, Roberto Buzzetti, Alessandro Jenkner, Sara Balduzzi, Francesca Calò Carducci, Donato Amodio, Maia De Luca, Sara Chiurchiù, Elin Haf Davies, Giorgia Copponi, Alessandra Simonetti, Elena Ferretti, Valeria Di Franco, Virginia Rasi, Martina Della Corte, Luca Gramatica, Marco Ciabattini, Susanna Livadiotti, Paolo Rossi
BACKGROUND: A number of biomarkers have been studied for the diagnosis of sepsis in paediatrics, but no gold standard has been identified. Procalcitonin (PCT) was demonstrated to be an accurate biomarker for the diagnosis of sepsis in adults and showed to be promising in paediatrics. Our study reviewed the diagnostic accuracy of PCT as an early biomarker of sepsis in neonates and children with suspected sepsis. METHODS: A comprehensive literature search was carried out in Medline/Pubmed, Embase, ISI Web of Science, CINAHL and Cochrane Library, for studies assessing PCT accuracy in the diagnosis of sepsis in children and neonates with suspected sepsis...
April 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28436658/chemical-composition-and-acetylcholinesterase-inhibitory-activity-of-essential-oils-from-piper-species
#3
Cai-Peng Xiang, Jia-Xin Han, Xing-Cong Li, Yun-Hui Li, Yi Zhang, Lin Chen, Yan Qu, Chao-Yun Hao, Hai-Zhou Li, Chong-Ren Yang, San-Jun Zhao, Min Xu
The essential oils (EOs) derived from aromatic plants such as Piper species are considered to play a role in alleviating neuronal ailments that are associated with inhibition of acetylcholinesterase (AChE). The chemical compositions of 23 EOs prepared from 16 Piper spp. were analyzed by both gas chromatography with aflame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). A total of 76 compounds were identified in the EOs from the leaves and stems of 19 samples, while 30 compounds were detected in the EOs from the fruits of four samples...
April 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28420101/the-effect-of-citrus-essential-oils-and-their-constituents-on-growth-of-xanthomonas-citri-subsp-citri
#4
Hossein Mirzaei-Najafgholi, Saeed Tarighi, Morteza Golmohammadi, Parissa Taheri
Citrus bacterial canker (CBC) caused by Xanthomonas citri subsp. citri (Xcc), is the most devastating of the citrus diseases worldwide. During our study, we found that Essential oils (EOs) of some citrus cultivars are effective on Xcc. Therefore, it prompted us to determine the plant metabolites responsible for the antibacterial properties. We obtained EOs from some locally cultivated citrus by using a Clevenger apparatus and their major constituents were identified by gas chromatography/mass spectrometry (GC-MS)...
April 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28417912/electrospun-fiber-pads-of-cellulose-acetate-and-essential-oils-with-antimicrobial-activity
#5
Ioannis L Liakos, Alina Maria Holban, Riccardo Carzino, Simone Lauciello, Alexandru Mihai Grumezescu
The method of electrospinning was used to create nanofibers made of cellulose acetate (CA) and essential oils (EOs). CA polymer at 15% w/v was dissolved in acetone and then 1% or 5% v/v of EOs was added to the polymer solution. The utilized essential oils were rosemary and oregano oils. Then, the CA/EOs in acetone solution were electrospun, creating micro/nanofibers, approximately 700-1500 nm in diameter. Raman spectroscopy was used to detect the attachment of the EOs in the CA electrospun fibers (ESFs). Scanning electron microscopy was used to study the morphology, topography and dimensions of the ESFs...
