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central sensitivity syndrome

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https://www.readbyqxmd.com/read/27890709/role-of-major-and-brain-specific-sgce-isoforms-in-the-pathogenesis-of-myoclonus-dystonia-syndrome
#1
Jianfeng Xiao, Satya R Vemula, Yi Xue, Mohammad M Khan, Francesca A Carlisle, Adrian J Waite, Derek J Blake, Ioannis Dragatsis, Yu Zhao, Mark S LeDoux
Loss-of-function mutations in SGCE, which encodes ε-sarcoglycan (ε-SG), cause myoclonus-dystonia syndrome (OMIM159900, DYT11). A "major" ε-SG protein derived from CCDS5637.1 (NM_003919.2) and a "brain-specific" protein, that includes sequence derived from alternative exon 11b (CCDS47642.1, NM_001099400.1), are reportedly localized in post- and pre-synaptic membrane fractions, respectively. Moreover, deficiency of the "brain-specific" isoform and other isoforms derived from exon 11b may be central to the pathogenesis of DYT11...
November 24, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/27872255/proteolipid-protein-deficient-myelin-promotes-axonal-mitochondrial-dysfunction-via-altered-metabolic-coupling
#2
Xinghua Yin, Grahame J Kidd, Nobuhiko Ohno, Guy A Perkins, Mark H Ellisman, Chinthasagar Bastian, Sylvain Brunet, Selva Baltan, Bruce D Trapp
Hereditary spastic paraplegia (HSP) is a neurological syndrome characterized by degeneration of central nervous system (CNS) axons. Mutated HSP proteins include myelin proteolipid protein (PLP) and axon-enriched proteins involved in mitochondrial function, smooth endoplasmic reticulum (SER) structure, and microtubule (MT) stability/function. We characterized axonal mitochondria, SER, and MTs in rodent optic nerves where PLP is replaced by the peripheral nerve myelin protein, P0 (P0-CNS mice). Mitochondrial pathology and degeneration were prominent in juxtaparanodal axoplasm at 1 mo of age...
November 21, 2016: Journal of Cell Biology
https://www.readbyqxmd.com/read/27867888/neck-height-ratio-is-an-important-predictor-of-metabolic-syndrome-among-asian-indians
#3
Chitra Selvan, Deep Dutta, Anubhav Thukral, Titli Nargis, Manoj Kumar, Satinath Mukhopadhyay, Subhankar Chowdhury
BACKGROUND AND AIMS: The predictive potential of neck circumference (NC) based indices (a measure of upper body fat distribution) for predicting metabolic syndrome (MetS) and its components among Indians is not known. This study aimed to evaluate the role of NC and neck height ratio (NHtR) as independent predictors of MetS and its components as compared to traditional anthropometric indices. MATERIALS AND METHODS: A total of 451 individuals from 867 screened individuals, 30-80 years age, without any co-morbid state who gave informed written consent underwent clinical, anthropometric, and biochemical assessment...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27865628/the-genesis-and-presentation-of-anxiety-in-disorders-of-autonomic-over-excitation
#4
Andrew P Owens, David A Low, Valeria Iodice, Hugo D Critchley, Christopher J Mathias
INTRODUCTION: We investigated the genesis and presentation of previously-reported anxiety in disorders of autonomic overexcitation in relation to interoception, body vigilance and trauma to test our hypothesis that patients with the postural tachycardia syndrome (PoTS), vasovagal syncope (VVS) and essential hyperhidrosis (EH) represent atypical anxiety phenotypes in whom affective symptoms are more related to apprehension and vigilance of physiological (interoceptive) feedback than neurotic or trauma-related factors...
