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https://www.readbyqxmd.com/read/29241593/rapid-differential-diagnosis-of-diabetes-insipidus-in-a-7-month-old-infant-the-copeptin-approach
#1
J Vergier, J Fromonot, A Alvares De Azevedo Macedo, A Godefroy, E Marquant, R Guieu, M Tsimaratos, R Reynaud
INTRODUCTION: Diabetes insipidus is characterized by hypoosmotic polyuria related to deficiency of arginine-vasopressin (AVP) secretion (central diabetes insipidus, CDI) or renal insensitivity to AVP (nephrogenic diabetes insipidus, NDI). The water deprivation test with assessment of AVP activity is currently the gold standard for differential diagnosis in patients presenting polyuria-polydipsia syndrome. Nevertheless, it can be dangerous without proper surveillance and its interpretation may be challenging...
December 11, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29234822/-acute-vestibular-syndrome-clinical-examination-outperforms-mri-in-the-detection-of-central-lesions
#2
REVIEW
F Thömke
A significant number of patients who seek medical treatment in an emergency department because of vertigo or dizziness, suffer from acute vestibular syndrome. This is characterized by sustained vertigo, horizontal or horizontal rotatory jerk nystagmus, and unsteady stance and gait. In the acute situation it is crucial to differentiate patients with a peripheral vestibular disorder from those with a central disease. A number of recent studies have shown that a structured clinical examination enables a reliable differential diagnosis of central or peripheral disorders...
December 12, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/29222886/salivary-cariogenic-bacteria-counts-are-associated-with-obesity-in-student-women-at-a-malaysian-university
#3
Wey-Zheng Yeo, Sheng-Pei Lim, Yee-How Say
BACKGROUND AND OBJECTIVES: The counts of cariogenic bacteria lactobacilli and mutans streptococci have been studied and correlated with sugar intake. This study was to investigate the association between salivary lactobacilli and mutans streptococci counts with sweet food eating behavior and sweet sensitivity among 120 Malaysian women (101 ethnic Chinese, 19 ethnic Indians), while taking into account anthropometric and menstruation variables. METHODS AND STUDY DESIGN: Demographics, anthropometric measurements and menstrual history were taken...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29217450/cadm2-regulates-body-weight-and-energy-homeostasis-in-mice
#4
Xin Yan, Zhen Wang, Vanessa Schmidt, Anton Gauert, Thomas E Willnow, Matthias Heinig, Matthew N Poy
OBJECTIVE: Obesity is strongly linked to genes regulating neuronal signaling and function, implicating the central nervous system in the maintenance of body weight and energy metabolism. Genome-wide association studies identified significant associations between body mass index (BMI) and multiple loci near Cell adhesion molecule2 (CADM2), which encodes a mediator of synaptic signaling enriched in the brain. Here we sought to further understand the role of Cadm2 in the pathogenesis of hyperglycemia and weight gain...
November 22, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29216211/validation-of-the-japanese-version-of-the-central-sensitization-inventory-in-patients-with-musculoskeletal-disorders
#5
Katsuyoshi Tanaka, Tomohiko Nishigami, Akira Mibu, Masahiro Manfuku, Satoko Yono, Yoshikazu Shinohara, Akihito Tanabe, Rei Ono
BACKGROUND: Many musculoskeletal pain conditions are characterized by hypersensitivity, which is induced by central sensitization (CS). A questionnaire, the Central Sensitization Inventory (CSI), was recently developed to help clinicians identify patients whose presenting symptoms may be related to central sensitivity syndrome (CSS). The aims of the present study were to examine criterion validity and construct validity of the Japanese version of the CSI (CSI-J), and to investigate prevalence rates of CS severity levels in patients with musculoskeletal disorders...
