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https://www.readbyqxmd.com/read/28213106/oral-treatment-with-essential-oil-of-hyptis-spicigera-lam-lamiaceae-reduces-acute-pain-and-inflammation-in-mice-potential-interactions-with-transient-receptor-potential-trp-ion-channels
#1
Róli Rodrigues Simões, Igor Dos Santos Coelho, Stella Célio Junqueira, Glauce Regina Pigatto, Marcos José Salvador, Adair Roberto Soares Santos, Felipe Meira de Faria
ETHNOPHARMACOLOGICAL RELEVANCE: The genus Hyptis comprehends almost 400 species widespread in tropical and temperate regions of America. The use of Hyptis spicigera Lam. (Lamiaceae) is reported in traditional medicine due to its gastroprotective, anti-inflammatory and analgesic properties. AIM OF THE STUDY: The rationale of this study was to investigate the potential use of the essential oil of H. spicigera (EOHs) as analgesic. MATERIAL AND METHODS: The antinociceptive effect of EOHs was verified analyzing acute nocifensive behavior of mice induced by chemical noxious stimuli [i...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28210403/an-overview-of-maxillofacial-trauma-in-oral-and-maxillofacial-tertiary-trauma-centre-queen-elizabeth-hospital-kota-kinabalu-sabah
#2
Chee Wei Lee, Qi Chao Foo, Ling Vuan Wong, Yiu Yan Leung
The aims of this study were to provide an overview of maxillofacial trauma and its relationship to patient's demographic data and alcohol consumption within the state of Sabah. It was a retrospective study of maxillofacial trauma cases treated by Oral and Maxillofacial Surgery Department, Queen Elizabeth Hospital, Kota Kinabalu, Sabah, from January 1, 2009, until December 31, 2013. A total of 630 maxillofacial trauma cases were included. Details of the trauma were collected from patients' record, including patients' cause of injuries, injuries suffered, treatment indications, and treatment received...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28205575/cu-ii-atsm-improves-the-neurological-phenotype-and-survival-of-sod1-g93a-mice-and-selectively-increases-enzymatically-active-sod1-in-the-spinal-cord
#3
James B Hilton, Stephen W Mercer, Nastasia K H Lim, Noel G Faux, Gojko Buncic, Joseph S Beckman, Blaine R Roberts, Paul S Donnelly, Anthony R White, Peter J Crouch
Ubiquitous expression of mutant Cu/Zn-superoxide dismutase (SOD1) selectively affects motor neurons in the central nervous system (CNS), causing the adult-onset degenerative disease amyotrophic lateral sclerosis (ALS). The CNS-specific impact of ubiquitous mutant SOD1 expression is recapitulated in transgenic mouse models of the disease. Here we present outcomes for the metallo-complex Cu(II)(atsm) tested for therapeutic efficacy in mice expressing SOD1(G93A) on a mixed genetic background. Oral administration of Cu(II)(atsm) delayed the onset of neurological symptoms, improved locomotive capacity and extended overall survival...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28203479/metformin-impairs-spatial-memory-and-visual-acuity-in-old-male-mice
#4
Nopporn Thangthaeng, Margaret Rutledge, Jessica M Wong, Philip H Vann, Michael J Forster, Nathalie Sumien
Metformin is an oral anti-diabetic used as first-line therapy for type 2 diabetes. Because benefits of metformin extend beyond diabetes to other age-related pathology, and because its effect on gene expression profiles resembles that of caloric restriction, metformin has a potential as an anti-aging intervention and may soon be assessed as an intervention to extend healthspan. However, beneficial actions of metformin in the central nervous system have not been clearly established. The current study examined the effect of chronic oral metformin treatment on motor and cognitive function when initiated in young, middle-aged, or old male mice...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28203140/tamoxifen-activation-of-cre-recombinase-has-no-persisting-effects-on-adult-neurogenesis-or-learning-and-anxiety
#5
Peter Rotheneichner, Pasquale Romanelli, Lara Bieler, Sebastian Pagitsch, Pia Zaunmair, Christina Kreutzer, Richard König, Julia Marschallinger, Ludwig Aigner, Sébastien Couillard-Després
Adult neurogenesis is a tightly regulated process continuously taking place in the central nervous system of most mammalian species. In neuroscience research, transgenic animals bearing the tamoxifen-inducible CreER(T2)-Lox system are widely used. In this study, we made use of a Nestin-CreER(T2)/R26R-YFP transgenic mouse model in which the CreER(T2) activates the expression of YFP in multipotent neural stem cells upon tamoxifen application. Humoral factors, such as the levels of estrogens, have been reported to affect the hippocampal neurogenesis...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28199020/gemfibrozil-food-and-drug-administration-approved-lipid-lowering-drug-increases-longevity-in-mouse-model-of-late-infantile-neuronal-ceroid-lipofuscinosis
#6
Arunava Ghosh, Suresh Babu Rangasamy, Khushbu K Modi, Kalipada Pahan
Late Infantile Neuronal Ceroid Lipofuscinosis (LINCL) is a rare neurodegenerative disease caused by mutations in the Cln2 gene that leads to deficiency or loss of function of the tripeptidyl peptidase 1 (TPP1) enzyme. TPP1 deficiency is known to cause the accumulation of autofluoroscent lipid-protein pigments in brain. Similar to other neurodegenerative disorders, LINCL is also associated with neuroinflammation and neuronal damage. Despite investigations, no effective therapy is currently available for LINCL...
