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https://www.readbyqxmd.com/read/28934076/delayed-urinary-symptoms-induced-by-ketamine
#1
María Robles-Martínez, Alfonso C Abad, Violeta Pérez-Rodríguez, Elena Ros-Cucurull, Abderraman Esojo, Carlos Roncero
One of the side-effects of ketamine abuse is genito-urinary damage. This report describes a case of a former ketamine user who presented with urinary symptoms associated with ketamine years after stopping consumption. This was a 26-year-old male with a history of ketamine abuse. He started treatment for alcohol dependence at age 19. He smoked marijuana daily and denied any other drug use. During the follow-up, urinary symptoms were evidenced (dysuria, frequency, urgency, incontinence, nocturia, hematuria, and suprapubic pain)...
September 21, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28933668/nasal-aluminum-oxy-hydroxide-enables-adsorbed-antigens-to-induce-specific-systemic-and-mucosal-immune-responses
#2
Haiyue Xu, Tinashe B Ruwona, Sachin G Thakkar, Yanping Chen, Mingtao Zeng, Zhengrong Cui
Some insoluble aluminum salts are commonly used in injectable vaccines as adjuvants to accelerate, prolong, or enhance the antigen-specific immune responses. Data from previous studies testing the nasal mucosal vaccine adjuvant activity of aluminum salts are conflicting. The present study is designed to further assess the feasibility of repurposing aluminum salts in injectable vaccines as nasal mucosal vaccine adjuvants. Using Alhydrogel®, the international scientific standard of aluminum (oxy)hydroxide gels, and ovalbumin or 3 × M2e-HA2, a synthetic influenza virus fusion protein, as antigens, we showed in a mouse model that when dosed intranasally Alhydrogel® enables antigens adsorbed on it to induce stronger antigen-specific immune responses in both serum samples (e...
September 21, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28931197/study-of-factors-responsible-for-recidivism-in-allergic-fungal-rhinosinusitis
#3
Bipin Kishore Prasad
Patients with allergic fungal rhinosinusitis (AFRS) are typically atopic and immunocompetent. Despite combined modality treatment based on surgery and immunomodulation, the potential for recidivism is well recognized. A study was conducted in a military hospital in India to identify the factors responsible for recidivism in AFRS and to suggest measures to overcome it. Sixty patients with AFRS (42 new cases and 18 cases that required revision surgery) were managed between January 2009 and July 2013. Patients underwent endoscopic, radiologic, and laboratory evaluation for AFRS followed by functional endoscopic sinus surgery...
September 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28930978/influenza-a-virus-studies-in-a-mouse-model-of-infection
#4
Laura Rodriguez, Aitor Nogales, Luis Martínez-Sobrido
Influenza viruses cause over 500,000 deaths worldwide(1) and are associated with an annual cost of 12 - 14 billion USD in the United States alone considering direct medical and hospitalization expenses and work absenteeism(2). Animal models are crucial in Influenza A virus (IAV) studies to evaluate viral pathogenesis, host-pathogen interactions, immune responses, and the efficacy of current and/or novel vaccine approaches as well as antivirals. Mice are an advantageous small animal model because their immune system is evolutionarily similar to that found in humans, they are available from commercial vendors as genetically identical subjects, there are multiple strains that can be exploited to evaluate the genetic basis of infections, and they are relatively inexpensive and easy to manipulate...
September 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930284/effects-of-intranasal-oxytocin-on-the-blood-oxygenation-level-dependent-signal-in-food-motivation-and-cognitive-control-pathways-in-overweight-and-obese-men
#5
Franziska Plessow, Dean A Marengi, Sylvia K Perry, Julia M Felicione, Rachel Franklin, Tara M Holmes, Laura M Holsen, Nikolaos Makris, Thilo Deckersbach, Elizabeth A Lawson
Recent research indicates that the hypothalamic neuropeptide hormone oxytocin is a key central nervous system factor in the regulation of food intake and weight. However, the mechanisms underlying the anorexigenic effects of oxytocin in humans are unknown and critical to study in order to consider oxytocin as a neurohormonal weight loss treatment. We performed a randomized, double-blind, placebo-controlled crossover study with single-dose intranasal oxytocin (24 IU) in ten overweight or obese, otherwise healthy men...
