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https://www.readbyqxmd.com/read/29155208/inflammatory-renin-angiotensin-system-disruption-attenuates-sensory-hyperinnervation-and-mechanical-hypersensitivity-in-a-rat-model-of-provoked-vestibulodynia
#1
Anuradha Chakrabarty, Zhaohui Liao, Ying Mu, Peter G Smith
Vestibulodynia is characterized by peri-vaginal mechanical hypersensitivity, hyperinnervation, and abundant inflammatory cells expressing renin-angiotensin system proteins. We developed a tractable rat model of vestibulodynia to further assess the contributions of the renin-angiotensin system. Complete Freund's adjuvant (CFA) injected into the posterior vestibule induced marked vestibular hypersensitivity throughout a 7-day test period. Numbers of axons immunoreactive for PGP9.5, calcitonin gene-related peptide, and GFRα2 were increased...
November 15, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29155035/utility-of-anesthetic-block-for-endometrial-ablation-pain-a-randomized-controlled-trial
#2
Jordan S Klebanoff, Nima R Patel, Nancy L Sloan
BACKGROUND: Second-generation endometrial ablation has been demonstrated safe for abnormal uterine bleeding treatment in premenopausal women, who have completed childbearing, in short-stay surgical centers and in physicians' offices. However, no standard regarding anesthesia exists and practice varies depending on physician or patient preference and hospital policy and setting. OBJECTIVE: To evaluate whether local anesthetic, in combination with general anesthesia, affects postoperative pain and associated narcotic use following endometrial ablation...
November 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29152606/ethanol-induced-steatosis-involves-impairment-of-lipophagy-associated-with-reduced-dynamin2-activity
#3
Karuna Rasineni, Terrence M Donohue, Paul G Thomes, Li Yang, Dean J Tuma, Mark A McNiven, Carol A Casey
Background: Lipid droplets (LDs), the organelles central to alcoholic steatosis, are broken down by lipophagy, a specialized form of autophagy. Here, we hypothesize that ethanol administration retards lipophagy by down-regulating Dynamin 2 (Dyn2), a protein that facilitates lysosome re-formation, contributing to hepatocellular steatosis. Methods: Primary hepatocytes were isolated from male Wistar rats fed Lieber-DeCarli control or EtOH liquid diets for 6-8 wk. Hepatocytes were incubated in complete medium (fed) or nutrient-free medium (fasting) with or without the Dyn2 inhibitor Dynasore or the Src inhibitor SU6656...
August 2017: Hepatol Commun
https://www.readbyqxmd.com/read/29152410/ultrasound-triggered-local-anaesthesia
#4
Alina Y Rwei, Juan L Paris, Bruce Wang, Weiping Wang, Christopher D Axon, María Vallet-Regí, Robert Langer, Daniel S Kohane
On-demand relief of local pain would allow patients to control the timing, intensity and duration of nerve block in a safe and non-invasive manner. Ultrasound would be a suitable trigger for such a system, as it is in common clinical use and can penetrate deeply into the body. Here, we demonstrate that ultrasound-triggered delivery of an anaesthetic from liposomes allows the timing, intensity and duration of nerve block to be controlled by ultrasound parameters. On insonation, the encapsulated sonosensitizer protoporphyrin IX produces reactive oxygen species that react with the liposomal membrane, leading to the release of the potent local anaesthetic tetrodotoxin...
