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https://www.readbyqxmd.com/read/28528063/an-involuntary-and-unexpected-treatment-of-nutcracker-esophagus
#1
Diane Mege, Alban Benezech, Henri de Lesquen, Véronique Vitton, Pascal-Alexandre Thomas
A 76-year-old woman complained of painful dysphagia and loss of weight. Esophagoscopy results were negative, whereas computed tomography (CT) disclosed a 25-mm mediastinal tumor without a connection to the esophagus. A diagnosis of nutcracker esophagus was made on high-resolution esophageal manometry. Peroral endoscopic esophageal myotomy failed to improve the symptoms. Right video thoracoscopy allowed resection of the tumor, which looked like a neurogenic tumor of the posterior mediastinum that developed from the right vagus nerve...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28511825/neuropsychiatric-factors-in-sensitive-skin
#2
Laurent Misery
Sensitive skin is a syndrome defined by the occurrence of unpleasant sensations (stinging, burning, pain, pruritus, and tingling sensations) in response to stimuli that normally should not provoke such sensations. The worldwide prevalence of sensitive skin is approximately 40%. Clinical, histologic, biochemical, and therapeutic data show that this condition is related to changes in epidermal nerve endings with subsequent hyperreactivity and neurogenic inflammation; hence, sensitive skin is not a psychosomatic disorder, although psychologic consequences are possible...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28499986/n-acetylcysteine-treatment-attenuates-the-cognitive-impairment-and-synaptic-plasticity-loss-induced-by-streptozotocin
#3
Michael da Costa, Jamile Bernardi, Lidiane Costa, Tiago Fiuza, Ricardo Brandão, Maria F Ribeiro, Joana D Amaral, Cecília M P Rodrigues, Maria E Pereira
Alzheimer's disease (AD) is a neurodegenerative disorder pathologically characterized by severe neuronal and glial structural changes and progressive cognitive decline. N-acetylcysteine (NAC) is a well-known pharmacological agent with pro-neurogenic properties and neuroprotective effects. In this study, we evaluated NAC protective effects on cognitive impairment and associated pathological markers in a streptozotocin (STZ)-induced sporadic dementia of AD type mice model. Animals were divided into six groups: I) Sham, II) NAC, III) physostigmine (PHY), IV) STZ, V) NAC + STZ and VI) PHY + NAC...
May 9, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28494751/integrated-analysis-of-droxidopa-trials-for-neurogenic-orthostatic-hypotension
#4
Italo Biaggioni, L Arthur Hewitt, Gerald J Rowse, Horacio Kaufmann
BACKGROUND: Droxidopa, a prodrug of norepinephrine, was approved for treatment of neurogenic orthostatic hypotension (nOH) due to primary autonomic disorders based on 3 randomized double-blind studies. We performed safety and efficacy analyses of this pooled dataset (n = 460). METHODS: Efficacy was assessed using Orthostatic Hypotension Questionnaire (OHQ) scores (composite and individual items). Safety and tolerability were also examined. RESULTS: Droxidopa improved virtually all nOH symptom scores compared with placebo, significantly reducing OHQ composite score (-2...
May 12, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28484823/-prolonged-weaning-during-early-neurological-and-neurosurgical-rehabilitation-s2k-guideline-published-by-the-weaning-committee-of-the-german-neurorehabilitation-society-dgnr
#5
REVIEW
J D Rollnik, J Adolphsen, J Bauer, M Bertram, J Brocke, C Dohmen, E Donauer, M Hartwich, M D Heidler, V Huge, S Klarmann, S Lorenzl, M Lück, M Mertl-Rötzer, T Mokrusch, D A Nowak, T Platz, L Riechmann, F Schlachetzki, A von Helden, C W Wallesch, D Zergiebel, M Pohl
Prolonged weaning of patients with neurological or neurosurgery disorders is associated with specific characteristics, which are taken into account by the German Society for Neurorehabilitation (DGNR) in its own guideline. The current S2k guideline of the German Society for Pneumology and Respiratory Medicine is referred to explicitly with regard to definitions (e.g., weaning and weaning failure), weaning categories, pathophysiology of weaning failure, and general weaning strategies. In early neurological and neurosurgery rehabilitation, patients with central of respiratory regulation disturbances (e...