September 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28929339/intranasal-insulin-ameliorates-cerebral-hypometabolism-neuronal-loss-and-astrogliosis-in-streptozotocin-induced-alzheimer-s-rat-model
#6
Yanxing Chen, Zhangyu Guo, Yan-Fang Mao, Tingting Zheng, Baorong Zhang
Intracerebroventricular injection of streptozotocin (ICV-STZ) in rodents leads to cognitive impairments and several pathological changes like Alzheimer's disease (AD). However, there is hardly any research about the effect of ICV-STZ on regional cerebral glucose metabolism in rodents. Previous studies have demonstrated that intranasal insulin improves cognition in AD patients. However, the underlying mechanism remains elusive. Here, we treated the ICV-STZ rats with daily intranasal delivery of insulin (2 U/day) for 6 consecutive weeks, then monitored (18)F-fluorodeoxyglucose ((18)F-FDG) uptake using a high-resolution small-animal positron emission tomography (microPET) and studied the expression of neuronal nuclei (NeuN) and glial fibrillary acidic protein (GFAP) using immunohistochemical staining...
September 19, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28929104/increased-serum-and-urinary-oxytocin-concentrations-after-nasal-administration-in-beagle-dogs
#7
Andrea Temesi, Julianna Thuróczy, Lajos Balogh, Ádám Miklósi
In recent years more and more studies have revealed the effect of extraneous oxytocin on the social behavior of dogs. The distribution of administered oxytocin in different physiologically relevant compartments is important because this knowledge forms the basis for the timing of behavior tests after the administration. Most behavioral studies rely on the non-invasive intranasal application of oxytocin. The aim of this study was to determine the time course of intranasal administered oxytocin secretion into blood and urine and also establish a connection between intranasal received oxytocin and urinary cortisol in dogs...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28927491/effectiveness-of-intranasal-sodium-hyaluronate-in-mitigating-adverse-effects-of-nasal-continuous-positive-airway-pressure-therapy
#8
(no author information available yet)
BACKGROUND: Nasal continuous positive airway pressure (CPAP) in moderate-to-severe cases of obstructive sleep apnea cancause nasal discomfort and other undesirable problems. OBJECTIVE: The aim of our study was to test the effects of sodium hyaluronate on nasal problems that patients experienced in their daily lives, sleepiness, nasal resistance to airflow, nasal mucociliary clearance, changes in inflammatory markers, and compliance to CPAP in three groups of patients with obstructive sleep apnea syndrome on CPAP therapy...
September 19, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28926159/randomized-controlled-feasibility-trial-of-intranasal-ketamine-compared-to-intranasal-fentanyl-for-analgesia-in-children-with-suspected-extremity-fractures
#9
Stacy L Reynolds, Kathleen K Bryant, Jonathan R Studnek, Melanie Hogg, Connell Dunn, Megan A Templin, Charity G Moore, James R Young, Katherine Rivera Walker, Michael S Runyon
OBJECTIVE: We compared the tolerability and efficacy of intranasal sub-dissociative ketamine to intranasal fentanyl for analgesia of children with acute traumatic pain and investigated the feasibility of a larger non-inferiority trial that could investigate the potential opioid sparing effects of intranasal ketamine. METHODS: This randomized controlled trial compared intranasal ketamine 1 mg/kg to intranasal fentanyl 1.5 μg/kg in children 4-17 years old with acute pain from suspected, isolated extremity fractures presenting to an urban level II pediatric trauma center from December 2015 to November 2016...
September 19, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28925950/targeting-host-cell-surface-nucleolin-for-rsv-therapy-challenges-and-opportunities
#10
Peter Mastrangelo, Michael J Norris, Wenming Duan, Edward G Barrett, Theo J Moraes, Richard G Hegele
Nucleolin (NCL) has been reported as a cellular receptor for the human respiratory syncytial virus (RSV). We studied the effects of re-purposing AS1411, an anti-cancer compound that binds cell surface NCL, as a possible novel strategy for RSV therapy in vitro and in vivo. AS1411 was administered to RSV-infected cultures of non-polarized (HEp-2) and polarized (MDCK) epithelial cells and to virus-infected mice and cotton rats. Results of in vitro experiments showed that AS1411, used in micromolar concentrations, was associated with decreases in the number of virus-positive cells...
