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https://www.readbyqxmd.com/read/28794492/unusual-inner-salt-guaiazulene-alkaloids-and-bis-sesquiterpene-from-the-south-china-sea-gorgonian-muriceides-collaris
#1
Pinglin Li, Xiaoling Liu, Hongyan Zhu, Xuli Tang, Xuefeng Shi, Yonghong Liu, Guoqiang Li
Three new guaiazulene alkaloids muriceidines A-C (1-3) and one new bis-sesquiterpene muriceidone A (4), were isolated from the South China Sea gorgonian Muriceides collaris. Muriceidines are the first examples structurally architected by guaiazulene coupling with an inner-salt Δ (1)-pipecolic acid via a unique sp(2) methine-bridged linkage, and the bis-sesquiterpene was comprised by a guaiazulene and a indene units linked through a unprecedented carbon-carbon σ-bond between the high steric bridgehead carbon C-10 of guaiazulene moiety and C-2' of indene moiety...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28741044/efficacy-and-tolerability-of-asenapine-compared-with-olanzapine-in-borderline-personality-disorder-an-open-label-randomized-controlled-trial
#2
Paola Bozzatello, Paola Rocca, Maria Uscinska, Silvio Bellino
BACKGROUND: Asenapine is a new second-generation antipsychotic that is understudied in borderline personality disorder (BPD). Only one study investigating the use of the drug in this indication (an open-label pilot study) has been conducted to date. OBJECTIVE: The present open-label, randomized, controlled trial aimed to evaluate the efficacy and tolerability of asenapine in comparison with olanzapine, the most broadly studied antipsychotic in BPD. METHODS: A total of 51 outpatients aged between 18 and 50 years with a diagnosis of BPD based on Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria were assigned for 12 weeks to asenapine (5-10 mg/day) or olanzapine (5-10 mg/day)...
July 24, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28675953/utility-of-nociceptive-flexion-reflex-threshold-and-bispectral-index-to-predict-movement-responses-under-propofol-anaesthesia
#3
Axel Jakuscheit, Matthias J Posch, Stefanos Gkaitatzis, Lisa Neumark, Mark Hackbarth, Martin Schneider, Gregor Lichtner, Jan H Baars, Falk von Dincklage
INTRODUCTION: The nociceptive flexion reflex threshold (NFRT) is a promising tool to monitor analgesia during general anaesthesia. Clinical studies have shown that the NFRT allows to predict movement responses to painful stimuli under a combined anaesthetic regime of sedative and opioid agents. Experimental studies indicated that the NFRT is also able to predict such movement responses under an exclusively sedative regime like propofol mono-anaesthesia. Therefore, we performed this study to investigate the ability of the NFRT to predict movement responses to painful stimuli in patients during a clinical propofol mono-anaesthesia...
June 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/28655953/effect-of-nitrous-oxide-on-bispectral-index-values-at-equi-minimum-alveolar-concentrations-of-sevoflurane-and-desflurane
#4
Rajeeb Kumar Mishra, Charu Mahajan, Hemanshu Prabhakar, Indu Kapoor, Parmod Kumar Bithal
BACKGROUND AND AIMS: Bispectral index (BIS) values may be anaesthetic agent-specific, depending on their ability to suppress the electroencephalogram (EEG) signals. We carried out a prospective, randomised clinical trial to study the effect of nitrous oxide (N2O) on the BIS values at an equi-minimum alveolar concentration (MAC) of sevoflurane and desflurane. METHODS: Sixty adult patients undergoing spine surgery were randomised into two groups; Group S (sevoflurane; n = 30) and Group D (desflurane; n = 30) for the maintenance of anaesthesia in oxygen and air or oxygen and N2O mixture (FiO2-0...
June 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28653192/risky-economic-choices-and-frontal-eeg-asymmetry-in-the-context-of-reinforcer-sensitivity-theory-5
#5
M Rollwage, H Comtesse, G Stemmler
This study investigated individual risky choice behavior in a gambling task and its relation with traits proposed by the Reinforcer-Sensitivity-Theory-5 (RST-5; Corr & McNaughton in Neuroscience and Biobehavioral Reviews, 36(10), 2339-2354, 2012) as well as with frontal EEG asymmetry. As assumed by the RST-5, the results showed independent influences of approach/avoidance and gain/loss sensitivities on participants' behavior in risky choices. Individual approach/avoidance sensitivity was predicted by trait measures of the behavioral approach system (BAS) and the behavioral inhibition system (BIS), while no such correlation was present for gain/loss sensitivity...