February 15, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28197100/rho-kinase-inhibition-with-fasudil-in-the-sod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis-symptomatic-treatment-potential-after-disease-onset
#7
René Günther, Alexander Balck, Jan C Koch, Tobias Nientiedt, Michael Sereda, Mathias Bähr, Paul Lingor, Lars Tönges
Despite an improved understanding of the genetic background and the pathomechanisms of amyotrophic lateral sclerosis (ALS) no novel disease-modifying therapies have been successfully implemented in clinical routine. Riluzole still remains the only clinically approved substance in human ALS treatment with limited efficacy. We have previously identified pharmacological rho kinase (ROCK) inhibitors as orally applicable substances in SOD1.G93A transgenic ALS mice (SOD1(G93A)), which are able to extend survival time and improve motor function after presymptomatic treatment...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28195525/observing-others-speak-or-sing-activates-spt-and-neighboring-parietal-cortex
#8
Daniele Corbo, Guy A Orban
To obtain further evidence that action observation can serve as a proxy for action execution and planning in posterior parietal cortex, we scanned participants while they were (1) observing two classes of action: vocal communication and oral manipulation, which share the same effector but differ in nature, and (2) rehearsing and listening to nonsense sentences to localize area Spt, thought to be involved in audio-motor transformation during speech. Using this localizer, we found that Spt is specifically activated by vocal communication, indicating that Spt is not only involved in planning speech but also in observing vocal communication actions...
February 14, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28195228/ejaculation-and-sperm-characteristics-in-men-with-cauda-equina-and-conus-medullaris-syndromes
#9
N Hadiji, R Mieusset, J G Previnaire, E Castel-Lacanal, J M Soler
STUDY DESIGN: Retrospective. OBJECTIVES: The objective of the study was to describe the type of ejaculation in patients with cauda equina (CE) and conus medullaris (CM) lesions, and to analyse sperm quality. SETTING: France. METHODS: One hundred sixty-six patients with CE and CM lesions were included. Diagnosis was based on clinical (no motor responses, sensation or sacral reflexes) and urodynamic assessments (no detrusor activity)...
February 14, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28194098/spatiotemporal-profiles-of-proprioception-processed-by-the-masseter-muscle-spindles-in-rat-cerebral-cortex-an-optical-imaging-study
#10
Satoshi Fujita, Mari Kaneko, Hiroko Nakamura, Masayuki Kobayashi
Muscle spindles in the jaw-closing muscles, which are innervated by trigeminal mesencephalic neurons (MesV neurons), control the strength of occlusion and the position of the mandible. The mechanisms underlying cortical processing of proprioceptive information are critical to understanding how sensory information from the masticatory muscles regulates orofacial motor function. However, these mechanisms are mostly unknown. The present study aimed to identify the regions that process proprioception of the jaw-closing muscles using in vivo optical imaging with a voltage-sensitive dye in rats under urethane anesthesia...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28192749/ascorbic-acid-ameliorates-behavioural-deficits-and-neuropathological-alterations-in-rat-model-of-alzheimer-s-disease
#11
Olayemi Joseph Olajide, Emmanuel Olusola Yawson, Ismail Temitayo Gbadamosi, Tolulope Timothy Arogundade, Ezra Lambe, Kosisochukwu Obasi, Ismail Tayo Lawal, Abdulmumin Ibrahim, Kehinde Yomi Ogunrinola
Exploring the links between neural pathobiology and behavioural deficits in Alzheimer's disease (AD), and investigating substances with known therapeutic advantages over subcellular mechanisms underlying these dysfunctions could advance the development of potent therapeutic molecules for AD treatment. Here we investigated the efficacy of ascorbic acid (AA) in reversing aluminium chloride (AlCl3)-induced behavioural deficits and neurotoxic cascades within prefrontal cortex (PFC) and hippocampus of rats. A group of rats administered oral AlCl3 (100mg/kg) daily for 15days showed degenerative changes characterised by significant weight loss, reduced exploratory/working memory, frontal-dependent motor deficits, cognitive decline, memory dysfunction and anxiety during behavioural assessments compared to control...
