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https://www.readbyqxmd.com/read/28449366/moving-forward-with-the-neuromuscular-junction
#1
REVIEW
Claire Legay, Lin Mei
The neuromuscular junction (NMJ) is indispensable for survival. This synapse between motoneurons and skeletal muscle fibers allows posture, movement and respiration. Therefore, its dysfunction creates pathologies than can be lethal. The molecular mechanisms of NMJ development and maintenance are the subject of intensive studies. This mini-review focuses on some of the most recent discoveries. An unexpected role for a protein, rapsyn, which has been known for 40 years to aggregate acetylcholine receptors has emerged...
April 27, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28447588/malignant-peripheral-nerve-sheath-tumour-of-the-oesophagus-review-of-the-literature-and-report-of-a-case-with-lymph-node-and-distant-metastases
#2
Vasileios K Mavroeidis, Kosmas Kandilaris, Dimitrios I Matthioudakis, Stavroula N Kaza, Panagis M Lykoudis, Francesca Saffioti, Maria Demonakou
Oesophageal sarcomas are very rare while various histological types have occasionally been reported. Malignant Peripheral Nerve Sheath Tumour (MPNST) of the oesophagus is an exceedingly rare type of oesophageal sarcoma with only thirteen cases previously reported in the world literature. However, it should be included in the differential diagnosis of oesophageal neoplasias. Due to the small number of reported cases, the information about the biological behaviour of this entity is still insufficient. While MPNST is generally considered an aggressive type of tumour with high recurrence rates after surgical treatment and poor prognosis, previous reports of cases with oesophageal localization have recorded satisfactory outcomes overall even with less aggressive therapeutic approaches, although a long-term follow-up is lacking...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28447037/leptomeninges-a-novel-stem-cell-niche-with-neurogenic-potential
#3
EDITORIAL
Takayuki Nakagomi, Tomohiro Matsuyama
No abstract text is available yet for this article.
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28446831/antinociceptive-and-antioxidant-activities-of-the-methanolic-extract-of-telfairia-occidentalis-seeds
#4
Olukemi Adetutu Osukoya, Daniel Adegbenro, Sunday A Onikanni, Oluwafemi A Ojo, Amos Onasanya
CONTEXT: The seeds of Telfairia occidentalis have been known to possess different biological properties and are used in traditional medicine in Africa and Asia to treat many ailments. The plant is particularly noted traditionally for its healing properties and is usually consumed in the form of herbal decoctions/concoctions as a blood tonic, to treat sudden attacks of convulsions, pain, malaria and anaemia. AIMS: In the present study, various phytochemical and pharmacological studies were done on the methanolic extract of the seeds of Telfairia occidentalis to evaluate its antioxidant and antinociceptive properties to substantiate its traditional use...
October 2016: Ancient Science of Life
https://www.readbyqxmd.com/read/28446071/human-neural-stem-cell-therapy-for-chronic-ischemic-stroke-charting-progress-from-laboratory-to-patients
#5
John D Sinden, Caroline Hicks, Paul Stroemer, Indira Vishnubhatla, Randolph L Corteling
Chronic disability after stroke represents a major unmet neurological need. ReNeuron's development of a human neural stem cell (hNSC) therapy for chronic disability after stroke is progressing through early clinical studies. A Phase I trial has recently been published, showing no safety concerns and some promising signs of efficacy. A single arm Phase II multicenter trial in patients with stable upper limb paresis has recently completed recruitment. The hNSCs administrated are from a manufactured, conditionally immortalized hNSC line (ReNeuron's CTX0E03 or CTX), generated with c-mycERTAM technology...
April 27, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28445906/-bipolar-stimulation-may-improve-the-efficacy-of-the-percutaneous-nerve-evaluation-test-of-sacral-neuromodulation
#6
André Reitz, Tanja Hüsch, Regula Doggweiler, Stephan Buse, Axel Haferkamp
Purpose This study evaluates the hypothesis that bipolar stimulation of the S3 and S4 sacral roots may enhance the efficacy of the percutaneous nerve evaluation (PNE) test. Material and Methods In this case-control-study, we enrolled 43 patients undergoing bipolar PNE and 57 controls undergoing unipolar PNE. For bipolar PNE, four test electrodes were placed at the bilateral S3 and S4 roots. The electrodes at the S3 and S4 roots of each side were connected to obtain bipolar stimulation. The test protocol over eight days included unilateral and bilateral stimulation of the S3 and S4 sacral roots...
