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Neurology Resident

Julien Muffat, Yun Li, Rudolf Jaenisch
In vitro differentiation of human pluripotent stem cells provides a systematic platform to investigate the physiological development and function of the human nervous system, as well as the etiology and consequence when these processes go awry. Recent development in three-dimensional (3D) organotypic culture systems allows modeling of the complex structure formation of the human CNS, and the intricate interactions between various resident neuronal and glial cell types. Combined with an ever-expanding genome editing and regulation toolkit such as CRISPR/Cas9, it is now a possibility to study human neurological disease in the relevant molecular, cellular and anatomical context...
October 18, 2016: Current Opinion in Cell Biology
Jill Cox, Loretta Kaes, Miguel Martinez, Daniel Moles
Skin temperature may help prospectively determine whether an area of skin discoloration will evolve into necrosis. A prospective, observational study was conducted in 7 skilled nursing facilities to determine if skin temperature measured using infrared thermography could predict the progression of discolored intact skin (blanchable erythema, Stage 1 pressure ulcer, or sus- pected deep tissue injury [sDTI]) to necrosis and to evaluate if nurses could effectively integrate thermography into the clinical setting...
October 2016: Ostomy/wound Management
Anand Kaul, Sunil Manjila, Jonathan P Miller
: Isadore Max Tarlov (1905-1977) is primarily remembered for his 1938 description of the eponymous perineural "Tarlov cyst." However, during his long career as a neurosurgeon and researcher, he was responsible for many other observations and inventions that influenced the development of neurosurgery in the 20th century. While studying at Johns Hopkins Medical School he was acquainted with Walter Dandy, and he became the first resident to study under Wilder Penfield at the newly formed Montreal Neurological Institute...
November 2016: Neurosurgery
Louise Dunphy, Prashanth Shetty, Rabinder Randhawa, Kharil Amir Rani, Yaw Duodu
A 39-year-old man, born in India but resident in the UK for 10 years, was travelling in America when he became feverish with an altered mentation. He reported a 10-day history of fever, photophobia, headache and fatigue. His medical history included hypothyroidism and migraine. He was a non-smoker, did not consume alcohol and denied a history of drug use. He was transferred to the emergency department. Laboratory investigations confirmed hyponatraemia (sodium 128 mmol/L). A chest radiograph confirmed no focal consolidation...
October 7, 2016: BMJ Case Reports
Pramod Kumar, Gajanand Sharma, Rajendra Kumar, Bhupinder Singh, Ruchi Malik, Om Prakash Katare, Kaisar Raza
In various neurological disorders, antioxidants are frequently prescribed along with the specific treatment modalities. One such promising natural flavonoid is quercetin, offering better outcomes than established vitamins E and C. Though with immense promises, various challenges like poor oral-bioavailability (<2%), extensive first-pass metabolism, poor brain permeability, hydrophobic nature and physiological pH instability hinder its proper usage. Hence, it was planned to prepare quercetin-loaded nano lipidic carriers (NLCs) employing biocompatible components like phospholipids and tocopherol acetate for enhanced brain delivery...
October 15, 2016: International Journal of Pharmaceutics
Ji-Huang Li, Zi-Xian Chen, Xiao-Guang Zhang, Yan Li, Wen-Ting Yang, Xia-Wei Zheng, Shuang Chen, Lin Lu, Yong Gu, Guo-Qing Zheng
BACKGROUND: Chinese herbal medicine (CHM) has been used to treat stroke for thousands of years. The objective of the study is to assess the current evidence for bioactive components of CHM as neurogenesis agent in animal models of ischemic stroke. METHODS: We searched PubMed, China National Knowledge Infrastructure, WanFang Database, and VIP Database for Chinese Technical Periodicals published from the inception up to November 2015. The primary measured outcome was one of neurogenesis biomarker, including Bromodeoxyuridine (BrdU), Nestin, doublecortin (DCX), polysialylated form of the neural cell adhesion molecule (PSA-NCAM), neuronal nuclear antigen (NeuN), and glial fibrillary acidic protein (GFAP)...
October 2016: Medicine (Baltimore)
Zulfi Haneef, Sharon Chiang, Holly Rutherford, Arun Antony
INTRODUCTION: Fellowship training in Clinical Neurophysiology (CNP) is often sought following Neurology residency. However, data documenting the reasons for choosing CNP fellowship, and experiences therein, are sparse. METHODS: Current Neurophysiology fellows across the United States participated in a 17-item, internet-based survey. Data regarding demographics, reasons for choosing fellowship, adequacy of training, and future plans were collected. RESULTS: Among respondents (n=49), 84% graduated from a US medical school...
