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visual pharmacology

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https://www.readbyqxmd.com/read/28323038/monocular-denervation-of-visual-nuclei-modulates-app-processing-and-sapp%C3%AE-production-a-possible-role-on-neural-plasticity
#1
Juliana Ferreira Vasques, Pedro Vinícius Bastos Heringer, Renata Guedes de Jesus Gonçalves, Paula Campello-Costa, Claudio Alberto Serfaty, Adriana da Cunha Faria-Melibeu
Amyloid precursor protein (APP) is essential to physiological processes such as synapse formation and neural plasticity. Sequential proteolysis of APP by beta- and gamma-secretases generates amyloid-beta peptide (Aβ), the main component of senile plaques in Alzheimer Disease. Alternative APP cleavage by alpha-secretase occurs within Aβ domain, releasing soluble α-APP (sAPPα), a neurotrophic fragment. Among other functions, sAPPα is important to synaptogenesis, neural survival and axonal growth. APP and sAPPα levels are increased in models of neuroplasticity, which suggests an important role for APP and its metabolites, especially sAPPα, in the rearranging brain...
March 16, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28318967/pitch-strength-as-an-outcome-measure-for-treatment-of-dysphonia
#2
Lisa M Kopf, Cristina Jackson-Menaldi, Adam D Rubin, Jean Skeffington, Eric J Hunter, Mark D Skowronski, Rahul Shrivastav
BACKGROUND: Measurement of treatment outcomes is critical for the spectrum of voice treatments (ie, surgical, behavioral, or pharmacological). Outcome measures typically include visual (eg, stroboscopic data), auditory (eg, Consensus Auditory-Perceptual Evaluation of Voice; Grade, Roughness, Breathiness, Asthenia, Strain), and objective correlates of vocal fold vibratory characteristics, such as acoustic signals (eg, harmonics-to-noise ratio, cepstral peak prominence) or patient self-reported questionnaires (eg, Voice Handicap Index, Voice-Related Quality of Life)...
March 16, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28318898/distribution-and-levels-of-5-ht1b-receptors-in-anterior-cingulate-cortex-of-patients-with-bipolar-disorder-major-depressive-disorder-and-schizophrenia-an-autoradiography-study
#3
Emma R Veldman, Marie M Svedberg, Per Svenningsson, Johan Lundberg
The serotonin 1B receptor has recently received more interest as a possible new target for pharmacological treatment of psychiatric disorders. However, the exact mechanisms of action remain unclear. This study aimed to examine the binding distribution and levels of the serotonin 1B receptor in-depth in the anterior cingulate cortex (ACC) and provide more insight in its functional role in bipolar disorder (BD), major depressive disorder (MDD) and schizophrenia (SZ). Serotonin 1B receptor binding distribution was visualized with high resolution autoradiography (ARG), using the radioligand [(3)H]AZ10419369, in postmortem ACC tissue from patients diagnosed with BD (n=14), MDD (n=12), SZ (n=13) and healthy subjects (n=13)...
March 15, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28316568/towards-a-functional-understanding-of-pgo-waves
#4
REVIEW
Jarrod A Gott, David T J Liley, J Allan Hobson
Ponto-Geniculo-Occipital (PGO) waves are biphasic field potentials identified in a range of mammalian species that are ubiquitous with sleep, but can also be identified in waking perception and eye movement. Their role in REM sleep and visual perception more broadly may constitute a promising avenue for further research, however what was once an active field of study has recently fallen into stasis. With the reality that invasive recordings performed on animals cannot be replicated in humans; while animals themselves cannot convey experience to the extent required to elucidate how PGO waves factor into awareness and behavior, innovative solutions are required if significant research outcomes are to ever be realized...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28303261/long-lasting-visuo-vestibular-mismatch-in-freely-behaving-mice-reduces-the-vestibulo-ocular-reflex-and-leads-to-neural-changes-in-the-direct-vestibular-pathway
#5
Julie Carcaud, Filipa França de Barros, Erwin Idoux, Daniel Eugène, Lionel Reveret, Lee E Moore, Pierre-Paul Vidal, Mathieu Beraneck
Calibration of the vestibulo-ocular reflex (VOR) depends on the presence of visual feedback. However, the cellular mechanisms associated with VOR modifications at the level of the brainstem remain largely unknown. A new protocol was designed to expose freely behaving mice to a visuo-vestibular mismatch during a 2-week period. This protocol induced a 50% reduction of the VOR. In vivo pharmacological experiments demonstrated that the VOR reduction depends on changes located outside the flocculus/paraflocculus complex...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28292194/clinical-utility-of-sympathetic-blockade-in-cardiovascular-disease-management
#6
Chan Soon Park, Hae-Young Lee
A dysregulated sympathetic nervous system is a major factor in the development and progression of cardiovascular disease; thus, understanding the mechanism and function of the sympathetic nervous system and appropriately regulating sympathetic activity to treat various cardiovascular diseases are crucial. Areas covered: This review focused on previous studies in managing hypertension, atrial fibrillation, coronary artery disease, heart failure, and perioperative management with sympathetic blockade. We reviewed both pharmacological and non-pharmacological management...