April 26, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28444866/new-insights-into-neurogenic-cyclic-motor-activity-in-the-isolated-guinea-pig-colon
#7
M Costa, L Wiklendt, L Keightley, S J H Brookes, P G Dinning, N J Spencer
BACKGROUND: The contents of the guinea pig distal colon consist of multiple pellets that move anally in a coordinated manner. This row of pellets results in continued distention of the colon. In this study, we have investigated quantitatively the features of the neurally dependent colonic motor patterns that are evoked by constant distension of the full length of guinea-pig colon. METHODS: Constant distension was applied to the excised guinea-pig by high-resolution manometry catheters or by a series of hooks...
April 26, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28444291/pasteurella-aerogenes-as-an-asymptomatic-bacteriuria-agent
#8
Demet Alaygut, Aynur Engin
'Asymptomatic bacteriuria' (ASB) is isolation of a specified quantitative count of bacteria in an appropriately collected urine specimen obtained from a person without symptoms or signs referable to urinary infection. Catheterized specimens are less likely to be contaminated compared with voided specimens; therefore, positive cultures of catheterized specimens are more likely to reflect true bladder bacteriuria even with low colony counts. The common pathogens for ASB are Escherichia coli, Klebsiella and Streptococcus spp...
April 21, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28443271/refractory-urinary-incontinence-in-girls-the-role-of-the-bladder-neck
#9
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/28443168/an-iranian-version-of-the-fukushima-lumbar-spinal-stenosis-scale-fls-25-a-validation-study
#10
Parisa Azimi, Ali Montazeri
STUDY DESIGN: Cross-sectional study. PURPOSE: To translate and validate the Fukushima lumbar spinal stenosis (LSS) scale 25 (FLS-25) for use in Iran. OVERVIEW OF LITERATURE: Tools measuring patient-reported outcomes should satisfy certain psychometric properties. METHODS: FLS-25 is a self-administered scale for evaluating symptoms of LSS. A forward-backward procedure was applied to translate the questionnaire from English into Persian...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443167/elderly-patients-achieving-clinical-and-radiological-outcomes-comparable-with-those-of-younger-patients-following-minimally-invasive-transforaminal-lumbar-interbody-fusion
#11
Joshi Nikhil N, Joel Wei-An Lim, William Yeo, Wai-Mun Yue
STUDY DESIGN: Retrospective analysis of prospective database. PURPOSE: To compare 2-year clinical and radiological outcomes after minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) among "middle-age" (50-64.99 years), "young-old" (65-74.99 years), and "old-old" (>75 years) patients. OVERVIEW OF LITERATURE: Owing to higher perioperative morbidity and mortality rates, elderly patients with degenerative lumbar conditions are occasionally denied surgical care, even after conservative treatment failure...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443164/single-level-minimally-invasive-transforaminal-lumbar-interbody-fusion-provides-sustained-improvements-in-clinical-and-radiological-outcomes-up-to-5-years-postoperatively-in-patients-with-neurogenic-symptoms-secondary-to-spondylolisthesis
#12
Hamid Rahmatullah Bin Abd Razak, Priyesh Dhoke, Kae-Sian Tay, William Yeo, Wai-Mun Yue
STUDY DESIGN: Retrospective review of prospective registry data. PURPOSE: To determine 5-year clinical and radiological outcomes of single-level instrumented minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) in patients with neurogenic symptoms secondary to spondylolisthesis. OVERVIEW OF LITERATURE: MIS-TLIF and open approaches have been shown to yield comparable outcomes. This is the first study to assess MIS-TLIF outcomes using the minimal clinically important difference (MCID) criterion...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28441718/therapeutic-effect-of-melittin-on-a-rat-model-of-chronic-prostatitis-induced-by-complete-freund-s-adjuvant
#13
Li Lin, Bao-Ping Zhu, Liang Cai
OBJECTIVES: The present study was aimed to establish a model of chronic prostatitis in rat with the use of intraprostatic injection of Complete Freund's Adjuvant, and to examine the anti-inflammatory and analgesic effects of melittin on the newly-developed chronic prostatic pain model. METHODS: Adult male Sprague-Dawley rats were injected with Complete Freund's Adjuvant (CFA) into the prostate. Twelve days after model rats of the treatment group were injected melittin into the prostate, while those of the control group received sterile saline injection...