April 12, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28416272/biocidal-effects-of-piper-hispidinervum-piperaceae-essential-oil-and-synergism-among-its-main-components
#6
M F Andrés, G E Rossa, E Cassel, R M F Vargas, O Santana, C E Díaz, A González-Coloma
In this study we evaluated the effect of a pressure gradient (1-2 atm) in the extraction and composition of the essential oil (EO) of Piper hispidinervum by steam distillation. We also evaluated the insect antifeedant effects (Spodoptera littoralis, Leptinotarsa decemlineata, Myzus persicae and Rhopalosiphum padi) and nematicidal activity (Meloidogyne javanica) of the oils, their major components and their synergistic interactions. Safrole was the major component (78-81%) followed by terpinolene (5-9%). The EOs tested were effective insect antifeedants...
April 14, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28415304/measurement-of-the-equation-of-state-of-solid-density-copper-heated-with-laser-accelerated-protons
#7
S Feldman, G Dyer, D Kuk, T Ditmire
We present equation of state (EOS) measurements of solid-density copper heated to 5-10 eV. A copper sample was heated isochorically by hydrogen ions accelerated from an adjacent foil by a high intensity pulsed laser, and probed optically. The measured temperature and expansion are compared against simulations using the most up-to-date wide range EOS tables available.
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28413925/triple-bead-mixed-amphetamine-salts-shp465-in-adults-with-adhd-results-of-a-phase-3-double-blind-randomized-forced-dose-trial
#8
Glen Frick, Brian Yan, Lenard A Adler
OBJECTIVE: Evaluate the efficacy and tolerability of triple-bead mixed amphetamine salts (MAS) in ADHD. METHOD: Adults with ADHD Rating Scale IV (ADHD-RS-IV) total scores ≥32 were randomized to 6 weeks of triple-bead MAS (25, 50, or 75 mg) or placebo. The primary endpoint was ADHD-RS-IV total score change from baseline at end of study (EOS). RESULTS: Least squares mean (95% confidence interval [CI]) treatment differences for ADHD-RS-IV total score changes from baseline to EOS significantly favored triple-bead MAS (all doses combined: -10...
April 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28412854/oxidative-stress-in-preeclamptic-mother-newborn-dyads-and-its-correlation-with-early-neonatal-outcome-a-case-control-study
#9
Shruti Bharadwaj, B Vishnu Bhat, Vickneswaran V, B Adhisivam, Zachariah Bobby, Habeebullah S
BACKGROUND: Preeclamptic mothers are likely to have increased oxidative stress during pregnancy which can adversely affect the outcome in their neonates Objectives: To measure the oxidative stress in preeclamptic mother- newborn dyads and correlate it with the immediate neonatal outcome. METHODS: This case control study conducted in a tertiary care teaching hospital, south India included 71 preeclamptic mother- newborn dyads (cases) and 72 normal mother- newborn dyads (controls)...
April 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28406566/how-did-the-pelvis-and-vertebral-column-become-a-functional-unit-during-the-transition-from-occasional-to-permanent-bipedalism
#10
Christine Tardieu, Kazuhiro Hasegawa, Martin Haeusler
The functional linkage between pelvis and spine remained long hidden to science. Here, we recount the history of research that led in 1992 to the discovery of the "angle of sacral incidence" by the team of G. Duval-Beaupère. This angle, formed between a ray from the hip joint center to the superior sacral surface and the perpendicular to the sacral surface, was later called pelvic incidence. Specific to each individual, pelvic incidence is tightly correlated with the degree of lumbar lordosis. It is each individual's "signature" for an efficient sagittal balance since it represents the sum of two positional parameters, sacral slope and pelvic tilt...
May 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28406525/an-improved-radiosynthesis-of-o-2-18-f-fluoroethyl-o-p-nitrophenyl-methylphosphonate-a-first-in-class-cholinesterase-pet-tracer
#11
Kiel D Neumann, Charles M Thompson, Joseph E Blecha, John M Gerdes, Henry F VanBrocklin
O-(2-Fluoroethyl)-O-(p-nitrophenyl) methylphosphonate 1 is an organophosphate (OP) cholinesterase inhibitor, which creates a phosphonyl-serine covalent adduct at the enzyme active site blocking cholinesterase activity in vivo. The corresponding radiolabeled O-(2-[(18) F]fluoroethyl)-O-(p-nitrophenyl) methylphosphonate, [(18) F]1, has been previously prepared and found to be an excellent positron emission tomography (PET) imaging tracer for assessment of cholinesterases in live brain, peripheral tissues and blood...
