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Balance disorders

Alessandro Micarelli, Andrea Viziano, David Della-Morte, Ivan Augimeri, Marco Alessandrini
OBJECTIVE: Considering the altered multisensory signal compensation during senescence, the aim of the present study was to evaluate the integration rearrangements in unilateral vestibular hypofunction (UVH) during age-related cognitive decline. STUDY DESIGN: Cross-sectional study. SETTING: Longitudinal cohort study unit and of University tertiary referral center. PATIENTS: Older UVH individuals ≥ 55 years with Mild Cognitive Impairment (MCI) or Alzheimer Disease (AD) and matched UVH control group with age-appropriate cognitive function...
March 15, 2018: Otology & Neurotology
Raúl Cassia, Macarena Nocioni, Natalia Correa-Aragunde, Lorenzo Lamattina
Here, we review information on how plants face redox imbalance caused by climate change, and focus on the role of nitric oxide (NO) in this response. Life on Earth is possible thanks to greenhouse effect. Without it, temperature on Earth's surface would be around -19°C, instead of the current average of 14°C. Greenhouse effect is produced by greenhouse gasses (GHG) like water vapor, carbon dioxide (CO2 ), methane (CH4 ), nitrous oxides (Nx O) and ozone (O3 ). GHG have natural and anthropogenic origin. However, increasing GHG provokes extreme climate changes such as floods, droughts and heat, which induce reactive oxygen species (ROS) and oxidative stress in plants...
2018: Frontiers in Plant Science
Akhil Kumar, Ashish Tiwari, Ashok Sharma
Alzheimer disease (AD) is now considered as a multifactorial neurodegenerative disorder and rapidly increasing to an alarming situation and causing higher death rate. One target one ligand hypothesis is not able to provide complete solution of AD due to multifactorial nature of disease and one target one drug seems to fail to provide better treatment against AD. Moreover, current available treatments are limited and most of the upcoming treatments under clinical trials are based on modulating single target...
March 15, 2018: Current Neuropharmacology
Satoko Noguchi, Junichi Saito, Tomoyuki Kudo, Eiji Hashiba, Kazuyoshi Hirota
Background: We have reviewed four cases of Kawasaki disease treated with plasma exchange with 5% albumin in electrolyte-balanced solution, according to the recommended guidelines for Kawasaki disease in the intensive care unit, as their responses to intravenous immunoglobulin therapy were poor. Case presentation: The four cases were aged between 5 months and 3 years and weighted between 6.4 and 15.6 kg. The plasma levels of C-reactive protein were significantly decreased after plasma exchange ( p  < 0...
2018: JA Clin Rep
Tao Tan, Wei Wang, Haitao Xu, Zhilin Huang, Yu Tian Wang, Zhifang Dong
Patients with autism spectrum disorder (ASD) display abnormalities in neuronal development, synaptic function and neural circuits. The imbalance of excitatory and inhibitory (E/I) synaptic transmission has been proposed to cause the main behavioral characteristics of ASD. Repetitive transcranial magnetic stimulation (rTMS) can directly or indirectly induce excitability and synaptic plasticity changes in the brain noninvasively. However, whether rTMS can ameliorate autistic-like behaviors in animal model via regulating the balance of E/I synaptic transmission is unknown...
2018: Frontiers in Cellular Neuroscience
Sandra Infante Villamil, Roger Huerlimann, Christina Morianos, Zoltan Sarnyai, Gregory E Maes
Obesity and other lifestyle diseases in modern society can be related to historical dietary changes from diets balanced in omega-6 and omega-3 to the unbalanced "Western-type" diet. It is recognized that diet influences the murine and human gut microbiome, and most research indicates that microbial diversity and composition are altered by high-fat diets (HFDs). However, good knowledge about the effects of early exposure to HFD on the maturation and structure of the bacterial community is limited. Using mice as model, we hypothesized that an HFD alters the early dynamic of the gut bacterial community toward an unstable/unhealthy state...
February 2018: Nutrition Research
Pauline Rhenter, Delphine Moreau, Christian Laval, Jean Mantovani, Amandine Albisson, Guillaume Suderie, Mohamed Boucekine, Aurelie Tinland, Sandrine Loubière, Tim Greacen, Pascal Auquier, Vincent Girard
This paper is a qualitative analysis of the effects of accompagnement , a support framework, on recovery trajectories of people with long-term homelessness and severe psychiatric disorders during 24 months in a Housing First-type program in France. A comprehensive methodology based on grounded theory was used to construct an interview guide, conduct multiple interviews with 35 Housing First participants sampled for heterogeneity, and produce memos on their trajectories before and after entering the program based on interview information...
