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https://www.readbyqxmd.com/read/28185634/usefulness-of-a-noninvasive-device-to-identify-elevated-left-ventricular-filling-pressure-using-finger-photoplethysmography-during-a-valsalva-maneuver
#1
Panagis Galiatsatos, Theingi Tiffany Win, Jennifer Monti, Peter V Johnston, William Herzog, Jeffrey C Trost, Chao-Wei Hwang, Gene Y Fridman, Nae-Yuh Wang, Harry A Silber
The high rate of re-hospitalization for heart failure might be reduced by improving noninvasive techniques for identifying elevated left ventricular (LV) filling pressure. We previously showed that changes in a finger photoplethysmography (PPG) waveform during the Valsalva maneuver (VM) reflect invasively measured LV end-diastolic pressure (LVEDP). We have since developed a hand-held device that analyzes PPG while guiding the expiratory effort of a VM. Here we assessed the sensitivity and specificity of this device for identifying elevated LVEDP in patients...
January 5, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28163566/optimal-cut-off-value-of-the-superior-articular-process-area-as-a-morphological-parameter-to-predict-lumbar-foraminal-stenosis
#2
Tae-Ha Lim, Soo Il Choi, Hyung Rae Cho, Keum Nae Kang, Chang Joon Rhyu, Eun Young Chae, Young Su Lim, Yongsoo Lee, Young Uk Kim
Background. We devised a new morphological parameter called the superior articular process area (SAPA) to evaluate the connection between lumbar foraminal stenosis (LFS) and the superior articular process. Objective. We hypothesized that the SAPA is an important morphologic parameter in the diagnosis of LFS. Methods. All patients over 60 years of age were included. Data regarding the SAPA were collected from 137 patients with LFS. A total of 167 control subjects underwent lumbar magnetic resonance imaging (MRI) as part of a routine medical examination...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28138687/serum-endocannabinoids-and-n-acyl-ethanolamines-and-the-influence-of-simulated-solar-uvr-exposure-in-humans-in-vivo
#3
Sarah J Felton, Alexandra C Kendall, Abdalla F M Almaedani, Paula Urquhart, Ann R Webb, Richard Kift, Andy Vail, Anna Nicolaou, Lesley E Rhodes
Solar ultraviolet radiation (UVR) exposure of human skin has beneficial and harmful effects on health, including impact on immune function, inflammation and reportedly mood, but these are not fully elucidated. Since the endocannabinoid system is implicated in many activities including mood alteration, our objective was to (i) determine and quantify circulating levels of a wide range of endocannabinoid and N-acyl ethanolamine (NAE) species (ii) evaluate whether these are modulated by cutaneous UVR exposures, as attained through repeated low level summer sunlight exposure...
January 31, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28120902/targeted-metabolomics-shows-plasticity-in-the-evolution-of-signaling-lipids-and-uncovers-old-and-new-endocannabinoids-in-the-plant-kingdom
#4
María Salomé Gachet, Alexandra Schubert, Serafina Calarco, Julien Boccard, Jürg Gertsch
The remarkable absence of arachidonic acid (AA) in seed plants prompted us to systematically study the presence of C20 polyunsaturated fatty acids, stearic acid, oleic acid, jasmonic acid (JA), N-acylethanolamines (NAEs) and endocannabinoids (ECs) in 71 plant species representative of major phylogenetic clades. Given the difficulty of extrapolating information about lipid metabolites from genetic data we employed targeted metabolomics using LC-MS/MS and GC-MS to study these signaling lipids in plant evolution...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28112243/a-chemical-genetic-screen-uncovers-a-small-molecule-enhancer-of-the-n-acylethanolamine-degrading-enzyme-fatty-acid-amide-hydrolase-in-arabidopsis