September 19, 2017: Vaccines
https://www.readbyqxmd.com/read/28924346/co-delivery-of-polyinosinic-polycytidylic-acid-and-flagellin-by-poly-lactic-co-glycolic-acid-mps-synergistically-enhances-immune-response-elicited-by-intranasally-delivered-hepatitis-b-surface-antigen
#11
Xiaojing Dai, Jintian He, Ruxia Zhang, Guanghao Wu, Fangfang Xiong, Baohua Zhao
The aim of the present work was to investigate the synergistic effect between toll-like receptor (TLR) 3 ligand polyinosinic:polycytidylic acid (pI:C) and TLR5 ligand flagellin (FLN) on immune responses induced by nasally delivered hepatitis B virus surface antigen (HBsAg). Mannan and chitosan oligosaccharide-modified, pH-responsive poly(lactic-co-glycolic acid) (MC-PLGA) microparticles (MPs) containing HBsAg, FLN, pI:C or both ligands were prepared with a double-emulsion method. In vitro uptake experiments show that cellular uptake of MC-PLGA MPs by macrophages was through energy-dependent, receptor-mediated endocytosis mechanism...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28923321/nose-to-brain-delivery-of-rivastigmine-by-in-situ-gelling-cationic-nanostructured-lipid-carriers-enhanced-brain-distribution-and-pharmacodynamics
#12
Preeti Wavikar, Rohan Pai, Pradeep Vavia
Present investigation explores the potential of Nanostructured Lipid Carriers (NLCs) for nose to brain delivery of Rivastigmine (RV), which is further enhanced by incorporating into an in-situ gelling system, increasing retention in nasal cavity. NLC's having particle size of 123.2±2.3 nm, entrapment efficiency of 68.3±3.4% and zeta potential of 32±1.2 mV was fabricated by a scalable method. Pharmacokinetics showed sustained release of intranasal (IN) and intravenous (IV) NLC's compared to RV solution by same route, with significantly higher AUC and Thalf...
September 15, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28922579/evaluating-real-time-effects-of-topical-1-1000-epinephrine-in-endoscopic-sinus-and-skull-base-surgery-on-hemodynamic-parameters-through-intraoperative-arterial-line-monitoring
#13
Michael T Yim, Omar G Ahmed, Masayoshi Takashima
BACKGROUND: Administration of topical 1:1000 epinephrine is commonly used in practice to achieve vasoconstriction during endoscopic sinus surgery and skull-base surgery; however, real-time effects on cardiovascular changes from systemic absorption have not been well studied. METHODS: Twenty-six patients undergoing endoscopic transsphenoidal resection of a pituitary lesion at a single institution were included into the study. Following arterial line placement by anesthesiology, 6 cottonoid pledgets soaked in 1:1000 epinephrine were placed into the bilateral nasal passages...
September 18, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28919832/seasonal-patterns-of-oral-antihistamine-and-intranasal-corticosteroid-purchases-from-australian-community-pharmacies-a-retrospective-observational-study
#14
A Simon Carney, David B Price, Pete K Smith, Richard Harvey, Vicky Kritikos, Sinthia Z Bosnic-Anticevich, Louise Christian, Derek A Skinner, Victoria Carter, Alice Ms Durieux
PURPOSE: To explore patterns in the purchase of prescription and over-the-counter (OTC) oral antihistamines (OAHs) and intranasal corticosteroids (INCSs) by patients, from pharmacies in different geographical regions of Australia. PATIENTS AND METHODS: Retrospective observational study using a database containing anonymous pharmacy transaction data from 20.0% of the pharmacies in Australia that link doctor prescriptions and OTC information. Pharmacy purchases of at least one prescription or OTC rhinitis treatment during 2013 and 2014 were assessed...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/28919220/peucedanum-japonicum-extract-attenuates-allergic-airway-inflammation-by-inhibiting-th2-cell-activation-and-production-of-pro-inflammatory-mediators
#15
Jin Mi Chun, A-Reum Lee, Hyo Seon Kim, A Yeong Lee, Gyo Jeong Gu, Byeong Cheol Moon, Bo-In Kwon
ETHNOPHARMACOLOGICAL RELEVANCE: The root of Peucedanum japonicum Thunb is traditionally used to treat coughs, colds, headache and inflammatory diseases in Korea and Japan. Its effects on allergic lung inflammation have not been investigated. AIM OF THE STUDY: To investigate the anti-asthmatic effects of Peucedanum japonicum extract (PJE) using a murine model of asthma and a lipopolysaccharide (LPS)-stimulated macrophage cell line. MATERIALS AND METHODS: Mice underwent two rounds of sensitization with ovalbumin 1 week apart followed by four intranasal ovalbumin challenges on days 13-16...