2017: Nature biomedical engineering
https://www.readbyqxmd.com/read/29149212/mycolactone-displays-anti-inflammatory-effects-on-the-nervous-system
#5
Caroline Isaac, Annie Mauborgne, Alfonso Grimaldi, Kemy Ade, Michel Pohl, Cristina Limatola, Yves Boucher, Caroline Demangel, Laure Guenin-Macé
BACKGROUND: Mycolactone is a macrolide produced by the skin pathogen Mycobacterium ulcerans, with cytotoxic, analgesic and immunomodulatory properties. The latter were recently shown to result from mycolactone blocking the Sec61-dependent production of pro-inflammatory mediators by immune cells. Here we investigated whether mycolactone similarly affects the inflammatory responses of the nervous cell subsets involved in pain perception, transmission and maintenance. We also investigated the effects of mycolactone on the neuroinflammation that is associated with chronic pain in vivo...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29149143/efficacy-of-magnesium-sulfate-added-to-local-anesthetic-in-a-transversus-abdominis-plane-block-for-analgesia-following-total-abdominal-hysterectomy-a-randomized-trial
#6
Kelany A Abd-Elsalam, Khaled M Fares, Montaser A Mohamed, Mohamed F Mohamed, Ahmad M Abd El-Rahman, Moaaz M Tohamy
BACKGROUND: Major abdominal surgeries are associated with severe pain, which can affect respiratory and cardiac functions if insufficiently treated; this increases postoperative morbidity. OBJECTIVE: We aim at evaluating the efficacy of magnesium sulfate as an adjuvant to local anesthetic in an ultrasound-guided transversus abdominis plane (TAP) block for postoperative analgesia in total abdominal hysterectomy. STUDY DESIGN: A prospective, randomized, double-blinded clinical trial...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29146982/photonic-simulation-of-entanglement-growth-and-engineering-after-a-spin-chain-quench
#7
Ioannis Pitsios, Leonardo Banchi, Adil S Rab, Marco Bentivegna, Debora Caprara, Andrea Crespi, Nicolò Spagnolo, Sougato Bose, Paolo Mataloni, Roberto Osellame, Fabio Sciarrino
The time evolution of quantum many-body systems is one of the most important processes for benchmarking quantum simulators. The most curious feature of such dynamics is the growth of quantum entanglement to an amount proportional to the system size (volume law) even when interactions are local. This phenomenon has great ramifications for fundamental aspects, while its optimisation clearly has an impact on technology (e.g., for on-chip quantum networking). Here we use an integrated photonic chip with a circuit-based approach to simulate the dynamics of a spin chain and maximise the entanglement generation...
November 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146974/human-cyclophilin-b-forms-part-of-a-multi-protein-complex-during-erythrocyte-invasion-by-plasmodium-falciparum
#8
Prem Prakash, Mohammad Zeeshan, Ekta Saini, Azhar Muneer, Sachin Khurana, Bishwanath Kumar Chourasia, Arunaditya Deshmukh, Inderjeet Kaur, Surabhi Dabral, Niharika Singh, Zille Anam, Ayushi Chaurasiya, Shikha Kaushik, Pradeep Dahiya, Md Kalamuddin, Jitendra Kumar Thakur, Asif Mohmmed, Anand Ranganathan, Pawan Malhotra
Invasion of human erythrocytes by Plasmodium falciparum merozoites involves multiple interactions between host receptors and their merozoite ligands. Here we report human Cyclophilin B as a receptor for PfRhopH3 during merozoite invasion. Localization and binding studies show that Cyclophilin B is present on the erythrocytes and binds strongly to merozoites. We demonstrate that PfRhopH3 binds to the RBCs and their treatment with Cyclosporin A prevents merozoite invasion. We also show a multi-protein complex involving Cyclophilin B and Basigin, as well as PfRhopH3 and PfRh5 that aids the invasion...
November 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146721/development-of-a-function-blocking-antibody-against-fibulin-3-as-targeted-reagent-for-glioblastoma
#9
Mohan Sobhana Nandhu, Prajna Behera, Vivek Bhaskaran, Sharon L Longo, Lina M Barrera-Arenas, Sadhak Sengupta, Diego J Rodriguez-Gil, E Antonio Chiocca, Mariano S Viapiano
PURPOSE: We sought a novel approach against glioblastomas (GBM) focused on targeting signaling molecules localized in the tumor extracellular matrix (ECM). We investigated fibulin-3, a glycoprotein that forms the ECM scaffold of GBMs and promotes tumor progression by driving Notch and NF-kB signaling. EXPERIMENTAL DESIGN: We used deletion constructs to identify a key signaling motif of fibulin-3. A monoclonal antibody (mAb428.2) was generated against this epitope and extensively validated for specific detection of human fibulin-3...
November 16, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29145970/minimally-invasive-posteromedial-percutaneous-plate-osteosynthesis-for-diaphyseal-tibial-fractures-technique-description
#10
Andre Wajnsztejn, Robinson Esteves Santos Pires, Alexandre Leme Godoy Dos Santos, Pedro Jose Labronici, Helio Jorge Alvachian Fernandes, Mario Ferretti
PURPOSE: The aim of this study was to evaluate the feasibility of performing minimally-invasive plate osteosynthesis (MIPO) in tibial fractures using two posteromedial incisions, and to measure the distance between the plate and neurovascular structures. MATERIALS AND METHODS: We performed nine dissections of specimens that were submitted to tibial MIPO with two posteromedial incisions. One locking compression plate (LCP) of 14 to 16 holes was inserted into the submuscular tunnel in a retrograde manner...
