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C Schlenstedt, A Shalash, M Muthuraman, D Falk, K Witt, G Deuschl
The aim of this meta-analysis was to summarize the short- and long-term effects of bilateral deep brain stimulation of the subthalamic nucleus (STN-DBS) on gait and freezing of gait (FOG) in Parkinson's disease and to detect predictors of post-stimulation outcome. A comprehensive review of the literature was conducted up to October 2015 using Medline Ovid databases for studies analyzing the effect of bilateral STN-DBS on FOG and/or gait. Sixteen studies with available data for the gait item (no. 29) of the Unified Parkinson's Disease Rating Scale (UPDRS) and six studies with the FOG item (no...
October 20, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
Thomas Breuer, Nima Hatam, Benjamin Grabiger, Gernot Marx, Bradley J Behnke, Joachim Weis, Ruedger Kopp, Ghislaine Gayan-Ramirez, Norbert Zoremba, Christian S Bruells
Perioperative necessity of deep sedation is inevitably associated with diaphragmatic inactivation. This study investigated 1) the feasibility of a new phrenic nerve stimulation method allowing early diaphragmatic activation even in deep sedation and, 2) metabolic changes within the diaphragm during mechanical ventilation compared to artificial activity. 12 piglets were separated into 2 groups. One group was mechanically ventilated for 12 hrs (CMV) and in the second group both phrenic nerves were stimulated via pacer wires inserted near the phrenic nerves to mimic spontaneous breathing (STIM)...
October 19, 2016: Scientific Reports
Hsin-Yi Wang, Han-Yi Chen, Ying-Ya Hsu, Ulrich Stimming, Hao Ming Chen, Bin Liu
We report that an ultrafast kinetics of reversible metal-ion insertion can be realized in anatase titanium dioxide (TiO2). Niobium ions (Nb5+) were carefully chosen to dope and drive anatase TiO2 into very thin nanosheets standing perpendicularly onto transparent conductive electrode (TCE) and simultaneously construct TiO2 with an ion-conducting surface together with expanded ion diffusion channels, which enabled ultrafast metal ions diffusion across the electrolyte/solid interface and into the bulk of TiO2...
October 11, 2016: ACS Applied Materials & Interfaces
Ming Wei, Yandong Zhou, Aomin Sun, Guolin Ma, Lian He, Lijuan Zhou, Shuce Zhang, Jin Liu, Shenyuan L Zhang, Donald L Gill, Youjun Wang
Store-operated Ca(2+) entry (SOCE) mediated by STIM1 and Orai1 is crucial for Ca(2+) signaling and homeostasis in most cell types. 2-Aminoethoxydiphenyl borate (2-APB) is a well-described SOCE inhibitor, but its mechanisms of action remain largely elusive. Here, we show that 2-APB does not affect the dimeric state of STIM1, but enhances the intramolecular coupling between the coiled-coil 1 (CC1) and STIM-Orai-activating region (SOAR) of STIM1, with subsequent reduction in the formation of STIM1 puncta in the absence of Orai1 overexpression...
October 10, 2016: Pflügers Archiv: European Journal of Physiology
Kehua Zhou, Ronald Schenk, Michael S Brogan
BACKGROUND: Electric stimulation (E-stim) has been found to be an effective treatment in improving wound healing rates. However, the wound healing trajectory and its related predictors for complete wound closure (CWC) have not been reported with E-stim treatment. MATERIALS AND METHODS: This was a retrospective study. Data on 159 patients treated at an outpatient wound clinic utilizing combined intervention of E-stim and conventional care were included. The Kaplan Meier healing curve together with linear regression models depicted the percentage of patients with CWC against time...
October 6, 2016: European Journal of Clinical Investigation
Abdullah A Gahzi, Dean S Elterman, Magdy Hassouna
The objective of this study was to describe our experience using sacral neuromodulation to treat urinary urgency, frequency, urge incontinence, and chronic urinary retention in patients with cardiac pacemakers. With the increasingly widespread use of InterStim for bladder function restoration, we are seeing more complex patients with multiple comorbidities, including cardiac conditions. Herein, we report 3 cases of individuals with cardiac pacemakers who underwent InterStim implantation to treat urinary conditions...
