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https://www.readbyqxmd.com/read/29210072/chemical-hypoxia-induced-integrated-stress-response-activation-in-oligodendrocytes-is-mediated-by-the-transcription-factor-nuclear-factor-erythroid-derived-2-like-2-nrf2
#1
Nico Teske, Annette Liessem, Felix Fischbach, Tim Clarner, C Beyer, Christoph Wruck, Athanassios Fragoulis, Simone C Tauber, Marion Victor, Markus Kipp
The extent of remyelination in multiple sclerosis (MS) lesions is often incomplete. Injury to oligodendrocyte progenitor cells can be a contributing factor for such incomplete remyelination. The precise mechanisms underlying insufficient repair remain to be defined, but oxidative stress appears to be involved. Here, we used immortalized oligodendrocyte cell lines as model systems to investigate a causal relation of oxidative stress and endoplasmic reticulum stress signaling cascades. OLN93 and OliNeu cells were subjected to chemical hypoxia by blocking the respiratory chain at various levels...
December 6, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29209970/haze-and-health-impacts-in-asean-countries-a-systematic-review
#2
Logaraj Ramakreshnan, Nasrin Aghamohammadi, Chng Saun Fong, Awang Bulgiba, Rafdzah Ahmad Zaki, Li Ping Wong, Nik Meriam Sulaiman
Seasonal haze episodes and the associated inimical health impacts have become a regular crisis among the ASEAN countries. Even though many emerging experimental and epidemiological studies have documented the plausible health effects of the predominating toxic pollutants of haze, the consistency among the reported findings by these studies is poorly understood. By addressing such gap, this review aimed to critically highlight the evidence of physical and psychological health impacts of haze from the available literature in ASEAN countries...
December 5, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29203759/-right-hemicolectomy-under-spinal-anesthesia-due-to-cancer-of-ascending-large-bowel-case-report
#3
Gniewomir Ćwiertnia, Michał Dyaczyński
Surgery procedures of the abdomen cavity are commonly performed in general anaesthesia. Patients from high risk group with circulatory insufficiency, respiratory failure pose a problem. They undergo surgical procedures for life indications and emergency cases. Regional anaesthesia can be an alternative for general anaesthesia, and makes planned surgical treatment possible for this group of patients. The study presents the case of 79-year-old male with chronic obstructive pulmonary disease, after left lung upper lobectomy, arterial hypertension, who underwent operation due to ascending large bowel cancer under spinal anaesthesia as planned...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29203574/blunt-chest-trauma-a-clinical-chameleon
#4
REVIEW
Kaveh Eghbalzadeh, Anton Sabashnikov, Mohamed Zeriouh, Yeong-Hoon Choi, Alexander C Bunck, Navid Mader, Thorsten Wahlers
The incidence of blunt chest trauma (BCT) is greater than 15% of all trauma admissions to the emergency departments worldwide and is the second leading cause of death after head injury in motor vehicle accidents. The mortality due to BCT is inhomogeneously described ranging from 9% to 60%. BCT is commonly caused by a sudden high-speed deceleration trauma to the anterior chest, leading to a compression of the thorax. All thoracic structures might be injured as a result of the trauma. Complex cardiac arrhythmia, heart murmurs, hypotension, angina-like chest pain, respiratory insufficiency or distention of the jugular veins may indicate potential cardiac injury...
December 4, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29197437/periodontal-diseases-and-systemic-disorders-what-do-our-doctors-know-a-general-practitioner-s-survey-conducted-in%C3%A2-southern-france
#5
Vinel Alexia, Vachon Chloé, Barthet Pierre, Laurencin-Dalicieux Sara
OBJECTIVES: With 39,359 entries on PubMed, periodontal medicine has a prominent position in periodontal research. Good patient care requires well-advised physicians, and whereas the dental community is informed about the relationships between periodontal diseases (PDs) and an increasing number of systemic pathologies, we wondered whether general practitioners were too. Thus, we aimed to evaluate their knowledge of the links between periodontal and systemic diseases. METHODS: To this end, we sent an electronic questionnaire to the 2350 general practitioners registered to the URPS (Union régionale des Professionnels de Santé) of Midi-Pyrénées, France...