May 8, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28478842/periodontal-disease-as-a-potential-factor-of-migraine-chronification
#6
Pablo Ameijeira, Yago Leira, Juan Blanco, Rogelio Leira
Migraine is a hereditary constitutional base disorder, which is characterized by recurrent episodes of headache pulsatile characteristics associated with photophobia/phonophobia, nausea and/or vomiting. The main complication in migraine is the chronicity of the process, now recognized as a chronic migraine. Although pathogenic mechanisms that may influence the pathophysiology of migraine and its possible chronicity are not fully understood, previous studies have shown in patients with migraine molecular alterations of systemic inflammation, neurogenic inflammation, endothelial dysfunction, innate immunity, dysfunction of matrix proteases and blood-brain barrier...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28475972/multitarget-trehalose-carnosine-conjugates-inhibit-a%C3%AE-aggregation-tune-copper-ii-activity-and-decrease-acrolein-toxicity
#7
Giuseppa Ida Grasso, Francesco Bellia, Giuseppe Arena, Cristina Satriano, Graziella Vecchio, Enrico Rizzarelli
Increasing evidence is accumulating, showing that neurodegenerative disorders are somehow associated with the toxicity of amyloid aggregates, metal ion dyshomeostasis as well as with products generated by oxidative stress. Within the biological oxidation products, acrolein does have a prominent role. A promising strategy to deal with the above neurogenerative disorders is to use multi-functions bio-molecules. Herein, we show how a class of bio-conjugates takes advantage of the antiaggregating, antioxidant and antiglycating properties of trehalose and carnosine...
April 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28473846/transgenic-mouse-models-for-studying-adult-neurogenesis
#8
Fatih Semerci, Mirjana Maletic-Savatic
The mammalian hippocampus shows a remarkable capacity for continued neurogenesis throughout life. Newborn neurons, generated by the radial neural stem cells (NSCs), are important for learning and memory as well as mood control. During aging, the number and responses of NSCs to neurogenic stimuli diminish, leading to decreased neurogenesis and age-associated cognitive decline and psychiatric disorders. Thus, adult hippocampal neurogenesis has garnered significant interest because targeting it could be a novel potential therapeutic strategy for these disorders...
June 2016: Frontiers in Biology
https://www.readbyqxmd.com/read/28473714/a-2-oxa-spiro-5-4-decane-scaffold-displays-neurotrophic-neurogenic-and-anti-neuroinflammatory-activities-with-high-potential-for-development-as-a-versatile-cns-therapeutic
#9
Pranav Chintamani Joshi, Ramesh Samineni, Dwaipayan Bhattacharya, Bommana Raghunath Reddy, Lenin Veeraval, Tapatee Das, Swati Maitra, Abhipradnya Bipin Wahul, Shailaja Karri, Srihari Pabbaraja, Goverdhan Mehta, Arvind Kumar, Sumana Chakravarty
Following our recent discovery of a new scaffold exhibiting significant neurotrophic and neurogenic activities, a structurally tweaked analogue, embodying a 2-oxa-spiro [5.4]decane framework, has been conceptualised and found to be more potent and versatile. It exhibits enhanced neurotrophic and neurogenic action in in vitro, ex vivo and in vivo models and also shows robust neuroprotection in mouse acute cerebral stroke model. The observed attributes are traceable to the predominant activation of the TrkB-PI3K-AKT-CREB pathway...
May 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28469641/dysregulation-of-neurogenesis-by-neuroinflammation-key-differences-in-neurodevelopmental-and-neurological-disorders
#10
REVIEW
Lir-Wan Fan, Yi Pang
Embryonic neurogenesis is the process of generating neurons, the functional units of the brain. Because of its sensitivity to adverse intrauterine environment such as infection, dysregulation of this process has emerged as a key mechanism underlying many neurodevelopmental disorders such as autism spectrum disorders (ASD). Adult neurogenesis, although is restricted to a few neurogenic niches, plays pivotal roles in brain plasticity and repair. Increasing evidence suggests that impairments in adult neurogenesis are involved in major neurodegenerative disorders such as Alzheimer's disease...