#5
Bibi Rafeiza Khan, Lionel Faure, Kent D Chapman, Elison B Blancaflor
N-Acylethanolamines (NAEs) are a group of fatty acid amides that play signaling roles in diverse physiological processes in eukaryotes. Fatty acid amide hydrolase (FAAH) degrades NAE into ethanolamine and free fatty acid to terminate its signaling function. In animals, chemical inhibitors of FAAH have been used for therapeutic treatment of pain and as tools to probe deeper into biochemical properties of FAAH. In a chemical genetic screen for small molecules that dampened the inhibitory effect of N-lauroylethanolamine (NAE 12:0) on Arabidopsis thaliana seedling growth, we identified 6-(2-methoxyphenyl)-1,3-dimethyl-5-phenyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3 H,6 H)-dione (or MDPD)...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28107228/contribution-of-oxidative-stress-to-non-aids-events-in-hiv-infected-patients
#6
Mar Masiá, Sergio Padilla, Marta Fernández, Xavier Barber, Santiago Moreno, José Antonio Iribarren, Joaquín Portilla, Alejandro Peña, Francesc Vidal, Félix Gutiérrez
OBJECTIVE: Recognition of potentially modifiable mechanisms implicated in the pathogenesis of non-AIDS events (NAEs) might help improve outcomes of HIV-infected individuals. HIV infection has been associated with increased oxidative stress. We assessed the association between F2-isoprostanes and serious NAEs, and whether they improve the predictive performance of inflammation and coagulation biomarkers. METHODS: Prospective multicenter cohort. Individuals who had an incident serious NAE and two sex and age matched participants with no events were selected...
January 18, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28099390/to-nearly-come-full-circle-nonoperative-management-of-high-grade-iv-v-blunt-splenic-trauma-is-safe-utilizing-a-protocol-with-routine-angioembolization
#7
Indermeet S Bhullar, Joseph J Tepas, Daniel Siragusa, Todd Loper, Andrew Kerwin, Eric R Frykberg
INTRODUCTION: Nonoperative management (NOM) of hemodynamically stable high grade (IV-V) blunt splenic trauma (BST) remains controversial given the high failure rates (19%) that persist despite angioembolization (AE) protocols. The NOM protocol was modified in 2011 to include mandatory AE of all grade (IV-V) injuries without CB along with selective AE of grade (I-V) with CB. The purpose of this study was to determine if this new AE protocol significantly lowered the failure rates for grade (IV-V) injuries allowing for safe observation without surgery and if the exclusion of grade III injuries allowed for the prevention of unnecessary angiograms without affecting the overall failure rates...
January 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28096463/deneddylase1-counters-automodification-of-neddylating-enzymes-to-maintain-nedd8-homeostasis-in-arabidopsis
#8
Julia Mergner, Bernhard Kuster, Claus Schwechheimer
In eukaryotes, the conjugation of the ubiquitin-like protein NEDD8 onto protein targets is an important post-translational modification. The best understood neddylation targets are the cullins, scaffold subunits of E3 ubiquitin ligases, where neddylation as well as deneddylation, facilitated by the protease activity of the CSN (COP9 signalosome), are required to control ubiquitin ligase assembly, function and ultimately substrate degradation. Little is known about the role of other deneddylating enzymes besides CSN and the role of neddylation and deneddylation of their substrates...