March 14, 2018: International Journal of Environmental Research and Public Health
Doreen Huppert, Dominik Straumann, Mans Magnusson, Ilmari Pyykkö, Thomas Brandt
A common European Community driving licence was established in 1980. However, there are major differences among the countries as regards medical conditions that legally affect driving ability. This article discusses various assessment guidelines for dizzy patients. These range from a total absence of specified binding requirements in Finland or regulations open to clinical interpretation in Switzerland, to inappropriately strict regulations in Germany. We focus on requirements for patients with vestibular disorders in Germany which have been in force since 2014...
March 13, 2018: Journal of Neurology
Hyoung Kyu Kim, Michael Huy Cuong Pham, Kyung Soo Ko, Byoung Doo Rhee, Jin Han
Alternative splicing (AS) of protein-coding messenger RNAs is an essential regulatory mechanism in eukaryotic gene expression that controls the proper function of proteins. It is also implicated in the physiological regulation of mitochondria and various ion channels. Considering that mis-splicing can result in various human diseases by modifying or abrogating important physiological protein functions, a fine-tuned balance of AS is essential for human health. Accumulated data highlight the importance of alternatively spliced isoforms in various diseases, including neurodegenerative disorders, cancer, immune and infectious diseases, cardiovascular diseases, and metabolic conditions...
March 13, 2018: Pflügers Archiv: European Journal of Physiology
Katharina Feil, Regina Feuerecker, Nicolina Goldschagg, Ralf Strobl, Thomas Brandt, Albrecht von Müller, Eva Grill, Michael Strupp
Background: Making the correct diagnosis of patients presenting with vertigo and dizziness in clinical practice is often challenging. Objective: In this study we examined the performance of the iPad based program me d x in the prediction of different clinical vertigo and dizziness diagnoses and as a diagnostic tool to distinguish between them. Patients and methods: The data collection was done in the outpatient clinic of the German Center of Vertigo and Balance Disorders...
2018: Frontiers in Neurology
Josef Davidsson, Andreas Puschmann, Ulf Tedgård, David Bryder, Lars Nilsson, Jörg Cammenga
Germline mutations in the SAMD9 and SAMD9L genes, located in tandem on chromosome 7, are associated with a clinical spectrum of disorders including the MIRAGE syndrome, ataxia-pancytopenia syndrome and myelodysplasia and leukemia syndrome with monosomy 7 syndrome. Germline gain-of-function mutations increase SAMD9 or SAMD9L's normal antiproliferative effect. This causes pancytopenia and generally restricted growth and/or specific organ hypoplasia in non-hematopoietic tissues. In blood cells, additional somatic aberrations that reverse the germline mutation's effect, and give rise to the clonal expansion of cells with reduced or no antiproliferative effect of SAMD9 or SAMD9L include complete or partial chromosome 7 loss or loss-of-function mutations in SAMD9 or SAMD9L...
February 25, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Carly R Pacanowski, Tyler B Mason, Ross D Crosby, James E Mitchell, Scott J Crow, Stephen A Wonderlich, Carol B Peterson
OBJECTIVE: Treatment for binge eating disorder (BED), a condition associated with both excess adiposity and psychological distress, has not typically produced significant weight loss despite reducing binge eating. Characterizing factors that promote or inhibit weight loss in individuals with co-occurring BED and obesity may help explain overall nonsignificant weight changes during treatment. METHODS: In this study, 189 adults with BED participated in a randomized clinical trial evaluating the efficacy of 5 months of cognitive behavioral therapy...
March 13, 2018: Obesity
Bindu D Paul, Juan I Sbodio, Solomon H Snyder
Besides its essential role in protein synthesis, cysteine plays vital roles in redox homeostasis, being a component of the major antioxidant glutathione (GSH) and a potent antioxidant by itself. In addition, cysteine undergoes a variety of post-translational modifications that modulate several physiological processes. It is becoming increasingly clear that redox-modulated events play important roles not only in peripheral tissues but also in the brain where cysteine disposition is central to these pathways...