October 19, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/27857837/autoimmune-polyendocrinopathy-and-hypophysitis-after-puumala-hantavirus-infection
#5
Marlene Tarvainen, Satu Mäkelä, Jukka Mustonen, Pia Jaatinen
: Puumala hantavirus (PUUV) infection causes nephropathia epidemica (NE), a relatively mild form of haemorrhagic fever with renal syndrome (HFRS). Hypophyseal haemorrhage and hypopituitarism have been described in case reports on patients with acute NE. Chronic hypopituitarism diagnosed months or years after the acute illness has also been reported, without any signs of a haemorrhagic aetiology. The mechanisms leading to the late-onset hormonal defects remain unknown. Here, we present a case of NE-associated autoimmune polyendocrinopathy and hypopituitarism presumably due to autoimmune hypophysitis...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27856360/sensitivity-to-isoflurane-anesthesia-increases-in-autism-spectrum-disorder-shank3-%C3%A2-c-mutant-mouse-model
#6
Changsheng Li, Michele Schaefer, Christy Gray, Ya Yang, Orion Furmanski, Sufang Liu, Paul Worley, C David Mintz, Feng Tao, Roger A Johns
Autism is a heterogeneous developmental disorder characterized by impaired social interaction, impaired communication skills, and restricted and repetitive behavior. The abnormal behaviors of these patients can make their anesthetic and perioperative management difficult. Evidence in the literature suggests that some patients with autism or specific autism spectrum disorders (ASD) exhibit altered responses to pain and to anesthesia or sedation. A genetic mouse model of one particular ASD, Phelan McDermid Syndrome, has been developed that has a Shank3 haplotype truncation (Shank3(+/Δc))...
November 14, 2016: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/27855085/comparison-of-acupuncture-pretreatment-followed-by-letrozole-versus-letrozole-alone-on-live-birth-in-anovulatory-infertile-women-with-polycystic-ovary-syndrome-a-study-protocol-for-a-randomised-controlled-trial
#7
Juan Li, Ernest Hung Yu Ng, Elisabet Stener-Victorin, Zhenxing Hu, Wanting Wu, Maohua Lai, Taixiang Wu, Hongxia Ma
INTRODUCTION: The high prevalence of insulin resistance in women with polycystic ovary syndrome (PCOS) is considered to be one of the major pathophysiological changes in PCOS that leads to anovulatory infertility. We hypothesise that electroacupuncture pretreatment improves insulin sensitivity and leads to a higher ovulation rate and greater chances of live birth after the induction of ovulation. The effect of electroacupuncture pretreatment followed by ovulation induction in women with anovulatory PCOS has not been investigated before, and we present here a randomised controlled trial to test this hypothesis by comparing electroacupuncture pretreatment followed by letrozole versus letrozole alone in anovulatory women with PCOS...
October 7, 2016: BMJ Open
https://www.readbyqxmd.com/read/27844033/novel-nalcn-variant-altered-respiratory-and-circadian-rhythm-anesthetic-sensitivity
#8
Bernarda Lozic, Stefan Johansson, Sanja Lovric Kojundzic, Josko Markic, Per Morten Knappskog, Angelika F Hahn, Helge Boman
The sodium leak channel, a Na(+)-permeable, nonselective cation channel, is widely expressed in the nervous system, contributing a basal Na(+)-leak conductance and regulating neuronal excitability. A 3-year-old girl, heterozygous for a de novo missense mutation in NALCN (c.956C>T; p.Ala319Val) predicted to be deleterious, presented from birth with: stimulus-induced, episodic contractures of the limbs and face with associated respiratory distress; distal arthrogryposis; severe axial hypotonia; and severe global developmental delay (CLIFAHDD syndrome)...
November 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27832374/-mechanisms-of-chronification-and-potential-addiction-in-tumor-pain-comparison-with-non-tumor-pain-a-review-of-the-literature
#9
S Wirz, M Schenk, B Kleinmann, K Kieseritzky
BACKGROUND: Due to advances in oncological therapy options and increasing survival rates, the number of cancer patients with persistant pain, who are in need of analgesic therapy has increased. It has been proven that biopsychosocial mechanisms exist in patients with persistant non-cancer pain leading to chronification. Furthermore, addiction has been identified as a complication of analgesic therapy. OBJECTIVE: Can the multidimensional model of chronic pain enhancement and chronification be used for patients with cancer pain, analogue to patients with non-cancer pain? Can addiction sydromes as a result of analgesic treatment be demonstrated? MATERIAL AND METHODS: In this non-systematic review, a literature search was carried out for somatic and psychosocial chronification mechanisms in patients with cancer pain...