January 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28092681/genomic-analysis-of-globally-diverse-mycobacterium-tuberculosis-strains-provides-insights-into-the-emergence-and-spread-of-multidrug-resistance
#9
Abigail L Manson, Keira A Cohen, Thomas Abeel, Christopher A Desjardins, Derek T Armstrong, Clifton E Barry, Jeannette Brand, Sinéad B Chapman, Sang-Nae Cho, Andrei Gabrielian, James Gomez, Andreea M Jodals, Moses Joloba, Pontus Jureen, Jong Seok Lee, Lesibana Malinga, Mamoudou Maiga, Dale Nordenberg, Ecaterina Noroc, Elena Romancenco, Alex Salazar, Willy Ssengooba, A A Velayati, Kathryn Winglee, Aksana Zalutskaya, Laura E Via, Gail H Cassell, Susan E Dorman, Jerrold Ellner, Parissa Farnia, James E Galagan, Alex Rosenthal, Valeriu Crudu, Daniela Homorodean, Po-Ren Hsueh, Sujatha Narayanan, Alexander S Pym, Alena Skrahina, Soumya Swaminathan, Martie Van der Walt, David Alland, William R Bishai, Ted Cohen, Sven Hoffner, Bruce W Birren, Ashlee M Earl
Multidrug-resistant tuberculosis (MDR-TB), caused by drug-resistant strains of Mycobacterium tuberculosis, is an increasingly serious problem worldwide. Here we examined a data set of whole-genome sequences from 5,310 M. tuberculosis isolates from five continents. Despite the great diversity of these isolates with respect to geographical point of isolation, genetic background and drug resistance, the patterns for the emergence of drug resistance were conserved globally. We have identified harbinger mutations that often precede multidrug resistance...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28068834/design-considerations-of-a-randomized-controlled-trial-of-sedation-level-during-hip-fracture-repair-surgery-a-strategy-to-reduce-the-incidence-of-postoperative-delirium-in-elderly-patients
#10
Tianjing Li, L Susan Wieland, Esther Oh, Karin J Neufeld, Nae-Yuh Wang, Kay Dickersin, Frederick E Sieber
Background Delirium is an acute change in mental status characterized by sudden onset, fluctuating course, inattention, disorganized thinking, and abnormal level of consciousness. The objective of the randomized controlled trial "A STrategy to Reduce the Incidence of Postoperative Delirium in Elderly Patients" (STRIDE) is to assess the effectiveness of light versus heavy sedation on delirium and other outcomes in elderly patients undergoing hip fracture repair surgery. Our goal is to describe the design considerations and lessons learned in planning and implementing the STRIDE trial...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28065729/n-acylethanolamine-hydrolyzing-acid-amidase-and-fatty-acid-amide-hydrolase-inhibition-differentially-affect-n-acylethanolamine-levels-and-macrophage-activation
#11
Mireille Alhouayek, Pauline Bottemanne, Alexandros Makriyannis, Giulio G Muccioli
N-acylethanolamines (NAEs) such as N-palmitoylethanolamine and anandamide are endogenous bioactive lipids having numerous functions, including the control of inflammation. Their levels and therefore actions can be controlled by modulating the activity of two hydrolytic enzymes, N-acylethanolamine-hydrolyzing acid amidase (NAAA) and fatty acid amide hydrolase (FAAH). As macrophages are key to inflammatory processes, we used lipopolysaccharide-activated J774 macrophages, as well as primary mouse alveolar macrophages, to study the effect of FAAH and NAAA inhibition, using PF-3845 and AM9053 respectively, on macrophage activation and NAE levels measured by HPLC-MS...
January 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28064139/neurological-adverse-events-associated-with-immune-checkpoint-inhibitors-review-of-the-literature
#12
REVIEW
S Cuzzubbo, F Javeri, M Tissier, A Roumi, C Barlog, J Doridam, C Lebbe, C Belin, R Ursu, A F Carpentier
Immune checkpoint inhibitors (ICIs) targeting CTLA4 and PD1 constitute a promising class of cancer treatment but are associated with several immune-related disorders. We here review the literature reporting neurological adverse events (nAEs) associated with ICIs. A systematic search of literature, up to February 2016, mentioning nAEs in patients treated with ICIs was conducted. Eligible studies included case reports and prospective trials. One case seen in our ward was also added. Within the 59 clinical trials (totalling 9208 patients) analysed, the overall incidence of nAEs was 3...