April 12, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28403049/clinical-and-microbiologic-characteristics-of-early-onset-sepsis-among-very-low-birth-weight-infants-opportunities-for-antibiotic-stewardship
#12
Sagori Mukhopadhyay, Karen M Puopolo
BACKGROUND: Most very low birth weight (VLBW, birth weight <1500 g) infants receive empiric antibiotics for risk of early-onset sepsis (EOS). The objective of this study was to determine the characteristics of VLBW infants with culture-confirmed EOS at a single center during 25 years and to identify opportunities for antibiotic stewardship. METHODS: Retrospective cohort study includes VLBW infants admitted from 1990 to 2015. EOS was defined as isolation of a pathogen in blood or cerebrospinal fluid culture obtained at <72 hours of age...
May 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28399694/development-of-essential-oils-as-skin-permeation-enhancers-penetration-enhancement-effect-and-mechanism-of-action
#13
Qiudong Jiang, Yeming Wu, Hui Zhang, Pei Liu, Junhong Yao, Peijun Yao, Jun Chen, Jinao Duan
CONTEXT: Essential oils (EOs) have shown the potential to reversibly overcome the stratum corneum (SC) barrier to enhance the skin permeation of drugs. OBJECTIVE: The effectiveness of turpentine, Angelica, chuanxiong, Cyperus, cinnamon, and clove oils were investigated for the capacity and mechanism to promote skin penetration of ibuprofen. MATERIALS AND METHODS: Skin permeation studies of ibuprofen across rat abdominal skin with the presence of 3% w/v EOs were carried out; samples were withdrawn from the receptor compartment at 8, 10, 22, 24, 26, 28, 32, 36, and 48 h and analyzed for ibuprofen content by the HPLC method...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28398606/variation-in-essential-oil-and-bioactive-compounds-of-curcuma-kwangsiensis-collected-from-natural-habitats
#14
Lanyue Zhang, Zhiwen Yang, Zebin Huang, Mincong Zhao, Penghui Li, Wei Zhou, Kun Zhang, Xi Zheng, Li Lin, Jian Tang, Yanxiong Fang, Zhiyun Du
The chemical compositions of essential oils (EOs) extracted from Curcuma kwangsiensis rhizomes collected from six natural habitats in China were evaluated using gas chromatography-mass spectrometry (GC-MS). Fifty-seven components were identified from the six Eos; their main constituents were 8,9-dehydro-9-formyl-cycloisolongifolene (2.37-42.59%), germacrone (6.53-22.20%), and L-camphor (0.19-6.12%). The six EOs exhibited different DPPH radical-scavenging activities (IC50 , 2.24-31.03 μg/mL), with the activity of most of the EOs being much higher than that of Trolox C (IC50 , 10...
April 11, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28388322/insecticidal-and-repellent-activity-of-several-plant-derived-essential-oils-against-aedes-aegypti
#15
Ruth M Castillo, Elena Stashenko, Jonny E Duque
We examined the pupicidal, adulticidal, repellent, and oviposition-deterrent activities of essential oils (EOs) from Lippia alba, L. origanoides, Eucalyptus citriodora, Cymbopogon citratus, Cymbopogon flexuosus, Citrus sinensis , Cananga odorata , Swinglea glutinosa, and Tagetes lucida plants against Aedes aegypti under laboratory conditions. Pupicidal and adulticidal activities were assessed at exploratory concentrations of 250, 310, and 390 parts per million (ppm); and 30, 300, and 1,000 ppm, respectively...