April 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28440309/glypican-2-levels-in-cerebrospinal-fluid-predict-the-status-of-adult-hippocampal-neurogenesis
#14
S Lugert, T Kremer, R Jagasia, A Herrmann, S Aigner, C Giachino, I Mendez-David, A M Gardier, J P Carralot, H Meistermann, A Augustin, M D Saxe, J Lamerz, G Duran-Pacheco, A Ducret, V Taylor, D J David, C Czech
Adult hippocampal neurogenesis is a remarkable form of brain plasticity through which new neurons are generated throughout life. Despite its important roles in cognition and emotion and its modulation in various preclinical disease models, the functional importance of adult hippocampal neurogenesis in human health has not been revealed because of a lack of tools for monitoring adult neurogenesis in vivo. Therefore, we performed an unbiased proteomics screen to identify novel proteins expressed during neuronal differentiation using a human neural stem cell model, and we identified the proteoglycan Glypican-2 (Gpc2) as a putative secreted marker of immature neurons...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440002/differential-effect-of-incobotulinumtoxin-a-on-pain-neurogenic-flare-and-hyperalgesia-in-human-surrogate-models-of-neurogenic-pain
#15
S A Diener, M Breimhorst, Th Vogt, H H Krämer, P D Drummond, C Geber, F Birklein
BACKGROUND: The effectiveness of Botulinum-neurotoxin A (BoNT/A) to treat pain in human pain models is very divergent. This study was conducted to clarify if the pain models or the route of BoNT/A application might be responsible for these divergent findings. METHODS: Sixteen healthy subjects (8 males, mean age 27 ± 5 years) were included in a first set of experiments consisting of three visits: (1) Visit: Quantitative sensory testing (QST) was performed before and after intradermal capsaicin injection (CAPS, 15 μg) on one thigh and electrical current stimulation (ES, 1 Hz) on the contralateral thigh...
April 25, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28439968/effects-of-an-ep2-and-ep3-receptor-dual-agonist-ono-8055-on-a-radical-hysterectomy-induced-underactive-bladder-model-in-monkeys
#16
Hidekazu Matsuya, Noritoshi Sekido, Jun Kida, Hiroko Mashimo, Daisuke Wakamatsu, Hiroki Okada
OBJECTIVES: The objective was to develop an underactive bladder (UAB) model in primates and to evaluate the potential of prostanoid EP2 and EP3 receptor dual agonist ONO-8055 to become a therapeutic agent for UAB. METHODS: A surgical procedure resembling radical hysterectomy was performed on female cynomolgus monkeys. Subsequently, in vitro muscle strip studies were performed using bladder muscle strips from normal monkeys and monkeys that underwent surgery. In addition, uroflowmetric data were obtained at specified days after the surgery...
April 25, 2017: Lower Urinary Tract Symptoms
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/28439155/extracranial-trigeminal-schwannomas-a-retrospective-analysis
#18
Aviral Agrawal, Virendra Singh, Amrish Bhagol, Pradeep Kumar, Anjali Narwal
OBJECTIVE: To analyse the clinic-radiological features and treatment outcome of extracranial trigeminal schwannomas. METHOD: Medical records and radiographs of patients treated, from January 2011 to December 2013, for neurogenic tumors were retrospectively reviewed. Extracranial schwannomas other than those of trigeminal nerve were also excluded. A number of parameters, including the patient's age, gender, site, clinical features, radiographic features, histologic variants and treatment provided as well as any associated complications were recorded and analysed...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438764/neurogenic-hypertension-and-the-secret-of-respiration
#19
Benedito H Machado, Daniel B Zoccal, Davi J A Moraes
In spite of recent advances on the knowledgement of the neural control of cardiovascular function, the cause of sympathetic overactivity in neurogenic hypertension remains unknown. Studies from our laboratory point out that rats submitted to chronic intermittent hypoxia (CIH), an experimental model of neurogenic hypertension, present changes in the central respiratory network that impact the pattern of sympathetic discharge and the levels of arterial pressure. In addition to the fine coordination of respiratory muscle contraction and relaxation, essential for O2 and CO2 pulmonary exchanges, neurons of the respiratory network are precisely connected to the neurons controlling the sympathetic activity in the brainstem...
April 24, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28435923/bone-bridge-formation-across-the-neuroforamen-14-years-after-instrumented-fusion-for-isthmic-spondylolisthesis-a-case-report
#20
Joel Louis Lim, Kimberly-Anne Tan, Hwee Weng Dennis Hey
This case report describes the first case of a bone bridge formation across the left L5/S1 neuroforamen after instrumented posterolateral fusion for L5/S1 isthmic spondylolisthesis. Our patient was a 70-year-old lady who had grade 2, L5/S1 isthmic spondylolisthesis and bilateral S1 nerve root compression. She suffered from mechanical low back pain and neurogenic claudication, with radicular pain over both S1 dermatomes. She underwent in-situ, instrumented, posterolateral fusion and was asymptomatic for more than 13 years before developing progressive onset of left radicular pain over the L5 dermatome...
March 2017: Journal of Spine Surgery (Hong Kong)
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