June 26, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28640168/degree-of-postictal-suppression-depends-on-seizure-induction-time-in-magnetic-seizure-therapy-and-electroconvulsive-therapy
#6
Sarah Kayser, Bettina H Bewernick, Martin Soehle, Christina Switala, Sabrina M Gippert, Nadine Dreimueller, Thomas E Schlaepfer
OBJECTIVES: Anesthesia is required for both magnetic seizure therapy (MST) and electroconvulsive therapy (ECT), although it has anticonvulsant properties. In this case, bispectral index (BIS) monitoring, a specific electroencephalogram-derived monitoring, can be used to find the optimal seizure induction time during anesthesia to elicit adequate seizures. A measurement of seizure adequacy in electroencephalogram is the postictal suppression. The purpose of this study was to investigate the influence of seizure induction time on the degree of postictal suppression by comparing BIS versus no-BIS monitoring in MST and ECT...
June 20, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28631050/analgesia-nociception-index-ani-monitoring-in-patients-with-thoracic-paravertebral-block-a-randomized-controlled-study
#7
Nurseda Dundar, Alparslan Kus, Yavuz Gurkan, Kamil Toker, Mine Solak
The goal of the study was to evaluate the effectiveness of analgesia nociception index (ANI) monitoring during intraoperative period for patients with thoracic paravertebral block (TPVB) undergoing breast surgery under general anesthesia. This prospective randomized trial was performed after receiving ethics committee approval in 44 patients who were scheduled to undergo breast surgery under general anesthesia. TPVB was performed in the preoperative period using 20 mL of bupivacaine 0.25% at T4 level. Anesthesia maintenance was provided with sevoflurane in O2: air mixture and remifentanil infusion...
June 19, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28602816/neurobiological-correlates-of-impulsivity-in-healthy-adults-lower-prefrontal-gray-matter-volume-and-spontaneous-eye-blink-rate-but-greater-resting-state-functional-connectivity-in-basal-ganglia-thalamo-cortical-circuitry
#8
Cole Korponay, Daniela Dentico, Tammi Kral, Martina Ly, Ayla Kruis, Robin Goldman, Antoine Lutz, Richard J Davidson
Studies consistently implicate aberrance of the brain's reward-processing and decision-making networks in disorders featuring high levels of impulsivity, such as attention-deficit hyperactivity disorder, substance use disorder, and psychopathy. However, less is known about the neurobiological determinants of individual differences in impulsivity in the general population. In this study of 105 healthy adults, we examined relationships between impulsivity and three neurobiological metrics - gray matter volume, resting-state functional connectivity, and spontaneous eye-blink rate, a physiological indicator of central dopaminergic activity...
June 8, 2017: NeuroImage
https://www.readbyqxmd.com/read/28571259/comparative-evaluation-of-two-bis-gma-based-orthodontic-bonding-adhesives-a-randomized-clinical-trial
#9
Christine Samantha, Shantha Sundari, Shyamala Chandrasekhar, Gautham Sivamurty, Saravana Dinesh
INTRODUCTION: Of the various orthodontic bonding materials, orthofix is a fairly new entrant into this field. This material was exclusively introduced for orthodontic bonding purposes; however, the application of this material for orthodontic purpose has not been scientifically evaluated so far. AIM: The aim of the present study was to evaluate by an in-vivo double blinded split mouth rando mized clinical trial, the overall bond failure rates of two Bis-GMA based composite materials namely Transbond XT and Orthofix...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28556061/acetylsalicylic-acid-in-critically-ill-patients-a-cross-sectional-and-a-randomized-trial
#10
Christian Schoergenhofer, Eva-Luise Hobl, Michael Schwameis, Georg Gelbenegger, Thomas Staudinger, Gottfried Heinz, Walter S Speidl, Christian Zauner, Birgit Reiter, Irene Lang, Bernd Jilma
BACKGROUND: Despite decades of clinical use, the pharmacokinetics and the effects of acetylsalicylic acid (ASA) in critically ill patients remain ill-defined. We aimed to investigate the pharmacokinetics and the effects of different ASA formulations during critical illness. DESIGN: A cross-sectional study and a randomized, parallel-group trial were performed. Critically ill patients under chronic oral ASA treatment (100 mg enteric-coated) were screened for high 'on-treatment' platelet reactivity (HTPR) according to arachidonic acid-induced whole-blood aggregometry...