October 5, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Ruchi Kaushik, Isabelle M Krisch, Darrell R Schroeder, Randall Flick, Michael E Nemergut
BACKGROUND: Head injuries are the leading cause of death among cyclists, 85 % of which can be prevented by wearing a bicycle helmet. This study aims to estimate the incidence of pediatric bicycle-related injuries in Olmsted County and assess differences in injuries between those wearing helmets vs. not. METHODS: Olmsted County, Minnesota residents 5 to 18 years of age with a diagnostic code consistent with an injury associated with the use of a bicycle between January 1, 2002, and December 31, 2011, were identified...
December 2015: Injury Epidemiology
Sarah E Velasquez, Enrique Chaves-Carballo, Eve-Lynn Nelson
BACKGROUND: Approximately 2.7 million individuals in the United States are affected by epilepsy. It is the fourth most common neurological disorder and affects people of all ages, races, and economic backgrounds. In many rural states, the few pediatric neurologists commonly practice in the metropolitan areas. The inadequate resources present challenges for families residing in rural areas or with limited transportation resources. One remedy for this situation is to deliver pediatric neurology services to rural areas through videoconferencing...
August 10, 2016: Pediatric Neurology
T N Figueira, L M Palermo, A S Veiga, D Huey, C A Alabi, N C Santos, J C Welsch, C Mathieu, B Horvat, S Niewiesk, A Moscona, M A R B Castanho, M Porotto
: Measles virus (MV) infection is undergoing resurgence and remains one of the leading causes of death among young children worldwide despite the availability of an effective measles vaccine. MV infects its target cells by coordinated action of the MV hemagglutinin (H) and fusion (F) envelope glycoproteins; upon receptor engagement by H, the pre-fusion F undergoes a structural transition, extending and inserting into the target cell membrane and then re-folding into a post-fusion structure that fuses the viral and cell membranes...
October 12, 2016: Journal of Virology
Violaine K Harris, Tamara Vyshkina, Saud A Sadiq
BACKGROUND AIMS: There is a critical unmet need to develop regenerative therapies for the demyelinating disease multiple sclerosis (MS). We previously characterized the immunoregulatory and trophic properties of neural progenitors derived from bone marrow mesenchymal stromal cells (MSC-NPs) and established that cells derived from MS and non-MS patients alike were therapeutically viable. In an experimental model of MS, intrathecal MSC-NP injection resulted in disease amelioration with decreased T-cell infiltration, and less severe lesion pathology associated with recruitment of resident progenitors to inflammatory sites...
October 7, 2016: Cytotherapy
P Pasanen, J Mäkinen, L Myllykangas, R Guerreiro, J Bras, M Valori, M Viitanen, M Baumann, P J Tienari, M Pöyhönen, P Baumann
OBJECTIVES: Primary familial brain calcification (PFBC) is a rare neurological disease often inherited as a dominant trait. Mutations in four genes (SLC20A2, PDGFB, PDGFRB, and XPR1) have been reported in patients with PFBC. Of these, point mutations or small deletions in SLC20A2 are most common. Thus far, only one large deletion covering entire SLC20A2 and several smaller, exonic deletions of SLC20A2 have been reported. The aim of this study was to identify the causative gene defect in a Finnish PFBC family with three affected patients...
October 10, 2016: Acta Neurologica Scandinavica
Piriyatharisini Thamilselvan, Krishna Raj Muthuraman, Jharna Mandal, Subash Chandra Parija
INTRODUCTION: Taenia solium is a common two-host parasitic cestode, residing in both humans (definitive) and pigs (intermediate). Invasion of this parasitic cyst into central nervous system leads to a condition known as neurocysticercosis (NCC). The World Health Organization (WHO) considers NCC as one of the "most neglected" tropical zoonotic diseases. The disease is presented with pleomorphic clinical manifestations, of which epilepsy is the most common. Diagnosis of NCC is carried out by serological tests and imaging methods...
July 2016: Tropical Parasitology
Harun Najib Noristani, Jean Charles Sabourin, Hassan Boukhaddaoui, Emilie Chan-Seng, Yannick Nicolas Gerber, Florence Evelyne Perrin
BACKGROUND: Neurons have intrinsic capability to regenerate after lesion, though not spontaneously. Spinal cord injury (SCI) causes permanent neurological impairments partly due to formation of a glial scar that is composed of astrocytes and microglia. Astrocytes play both beneficial and detrimental roles on axonal re-growth, however, their precise role after SCI is currently under debate. METHODS: We analyzed molecular changes in astrocytes at multiple stages after two SCI severities using cell-specific transcriptomic analyses...