March 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28467281/chronic-refractory-constipation-due-to-neurogenic-bowel-dysfunction-can-be-successfully-treated-by-sacral-neurostimulation
#11
Frederiek Nuytens, Mathieu D'Hondt
INTRODUCTION: In the last few decades, sacral neurostimulation (SNS) has proven to be an effective treatment option for functional bowel disorders. Experience concerning the role of SNS in the treatment of chronic constipation due to neurogenic bowel dysfunction (NBD) however is limited. METHODS: In this report, we present the case of a 44-year old patient, with chronic refractory neurogenic constipation after a spontaneous cerebral hemorrhage, who was treated with SNS...
May 3, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28460574/the-neurogenic-compound-nsi-189-phosphate-a-novel-multi-domain-treatment-capable-of-pro-cognitive-and-antidepressant-effects
#12
Roger S McIntyre, Karl Johe, Carola Rong, Yena Lee
Alterations in neurogenic and neurotrophic processes as well as intracellular signalling cascades provides the basis for hypothesizing that neurogenic agents may be therapeutic across multiple RDoC-defined domains (e.g. positive valence systems, general cognitive processes). Moreover, using the DSM-5 taxonomy, neurogenic agents may mitigate symptoms in adults with depressive and bipolar disorders as well as individuals with cognitive disorders. Areas covered: NSI-189 is a benzylpiperizine-aminiopyridine, a novel chemical entity that stimulates neurogenesis of human hippocampus-derived neural stem cells in vitro and stimulates neurogenesis in murine hippocampus in vivo...
June 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28460507/-the-clinical-analyses-of-neuromyelitis-optica-spectrum-disorder-initially-presenting-with-area-postrema-syndrome-in-14-patients
#13
Q F Guo, D D Song, Q Q Wang, Z W Wang, J G Liu, X K Qi
Objective: To explore the clinical characteristics of the neuromyelitis optica spectrum disorders (NMOSD) with the area postrema syndrome as the initial symptom. Methods: A total of 14 cases were enrolled in the study with the diagnose of NMOSD and the area postrema syndrome as the initial symptom. All the clinical data and imaging profiles by the contrasted magnetic resonance imaging (MRI) of the head and spinal cord were collected and analyzed. Results: The median age of onset was (38.1±17.0) years old and the gender ratio of female to male was 10∶4...
May 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28456002/multiple-spinal-nerve-enlargement-and-sos1-mutation-further-evidence-of-overlap-between-neurofibromatosis-type-1-and-noonan-phenotype
#14
Claudia Santoro, Teresa Giugliano, Mariarosa Anna Beatrice Melone, Mario Cirillo, Carla Schettino, Pia Bernardo, Giovanni Cirillo, Silverio Perrotta, Giulio Piluso
Neurofibromatosis type 1 (NF1) has long been considered a well-defined, recognizable monogenic disorder, with neurofibromas constituting a pathognomonic sign. This dogma has been challenged by recent descriptions of patients with enlarged nerves or paraspinal tumors, suggesting that neurogenic tumors and hypertrophic neuropathy may be a complication of Noonan syndrome with multiple lentigines or RASopathy phenotype. We describe a 15-year-old boy, whose mother previously received clinical diagnosis of NF1 due to presence of bilateral cervical and lumbar spinal lesions resembling plexiform neurofibromas and features suggestive of Noonan syndrome...