March 9, 2018: Trends in Pharmacological Sciences
F Mohammadpour Lashkari, M A Sadighi Gilani, A Ghaheri, M R Zamanian, P Borjian Boroujeni, A Mohseni Meybodi, M Sabbaghian
Disorders of sex development (DSD) are congenital abnormalities as an atypical development process in either gonadal or chromosomal structure. It is the cause of the abnormality in phenotype and characteristics. Chromosomal analysis plays an important role in the DSD determination. 45,X/46,XY mosaicism is a rare karyotype, and its prevalence is about 1.5 in 10,000 newborns. It affects the growth, hormonal balance, gonad development and histology. All data such as height, male general appearance, testis size and volume, external genitalia, spermogram and hormonal levels, testis pathology, Y chromosome microdeletion and karyotype, and assisted reproductive technology (ART) outcome were recorded based on patients profile and history...
March 12, 2018: Andrologia
Manndy Nget, Kasorn Muijeen
Background: ASEAN integration aims to transform the GMS into a single market with free flows of products, services, and skilled labor, as well as investment openness, which will ultimately force regional economic growth. Therefore, this integration is likely to bring about a big change to this area in the new era; it can subsequently cause many problems as well, including mental health issues of the people in this region. The characteristic differences among the GMS member countries in terms of trade and investment, so-cial and cultural values, medical information and technology, and the living and working environment have become major problems affecting mental health disorders, which are usually identified as depression, stress, and substance abuse...
December 2017: Current Psychiatry Reviews
Michelle L Ratay, Stephen C Balmert, Ethan J Bassin, Steven R Little
Dry eye disease (DED), also known as keratoconjunctivitis sicca, is an ocular surface disease characterized by T-cell-mediated inflammation. Current therapeutics, such as immunosuppressive agents, act to suppress the clinical signs and inflammation. However, long-term usage of these treatments can cause severe side effects. In this study, we present an alternative therapeutic approach that utilizes a histone deacetylase inhibitor (HDACi) to regulate transcription of a variety of immunomodulatory genes. Specifically, HDACi have emerged as a potential anti-inflammatory agent, which can modulate the functions of a subset of suppressive T lymphocytes known as regulatory T cells (Tregs), enhancing FoxP3 acetylation and subsequently guarding the transcription factor from proteasomal degradation...
March 8, 2018: Acta Biomaterialia
Theodore A Slotkin, Samantha Skavicus, Frederic J Seidler
Terbutaline and dexamethasone are used in the management of preterm labor, often for durations of treatment exceeding those recommended, and both have been implicated in increased risk of neurodevelopmental disorders. We used a variety of cell models to establish the critical stages at which neurodifferentiation is vulnerable to these agents and to determine whether combined exposures produce a worsened outcome. Terbutaline selectively promoted the initial emergence of glia from embryonic neural stem cells (NSCs)...
March 7, 2018: Toxicology
Małgorzata Kiełczykowska, Joanna Kocot, Marek Paździor, Irena Musik
Selenium is a trace element which fulfils important functions in the organism. Its deficit may cause acute disorders, but an overdose can also lead to severe consequences. The functions of selenium in the organism are mainly connected with its antioxidant properties, as it is an essential part of important antioxidant enzymes. Disturbances of oxidant balance have been found to be involved in the activity of numerous harmful factors as well as in the pathogenesis of diverse illnesses. Selenium administration has proved to be effective against the toxicity of many agents and the side effects of drugs...
February 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Haiqiang Yao, Shanlan Mo, Ji Wang, Yingshuai Li, Chong-Zhi Wang, Jin-Yi Wan, Zengliang Zhang, Yu Chen, Ranran Sun, Chun-Su Yuan, Xin Liu, Lingru Li, Qi Wang
BACKGROUND/AIMS: Metabolic diseases are leading health concerns in today's global society. In traditional Chinese medicine (TCM), one body type studied is the phlegm-dampness constitution (PC), which predisposes individuals to complex metabolic disorders. Genomic studies have revealed the potential metabolic disorders and the molecular features of PC. The role of epigenetics in the regulation of PC, however, is unknown. METHODS: We analyzed a genome-wide DNA methylation in 12 volunteers using Illumina Infinium Human Methylation450 BeadChip on peripheral blood mononuclear cells (PBMCs)...
March 2, 2018: Cellular Physiology and Biochemistry
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