March 15, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28287863/music-therapy-as-a-nonpharmacological-intervention-for-anxiety-in-patients-with-a-thought-disorder
#7
Allison Pavlov, Kirstyn Kameg, Tom W Cline, Laurel Chiapetta, Stacy Stark, Ann M Mitchell
Music therapy has been identified as a non-pharmacological adjunct therapy to treat anxiety. This QI project aimed to assess the effects of music therapy on anxiety in a sample of patients hospitalized with a thought disorder. Participants were assessed pre- and post-group using a visual analog scale for anxiety. The intervention significantly reduced VAS scores from 3.1 pre-intervention to .897 immediately post-intervention (p = 0.008). This data suggests that music therapy may be beneficial in the short term for this population and is a low risk intervention that provides positive outcomes without the risks associated with medications, seclusion, and restraint...
March 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28287246/the-natural-compound-sanguinarine-perturbs-the-regenerative-capabilities-of-planarians
#8
Linda Balestrini, Alessia Di Donfrancesco, Leonardo Rossi, Silvia Marracci, Maria E Isolani, Anna M Bianucci, Renata Batistoni
The natural alkaloid sanguinarine has remarkable therapeutic properties and has been used for centuries as a folk remedy. This compound exhibits interesting anticancer properties and is currently receiving attention as a potential chemotherapeutic agent. Nevertheless, limited information exists regarding its safety for developing organisms. Planarians are an animal model known for their extraordinary stem cell-based regenerative capabilities and are increasingly used for toxicological and pharmacological studies...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28285324/novel-therapeutics-for-stargardt-disease
#9
REVIEW
Louise J Lu, Ji Liu, Ron A Adelman
DESCRIPTION OF SITUATION: Stargardt disease, an inherited macular dystrophy caused by mutations in the ABCA4 gene encoding a retinal transporter protein, is the most prevalent form of macular degeneration in children. Patients with Stargardt disease develop severe vision loss within their first or second decades of life, which progresses to irreversible decreased visual acuity in almost all cases. Presently, there are no standard treatments for Stargardt disease. However, encouraging progress has been made in the development of innovative approaches to preventing vision loss in Stargardt patients...
March 11, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28284903/ocular-and-visual-disorders-in-parkinson-s-disease-common-but-frequently-overlooked
#10
REVIEW
Merel S Ekker, Sabine Janssen, Klaus Seppi, Werner Poewe, Nienke M de Vries, Thomas Theelen, Jorik Nonnekes, Bastiaan R Bloem
Patients with Parkinson's disease (PD) often compensate for their motor deficits by guiding their movements visually. A wide range of ocular and visual disorders threatens the patients' ability to benefit optimally from visual feedback. These disorders are common in patients with PD, yet they have received little attention in both research and clinical practice, leading to unnecessary - but possibly treatable - disability. Based on a literature search covering 50 years, we review the range of ocular and visual disorders in patients with PD, and classify these according to anatomical structures of the visual pathway...