April 29, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28451849/role-of-carotid-body-in-intermittent-hypoxia-related-hypertension
#15
REVIEW
Rodrigo Iturriaga, María Paz Oyarce, Ana Carolina Rodrigues Dias
Obstructive sleep apnea (OSA), a common breathing disorder, is recognized as an independent risk factor for systemic hypertension. Among the alterations induced by OSA, the chronic intermittent hypoxia (CIH) is considered the main factor for the hypertension. Exposure of rodents to CIH is the gold-standard method to study the mechanisms involved in the cardiovascular alterations induced by OSA. Although it is well known that CIH produces hypertension, the underlying mechanisms are not totally elucidated. It is likely that the CIH-induced systemic oxidative stress and inflammation may elicit endothelial dysfunction and increase the arterial blood pressure...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28443271/refractory-urinary-incontinence-in-girls-the-role-of-the-bladder-neck
#16
Rafal Chrzan
BACKGROUND: Prevalence of lower urinary tract dysfunction (LUTD) in children is between 6 and 9% with urinary incontinence (UI) being one of the most common symptom. VARIOUS ASPECTS OF LOWER URINARY TRACT SYMPTOMS LUTS: Anatomical anomalies of the urinary tract as well as neurogenic underlying pathology can results in LUTS. Comorbidities and long-term consequences of the LUTD for the female patients as well as genetic issues are also briefly discussed. THE ROLE OF THE BLADDER NECK: Thanks to urodynamics, we have learnt a lot about the lower urinary tract function, but the role of the bladder neck in the pathophysiology of LUTS in children is not clear...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28439461/quantitative-assessment-of-fibroblast-growth-factor-receptor-1-expression-in-neurons-and-glia
#17
Lisha Choubey, Jantzen C Collette, Karen Müller Smith
BACKGROUND: Fibroblast growth factors (FGFs) and their receptors (FGFRs) have numerous functions in the developing and adult central nervous system (CNS). For example, the FGFR1 receptor is important for proliferation and fate specification of radial glial cells in the cortex and hippocampus, oligodendrocyte proliferation and regeneration, midline glia morphology and soma translocation, Bergmann glia morphology, and cerebellar morphogenesis. In addition, FGFR1 signaling in astrocytes is required for postnatal maturation of interneurons expressing parvalbumin (PV)...
2017: PeerJ
https://www.readbyqxmd.com/read/28408350/neuroactive-steroid-levels-and-psychiatric-and-andrological-features-in-post-finasteride-patients
#18
Roberto Cosimo Melcangi, Daniele Santi, Roberto Spezzano, Maria Grimoldi, Tommaso Tabacchi, Maria Letizia Fusco, Silvia Diviccaro, Silvia Giatti, Giuseppe Carrà, Donatella Caruso, Manuela Simoni, Guido Cavaletti
Recent reports show that, in patients treated with finasteride for male pattern hair loss, persistent side effects including sexual side effects, depression, anxiety and cognitive complaints may occur. We here explored the psychiatric and andrological features of patients affected by post-finasteride syndrome (PFS) and verified whether the cerebrospinal fluid (CSF) and plasma levels of neuroactive steroids (i.e., important regulators of nervous function) are modified. We found that eight out of sixteen PFS male patients considered suffered from a DSM-IV major depressive disorder (MDD)...
April 10, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28401575/new-insights-into-the-neural-differentiation-potential-of-canine-adipose-tissue-derived-mesenchymal-stem-cells
#19
D Blecker, M I Elashry, M Heimann, S Wenisch, S Arnhold
Adipose tissue-derived stem cells (ASCs) can be obtained from different adipose tissue sources within the body. It is an abundant cell pool, easily accessible, suitable for cultivation and expansion in vitro and preparation for therapeutic approaches. Amongst these therapeutic approaches are tissue engineering and nervous system disorders such as spinal cord injuries. For such treatment, ASCs have to be reliably differentiated in to the neuronal direction. Therefore, we investigated the neural differentiation potential of ASCs using protocols with neurogenic inductors such as valproic acid and forskolin, while dog brain tissue served as control...
June 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28401344/transanal-irrigation-is-effective-in-functional-fecal-incontinence
#20
Cecilie Siggaard Jørgensen, Konstantinos Kamperis, Line Modin, Charlotte Siggaard Rittig, Søren Rittig
Functional fecal incontinence (FFI) is divided into cases related to functional constipation (FC) and cases without concomitant constipation termed functional non-retentive fecal incontinence (FNRFI). Transanal irrigation (TAI) is widely used in children with neurogenic fecal incontinence but is less studied in children with functional defecation disorders. The aim was to evaluate the feasibility and efficacy of TAI in the treatment of FFI. A retrospective study in 72 children (mean age 9.2 ± 2.2 years, 47 males) with treatment-resistant FFI was performed...
April 12, 2017: European Journal of Pediatrics
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