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https://www.readbyqxmd.com/read/28426550/neuropathic-pain-after-chronic-nerve-constriction-may-not-correlate-with-chloride-dysregulation-in-mouse-trigeminal-nucleus-caudalis-neurons
#1
Alberto Castro, Ying Li, Charles Raver, Ramesh Chandra, Radi Masri, Mary Kay Lobo, Asaf Keller
Changes in chloride reversal potential in rat spinal cord neurons have previously been associated with persistent pain in nerve injury and inflammation models. These changes correlate with a decrease in the expression of the potassium% chloride transporter, KCC2, and with increases in neuronal excitability. Here, we test the hypothesis that similar changes occur in mice with neuropathic pain induced by chronic constriction injury of the trigeminal infraorbital nerve (CCI¬-ION). This model allows us to distinguish an acute pain phase (3-¬5 days after injury) from a persistent pain phase (12¬-14 days after CCI-¬ION)...
April 18, 2017: Pain
https://www.readbyqxmd.com/read/28425114/a-multi-institutional-joint-study-of-contact-dermatitis-related-to-hair-colouring-and-perming-agents-in-japan
#2
Akiko Ito, Kazue Nishioka, Hiromi Kanto, Akiko Yagami, Shigeki Yamada, Mariko Sugiura, Chihiro Yasunaga, Keiko Yoshii, Hiromi Kobayashi, Atsuko Adachi, Yuko Ikezawa, Kumiko Washizaki, Shigeki Inui, Hitoshi Miyazawa, Naoki Oiso, Tokio Nakata, Kayoko Matsunaga
BACKGROUND: In Japan, allergic contact dermatitis caused by hair colouring agents is a considerable problem for those occupationally exposed and also for consumers. Over the last 20 years, p-phenylenediamine (PPD) has been a common allergen, with ∼7% positive patch test reactions. OBJECTIVES: To investigate which ingredients caused allergic contact dermatitis related to hair dye and perming solutions in Japan, to assess whether PPD is suitable for screening for hair dye allergy, and to propose allergens for a Japanese hairdresser series...
April 20, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28421670/an-epidemic-of-allergic-contact-dermatitis-caused-by-a-new-allergen-caprylhydroxamic-acid-in-moisturizers
#3
Leena Ackermann, Hannele Virtanen, Laura Korhonen, Arja Laukkanen, Laura Huilaja, Riitta Riekki, Taina Hasan
BACKGROUND: In 2016, dermatologists in Finland suspected contact allergy in several patients using moisturizers under the trade name Apobase®. Following a formulation change, Phenostat™, which is a mixture of phenoxyethanol, caprylhydroxamic acid, and methylpropanediol, was used as a preservative in Apobase® moisturizers in Finland. OBJECTIVES: To confirm the suspected contact allergy to Apobase® cream, oily cream, and/or lotion, and to identify the specific contact allergen and define its optimal patch test concentration...
April 19, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28420106/temporary-black-henna-tattoos-and-sensitization-to-para-phenylenediamine-ppd-two-paediatric-case-reports-and-a-review-of-the-literature
#4
Elisa Panfili, Susanna Esposito, Giuseppe Di Cara
Background: The use of temporary henna tattoos has increased dramatically in recent years, especially in children and adolescents. To obtain a darker colour and prolong the life of the tattoo, red henna, a plant-derived substance, is typically added to para-phenylenediamine (PPD). The mixture is called temporary black henna tattoo (TBHT). Because of its molecular characteristics, PPD can induce skin sensitization that may cause various clinical manifestations with successive exposures, among which the most common is allergic contact dermatitis (ACD)...