February 6, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28181679/mechanism-of-motor-coordination-of-masseter-and-temporalis-muscles-for-increased-masticatory-efficiency-in-mice
#12
Tomoko Yoshimi, Yoshiyuki Koga, Aya Nakamura, Ayumi Fujishita, Haruka Kohara, Emi Moriuchi, Keiko Yoshimi, Chi-Yang Tsai, Noriaki Yoshida
The demand for the use of mice as animal models for elucidating the pathophysiologies and pathogeneses of oral motor disorders has been increasing in recent years, as more and more kinds of genetically modified mice that express functional disorders of the stomatognathic system become available. However, the fundamental characteristics of mouse jaw movements during mastication have yet to be fully elucidated. The purpose of this study was to investigate the roles of the masseter and temporalis muscles, and the mechanisms of motor coordination of these muscles for increasing masticatory efficiency in the closing phase in mice...
February 9, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28181668/nsi-189-a-small-molecule-with-neurogenic-properties-exerts-behavioral-and-neurostructural-benefits-in-stroke-rats
#13
Naoki Tajiri, David M Quach, Yuji Kaneko, Stephanie Wu, David Lee, Tina Lam, Ken L Hayama, Thomas G Hazel, Karl Johe, Michael C Wu, Cesar V Borlongan
Enhancing neurogenesis may be a powerful stroke therapy. Here, we tested in a rat model of ischemic stroke the beneficial effects of NSI-189, an orally active, new molecular entity (mol. wt. 366) with enhanced neurogenic activity, and indicated as an anti-depressant drug in a clinical trial (Fava et al., 2015) and being tested in a Phase 2 efficacy trial (ClinicalTrials.gov, 2016) for treatment of major depression. Oral administration of NSI-189 in adult Sprague-Dawley rats starting at 6 hours after middle cerebral artery occlusion, and daily thereafter over the next 12 weeks resulted in significant amelioration of stroke-induced motor and neurological deficits, which was maintained up to 24 weeks post-stroke...
February 9, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28174550/impaired-memory-for-instructions-in-children-with-attention-deficit-hyperactivity-disorder-is-improved-by-action-at-presentation-and-recall
#14
Tian-Xiao Yang, Richard J Allen, Joni Holmes, Raymond C K Chan
Children with attention deficit hyperactivity disorder (ADHD) often fail to comply with teacher instructions in the classroom. Using action during presentation or recall can enhance typically developing children's abilities to complete multi-step instruction sequences. In this study, we tested the ability to following instructions in children with ADHD under different conditions to explore whether they show the same beneficial effects of action. A total of 24 children with ADHD and 27 typically developing children either listened to or viewed demonstrations of instructions during encoding, and then either verbally repeated or physically performed the sequences during recall...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28169036/identification-of-risk-factors-for-poor-feeding-in-infants-with-congenital-heart-disease-and-a-novel-approach-to-improve-oral-feeding
#15
Gitanjali Indramohan, Tiffany P Pedigo, Nicole Rostoker, Mae Cambare, Tristan Grogan, Myke D Federman
Many infants with complex congenital heart disease (CHD) do not develop the skills to feed orally and are discharged home on gastrostomy tube or nasogastric feeds. We aimed to identify risk factors for failure to achieve full oral feeding and evaluate the efficacy of oral motor intervention for increasing the rate of discharge on full oral feeds by performing a prospective study in the neonatal and cardiac intensive care units of a tertiary children's hospital. 23 neonates born at ≥37weeks gestation and diagnosed with single-ventricle physiology requiring a surgical shunt were prospectively enrolled and received oral motor intervention therapy...