December 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29196287/denitrification-by-anaeromyxobacter-dehalogenans-a-common-soil-bacterium-lacking-nitrite-reductase-genes-nirs-nirk
#6
Jenny R Onley, Samiha Ahsan, Robert A Sanford, Frank E Löffler
The versatile soil bacterium Anaeromyxobacter dehalogenans lacks the hallmark denitrification genes nirS and nirK (NO2-→NO), and couples growth to NO3- reduction to NH4+ (respiratory ammonification) and to N2O reduction to N2A. dehalogenans also grows by reducing Fe(III) to Fe(II), which chemically reacts with NO2- to form N2O (i.e., chemodenitrification). Following the addition of 100 μmoles of NO3- or NO2- to Fe(III)-grown, axenic cultures of A. dehalogenans, 54 (±7) μmoles and 113 (±2) μmoles N2O-N, respectively, were produced and subsequently consumed...
December 1, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29196066/cough-due-to-tuberculosis-and-other-chronic-infections-chest-guideline-and-expert-panel-report
#7
Stephen K Field, Patricio Escalante, Dina A Fisher, Belinda Ireland, Richard S Irwin
BACKGROUND: Cough is common in pulmonary tuberculosis (TB) and other chronic respiratory infections. Identifying features that predict whether pulmonary TB is the cause would help target appropriate individuals for rapid and cost-effective screening, potentially limiting disease progression, and preventing transmission to others. METHODS: A systematic literature search for individual studies to answer 8 Key questions (KQ) was conducted according to established Chest Organization methods using the following databases: MEDLINE via PubMed, EMBASE, Scopus and the Cochrane Database of Systematic Reviews from 1/1/1984 to April 2014...
November 28, 2017: Chest
https://www.readbyqxmd.com/read/29194478/male-neonate-with-legionellosis
#8
Adam M Szewc, Steve Taylor, Gary D Cage, Daphne de Mello
Legionellaceae are composed of a single genus, Legionella, which is currently comprised of over 52 species. L. pneumophila, L. micdadei, L. longbeachae, and L. dumoffi are clinically considered the most important, with L. pneumophila causing >90%1,7 of cases of legionnaires disease (LD). Since LD's recognition in 1976 following an outbreak of pneumonia involving delegates of an American Legion convention in Philadelphia, there has been increased awareness and importance of the isolation, detection, and reporting of these cases...
November 28, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29193829/riboflavin-transporter-deficiency-mimicking-mitochondrial-myopathy-caused-by-complex-ii-deficiency
#9
Graeme A M Nimmo, Resham Ejaz, Dawn Cordeiro, Peter Kannu, Saadet Mercimek-Andrews
Biallelic likely pathogenic variants in SLC52A2 and SLC52A3 cause riboflavin transporter deficiency. It is characterized by muscle weakness, ataxia, progressive ponto-bulbar palsy, amyotrophy, and sensorineural hearing loss. Oral riboflavin halts disease progression and may reverse symptoms. We report two new patients whose clinical and biochemical features were mimicking mitochondrial myopathy. Patient 1 is an 8-year-old male with global developmental delay, axial and appendicular hypotonia, ataxia, and sensorineural hearing loss...
November 30, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29189553/guillain-barr%C3%A3-syndrome-triggered-by-immune-checkpoint-inhibitors-a-case-report-and-literature-review
#10
Songkit Supakornnumporn, Bashar Katirji
Immune checkpoint inhibitors, used as immunotherapy in the treatment of melanoma and refractory cancer, may trigger autoimmune disorders. We describe a case of Guillain-Barré syndrome (GBS) after the treatment with ipilimumab and nivolumab and review 4 other reported cases. We confirmed the diagnosis of GBS by electrodiagnostic and cerebrospinal fluid studies. Electrodiagnostic results showed findings consistent with acquired demyelinating polyneuropathy and cerebrospinal fluid showed albuminocytologic dissociation...