September 2016: International Neurourology Journal
John C Cianca, Joslyn John, Sindhu Pandit, Erin F Stimming, Katherine H Taber, Faye Chiou-Tan
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Miki Chiba, Koichi Yanaba, Mitsuha Hayashi, Yuki Yoshihara, Hidemi Nakagawa
T-cell immunoglobulin and mucin domain 3 (TIM-3) has been thought to play a crucial role in the negative regulation of immune responses. Here, we examined the levels of serum soluble TIM-3 (sTIM-3) in patients with systemic sclerosis (SSc) and evaluated the results with respect to the clinical features of the disease. Patients with diffuse cutaneous SSc (dcSSc) had higher levels of sTIM-3 than those with limited cutaneous SSc and healthy individuals. Serum sTIM-3 levels were positively correlated with the severity of skin sclerosis in early phase dcSSc...
September 21, 2016: Journal of Dermatology
Laurice Bou Nemer, Vanessa N Weitzman, Kristopher L Arheart, Marcelo J Barrionuevo, Daniel R Christie, Youssef Mouhayar, David I Hoffman, Wayne S Maxson, Steven J Ory
INTRODUCTION: The objective of this study was to compare clinical pregnancy rates (PRs) and pregnancy outcomes (POs) in patients undergoing in vitro fertilization (IVF) and a specific controlled ovarian hyperstimulation (mild-stimulation or mini-stim) and intrauterine insemination (IUI) protocol in women older than 40. METHODS: It is a retrospective chart review of 770 cycles of all women aged 40 and older who underwent a first cycle of either IVF or mini-stim IUI between the years 2007 and 2012 at a single infertility center...
September 14, 2016: Reproductive Sciences
Sumita Chakraborty, Bipan K Deb, Tetyana Chorna, Vera Konieczny, Colin W Taylor, Gaiti Hasan
Store-operated Ca(2+) entry (SOCE) occurs when loss of Ca(2+) from the endoplasmic reticulum (ER) stimulates the Ca(2+) sensor, STIM, to cluster and activate the plasma membrane Ca(2+) channel Orai (encoded by Olf186-F in flies). Inositol 1,4,5-trisphosphate receptors (IP3Rs, which are encoded by a single gene in flies) are assumed to regulate SOCE solely by mediating ER Ca(2+) release. We show that in Drosophila neurons, mutant IP3R attenuates SOCE evoked by depleting Ca(2+) stores with thapsigargin. In normal neurons, store depletion caused STIM and the IP3R to accumulate near the plasma membrane, association of STIM with Orai, clustering of STIM and Orai at ER-plasma-membrane junctions and activation of SOCE...
October 15, 2016: Journal of Cell Science
Natalia P Rocha, Fabiola M Ribeiro, Erin Furr-Stimming, Antonio L Teixeira
Huntington's disease (HD) is a neurodegenerative disorder characterized by selective loss of neurons in the striatum and cortex, which leads to progressive motor dysfunction, cognitive decline, and psychiatric disorders. Although the cause of HD is well described-HD is a genetic disorder caused by a trinucleotide (CAG) repeat expansion in the gene encoding for huntingtin (HTT) on chromosome 4p16.3-the ultimate cause of neuronal death is still uncertain. Apart from impairment in systems for handling abnormal proteins, other metabolic pathways and mechanisms might contribute to neurodegeneration and progression of HD...
2016: Mediators of Inflammation
Susana Cubillos, Johannes Norgauer
Psoriasis is an inflammatory skin disease with or without joint involvement. In this disease, the thickened epidermis and impaired barrier are associated with altered calcium gradients. Calcium and vitamin D are known to play important roles in keratinocyte differentiation and bone metabolism. Intracellular calcium is regulated by calcium-sensing receptor (CASR), calcium release-activated calcium modulator (ORAI) and stromal interaction molecule (STIM). Other proteins modulated by vitamin D play important roles in calcium regulation e...
October 2016: International Journal of Molecular Medicine
Sébastien S Dufresne, Antoine Boulanger-Piette, Sabrina Bossé, Jérôme Frenette
The bone remodeling and homeostasis are mainly controlled by the receptor-activator of nuclear factor kB (RANK), its ligand RANKL, and the soluble decoy receptor osteoprotegerin (OPG) pathway. While there is a strong association between osteoporosis and skeletal muscle dysfunction, the functional relevance of a particular biological pathway that synchronously regulates bone and skeletal muscle physiopathology remains elusive. Our recent article published in the American Journal of Physiology (Cell Physiology) showed that RANK is also expressed in fully differentiated C2C12 myotubes and skeletal muscles...