October 6, 2016: Molecular Neurodegeneration
Mohammad Zare Mehrjardi, Elham Keshavarz, Andrea Poretti, Adriano N Hazin
Zika virus (ZIKV) is an arbovirus from the Flaviviridae family. It is usually transmitted by mosquito bite. There have been no reports of severe symptoms caused by ZIKV infection up until the last few years. In October 2013 an outbreak was reported in French Polynesia with severe neurological complications in some affected cases. In November 2015, the Ministry of Health of Brazil attributed the increased number of neonatal microcephaly cases in northeastern Brazil to congenital ZIKV infection. The rapid spread of the virus convinced the World Health Organization to announce ZIKV infection as a "Public Health Emergency of International Concern" in February 2016...
October 6, 2016: Japanese Journal of Radiology
Genevieve Beauvais, Nicole M Bode, Jaime L Watson, Hsiang Wen, Kevin A Glenn, Hiroyuki Kawano, N Charles Harata, Michelle E Ehrlich, Pedro Gonzalez-Alegre
: Dystonia type 1 (DYT1) is a dominantly inherited neurological disease caused by mutations in TOR1A, the gene encoding the endoplasmic reticulum (ER)-resident protein torsinA. Previous work mostly completed in cell-based systems suggests that mutant torsinA alters protein processing in the secretory pathway. We hypothesized that inducing ER stress in the mammalian brain in vivo would trigger or exacerbate mutant torsinA-induced dysfunction. To test this hypothesis, we crossed DYT1 knock-in with p58(IPK)-null mice...
October 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Lourdes Fernández de Cossío, Andrea Guzmán, Suzanne van der Veldt, Giamal N Luheshi
Environmental challenges to the maternal immune system during pregnancy have been associated with an increase in the frequency of neurodevelopmental disorders such as Autism Spectrum Disorders (ASD) appearing in the offspring. Microglia, the brain's resident immune-cells, are now known to be critically involved in normal brain development, shaping connections between neurons by pruning superfluous synaptic spines. Our aim was to investigate whether maternal infection during critical stages of gestation compromises the role of microglia in sculpting neuronal circuits...
September 30, 2016: Brain, Behavior, and Immunity
Melanie Streicher, Michael Themessl-Huber, Karin Schindler, Cornel Christian Sieber, Michael Hiesmayr, Dorothee Volkert
BACKGROUND & AIMS: Oral nutritional supplements (ONS) can be helpful for nursing home (NH) residents to prevent or treat malnutrition. Presently little is known about the use of ONS in NHs and the factors associated with its use. Thus, the aim of this analysis was to describe the use of ONS in NHs participating in the nutritionDay project and to determine characteristics of NH residents receiving ONS. METHODS: Data from nutritionDay (nD), a cross-sectional multicenter study with standardized questionnaires on resident and NH level were analyzed...
September 17, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Jiannan Chen, Xiangjian Zhang, Cong Zhang, Wenhui Wang, Rong Chen, Honglei Jiao, Linlin Li, Lan Zhang, Lili Cui
Inflammation after stroke consists of activation of microglia/astrocytes in situ and infiltration of blood-borne leukocytes, resulting in brain damage and neurological deficits. Mounting data demonstrated that most natural components from medicinal plants had anti-inflammatory effects after ischemic stroke through inhibiting activation of resident microglia/astrocytes within ischemic area. However, it is speculated that this classical activity cannot account for the anti-inflammatory function of these natural components in the cerebral parenchyma, where they are detected at very low concentrations due to their poor membrane permeability and slight leakage of BBB...
2016: Mediators of Inflammation
Nicole Arnold, Thomas Girke, Suhas Sureshchandra, Ilhem Messaoudi
: Primary infection with varicella zoster virus (VZV), a neurotropic alpha herpesvirus, results in varicella. VZV establishes latency in the sensory ganglia and can reactivate later in life to cause herpes zoster. The relationship between VZV and its host during acute infection in the sensory ganglia is not well understood due to limited access to clinical specimens. Intrabronchial inoculation of rhesus macaques with simian varicella virus (SVV), recapitulates the hallmarks of VZV infection in humans...
September 28, 2016: Journal of Virology
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