December 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/29187358/vitamin-d-supplementation-during-pregnancy-state-of-the-evidence-from-a-systematic-review-of-randomised-trials
#11
Daniel E Roth, Michael Leung, Elnathan Mesfin, Huma Qamar, Jessica Watterworth, Eszter Papp
Objectives To estimate the effects of vitamin D supplementation during pregnancy on 11 maternal and 27 neonatal/infant outcomes; to determine frequencies at which trial outcome data were missing, unreported, or inconsistently reported; and to project the potential contributions of registered ongoing or planned trials.Design Systematic review and meta-analysis of randomised controlled trials; systematic review of registered but unpublished trials.Data sources Medline, Embase, PubMed, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials from inception to September 2017; manual searches of reference lists of systematic reviews identified in the electronic search; and online trial registries for unpublished, ongoing, or planned trials...
November 29, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29184593/cognitive-impairment-in-copd-should-cognitive-evaluation-be-part-of-respiratory-assessment
#12
REVIEW
Vasileios Andrianopoulos, Rainer Gloeckl, Ioannis Vogiatzis, Klaus Kenn
Cognitive impairment is highly prevalent in patients with COPD and demonstrates multiple detrimental effects on many aspects of patient state and therapeutic outcomes. It is attributed to several overlapping pathophysiological factors, with the most common being the low level of oxygen saturation due to respiratory insufficiency. Despite the impact of cognitive impairment on clinical outcomes, the screening for coexisting cognitive deficits which may interfere with the successful progress of respiratory treatment is yet neglected...
March 2017: Breathe
https://www.readbyqxmd.com/read/29181534/association-between-decline-in-slow-vital-capacity-and-respiratory-insufficiency-use-of-assisted-ventilation-tracheostomy-or-death-in-patients-with-amyotrophic-lateral-sclerosis
#13
Jinsy A Andrews, Lisa Meng, Sarah F Kulke, Stacy A Rudnicki, Andrew A Wolff, Michael E Bozik, Fady I Malik, Jeremy M Shefner
Importance: The prognostic value of slow vital capacity (SVC) in relation to respiratory function decline and disease progression in patients with amyotrophic lateral sclerosis (ALS) is not well understood. Objective: To investigate the rate of decline in percentage predicted SVC and its association with respiratory-related clinical events and mortality in patients with ALS. Design, Setting, and Participants: This retrospective study included 893 placebo-treated patients from 2 large clinical trials (EMPOWER and BENEFIT-ALS, conducted from March 28, 2011, to November 1, 2012, and from October 23, 2012, to March 21, 2014, respectively) and an ALS trial database (PRO-ACT, containing studies completed between 1990 and 2010) to investigate the rate of decline in SVC...
November 27, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29178646/novel-autosomal-dominant-tnnt1-mutation-causing-nemaline-myopathy
#14
Chamindra G Konersman, Fernande Freyermuth, Thomas L Winder, Michael W Lawlor, Clotilde Lagier-Tourenne, Shailendra B Patel
BACKGROUND: Nemaline myopathy (NEM) is one of the three major forms of congenital myopathy and is characterized by diffuse muscle weakness, hypotonia, respiratory insufficiency, and the presence of nemaline rod structures on muscle biopsy. Mutations in troponin T1 (TNNT1) is 1 of 10 genes known to cause NEM. To date, only homozygous nonsense mutations or compound heterozygous truncating or internal deletion mutations in TNNT1 gene have been identified in NEM. This extended family is of historical importance as some members were reported in the 1960s as initial evidence that NEM is a hereditary disorder...
November 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/29176025/a-newborn-with-combined-pituitary-hormone-deficiency-developing-shock-and-sludge
#15
Yasuhiro Ueda, Hayato Aoyagi, Toshihiro Tajima
A male neonate was born at 41 weeks of gestation with a birth weight of 3320 g. Artificial respiratory management was required due to respiratory disturbance 1 h after birth, and subsequently catecholamine-refractory low cardiac output-induced shock occurred. Severe combined pituitary hormone deficiency (CPHD) was considered based on the presence of his respiratory disturbance, hypoglycemia and micropenis. After hydrocortisone (HDC) administration, circulatory dynamics rapidly improved. Brain magnetic resonance imaging (MRI) showed aplasia of the anterior pituitary gland and ectopic posterior gland...