November 10, 2016: Der Schmerz
https://www.readbyqxmd.com/read/27818875/cross-cultural-adaptation-and-validity-of-the-spanish-central-sensitization-inventory
#10
Antonio Ignacio Cuesta-Vargas, Cristina Roldan-Jimenez, Randy Neblett, Robert J Gatchel
PURPOSING: The Central Sensitization Inventory (CSI) is a new patient-reported instrument, which measures symptoms related to Central Sensitivity Syndromes and Central Sensitization. The aim of this study was to translate the CSI into Spanish, and then to perform a psychometric validation, including a factor analysis to reveal the underlying structure. METHODS: In this two-stage psychometric study participated 395 subjects with various chronic pain conditions and that were recruited from two Primary Care Centres...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27814312/impact-of-artifacts-on-vor-gain-measures-by-video-oculography-in-the-acute-vestibular-syndrome
#11
Georgios Mantokoudis, Ali S Saber Tehrani, Amy Wozniak, Karin Eibenberger, Jorge C Kattah, Cynthia I Guede, David S Zee, David E Newman-Toker
OBJECTIVE: The video head impulse test (HIT) measures vestibular function (vestibulo-ocular reflex [VOR] gain - ratio of eye to head movement), and, in principle, could be used to make a distinction between central and peripheral causes of vertigo. However, VOG recordings contain artifacts, so using unfiltered device data might bias the final diagnosis, limiting application in frontline healthcare settings such as the emergency department (ED). We sought to assess whether unfiltered data (containing artifacts) from a video-oculography (VOG) device have an impact on VOR gain measures in acute vestibular syndrome (AVS)...
November 3, 2016: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/27805921/c-cbl-e3-ubiquitin-ligase-expression-increases-across-the-spectrum-of-benign-and-malignant-t-cell-skin-diseases
#12
Katrin A Salva, Margo J Reeder, Rita Lloyd, Gary S Wood
Prolonged survival of lesional T cells plays a central role in the pathogenesis of T-cell-mediated dermatoses. We have recently shown that the ubiquitin ligase c-CBL is highly expressed in cutaneous T-cell lymphoma (CTCL) and that its knockdown increases activation-induced cell death, a key pathway for T-cell apoptosis. Here, we extend our work on c-CBL expression in malignant T cells to their nonneoplastic counterparts in benign inflammatory dermatoses. Immunohistochemical staining with anti-c-CBL antibody was performed on lesional biopsies from a total of 65 patients with atopic dermatitis, allergic contact dermatitis, pityriasis rosea, psoriasis vulgaris, lichen planus, mycosis fungoides (MF)/Sézary syndrome (SS) as well as on tonsil tissue from 5 individuals and on 5 human CTCL cell lines...
October 31, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27805592/in-vitro-recording-of-mesenteric-afferent-nerve-activity-in-mouse-jejunal-and-colonic-segments
#13
Sara Nullens, Annemie Deiteren, Wen Jiang, Christopher Keating, Hannah Ceuleers, Sven Francque, David Grundy, Joris G De Man, Benedicte Y De Winter
Afferent nerves not only convey information concerning normal physiology, but also signal disturbed homeostasis and pathophysiological processes of the different organ systems from the periphery towards the central nervous system. As such, the increased activity or 'sensitization' of mesenteric afferent nerves has been allocated an important role in the pathophysiology of visceral hypersensitivity and abdominal pain syndromes. Mesenteric afferent nerve activity can be measured in vitro in an isolated intestinal segment that is mounted in a purpose-built organ bath and from which the splanchnic nerve is isolated, allowing researchers to directly assess nerve activity adjacent to the gastrointestinal segment...
October 25, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27800536/gastrointestinal-headache-a-narrative-review
#14
REVIEW
Majid T Noghani, Hossein Rezaeizadeh, Sayed Mohammad Baqer Fazljoo, Mansoor Keshavarz
There are studies reporting primary headaches to be associated with gastrointestinal disorders, and some report resolution of headache following the treatment of the associated gastrointestinal disorder. Headache disorders are classified by The International Headache Society as primary or secondary; however, among the secondary headaches, those attributed to gastrointestinal disorders are not appreciated. Therefore, we aimed to review the literature to provide evidence for headaches, which originate from the gastrointestinal system...
November 2016: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/27799958/th17-responses-are-not-altered-by-natural-exposure-to-seasonal-allergens-in-pollen-sensitive-patients
#15
Agata Schramm, Barbara Jasiewicz-Honkisz, Grzegorz Osmenda, Grzegorz Wilk, Mateusz Siedlinski, Agnieszka Sagan, Pawel T Matusik, Joanna Maciag, Tomasz Sliwa, Marta Czesnikiewicz-Guzik, Tomasz P Mikolajczyk
BACKGROUND: Allergic rhinitis affects 10-30 % of the global population and this number is likely to increase in the forthcoming years. Moreover, it commonly co-exists with allergic asthma as a chronic allergic respiratory syndrome. While the involvement of Th2 cells in allergy is well understood, alterations of pro-inflammatory Th17 responses remain poorly characterized. The aim of our study was to determine whether natural seasonal allergen exposure causes changes in T cell subset characteristics in patients with allergic rhinitis and asthma...