March 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28386183/establishment-of-preliminary-regulatory-network-of-trpv1-and-related-cytokines
#16
Jianhua Zhang, Zheng Zhou, Ning Zhang, Wenwen Jin, Yafeng Ren, Chuanliang Chen
Our purpose was to investigate the regulatory mechanism of TRPV1 and related cytokines on children bronchial asthma. TRPV1 mRNA level and two SNP genotypes of children in case group and control group were detected by real-time quantitative PCR. Western blot and ELISA were used to measure the levels of cytokines like IgE, IL-2, etc. Their correlations were analyzed by Logistic regression and KEGG analysis. Moreover, tertiary structure of protein and miRNA binding sites were also predicted by online tools. Case group was obviously different from control group in TRPV1 mRNA level, the two SNP genotypes distribution and the related cytokines levels...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28385252/characterization-of-basil-seed-gum-based-edible-films-incorporated-with-zataria-multiflora-essential-oil-nanoemulsion
#17
Hadi Hashemi Gahruie, Esmaeil Ziaee, Mohammad Hadi Eskandari, Seyed Mohammad Hashem Hosseini
Direct introduction of essential oils (EOs) into biopolymer-based packaging materials faces various challenges such as insolubility and loss of activity. The aim of this study was increasing the bioactivity of Zataria multiflora essential oil (ZMEO) through first making a nanoemulsion and then immobilizing within basil seed gum (BSG)-based film network. ZMEO (nano)emulsions were prepared using high intensity ultrasound approach at 150W and various sonication times (0, 2.5, 5 and 10min). An increase in the antibacterial activity of ZMEO nanoemulsion was observed by decreasing the nanoemulsion droplet size...
June 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28385055/phytochemical-composition-anti-inflammatory-activity-and-cytotoxic-effects-of-essential-oils-from-three-pinus-spp
#18
Mimoza Basholli-Salihu, Roswitha Schuster, Avni Hajdari, Dafina Mulla, Helmut Viernstein, Behxhet Mustafa, Monika Mueller
CONTEXT: Inflammation and cell differentiation lead to a number of severe diseases. In the recent years, various studies focused on the anti-inflammatory and anticancer activity of essential oils (EOs) of numerous plants, including different Pinus species. OBJECTIVE: The phytochemical composition, anti-inflammatory and cytotoxic activity of EOs from needles and twigs of Pinus heldreichii Christ (Pinaceae) and P. peuce Griseb., and from needles, twigs and cones of P...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28380079/asymmetry-in-dentition-and-shape-of-pharyngeal-arches-in-the-clonal-fish-chrosomus-eos-neogaeus-phenotypic-plasticity-and-developmental-instability
#19
Christelle Leung, Kevin Karl Duclos, Thomas Grünbaum, Richard Cloutier, Bernard Angers
The effect of the environment may result in different developmental outcomes. Extrinsic signals can modify developmental pathways and result in alternative phenotypes (phenotypic plasticity). The environment can also be interpreted as a stressor and increase developmental instability (developmental noise). Directional and fluctuating asymmetry provide a conceptual background to discriminate between these results. This study aims at assessing whether variation in dentition and shape of pharyngeal arches of the clonal fish Chrosomus eos-neogaeus results from developmental instability or environmentally induced changes...
2017: PloS One
https://www.readbyqxmd.com/read/28377234/potential-biomarkers-for-effective-screening-of-neonatal-sepsis-infections-an-overview
#20
REVIEW
Nidhi Chauhan, Sukirti Tiwari, Utkarsh Jain
Neonatal sepsis, a clinical disorder developed by bacterial blood stream infections (BSI) in neonates, is one of the serious global public health problems that must be addressed. More than one million of the estimated global newborn deaths per year are occurred due to severe infections. The genesis of the infection is divided into early-onset sepsis (EOS) and late-onset sepsis (LOS) of the disease. The clinical complications of neonatal sepsis may be associated with bronchopulmonary dysplasia, ductus arteriosus and necrotizing enterocolitis...
April 1, 2017: Microbial Pathogenesis
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