January 5, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28061857/coordinated-regulation-of-acid-resistance-in-escherichia-coli
#13
Patricia Aquino, Brent Honda, Suma Jaini, Anna Lyubetskaya, Krutika Hosur, Joanna G Chiu, Iriny Ekladious, Dongjian Hu, Lin Jin, Marianna K Sayeg, Arion I Stettner, Julia Wang, Brandon G Wong, Winnie S Wong, Stephen L Alexander, Cong Ba, Seth I Bensussen, David B Bernstein, Dana Braff, Susie Cha, Daniel I Cheng, Jang Hwan Cho, Kenny Chou, James Chuang, Daniel E Gastler, Daniel J Grasso, John S Greifenberger, Chen Guo, Anna K Hawes, Divya V Israni, Saloni R Jain, Jessica Kim, Junyu Lei, Hao Li, David Li, Qian Li, Christopher P Mancuso, Ning Mao, Salwa F Masud, Cari L Meisel, Jing Mi, Christine S Nykyforchyn, Minhee Park, Hannah M Peterson, Alfred K Ramirez, Daniel S Reynolds, Nae Gyune Rim, Jared C Saffie, Hang Su, Wendell R Su, Yaqing Su, Meng Sun, Meghan M Thommes, Tao Tu, Nitinun Varongchayakul, Tyler E Wagner, Benjamin H Weinberg, Rouhui Yang, Anastasia Yaroslavsky, Christine Yoon, Yanyu Zhao, Alicia J Zollinger, Anne M Stringer, John W Foster, Joseph Wade, Sahadaven Raman, Natasha Broude, Wilson W Wong, James E Galagan
BACKGROUND: Enteric Escherichia coli survives the highly acidic environment of the stomach through multiple acid resistance (AR) mechanisms. The most effective system, AR2, decarboxylates externally-derived glutamate to remove cytoplasmic protons and excrete GABA. The first described system, AR1, does not require an external amino acid. Its mechanism has not been determined. The regulation of the multiple AR systems and their coordination with broader cellular metabolism has not been fully explored...
January 6, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28044169/a-dual-functional-polymer-coating-on-a-lithium-anode-for-suppressing-dendrite-growth-and-polysulfide-shuttling-in-li-s-batteries
#14
Jing Luo, Rung-Chuan Lee, Jian-Ting Jin, Yu-Ting Weng, Chia-Chen Fang, Nae-Lih Wu
A surface coating that simultaneously suppressed Li dendrite growth and polysulfide shuttling on a lithium anode was successfully developed using a polymer blend composed of Nafion® and polyvinylidene difluoride (PVDF). This hierarchically nanostructured composite coating efficiently alleviated the swelling and dissolution problems of cation-selective Nafion® in the electrolyte and provided sufficient mechanical strength to accommodate large volumetric variations in the Li anode during charge-discharge cycles...
January 3, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28032171/iatrogenic-through-and-through-conchal-defect-secondary-to-auricular-cartilage-graft
#15
Hyung-Suk Ro, Si-Gyun Roh, Jin Yong Shin, Nae-Ho Lee, Kyung-Moo Yang
BACKGROUND: Over the past few years, conchal cartilage has been most often used in rhinoplasty. The donor site complications following conchal cartilage graft harvesting are scar formation, hematoma formation, and delayed wound healing, although hematoma is one of the most important and common complications. A complete conchal defect as a complication of auricular cartilage graft harvesting has not been previously reported in the literature. The authors report an unusual case of an iatrogenic conchal defect resulting from conchal cartilage graft harvesting that was treated using a posterior auricular island flap...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28032154/negative-pressure-wound-therapy-as-effective-and-comfortable-management-after-treatment-of-osmidrosis
#16
Jin Yong Shin, Si-Gyun Roh, Nae-Ho Lee, Kyung-Moo Yang
: Although osmidrosis has been widely discussed in respect to its treatment modalities, there has been no definite consideration of postoperative management after the treatment of osmidrosis. We have tested the 40-125 mmHg range of negative pressure. We present negative pressure wound therapy (NPWT) of 70 mmHg for postoperative management in osmidrosis because NPWT has a role in removing fluid, such as blood or seroma, and diminishing the dead space between the skin and subcutaneous tissue...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28031366/the-autographa-californica-nucleopolyhedrovirus-ac83-gene-contains-a-cis-acting-element-that-is-essential-for-nucleocapsid-assembly
#17
Zhihong Huang, Mengjia Pan, Silei Zhu, Hao Zhang, Wenbi Wu, Meijin Yuan, Kai Yang
: Baculoviridae is a family of insect-specific viruses that have a circular double-stranded DNA genome packaged within a rod-shaped capsid. The mechanism of baculovirus nucleocapsid assembly remains unclear. Previous studies have shown that deletion of the ac83 gene of Autographa californica multiple nucleopolyhedrovirus (AcMNPV) blocks viral nucleocapsid assembly. Interestingly, the ac83-encoded protein Ac83 is not a component of the nucleocapsid, implying a particular role for ac83 in nucleocapsid assembly that may be independent of its protein product...