July 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28521188/bis-diphenylphosphino-amines-containing-ruthenium-cymene-complexes-as-potential-anti-mycobacterium-tuberculosis-agents
#11
Juliana P da Silva, Isabel C Silva, Fernando R Pavan, Davi F Back, Márcio P de Araujo
Several ruthenium complexes have been investigated regarding anti-Mycobacterium tuberculosis (anti-MTb) activity, with some diphosphine-containing ruthenium complexes comparable to first and second line drugs. However, to the best of our knowledge, there is no PNP-containing ruthenium complexes applied as metallodrugs. Thus, this study focused on the synthesis, characterization and anti-MTb activity of a new series of coordination compounds with general formula [RuCl(η(6)-p-cymene)(PN(R)P)]X (R=CH2Py (Py=pyridine)-[1a], CH2Ph (Ph=phenyl)-[1b], Ph-[1c] and p-tol (p-tol=p-tolyl)-[1d]; X=PF6(-) or BF4(-))...
April 9, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28423064/biochemical-evaluation-of-the-anticancer-potential-of-the-polyamine-based-nanocarrier-nano11047
#12
Tracy Murray-Stewart, Elena Ferrari, Ying Xie, Fei Yu, Laurence J Marton, David Oupicky, Robert A Casero
Synthesizing polycationic polymers directly from existing drugs overcomes the drug-loading limitations often associated with pharmacologically inert nanocarriers. We recently described nanocarriers formed from a first-generation polyamine analogue, bis(ethyl)norspermine (BENSpm), that could simultaneously target polyamine metabolism while delivering therapeutic nucleic acids. In the current study, we describe the synthesis and evaluation of self-immolative nanocarriers derived from the second-generation polyamine analogue PG-11047...
2017: PloS One
https://www.readbyqxmd.com/read/28415069/comparison-of-bioimpedance-and-underwater-weighing-body-fat-percentage-before-and-acutely-after-exercise-at-varying-intensities
#13
Brett S Nickerson, Michael R Esco, Brian M Kliszczewicz, Todd J Freeborn
Nickerson, BS, Esco, MR, Kliszczewicz, BM, and Freeborn, TJ. Comparison of bioimpedance and underwater weighing body fat percentage before and acutely after exercise at varying intensities. J Strength Cond Res 31(5): 1395-1402, 2017-The purpose of this study was to compare single-frequency bioelectrical impedance analysis (BIA) and bioimpedance spectroscopy (BIS) with underwater weighing (UWW) body fat percentage (BF%) before (PRE), immediately post (IP), and 60 minutes post (60P) an acute bout of moderate and vigorous aerobic exercise...
May 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28410397/a-bis-sulphamoylated-estradiol-derivative-induces-ros-dependent-cell-cycle-abnormalities-and-subsequent-apoptosis
#14
Michelle Helen Visagie, Iman van den Bout, Anna Margaretha Joubert
Clinical trials have revealed that the potential anticancer agent, 2-methoxyestradiol (2ME2) has limitations due to its low bioavailability. Subsequently, 2ME2 derivatives including (8R,13S,14S,17S)-2-ethyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrane-3,17-diyl bis(sulphamate) (EMBS) have shown improved efficacies in inducing apoptosis. However, no conclusive data exist to explain the mode of action exerted by these drugs. This study investigated the mode of action used by EMBS as a representative of the sulphamoylated 2ME2 derivatives...