2017: PloS One
https://www.readbyqxmd.com/read/29210639/guanylate-cyclase-c-a-current-hot-target-from-physiology-to-pathology
#6
Jose Antonio Uranga, Marta Castro, Raquel Abalo
Guanylate cyclase C (GC-C) receptor is a transmembrane receptor, predominantly expressed in intestinal epithelial cells, that plays a main role in homeostasis and function of the digestive tract. The endogenous ligands for this receptor are the paracrine hormones uroguanylin and guanylin. The heat-stable enterotoxin, produced by enterotoxigenic bacteria, is also a natural ligand of this receptor. Upon ligand binding, GC-C receptors increase the second messenger cyclic guanosine monophosphate (cGMP) levels, regulating a variety of key cell-type specific processes such as chloride and bicarbonate secretion (which increases luminal fluid and intestinal motility), epithelial cell growth, regulation of intestinal barrier integrity and visceral sensitivity...
December 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29210102/the-use-of-droplet-digital-pcr-in-liquid-biopsies-a-highly-sensitive-technique-for-myd88-p-l265p-detection-in-cerebrospinal-fluid
#7
Laura S Hiemcke-Jiwa, Monique C Minnema, Joyce H Radersma-van Loon, N Mehdi Jiwa, Mirthe de Boer, Roos J Leguit, Roel A de Weger, Manon M H Huibers
The gold standard for diagnosis of central nervous system lymphomas still regards a stereotactic brain biopsy, with the risk of major complications for the patient. As tumor cells can be detected in cerebrospinal fluid (CSF), CSF analysis can be used as an alternative. In this respect, mutation analysis in CSF can be of added value to other diagnostic parameters such a cytomorphology and clonality analysis. A well-known example of targeted mutation analysis entails MYD88 p.(L265P) detection, which is present in the majority of Bing Neel syndrome and primary central nervous system lymphoma (PCNSL) patients...
December 6, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/29209138/effects-of-glutathione-on-mechanical-allodynia-and-central-sensitization-in-chronic-postischemic-pain-rats
#8
Jinseok Yeo, Hoon Jung, Hyerim Lee
Background: The chronic postischemia pain (CPIP) model is an animal model using ischemia/reperfusion injury that mimics the symptoms of complex regional pain syndrome type I. Glutathione (GSH) prevents ischemia/reperfusion injury by scavenging free radicals. We conducted this study to investigate the protective effect of GSH in CPIP rats via changes of mechanical allodynia and phospholyration of the N-methyl-D-aspartate receptor subunit GluN1. Methods: We divided 45 rats into 5 groups: sham, CPIP, CPIP + GSH 100 mg/kg, CPIP + GSH 200 mg/kg, and CPIP + GSH 500 mg/kg...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29199434/a-single-centre-prospective-cohort-study-addressing-the-effect-of-a-rule-in-rule-out-troponin-algorithm-on-routine-clinical-practice
#9
Jack Marjot, Thomas E Kaier, Katherine Henderson, Laura Hunter, Michael S Marber, Divaka Perera
AIMS: In 2015, the European Society of Cardiology introduced new guidelines for the diagnosis of acute coronary syndromes in patients presenting without persistent ST-segment elevation. These guidelines included the use of high-sensitivity troponin assays for 'rule-in' and 'rule-out' of acute myocardial injury at presentation (using a '0 hour' blood test). Whilst these algorithms have been extensively validated in prospective diagnostic studies, the outcome of their implementation in routine clinical practice has not been described...
December 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29196182/peripheral-5-ht3-mediates-mirror-image-pain-by-a-cross-talk-with-acid-sensing-ion-channel-3
#10
Yeu-Shiuan Su, Hao-Ruei Mei, Chun-Hung Wang, Wei-Hsin Sun
Mirror-image pain (MIP), which occurs along with complex regional pain syndrome, rheumatoid arthritis and chronic migraine, is characterized by increased pain sensitivity of healthy body regions other than the actual injured or inflamed sites. A high level of peripheral inflammation may activate central or peripheral glia, triggering mirror-image pain. However, which receptors mediate inflammatory signals to contribute glial activation remains unclear. Intraplantarly injecting mice with 5-hydroxytryptamine (5-HT) or acidic buffer (proton) caused only unilateral hyperalgesia, but co-injection of 5-HT/acid induced bilateral hyperalgesia (MIP)...