February 3, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28161373/post-onset-oral-rapamycin-treatment-delays-development-of-mitochondrial-encephalopathy-only-at-supramaximal-doses
#16
Roberta Felici, Daniela Buonvicino, Mirko Muzzi, Leonardo Cavone, Daniele Guasti, Andrea Lapucci, Sara Pratesi, Francesco De Cesaris, Francesca Luceri, Alberto Chiarugi
Mitochondrial encephalopathies are fatal, infantile neurodegenerative disorders caused by a deficit of mitochondrial functioning, for which there is urgent need to identify efficacious pharmacological treatments. Recent evidence shows that rapamycin administered both intraperitoneally or in the diet delays disease onset and enhances survival in the Ndufs4 null mouse model of mitochondrial encephalopathy. To delineate the clinical translatability of rapamycin in treatment of mitochondrial encephalopathy, we evaluated the drug's effects on disease evolution and mitochondrial parameters adopting treatment paradigms with fixed daily, oral doses starting at symptom onset in Ndufs4 knockout mice...
February 1, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28160523/orofacial-functions-in-experimental-models-of-cerebral-palsy-a-systematic-review
#17
REVIEW
Diego Cabral Lacerda, Kelli Nogueira Ferraz-Pereira, André Terácio, Bárbara Juacy Rodrigues Costa de Santana, Omar Guzman Quevedo, Raul Manhães-de-Castro, Ana Elisa Toscano
BACKGROUND: Children who suffer from cerebral palsy (CP) often present comorbidities in the form of orofacial dysfunctions. Studies in animals have contributed to elaborate potential therapies aimed at minimizing the chronic disability of the syndrome. OBJECTIVE: To systematically review the scientific literature regarding the possible effects that experimental models of CP can have on orofacial functions. METHODS: Two independent authors conducted a systematic review in the electronic databases Medline, Scopus, CINAHL, Web of Science and Lilacs, using Mesh and Decs terms in animal models...
February 4, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28155231/charge-syndrome-gastrointestinal-involvement-from-mouth-to-anus
#18
REVIEW
A Hudson, M Macdonald, J N Friedman, K Blake
CHARGE syndrome is an autosomal dominant disorder that occurs as a result of a heterozygous loss-of-function mutation in the chromodomain helicase DNA-binding (CHD7) gene, which is important for neural crest cell formation. Gastrointestinal (GI) symptoms and feeding difficulties are highly prevalent but are often a neglected area of diagnosis, treatment, and research. Cranial nerve dysfunction, craniofacial abnormalities, and other physical manifestations of this syndrome lead to gut dysmotility, sensory impairment, and oral-motor function abnormalities...
October 13, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/28148630/dysarthria-and-broader-motor-speech-deficits-in-dravet-syndrome
#19
Samantha J Turner, Amy Brown, Marta Arpone, Vicki Anderson, Angela T Morgan, Ingrid E Scheffer
OBJECTIVE: To analyze the oral motor, speech, and language phenotype in 20 children and adults with Dravet syndrome (DS) associated with mutations in SCN1A. METHODS: Fifteen verbal and 5 minimally verbal DS patients with SCN1A mutations (aged 15 months-28 years) underwent a tailored assessment battery. RESULTS: Speech was characterized by imprecise articulation, abnormal nasal resonance, voice, and pitch, and prosody errors. Half of verbal patients had moderate to severely impaired conversational speech intelligibility...
February 1, 2017: Neurology
https://www.readbyqxmd.com/read/28146589/the-phes-battery-does-not-detect-all-cirrhotic-patients-with-early-neurological-deficits-which-are-different-in-different-patients
#20
Carla Giménez-Garzó, Juan José Garcés, Amparo Urios, Alba Mangas-Losada, Raquel García-García, Olga González-López, Remedios Giner-Durán, Desamparados Escudero-García, Miguel Angel Serra, Emilio Soria, Vicente Felipo, Carmina Montoliu
BACKGROUND AND AIMS: The psychometric hepatic encephalopathy score (PHES) is the "gold standard" for minimal hepatic encephalopathy (MHE) diagnosis. Some reports suggest that some cirrhotic patients "without" MHE according to PHES show neurological deficits and other reports that neurological alterations are not homogeneous in all cirrhotic patients. This work aimed to assess whether: 1) a relevant proportion of cirrhotic patients show neurological deficits not detected by PHES; 2) cirrhotic patients with mild neurological deficits are a homogeneous population or may be classified in sub-groups according to specific deficits...
2017: PloS One
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