December 28, 2016: Journal of Virology
https://www.readbyqxmd.com/read/28002322/the-effect-of-polydeoxyribonucleotide-prolotherapy-on-posterior-tibial-tendon-dysfunction-after-ankle-syndesmotic-surgery-a-case-report
#18
Tae-Ha Lim, Hyung Rae Cho, Keum Nae Kang, Chang Joon Rhyu, Sung Won Chon, Young Su Lim, Jee In Yoo, Jung-Won Kim, Young Uk Kim
RATIONALE: Ankle syndesmotic injuries occasionally require long-term therapy for recovery and can result in tendon injury. Posterior tibial tendon dysfunction (PTTD) is an acquired deformity that can cause flatfoot deformity. The current nonoperative management of PTTD includes nonsteroidal antiinflammatory drugs (NSAIDs), orthopedic devices. Although various treatment options have been attempted, optimal treatments for each stage of the condition are debated. Polydeoxyribonucleotide (PDRN) is effective in healing of chronic wounds associated with tissue damage by attracting tissue growth factors...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27999147/quantitative-profiling-of-endocannabinoids-and-related-n-acylethanolamines-in-human-csf-using-nano-lc-ms-ms
#19
Vasudev Kantae, Shinji Ogino, Marek Noga, Amy C Harms, Robin M van Dongen, Gerrit L J Onderwater, Arn M J M van den Maagdenberg, Gisela M Terwindt, Mario van der Stelt, Michel D Ferrari, Thomas Hankemeier
Endocannabinoids, a class of lipid messengers, have emerged as crucial regulators of synaptic communication in the central nervous system (CNS). Dysregulation of these compounds has been implicated in many brain disorders. Although some studies have identified and quantified a limited number of target compounds, a method that provides comprehensive quantitative information on endocannabinoids and related N-acylethanolamines (NAEs) in CSF is currently lacking as measurements are challenging due to low concentrations under normal physiological conditions...
December 20, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27994091/rheumatoid-arthritis-triple-therapy-compared-with-etanercept-difference-in-infectious-and-gastrointestinal-adverse-events
#20
Lien T Quach, Bei-Hung Chang, Mary T Brophy, Soe Soe Thwin, Keri Hannagan, James R O'Dell
OBJECTIVE: The main aim of this study was to examine the differences between triple therapy (T: SSZ and HCQ added to MTX) and etanercept (E) added to MTX with regard to the infectious and gastrointestinal (GI) adverse events (AEs) reported in The Rheumatoid Arthritis Comparison of Active Therapies Trial. METHODS: The patients were 353 RA MTX incomplete responders who were randomized to T (n = 178) or E (n = 175). Of these, 88 patients were switched to the alternative treatment from the initial treatment (E or T) at 24 weeks per protocol...
December 19, 2016: Rheumatology
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