November 28, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29188163/notalgia-paresthetica-a-novel-approach-to-treatment-with-cryolipolysis
#11
REVIEW
Philip R Cohen
Notalgia paresthetica, a neurosensory syndrome that typically occurs on the upper back, has multiple clinical symptoms with variable degrees of expression in each individual afflicted with the condition. The involved site is usually hyperpigmented and is associated with burning, coldness, hypoesthesia, increased pain, pruritus and/or tingling. In the affected area, the number of nerve fibers may be increased and the cutaneous sensory nerves are altered secondary to localized impingement, central injury, or both...
September 28, 2017: Curēus
https://www.readbyqxmd.com/read/29187755/a-mouse-model-of-the-schizophrenia-associated-1q21-1-microdeletion-syndrome-exhibits-altered-mesolimbic-dopamine-transmission
#12
Jacob Nielsen, Kim Fejgin, Florence Sotty, Vibeke Nielsen, Arne Mørk, Claus T Christoffersen, Leonid Yavich, Jes B Lauridsen, Dorte Clausen, Peter H Larsen, Jan Egebjerg, Thomas M Werge, Pekka Kallunki, Kenneth V Christensen, Michael Didriksen
1q21.1 hemizygous microdeletion is a copy number variant leading to eightfold increased risk of schizophrenia. In order to investigate biological alterations induced by this microdeletion, we generated a novel mouse model (Df(h1q21)/+) and characterized it in a broad test battery focusing on schizophrenia-related assays. Df(h1q21)/+ mice displayed increased hyperactivity in response to amphetamine challenge and increased sensitivity to the disruptive effects of amphetamine and phencyclidine hydrochloride (PCP) on prepulse inhibition...
November 30, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/29179879/p2x4-a-fast-and-sensitive-purinergic-receptor
#13
REVIEW
Jaanus Suurväli, Pierre Boudinot, Jean Kanellopoulos, Sirje Rüütel Boudinot
Extracellular nucleotides have been recognized as important mediators of activation, triggering multiple responses via plasma membrane receptors known as P2 receptors. P2 receptors comprise P2X ionotropic receptors and G protein-coupled P2Y receptors. P2X receptors are expressed in many tissues, where they are involved in a number of functions including synaptic transmission, muscle contraction, platelet aggregation, inflammation, macrophage activation, differentiation and proliferation, neuropathic and inflammatory pain...
October 2017: Biomedical Journal
https://www.readbyqxmd.com/read/29164719/circadian-variation-of-flexor-withdrawal-and-crossed-extensor-reflexes-in-patients-with-restless-legs-syndrome
#14
Chloe Dafkin, Andrew Green, Benita Olivier, Warrick Mckinon, Samantha Kerr
An evening state of spinal hyperexcitability has been proposed to be a possible cause of evening increases in restless legs syndrome symptoms. Thus, the objective of the current study was to assess the circadian variation in spinal excitability in patients with restless legs syndrome based on flexor withdrawal reflex and crossed extensor reflex responses. The reflexes were elicited on 12 participants with restless legs syndrome and 12 healthy control participants in the evening (PM) and the morning (AM). Reflex response magnitudes were measured electromyographically and kinematically...
November 22, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29135500/association-of-driving-pressure-with-mortality-among-ventilated-patients-with-acute-respiratory-distress-syndrome-a-systematic-review-and-meta-analysis
#15
Hiroko Aoyama, Tommaso Pettenuzzo, Kazuyoshi Aoyama, Ruxandra Pinto, Marina Englesakis, Eddy Fan
OBJECTIVES: A recent post hoc analysis suggested that driving pressure may be more important than traditional ventilatory variables in determining outcome in mechanically ventilated patients with acute respiratory distress syndrome. We conducted a systematic review and meta-analysis to summarize the risk of mortality for higher versus lower driving pressure. DATA SOURCES: MEDLINE, EMBASE, PubMed, CINAHL, and Cochrane CENTRAL from inception to February 10, 2017. STUDY SELECTION: Studies including mechanically ventilated adult patients with acute respiratory distress syndrome, reporting driving pressure and mortality...