October 2017: Injury
https://www.readbyqxmd.com/read/29145840/blockade-of-nicotine-sensitization-by-methanol-extracts-of-glycyrrhizae-radix-mediated-via-antagonism-of-accumbal-oxidative-stress
#11
Zheng Lin Zhao, Sang Chan Kim, Hong Feng Liu, Yi Yan Wu, Li Bo Li, Yu Hua Wang, Yu Jiao, Yu Fan, Chul Won Lee, Bong Hyeo Lee, Il Je Cho, Chae Ha Yang, Rong Jie Zhao
BACKGROUND: We previously reported that a methanol extract of Glycyrrhizae radix (MEGR) blocked methamphetamine-induced locomotor sensitization and conditioned place preference in rats. In the present study, the effects of MEGR on repeated nicotine-induced locomotor sensitization and enhanced extracellular dopamine (DA) release in the nucleus accumbens (Nacc) were evaluated. METHODS: Male Sprague-Dawley rats received repeated administrations of nicotine (0.4 mg/kg, subcutaneous) or saline twice a day for 7 d and were challenged with nicotine 4 d after the last daily dosing...
November 16, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29143124/the-effect-of-inhibition-on-stimulus-specific-adaptation-in-the-inferior-colliculus
#12
Yaneri A Ayala, Manuel S Malmierca
The inferior colliculus is a center of convergence for inhibitory and excitatory synaptic inputs that may be activated simultaneously by sound stimulation. Stimulus repetition may generate response habituation by changing the efficacy of neuron's synaptic inputs. Specialized IC neurons reduce their response to repetitive tones, but restore their firing when a different and infrequent tone occurs, a phenomenon known as stimulus specific adaptation. Here, using the microiontophoresis technique, we determined the role of GABAA-, GABAB-, and glycinergic receptors in stimulus-specific adaptation (SSA)...
November 15, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/29142346/conjugation-of-antibodies-with-radiogold-nanoparticles-as-an-effector-targeting-agents-in-radiobioconjugate-cancer-therapy-optimized-labeling-and-biodistribution-results
#13
Pankaj Garg, Daya Kishore Hazra
Purpose of the Study: Drug accessibility to the tumor cells is an important area of concern with an anticipation of increasing the efficacy of the drug to be delivered to a specific site. The biogenesis of gold nanoparticles using plant-mediated phytochemical extracts and their possible linkage to cancer antibodies with an aim at delivering the conjugate specifically to the tumor-associated antigen is the basic objective of the research. Materials and Methodology: Radiolabeling of antibodies with gold nanoparticles was carried out by a protocol, and the labeling extent of antibodies was compared with that of a radiogold solution to ordinary particulate size (AuNO-Ab)...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29140876/evidence-based-guidance-to-assist-volunteers-working-with-at-risk-children-in-a-school-context
#14
Emmy De Buck, Philippe Vandekerckhove, Karin Hannes
AIM: One of the activities of the Belgian Red Cross is the 'Bridging the Gap' project, in collaboration with local schools. In this project, volunteers join the teaching staff to improve personal development goals in at-risk children with poor performance. The aim of this study was to develop evidence-based guidance for the volunteers to help them choose the right didactical approach for supporting these children. METHOD: Systematic literature searches were performed in three bibliographic databases (the Campbell Library, MEDLINE and ERIC) to find the effectiveness of 16 different didactical activities...
November 14, 2017: International Journal of Evidence-based Healthcare
https://www.readbyqxmd.com/read/29140849/endoscopic-submucosal-dissection-for-superficial-proximal-esophageal-neoplasia-is-highly-successful
#15
Yi-Qun Zhang, Tao Chen, Chen Zhang, Quan-Lin Li, Wei-Feng Chen, Li-Qing Yao, Ping-Hong Zhou, Mei-Dong Xu
OBJECTIVE: The aim of this study was to evaluate the outcomes of endoscopic submucosal dissection (ESD) for superficial proximal esophageal neoplasia. SUMMARY OF BACKGROUND DATA: The surgery for a tumor located in proximal esophagus is relatively difficult and leads to a high morbidity and mortality. ESD is a minimally invasive endoscopic treatment of superficial neoplasia of the gastrointestinal tract allowing en block resection with low recurrence rates; however, ESD for superficial proximal esophageal neoplasia is little known...