February 21, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28284708/visual-experience-regulates-the-development-of-long-term-synaptic-modifications-induced-by-low-frequency-stimulation-in-mouse-visual-cortex
#11
Taketoshi Sugimura, Mariko Yamamoto, Kazumasa Yamada, Yukio Komatsu, Yumiko Yoshimura
Manipulation of visual experience can considerably modify visual responses of visual cortical neurons even in adulthood in the mouse, although the modification is less profound than that observed during the critical period. Our previous studies demonstrated that low-frequency (2Hz) stimulation for 15min applied to layer 4 induces T-type Ca(2+) channel-dependent long-term potentiation (LTP) at excitatory synapses in layer 2/3 neurons of visual cortex during the critical period. In this study, we investigated whether low-frequency stimulation could induce synaptic plasticity in adult mice...
March 8, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28284323/optimizing-drug-delivery-in-copd-the-role-of-inhaler-devices
#12
REVIEW
Paola Rogliani, Luigino Calzetta, Angelo Coppola, Francesco Cavalli, Josuel Ora, Ermanno Puxeddu, Maria Gabriella Matera, Mario Cazzola
Inhaled medication is the cornerstone of the pharmacological treatment for patients with asthma and chronic obstructive pulmonary disease (COPD). Several inhaler devices exist, and each device has specific characteristics to achieve the optimal inhalation of drugs. The correct use of inhaler devices is not granted and patients may incur in mistakes when using pressurized metered-dose inhalers (pMDIs) or dry-powder inhaler (DPIs). The incorrect use of inhaler devices can lead to a poorly controlled disease status...
March 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28283760/single-blind-randomized-pilot-study-combining-shiatsu-and-amitriptyline-in-refractory-primary-headaches
#13
Veronica Villani, Luca Prosperini, Fulvio Palombini, Francesco Orzi, Giuliano Sette
Complementary alternative medicine, such as shiatsu, can represent a suitable treatment for primary headaches. However, evidence-based data about the effect of combining shiatsu and pharmacological treatments are still not available. Therefore, we tested the efficacy and safety of combining shiatsu and amitriptyline to treat refractory primary headaches in a single-blind, randomized, pilot study. Subjects with a diagnosis of primary headache and who experienced lack of response to ≥2 different prophylactic drugs were randomized in a 1:1:1 ratio to receive shiatsu plus amitriptyline, shiatsu alone, or amitriptyline alone for 3 months...
March 10, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28272490/distribution-analysis-via-mass-spectrometry-imaging-of-ephedrine-in-the-lungs-of-rats-orally-administered-the-japanese-kampo-medicine-maoto
#14
Takashi Matsumoto, Hirotaka Kushida, Shoko Matsushita, Yoshiyuki Oyama, Takafumi Suda, Junko Watanabe, Yoshio Kase, Mitsutoshi Setou
Maoto, a traditional Japanese Kampo medicine, has been used to treat various respiratory diseases, including respiratory infections and influenza. Ephedrine (EPD), the main ingredient in maoto, is also clinically used to treat respiratory diseases. However, the pharmacokinetics and distribution of EPD in the lungs after the administration of maoto have not been demonstrated. This study aimed to determine the concentrations, distribution, and pharmacokinetics of EPD and its precursor methylephedrine (MEPD) in the lungs of rats orally administered maoto (1 and 4 g/kg)...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28258263/evaluation-of-the-role-of-music-as-a-nonpharmacological-technique-in-management-of-child-patients
#15
Neha Gupta, Himanshu Gupta, Prahlad Gupta, Nidhi Gupta
INTRODUCTION: Behavior management and reducing anxiety and pain are very important for success of treatment. Hence, apart from pharmacological management, such as conscious sedation, nonpharmacological interventions like music play a significant role. This study aims to evaluate the effects of music in reducing anxiety, pain, and behavior management. MATERIALS AND METHODS: This study was conducted at the Department of Pedodontics in 2015. It consisted of 60 patients, age ranging from 3 to 7 years, who required dental treatment with local anesthesia...