November 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29117621/gender-differences-in-cardiometabolic-risk-factors-in-metabolically-healthy-normal-weight-adults-with-central-obesity
#16
Katarína Šebeková, Melinda Csongová, Radana Gurecká, Zora Krivošíková, Jozef Šebek
We investigated whether metabolically healthy normal weight adults with central obesity display worse cardiometabolic profile compared with their centrally lean counterparts. This retrospective, cross-sectional study, comprised 1 135 subjects (64% females) aged 18-to-81 years, presenting ≤2 components of metabolic syndrome. They were classified as centrally lean (waist-to-height ratio (WHtR)<0.5 and waist circumference<80 cm in females and<94 cm in males) or presenting central obesity (WHtR ≥0...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29111139/seroprevalence-of-schmallenberg-virus-in-dairy-cattle-in-ethiopia
#17
Berhanu Sibhat, Gelagay Ayelet, Endrias Zewdu Gebremedhin, Eystein Skjerve, Kassahun Asmare
Schmallenberg virus (SBV) is a recently identified member of the genus Orthobunyavirus of the family Bunyaviridae. It is an arbovirus transmitted by different members of Culicoides spp of biting midges. The virus is more recognized for its effect on reproductive disorders in ruminants characterised by abortion, stillbirth and birth of congenitally defective newborns with hydranencephaly-arthrogryposis syndrome. The current study was undertaken with the objectives of exploring the presence of SBV exposure and identification of factors affecting its distribution among dairy cattle in Ethiopia...
October 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29106772/effects-of-aerobic-interval-training-on-arterial-stiffness-and-microvascular-function-in-patients-with-metabolic-syndrome
#18
Ricardo Mora-Rodriguez, Miguel Ramirez-Jimenez, Valentin E Fernandez-Elias, Maria V Guio de Prada, Felix Morales-Palomo, Jesus G Pallares, Rachael K Nelson, Juan F Ortega
The authors determined the effect of high-intensity aerobic interval training on arterial stiffness and microvascular dysfunction in patients with metabolic syndrome with hypertension. Applanation tonometry was used to measure arterial stiffness and laser Doppler flowmetry to assess microvascular dysfunction before and after 6 months of stationary cycling (training group; n = 23) in comparison to a group that remained sedentary (control group; n = 23). While no variable improved in controls, hypertension fell from 79% (59%-91%) to 41% (24%-61%) in the training group, resulting in lower systolic and diastolic pressures than controls (-12 ± 3 and -6 ± 2 mm Hg, P < ...
November 6, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29077621/a-systematic-review-of-atypical-antipsychotics-in-chronic-pain-management-olanzapine-demonstrates-potential-in-central-sensitization-fibromyalgia-and-headache-migraine
#19
Xavier F Jimenez, Tharani Sundararajan, Edward C Covington
INTRODUCTION: Many psychopharmacologic agents are used as primary or adjunct agents in pain management. Atypical antipsychotics (AAs) have also been used as adjuncts in pain management regimens in a variety of manners; however, their efficacy in this capacity is unclear. METHODS: A systematic review of all studies examining AA use for pain was conducted. Three literature databases were utilized to search for word combinations of "pain" and a variety of commonly-prescribed AAs (olanzapine, quetiapine, risperidone, aripiprazole, ziprasidone, clozapine, paliperidone, iloperidone, lurasidone)...
October 26, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29069552/-i-xenopus-i-embryos-to-study-fetal-alcohol-syndrome-a-model-for-environmental-teratogenesis
#20
Abraham Fainsod, Hadas Kot-Leibovich
Vertebrate model systems are central to characterize the outcomes of ethanol exposure and the etiology of Fetal Alcohol Spectrum Disorder (FASD), taking advantage of their genetic and morphological closeness and similarity to humans. We discuss the contribution of amphibian embryos to FASD research, focusing on <i>Xenopus</i> embryos. The <i>Xenopus</i> experimental system is characterized by external development and accessibility throughout embryogenesis, large clutch sizes, gene and protein activity manipulation, transgenesis and genome editing, convenient chemical treatment, explants and conjugates and many other experimental approaches...
October 25, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
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