April 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28419410/selective-and-state-dependent-activation-of-tresk-background-potassium-channel-by-cloxyquin
#5
Miklós Lengyel, Alice Dobolyi, Gábor Czirják, Péter Enyedi
BACKGROUND AND PURPOSE: Cloxyquin (5-cloroquinolin-8-ol) has been previously described as an activator of TRESK (K2P 18.1, TWIK-related spinal cord K(+) channel) background potassium channel. We have examined the specificity of the drug by testing several K2P channels. We have investigated the mechanism of cloxyquin-mediated TRESK activation, focusing on the differences between the physiologically relevant regulatory states of the channel. EXPERIMENTAL APPROACH: Potassium currents were measured by two-electrode voltage clamp in Xenopus oocytes and by whole-cell patch clamp in mouse dorsal root ganglion (DRG) neurons...
April 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28418204/modeling-aesthetics-to-support-an-ecosystem-services-approach-for-natural-resource-management-decision-making
#6
Pieter N Booth, Sheryl A Law, Jane Ma, John Buonogurio, James Boyd, Jessica Turnley
This paper reviews literature on aesthetics and describes the development of vista and landscape aesthetics models. Spatially explicit variables were chosen to represent physical characteristics of natural landscapes that are important to aesthetic preferences. A vista aesthetics model evaluates the aesthetics of natural landscapes viewed from distances over 1,000 m. and a landscape aesthetics model evaluates the aesthetic value of wetlands and forests within 1,000 m from the viewer. Each of the model variables is quantified using spatially-explicit metrics on a pixel-specific basis within EcoAIM™, a GIS-based ecosystem services decision analysis support tool...
April 18, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28417339/expression-and-function-of-the-small-conductance-ca-2-activated-k-channel-is-decreased-in-urinary-bladder-smooth-muscle-cells-from-female-guinea-pig-with-partial-bladder-outlet-obstruction
#7
Ning Li, Honglin Ding, Xiaoning He, Zizheng Li, Yili Liu
PURPOSE: Overactive bladder (OAB), usually accompanied by partial bladder outlet obstruction (PBOO), is associated with detrusor overactivity (DO) which is related to the increased urinary bladder smooth muscle (UBSM) cells excitability. Small-conductance Ca(2+)-activated K(+) (SK) channels play a constitutive regulatory role of UBSM excitability and contractility. PBOO is associated with the decreased SK channels mRNA expression and the attenuated regulative effect of SK channels on UBSM contractility...
April 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28416694/experimental-dispersal-reveals-characteristic-scales-of-biodiversity-in-a-natural-landscape
#8
Rachel M Germain, Sharon Y Strauss, Benjamin Gilbert
Ecological theory posits that dispersal among habitat patches links local communities and is a key "regional" process that maintains biological diversity. However, manipulations required to experimentally test regional processes are infeasible for most systems, and thus more work is needed to detect the scales at which regional processes manifest and their overall effect on diversity. In a Californian grassland, a hotspot for global biodiversity, we used a seed vacuum to increase dispersal at spatial scales varying from 1 m to 10 km while maintaining a realistic spatial structure of species pools and environmental conditions...
April 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28416298/-epicutaneous-patch-testing-in-delayed-drug-hypersensitivity-reactions-induced-by-antiepileptic-drugs
#9
Lobna Ben Mahmoud, Najla Bahloul, Hanen Ghozzi, Brahim Kammoun, Ahmed Hakim, Zouheir Sahnoun, Sami Kammoun, Khaled Zeghal
INTRODUCTION: Antiepileptic drugs are widely used and are associated with numerous side effects including skin eruptions. Epicutaneous tests have been used with variable success in skin drug reactions. The purpose of this study was to evaluate the profitability of epicutaneous tests in delayed hypersensitivity reactions induced by antiepileptic drugs. METHODS: We analyzed all cases of allergic skin reactions to antiepileptic drugs notified in regional pharmacovigilance center of Sfax (Tunisia) between June 1, 2014 and April 30, 2016...