September 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28918916/olfactory-deficits-decrease-the-time-resolution-for-trigeminal-lateralization
#16
A Oleszkiewicz, T Meusel, M Güpfert, B Westermann, T Hummel, A Welge-Lüssen
OBJECTIVES: To date the temporal resolution of the detection of almost simultaneously applied intranasal trigeminal stimuli is unknown. The aim of our study was to examine this temporal resolution in an/hyposmic subjects, who are known to have reduced trigeminal sensitivity and compare it with healthy controls. METHODS: Participants were 20 posttraumatic an/hyposmic patients, and 23 healthy controls (matched with regard to sex and age). Olfactory function was tested psychophysically using the Sniffin´ Sticks test battery...
September 15, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28917991/enhanced-expression-of-pd-l1-and-ifn-%C3%AE-on-dendritic-cells-is-associated-with-bcg-induced-th2-inhibition
#17
A C C Gouveia, F G Braga, M Mota, F M C Silva, A S S Brugiolo, E E Oliveira, M C Ayupe, H C Teixeira, A P Ferreira
Accumulating evidence indicates that the exposure to Mycobacterium bovis bacillus Calmette-Guérin (BCG) prevents the development of allergy and the airway dendritic cells (DCs) may be involved in this protective effect. However, studies to better characterize the specific interactions between BCG and DCs and their role in this mycobacteria-mediated Th2 cell suppression are still ongoing. This study aimed to evaluate the effect of the neonatal BCG vaccination in the innate immune response in a mouse model of ovalbumin (OVA)-induced airway inflammation...
September 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28917988/a-comprehensive-screening-platform-for-aerosolizable-protein-formulations-for-intranasal-and-pulmonary-drug-delivery
#18
Martina Röhm, Stefan Carle, Frank Maigler, Johannes Flamm, Viktoria Kramer, Chrystelle Mavoungou, Otmar Schmid, Katharina Schindowski
Aerosolized administration of biopharmaceuticals to the airways is a promising route for nasal and pulmonary drug delivery, but - in contrast to small molecules - little is known about the effects of aerosolization on safety and efficacy of biopharmaceuticals. Proteins are sensitive against aerosolization-associated shear stress. Tailored formulations can shield proteins and enhance permeation, but formulation development requires extensive screening approaches. Thus, the aim of this study was to develop a cell-based in vitro technology platform that includes screening of protein quality after aerosolization and transepithelial permeation...
September 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28917981/intranasal-insulin-treatment-alleviates-methamphetamine-induced-anxiety-like-behavior-and-neuroinflammation
#19
Elmira Beirami, Shahrbanoo Oryan, Seyedeh Masoumeh Seyedhoseini Tamijani, Abolhassan Ahmadiani, Leila Dargahi
Insulin, as a peptide hormone, has recently gained attention for its pro-cognitive, anti-inflammatory and neuroprotective effects in the central nervous system (CNS). Most studies have indicated anxiogenic and neuroinflammatory effects of methamphetamine (MA) and other psychostimulants, even after periods of abstinence. The present study aimed to examine whether intranasal (IN) insulin treatment with high CNS bioavailability and minimal systemic side effects, can reverse the anxiety-like behavior and neuroinflammation induced by repeated MA administration...
September 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28917718/olfactory-toxicity-in-rats-following-manganese-chloride-nasal-instillation-a-pilot-study
#20
Melanie L Foster, Deepa B Rao, Taylor Francher, Samantha Traver, David C Dorman
Following inhalation, manganese travels along the olfactory nerve from the olfactory epithelium (OE) to the olfactory bulb (OB). Occupational exposure to inhaled manganese is associated with changes in olfactory function. This pilot study evaluated two related hypotheses: (a) intranasal manganese administration increases OE and OB manganese concentrations; and (b) intranasal manganese exposure impairs performance of previously trained rats on a go-no-go olfactory discrimination (OD) task. Male Fischer 344 rats were trained to either lever press ("go") in response to a positive conditioned stimulus (CS+: vanillin) or to do nothing ("no go") when a negative conditioned stimulus (CS-: amyl acetate) was present...
September 13, 2017: Neurotoxicology
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