November 25, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29174288/-update-on-the-respiratory-management-of-patients-with-chronic-neuromuscular-disease
#16
REVIEW
P Priou, W Trzepizur, N Meslier, F Gagnadoux
BACKGROUND: Neuromuscular diseases include a wide range of conditions that may involve potentially life-threatening respiratory complications (infection, respiratory failure). SURVEILLANCE AND PULMONARY FUNCTION TESTS: For patients with neuromuscular diseases, clinical assessment of respiratory function and regular pulmonary function tests are needed to screen for nocturnal respiratory disorders, weakness of the diaphragm and potential restrictive disorders and/or chronic hypercapnic respiratory insufficiency, possibly with couch deficiency...
November 21, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29167928/pulmonary-contusions-after-blunt-chest-trauma-clinical-significance-and-evaluation-of-patient-management
#17
Z Požgain, D Kristek, I Lovrić, G Kondža, M Jelavić, J Kocur, M Danilović
INTRODUCTION: A pulmonary contusion is an entity defined as alveolar haemorrhage and pulmonary parenchymal destruction after blunt chest trauma. According to the literature, most pulmonary contusions can only be seen on a chest CT. The aim of this study was to evaluate the patients with pulmonary contusions, as well as their management, considering diagnostic and therapeutic options related to their outcomes, since we assumed, based on everyday clinical practice, that an 'overdiagnosing' and 'overtreatment' attitude towards this injury could be present...
November 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29167658/atypical-electrophysiological-findings-in-a-patient-with-acute-motor-and-sensory-axonal-neuropathy
#18
Viviana Versace, Stefania Campostrini, Frediano Tezzon, Sara Martignago, Markus Kofler, Leopold Saltuari, Luca Sebastianelli, Raffaele Nardone
Guillain-Barré syndrome (GBS) is an immune-mediated polyradiculoneuropathy with acute onset and rapid clinical worsening; early diagnosis and immunomodulating therapy can ameliorate the course of disease. During the first days, however, nerve conduction studies (NCSs) are not always conclusive. Here, we describe a 73-year-old man presenting with progressive muscular weakness of the lower limbs, ascending to the upper limbs, accompanied by distal sensory disturbances. Neuroimaging of brain and spine and NCSs were unremarkable; cerebrospinal fluid analysis revealed no albuminocytologic dissociation...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29160099/safety-of-intradiaphragmatic-delivery-of-adeno-associated-virus-mediated-alpha-glucosidase-raav1-cmv-hgaa-gene-therapy-in-children-affected-by-pompe-disease
#19
Manuela Corti, Cristina Liberati, Barbara K Smith, Lee Ann Lawson, Ibrahim S Tuna, Thomas J Conlon, Kirsten E Erger, Saleem Islam, Roland Herzog, David D Fuller, Shelley Collins, Barry J Byrne
We conducted a first in human trial of diaphragmatic gene therapy (AAV1-CMV-GAA) to treat respiratory and neural dysfunction in early-onset Pompe disease. The primary objective of this study was to assess the safety of rAAV1-CMV-hGAA vector delivered to the diaphragm muscle of Pompe disease subjects with ventilatory insufficiency. Safety was assessed by measurement of change in serum chemistries and hematology, urinalysis, and immune response to GAA and AAV as well as change in level of health. Our data demonstrate that the AAV treatment was safe and there were no adverse events related to the study agent...
November 21, 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/29157272/mechanistic-insight-into-the-impact-of-nanomaterials-on-asthma-and-allergic-airway-disease
#20
REVIEW
Kirsty Meldrum, Chang Guo, Emma L Marczylo, Timothy W Gant, Rachel Smith, Martin O Leonard
Asthma is a chronic respiratory disease known for its high susceptibility to environmental exposure. Inadvertent inhalation of engineered or incidental nanomaterials is a concern for human health, particularly for those with underlying disease susceptibility. In this review we provide a comprehensive analysis of those studies focussed on safety assessment of different nanomaterials and their unique characteristics on asthma and allergic airway disease. These include in vivo and in vitro approaches as well as human and population studies...
November 21, 2017: Particle and Fibre Toxicology
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