March 25, 2017: Thérapie
https://www.readbyqxmd.com/read/28415979/behavioral-activation-for-smoking-cessation-and-mood-management-following-a-cardiac-event-results-of-a-pilot-randomized-controlled-trial
#10
Andrew M Busch, Erin M Tooley, Shira Dunsiger, Elizabeth A Chattillion, John Fani Srour, Sherry L Pagoto, Christopher W Kahler, Belinda Borrelli
BACKGROUND: Smoking cessation following hospitalization for Acute Coronary Syndrome (ACS) significantly reduces subsequent mortality. Depressed mood is a major barrier to cessation post-ACS. Although existing counseling treatments address smoking and depression independently in ACS patients, no integrated treatment addresses both. We developed an integrated treatment combining gold standard cessation counseling with behavioral activation-based mood management; Behavioral Activation Treatment for Cardiac Smokers (BAT-CS)...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28414672/a-strong-and-fortuitous-case-of-dyspnea
#11
R Hammer, M Sciaudone
CASE: A 48 year-old man with no past medical history was sent to our emergency department (ED); from a primary care clinic for hypertensive urgency of 200/130. The man reported an intermittent non-productive cough of approximately one year's duration and worsening dyspnea on exertion and orthopnea over the last month with lower extremity swelling. Of note, he emigrated from Honduras twenty years ago. Blood pressure normalized with administration of Lasix in the ED. Physical exam revealed rales in lung bases bilaterally, jugular venous distension, lower extremity pitting edema with serpiginous patches of erythema and excoriation, and a cardiac gallop...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414661/delayed-presentation-of-tuberour-sclerosis-complex-in-adult-women
#12
J Manalac, S Sadd, G Akoghlanian, T Benoit-Clark
INTRODUCTION: Tuberous sclerosis complex (TSC); is an autosomal dominant disorder characterized by the formation of hamartomatous lesions in multiple organs, with a birth incidence of around one in 10,000. Although it usually manifests itself in early life, we present a case of an adult woman who we diagnosed with TSC. CASE: A 27 year old woman presented to Emergency Department with worsening right flank pain and progressive dyspnea. Physical examination findings revealed Shagreen patches and multiple angiomyolipomas of the skin...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413816/spectroscopic-and-afm-characterization-of-polypeptide-surface-interactions-controls-and-lipid-quantitative-analyses
#13
Øyvind Strømland, Ørjan S Handegård, Morten L Govasli, Hanzhen Wen, Samuel Furse, Øyvind Halskau
This article is related to http://dx.doi.org/10.1016/j.bbamem.2017.01.005 (Ø. Strømland, Ø.S. Handegård, M.L. Govasli, H. Wen, Ø. Halskau, 2017) [1]. In protein and polypeptide-membrane interaction studies, negatively charged lipids are often used as they are a known driver for membrane interaction. When using fluorescence spectroscopy and CD as indicators of polypeptide binding and conformational change, respectively, the effect of zwitterionic lipids only should be documented. The present data documents several aspects of how two engineered polypeptides (A-Cage-C and A-Lnk-C) derived from the membrane associating protein alpha-Lactalbumin affects and are affected by the presence of zwitterionic bilayers in the form of vesicles...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28411766/a-review-of-the-impact-of-patch-testing-on-quality-of-life-in-allergic-contact-dermatitis
#14
Faustine Ramirez, Mary-Margaret Chren, Nina Botto
No abstract text is available yet for this article.
May 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28410026/variation-in-growth-drives-the-duration-of-parental-care-a-test-of-ydenberg-s-model
#15
Kyle H Elliott, Jannie F Linnebjerg, Chantelle Burke, Anthony J Gaston, Anders Mosbech, Morten Frederiksen, Flemming Merkel
The duration of parental care in animals varies widely, from none to lifelong. Such variation is typically thought to represent a trade-off between growth and safety. Seabirds show wide variation in the age at which offspring leave the nest, making them ideal to test the idea that a trade-off between high energy gain at sea and high safety at the nest drives variation in departure age (Ydenberg's model). To directly test the model assumptions, we attached time-depth recorders to murre parents (fathers [which do all parental care at sea] and mothers; [Formula: see text] of each)...