March 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28249240/identification-of-novel-dual-specificity-phosphatase-26-inhibitors-by-a-hybrid-virtual-screening-approach-based-on-pharmacophore-and-molecular-docking
#16
Ji-Xia Ren, Zhong Cheng, Yu-Xin Huang, Jing-Feng Zhao, Peng Guo, Zhong-Mei Zou, Yong Xie
Dual-specificity phosphatase 26 (DUSP26) has recently emerged as a target for treatment of human cancers. However, only two small-molecule inhibitors of DUSP26 are known so far, namely NSC-87877 and ethyl-3, 4-dephostatin. DUSP26 contains an N-terminal region (residues 1-60) and a conserved C-terminal catalytic domain (residues 61-211, DUSP26-C). The crystal structure of DUSP26-C, showing a catalytically inactive conformation of the active site, was reported in a previous study. However, the detailed catalytic mechanism of DUSP26 cannot be described based on that structure...
February 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28243183/multidisciplinary-management-of-sexual-dysfunction-perineal-pain-and-elimination-dysfunction-in-a-woman-with-multiple-sclerosis
#17
Michela Miletta, Fabrizio Bogliatto, Leonardo Bacchio
BACKGROUND: Multiple sclerosis (MS) is a chronic disease that commonly affects young women and is associated with sexual dysfunction (SD) and lower anourogenital dysfunction, which affect quality of life. We evaluated the importance of an integrated multidisciplinary approach in the Lower Female Ano-Uro-Genital Network (LFAUGN) to manage a variety of complex symptoms. METHODS: A 40-year-old woman with MS and primary concerns about perineal pain and SD was treated by a trained midwife from the LFAUGN and a physical therapist after a multidisciplinary diagnostic process that included gynecologic evaluation for perineal pain and SD, physiatric assessment, urologic assessment for bladder retention (BR), and surgical examination for obstructed defecation syndrome (ODS)...
January 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/28225826/assessing-mycoplasma-contamination-of-cell-cultures-by-qpcr-using-a-set-of-universal-primer-pairs-targeting-a-1-5-kb-fragment-of-16s-rrna-genes
#18
Audrey Jean, Florence Tardy, Omran Allatif, Isabelle Grosjean, Bariza Blanquier, Denis Gerlier
Mycoplasmas (a generic name for Mollicutes) are a predominant bacterial contaminant of cell culture and cell derived products including viruses. This prokaryote class is characterized by very small size and lack of a cell wall. Consequently, mycoplasmas escape ultrafiltration and visualization under routine microscopic examination, hence the ease with which cells in culture can be contaminated, with routinely more than 10% of cell lines being contaminated. Mycoplasma are a formidable threat both in fundamental research by perverting a whole range of cell properties and functions and in the pharmacological use of cells and cell derived products...
2017: PloS One
https://www.readbyqxmd.com/read/28217868/an-anti-nicotinic-cognitive-challenge-model-using-mecamylamine-in-comparison-with-the-anti-muscarinic-cognitive-challenge-using-scopolamine
#19
A C Baakman, R Alvarez-Jimenez, R Rissmann, E S Klaassen, J Stevens, S C Goulooze, J Burger, E L Swart, J M A van Gerven, G J Groeneveld
INTRODUCTION: The muscarinic acetylcholine receptor antagonist scopolamine is often used for proof-of-pharmacology studies with pro-cognitive compounds. From a pharmacological point of view, it would seem more rational to use a nicotinic rather than a muscarinic anticholinergic challenge to prove pharmacology of a nicotinic acetylcholine receptor agonist. This study aims to characterize a nicotinic anticholinergic challenge model using mecamylamine and to compare it to the scopolamine model...
February 20, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28216858/impact-of-scrambler-therapy-on-pain-management-and-quality-of-life-in-cancer-patients-a-study-of-twenty-cases
#20
Komal Kashyap, Saurabh Joshi, Saurabh Vig, Vishwajeet Singh, Sushma Bhatnagar
AIM OF THE STUDY: To study the effect of scrambler therapy on patients with chronic cancer pain. MATERIALS AND METHODS: This is a prospective, observational study conducted on patients with chronic pain due to malignancy which is not responding to oral analgesics. A total of twenty patients were included in the study (ten males, ten females) with a visual analog scale score of >4 on oral analgesics. Patients aged 18-70 years with a life expectancy of >3 months having bony, neuropathic, or mixed type of pain were included in the study...
January 2017: Indian Journal of Palliative Care
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