May 30, 2016: Receptors & Clinical Investigation
Alexandre Demoule, Nicolas Molinari, Boris Jung, Hélène Prodanovic, Gerald Chanques, Stefan Matecki, Julien Mayaux, Thomas Similowski, Samir Jaber
BACKGROUND: In intensive care unit (ICU) patients, diaphragmatic dysfunction (DD) can occur on admission or during the subsequent stay. The respective incidence of these two phenomena has not been previously studied in humans. The study was designed to describe temporal trends in diaphragm function in mechanically ventilated (MV) patients. METHODS: Ancillary study of a prospective, 6-month, observational cohort study conducted in two ICUs. MV patients were studied within 24 h following intubation (day-1) and every 48-72 h thereafter...
December 2016: Annals of Intensive Care
Sujan Reddy, Albert Fenoy, Erin Furr-Stimming, Mya Schiess, Raja Mehanna
To determine if the use of intraoperative microelectrode recording (MER) influences the final location of lead implant in deep brain stimulation (DBS) of the ventral intermediate nucleus (VIM), and to evaluate the incidence of associated complications. The usefulness of intraoperative MER in DBS is debated, some centers suggesting it increases complications without additional benefit. We conducted a retrospective chart review of all patients who underwent VIM DBS with MER at the University of Texas Health Science Center in Houston from June 1, 2009 to October 1, 2013...
August 4, 2016: Cerebellum
Jonathan Pacheco, Laura Dominguez, A Bohórquez-Hernández, Alexander Asanov, Luis Vaca
STIM1 and Orai1 are the main components of a widely conserved Calcium influx pathway known as store-operated calcium entry (SOCE). STIM1 is a calcium sensor, which oligomerizes and activates Orai channels when calcium levels drop inside the endoplasmic reticulum (ER). The series of molecular rearrangements that STIM1 undergoes until final activation of Orai1 require the direct exposure of the STIM1 domain known as SOAR (Stim Orai Activating Region). In addition to these complex molecular rearrangements, other constituents like lipids at the plasma membrane, play critical roles orchestrating SOCE...
2016: Scientific Reports
Saliha Y Amasyali, Ayşe Yaliman
To determine the effectiveness of mirror therapy and electromyography (EMG)-triggered neuromuscular stimulation on improvement of functions of the upper extremity in patients with subacute stroke in comparison with conventional therapy as well as to evaluate the advantage of each treatment over another, we conducted a prospective, randomized, and controlled trial involving 24 patients with ischemic stroke. The mean age and mean time since stroke of the patients were 58.79±11.49 years and 5.25±2.25 months...
July 19, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
Robert Hooper, M Raza Zaidi, Jonathan Soboloff
Calcium is a key regulator of many physiological processes that are perturbed in cancer, such as migration, proliferation and apoptosis. The proteins STIM and Orai mediate store-operated calcium entry (SOCE), the main pathway for calcium entry in non-excitable cells. Changes in the expression and function of STIM and Orai have been found in a range of cancer types and thus implicated in disease progression. Here we discuss the role of STIM, Orai and the SOCE pathway in the progression of melanoma and explore how the heterogeneous nature of melanoma may explain the lack of consensus in the field regarding the role of SOCE in the progression of this disease...
August 2016: Science China. Life Sciences
Lars Timmermann, Roshini Jain, Lilly Chen, Thomas Brucke, Fernando Seijo, Esther Suarez San Martin, Claire Haegelen, Marc Verin, Veerle Visser-Vandewalle, Michael T Barbe, Steven Gill, Alan Whone, Mauro Porta, Domenico Servello, Francois Alesch
INTRODUCTION: Deep brain stimulation (DBS) has been demonstrated to be effective for Parkinson disease (PD) symptom relief. We sought to characterize the benefit of subthalamic nucleus (STN) DBS for PD patients using a recently CE-marked multiple-source, constant-current system that permits a well-defined distribution of applied current. We report the 3-year results of the first clinical trial using multiple independent current control (MICC) DBS in the management of symptoms of PD. METHODS: VANTAGE is a monitored, prospective, multicenter, nonrandomized, open-label interventional trial sponsored by Boston Scientific Corporation...
August 2016: Neurosurgery
Jia Zhang, Fengbo Zhang, Qifeng Li, Yunjuan Zhao, Nan Guo, Fan Li, Yu Xia, Jianbing Ding
Objective To detect the serum levels of soluble T cell immunoglobulin mucin molecule 3 (sTim-3), IFN-γ and IL-4 in patients with pulmonary tuberculosis. Methods Peripheral blood was collected from 48 patients with pulmonary tuberculosis and 20 healthy controls. The serum level of sTim-3 was detected by ELISA. The levels of IFN-γ and IL-4 were determined by cytokine bead array (CBA). The correlations between sTim-3, IFN-γ and IL-4 levels in sera of patients with pulmonary tuberculosis were analyzed by Pearson correlation test...
July 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
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