2017: PloS One
https://www.readbyqxmd.com/read/28405500/zoledronate-can-induce-colorectal-cancer-microenvironment-expressing-btn3a1-to-stimulate-effector-%C3%AE-%C3%AE-t-cells-with-antitumor-activity
#15
Maria Raffaella Zocchi, Delfina Costa, Roberta Venè, Francesca Tosetti, Nicoletta Ferrari, Simona Minghelli, Roberto Benelli, Stefano Scabini, Emanuele Romairone, Silvia Catellani, Aldo Profumo, Alessandro Poggi
Amino-bis-phosphonates (N-BPs) such as zoledronate (Zol) have been used in anticancer clinical trials due to their ability to upregulate pyrophosphate accumulation promoting antitumor Vγ9Vδ2 T cells. The butyrophilin 3A (BTN3A, CD277) family, mainly the BTN3A1 isoform, has emerged as an important structure contributing to Vγ9Vδ2 T cells stimulation. It has been demonstrated that the B30.2 domain of BTN3A1 can bind phosphoantigens (PAg) and drive the activation of Vγ9Vδ2 T cells through conformational changes of the extracellular domains...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28392828/screening-of-wilson-s-disease-in-a-psychiatric-population-difficulties-and-pitfalls-a-preliminary-study
#16
Caroline Demily, François Parant, David Cheillan, Emmanuel Broussolle, Alice Pavec, Olivier Guillaud, Lioara Restier, Alain Lachaux, Muriel Bost
BACKGROUND: Wilson's disease (WD) is a rare autosomal-recessive, inherited disorder caused by a mutation in the copper-transporting gene ATP7B affecting the liver and nervous system. About 30% of patients with WD may initially present with psychiatric symptoms, and diagnosis can be difficult to establish. The objectives of the present preliminary study were [1] to evaluate the relevance of serum copper (Cu) and ceruloplasmin (Cp) measures in hospitalized patients with psychiatric disorders; and [2] to identify possible mutations in the ATP7B gene in patients with abnormal biological copper profile...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/28382023/antiprotozoal-effect-of-saponins-in-the-rumen-can-be-enhanced-by-chemical-modifications-in-their-structure
#17
Eva Ramos-Morales, Gabriel de la Fuente, Stephane Duval, Christof Wehrli, Marc Bouillon, Martina Lahmann, David Preskett, Radek Braganca, Charles J Newbold
The antiprotozoal effect of saponins is transitory, as when saponins are deglycosylated to the sapogenin by rumen microorganisms they become inactive. We postulated that the substitution of the sugar moiety of the saponin with small polar residues would produce sapogen-like analogs which might be resistant to degradation in the rumen as they would not be enzymatically cleaved, allowing the antiprotozoal effect to persist over time. In this study, we used an acute assay based on the ability of protozoa to break down [(14)C] leucine-labeled Streptococcus bovis and a longer term assay based on protozoal motility over 24 h to evaluate both the antiprotozoal effect and the stability of this effect with fifteen hederagenin bis-esters esterified with two identical groups, and five cholesterol and cholic acid based derivatives carrying one to three succinate residues...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28361391/relation-between-bispectral-index-measurements-of-anesthetic-depth-and-postoperative-mortality-a-meta-analysis-of-observational-studies
#18
Andres Zorrilla-Vaca, Ryan J Healy, Christopher L Wu, Michael C Grant
INTRODUCTION: The association between anesthesia depth and mortality is still controversial. There are a number of narrative reviews on this topic that affirm this association, but their conclusions were based only on qualitative analyses. The aim of this meta-analysis of observational studies was to examine the potential association between depth of anesthesia as a low bispectral index (BIS) and mortality using appropriate quantitative methods. METHODS: The literature was systematically reviewed in three main electronic databases (MEDLINE, EMBASE, Google Scholar) to identify all articles from inception through December 2015 regarding the association between depth of anesthesia and mortality...
June 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28355756/-effect-of-intravenous-infusion-with-lidocaine-on-rapid-recovery-of-laparoscopic-cholecystectomy
#19
X Z Chen, Q B Lou, C C Sun, W S Zhu, J Li
Objective: To investigate the effect of intravenous infusion with lidocaine on rapid recovery of laparoscopic cholecystectomy. Methods: This study was a prospective randomized controlled trial. From February to August 2016 in Affiliated Yiwu Hospital of Wenzhou Medical University, 60 patients scheduled for laparoscopic cholecystectomy under general anesthesia were involved and randomly divided into control group (n=30) and lidocaine group (n=30). Patients in lidocaine group received lidocaine 1.5 mg/kg intravenously before induction and followed by 2...
March 28, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28345961/the-short-term-efficacy-of-an-unguided-internet-based-cognitive-behavioral-therapy-for-insomnia-a-randomized-controlled-trial-with-a-six-month-nonrandomized-follow-up
#20
Susanne Hagatun, Øystein Vedaa, Tine Nordgreen, Otto R F Smith, Ståle Pallesen, Odd E Havik, Bjørn Bjorvatn, Frances P Thorndike, Lee M Ritterband, Børge Sivertsen
OBJECTIVE: Insomnia is a major health problem, and the need for effective and accessible treatment is urgent. The aim of the current study was to evaluate the short-term efficacy of an unguided Internet-based cognitive-behavioral treatment program for insomnia (CBTi), called SHUTi (Sleep Healthy Using the Internet). METHODS: This study used a parallel arm randomized controlled trial in Norway. Participants were randomly allocated to the SHUTi condition or a Web-based patient education condition...
March 27, 2017: Behavioral Sleep Medicine
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