2016: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/27792993/abnormal-autonomic-nervous-system-function-in-rural-thai-men-a-potential-contributor-to-their-high-risk-of-sudden-unexplained-nocturnal-death-syndrome
#16
Raoyrin Chanavirut, Terdthai Tong-Un, Dusit Jirakulsomchok, J Michael Wyss, Sanya Roysommuti
BACKGROUND: Rural compared to urban Thai populations have a higher incidence of sudden unexplained nocturnal death syndrome (SUNDS). This study tests the hypothesis that compared to young urban Thai men, the young rural northeast Thai men display autonomic system dysfunction that may contribute to their relatively high risk to develop SUNDS. METHODS: Forty-seven healthy second and third year students from Khon Kaen University (20-22years old) were divided into central, urban northeastern, and rural northeastern groups, based on the locality in which they had grown up and in which their parents had lived prior to their birth...
October 4, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27785643/activation-of-peripheral-%C3%AE%C2%BA-opioid-receptors-normalizes-caffeine-effects-modified-in-nicotine-dependent-rats-during-nicotine-withdrawal
#17
S K Sudakov, N G Bogdanova
The study examined the effect of peripheral (intragastric) ICI-204,448, an agonist of gastric κ-opioid receptors, on the psychostimulating and anxiolytic effects of caffeine in nicotinedependent rats at the stage of nicotine withdrawal. In these rats, the effects of caffeine (10 mg/kg) were perverted. In nicotine-dependent rats, caffeine produced an anxiolytic effect accompanied by pronounced stimulation of motor activity, in contrast to anxiogenic effect induced by caffeine in intact rats without nicotine dependence...
October 26, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27776136/zeta-inhibitory-peptide-as-a-novel-therapy-to-control-chronic-visceral-hypersensitivity-in-a-rat-model
#18
Ying Tang, Aiqin Chen, Yu Chen, Lixia Guo, Hengfen Dai, Yang Huang, Qianqian Chen, Chun Lin
BACKGROUND: The pathogenesis of multiple chronic visceral pain syndromes, such as irritable bowel syndrome (IBS), is not well known, and as a result current therapies are ineffective. The objective of this study was to investigate the effect of spinal protein kinase M zeta (PKMζ) on visceral pain sensitivity in rats with IBS to better understand the pathogenesis and investigate the effect of zeta inhibitory peptide (ZIP) as a therapy for chronic visceral pain. METHODS: Visceral hypersensitivity rats were produced by neonatal maternal separation (NMS)...
2016: PloS One
https://www.readbyqxmd.com/read/27770773/antinociceptive-effect-of-methanol-extract-of-celosia-cristata-linn-in-mice
#19
Shanta Islam, Md Shafiullah Shajib, Tajnin Ahmed
BACKGROUND: Celosia cristata Linn. (Amaranthaceae) is used in traditional medicine for the treatment of headache, sores, ulcers, eye inflammations, skin eruption, painful menstruation and carpal tunnel syndrome. This study was performed to evaluate the antinociceptive activity of methanol extract of the whole plant of C. cristata (MECC). METHODS: The evaluation of the antinociceptive effect of MECC was performed using thermal (hot plate, tail immersion test) and chemical (acetic acid, formalin, and glutamate-induced nociception test) pain models in mice at four different doses (50, 100, 200, 400 mg/kg; p...
October 22, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27757935/impact-of-salt-intake-on-the-pathogenesis-and-treatment-of-hypertension
#20
Petra Rust, Cem Ekmekcioglu
Excessive dietary salt (sodium chloride) intake is associated with an increased risk for hypertension, which in turn is especially a major risk factor for stroke and other cardiovascular pathologies, but also kidney diseases. Besides, high salt intake or preference for salty food is discussed to be positive associated with stomach cancer, and according to recent studies probably also obesity risk. On the other hand a reduction of dietary salt intake leads to a considerable reduction in blood pressure, especially in hypertensive patients but to a lesser extent also in normotensives as several meta-analyses of interventional studies have shown...
October 19, 2016: Advances in Experimental Medicine and Biology
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