December 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29140444/safety-and-immunogenicity-of-different-formulations-of-norovirus-vaccine-candidate-in-healthy-adults-a-randomized-controlled-double-blind-clinical-trial
#16
G Leroux-Roels, J P Cramer, P M Mendelman, J Sherwood, R Clemens, A Aerssens, I De Coster, A Borkowski, F Baehner, P Van Damme
Background: We investigated safety and immunogenicity of 1-2 doses of different bivalent virus-like particle (VLP) norovirus vaccine candidate (NoV) formulations in healthy 18-64-year-olds. Methods: On Days 1 and 28 participants (n=420) randomized to 14 equal groups received intramuscular control vaccine (hepatitis A) or one of 11 NoV formulations contained varying dosages of GI.1 and GII.4c genotype VLP antigens with Al(OH)3, and 0μg, 15μg or 50μg MPL. Immunogenicity was assessed on Days 1, 28, 56, 208 and 393...
November 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29140132/mediation-of-the-single-walled-carbon-nanotubes-induced-pulmonary-fibrogenic-response-by-osteopontin-and-tgf-%C3%AE-1
#17
Timur O Khaliullin, Elena R Kisin, Ashley R Murray, Naveena Yanamala, Michael R Shurin, Dmitriy W Gutkin, Liliya M Fatkhutdinova, Valerian E Kagan, Anna A Shvedova
PURPOSE OF THE STUDY: A number of in vivo studies have shown that pulmonary exposure to carbon nanotubes (CNTs) may lead to an acute local inflammatory response, pulmonary fibrosis, and granulomatous lesions. Among the factors that play direct roles in initiation and progression of fibrotic processes are epithelial-mesenchymal transition and myofibroblasts recruitment/differentiation, both mediated by transforming growth factor-β1 (TGF-β1). Yet, other contributors to TGF-β1 associated signaling, such as osteopontin (OPN) has not been fully investigated...
October 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29140105/durvalumab-in-non-small-cell-lung-cancer-patients-current-developments
#18
Laura Mezquita, David Planchard
Immune checkpoint inhibitors (ICIs) are a key component of treating advanced cancer patients, principally antibodies against CTLA-4 and PD-1 or PD-L1. Durvalumab (MEDI4736) is a selective, high-affinity, human IgG1 monoclonal antibody that blocks PD-L1, which binds to PD-1 and CD80, but not to PD-L2. Single-agent durvalumab showed clinical efficacy and a manageable safety profile in advanced non-small-cell lung cancer, particularly the ≥25% PD-L1+ population. Durvalumab is under evaluation in early, locally advanced and advanced disease as monotherapy and combined with ICIs, targeted therapies, chemotherapy and radiotherapy...
November 15, 2017: Future Oncology
https://www.readbyqxmd.com/read/29138236/a-kinase-dependent-role-for-haspin-in-antagonizing-wapl-and-protecting-mitotic-centromere-cohesion
#19
Cai Liang, Qinfu Chen, Qi Yi, Miao Zhang, Haiyan Yan, Bo Zhang, Linli Zhou, Zhenlei Zhang, Feifei Qi, Sheng Ye, Fangwei Wang
Sister-chromatid cohesion mediated by the cohesin complex is fundamental for precise chromosome segregation in mitosis. Through binding the cohesin subunit Pds5, Wapl releases the bulk of cohesin from chromosome arms in prophase, whereas centromeric cohesin is protected from Wapl until anaphase onset. Strong centromere cohesion requires centromeric localization of the mitotic histone kinase Haspin, which is dependent on the interaction of its non-catalytic N-terminus with Pds5B. It remains unclear how Haspin fully blocks the Wapl-Pds5B interaction at centromeres...
November 14, 2017: EMBO Reports
https://www.readbyqxmd.com/read/29135692/ultrasound-with-neurostimulation-compared-with-ultrasound-guidance-alone-for-lumbar-plexus-block-a-randomised-single-blinded-equivalence-trial
#20
Vanlapa Arnuntasupakul, Theerawat Chalachewa, Prangmalee Leurcharusmee, Worakamol Tiyaprasertkul, Roderick J Finlayson, De Q Tran
BACKGROUND: Ultrasound-guided lumbar plexus blocks usually require confirmatory neurostimulation. A simpler alternative is to inject local anaesthetic inside the posteromedial quadrant of the psoas muscle under ultrasound guidance. OBJECTIVE: We hypothesised that both techniques would result in similar total anaesthesia time, defined as the sum of performance and onset time. DESIGN: A randomised, observer-blinded, equivalence trial (equivalence margin = 7...
November 11, 2017: European Journal of Anaesthesiology
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