May 2017: American Naturalist
https://www.readbyqxmd.com/read/28407984/review-allergic-contact-stomatitis
#16
REVIEW
Liviu Feller, Neil Hamilton Wood, Razia Abdool Gafaar Khammissa, Johan Lemmer
Allergic contact stomatitis (ACS) is an oral mucosal immunoinflammatory disorder variably characterized clinically by erythematous plaques, vesiculation, ulceration, and/or hyperkeratosis and by pain, burning sensation, or itchiness. ACS is brought about by a T cell-mediated, delayed hypersensitivity immune reaction generated by a second or subsequent contact exposure of an allergen with the oral mucosa, in a genetically susceptible, sensitized subject. Lichenoid contact reaction is a variant of ACS brought about by direct contact with the oral mucosa of certain metals in dental restorations...
May 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28406344/fabrication-and-evaluation-of-eudragit%C3%A2-polymeric-films-for-transdermal-delivery-of-piroxicam
#17
Doungdaw Chantasart, Preeda Tocanitchart, Amaraporn Wongrakpanich, Veerawat Teeranachaideekul, Varaporn Buraphacheep Junyaprasert
The aims of this work were to develop and characterize the prolonged release piroxicam transdermal patch as a prototype to substitute oral formulations, to reduce side effects and improve patient compliance. The patches were composed of film formers (Eudragit(®)) as a matrix backbone, with PVC as a backing membrane and PEG200 used as a plasticizer. Results from X-ray diffraction patterns and Fourier transform-infrared spectroscopy indicated that loading piroxicam into films changed the drug crystallinity from needle to an amorphous or dissolved form...
April 13, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28405912/continuous-transdermal-delivery-of-l-dopa-based-on-a-self-assembling-nanomicellar-system
#18
Amnon C Sintov, Haim V Levy, Igor Greenberg
PURPOSE: When levodopa (L-DOPA) is administered orally, it is eliminated from the body very quickly resulting in a series of sharp fluctuations in its blood concentrations. These frequent changes in blood levels are considered to be responsible for the development of late motor complications and dyskinesias, which are troubling clinical and treatment issues in Parkinson's disease. Transdermal drug delivery is a patient-compliant method for delivering therapeutics into the systemic circulation in a continuous and controlled manner...
April 12, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28405275/the-reproductive-potential-and-importance-of-key-management-aspects-for-successful-calluna-vulgaris-rejuvenation-on-abandoned-continental-heaths
#19
Katrin Henning, Goddert von Oheimb, Werner Härdtle, Andreas Fichtner, Sabine Tischew
The abandonment of traditional pastoralism as well as the use of heath areas for military purposes has had a major impact on dry heaths in the Continental biogeographical region of Europe, causing severe degradation of its key species Calluna vulgaris (L.) HULL. The reproductive potential of this species in a Continental climate is assumed to be low, although there is yet no observational or experimental evidence for this. More knowledge is also needed about cost-effective and sustainable measures to restore abandoned dry heaths in this biogeographical region, because traditional management options are often too expensive (e...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28405035/safety-and-efficacy-of-transdermal-buprenorphine-versus-oral-tramadol-for-the-treatment-of-post-operative-pain-following-surgery-for-fracture-neck-of-femur-a-prospective-randomised-clinical-study
#20
Sameer N Desai, Santhoshi V Badiger, Shreesha B Tokur, Prashanth A Naik
BACKGROUND: Transdermal buprenorphine, which is used in chronic pain management, has rarely been studied for use in acute pain management. The aim of this study was to compare the safety and efficacy of transdermal buprenorphine patch to oral tramadol for post-operative analgesia, following proximal femur surgeries. METHODOLOGY: Fifty adult patients undergoing surgery for hip fracture under spinal anaesthesia were included in this study. One group (Group TDB) received transdermal buprenorphine 10 mcg/h patch applied a day before the surgery and other group received oral tramadol 50 mg three times a day for analgesia (Group OT)...
March 2017: Indian Journal of Anaesthesia
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