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https://www.readbyqxmd.com/read/29146435/epidemiology-and-management-of-spinal-trauma-in-children-and-adolescents-under-18-years-old
#1
Asdrubal Falavigna, Orlando Righesso, Pedro Guarise da Silva, Felix Adolfo Sanchez Chavez, Ericson Sfreddo, Leandro Pelegrini de Almeida, Manuel Jose Valencia Carrasco, Andrei Fernandes Joaquim
STUDY DESIGN: Retrospective study. OBJECTIVE: Report the epidemiology, clinical aspects and management of spinal trauma in children and adolescents. METHODS: Multicenter study of 215 cases of spinal trauma in individuals younger than 18 years of age. All patients were submitted to preoperative and postoperative radiological and clinical evaluation. The fractures were classified according to the AOSpine fracture classification. Neurological evaluation was performed using the Frankel Scale at admission to hospital and at the last follow-up...
November 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29145839/structural-effects-of-intra-articular-tgf-%C3%AE-1-in-moderate-to-advanced-knee-osteoarthritis-mri-based-assessment-in-a-randomized-controlled-trial
#2
A Guermazi, G Kalsi, J Niu, M D Crema, R O Copeland, A Orlando, M J Noh, F W Roemer
BACKGROUND: To determine effects of allogeneic human chondrocytes expressing TGF-β1 (TG-C) on structural progression of MRI features of knee osteoarthritis over a 1 year period. METHODS: This phase II randomized controlled trial of TG-C included patients with moderate to advanced osteoarthritis. Patients were randomized to receive an intraarticular 3:1 mixture of non-transduced allogeneic human chondrocytes and TG-C or placebo. 3 T MRI was acquired for all patients at baseline and follow-up (3, 6 and 12 months)...
November 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29145068/anorexigenic-effects-induced-by-rvd-hemopressin-%C3%AE-administration
#3
Claudio Ferrante, Lucia Recinella, Sheila Leone, Annalisa Chiavaroli, Chiara Di Nisio, Sara Martinotti, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: Hemopressin, VD-hemopressin(α) and RVD-hemopressin(α) are hemoglobin α chain derived-peptides which have been found in mouse brain, and where they modulate cannabinoid (CB) receptor function. The nonapeptide hemopressin has been reported to inhibit feeding after both central and peripheral administration, possibly playing a role of antagonist/inverse agonist of CB1 receptors, and consequently blocking the orexigenic effects of endogenous cannabinoids. VD-hemopressin(α) and RVD- hemopressin(α), are N-terminal extended forms of hemopressin...
June 3, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29143180/oxidative-stress-in-adult-growth-hormone-deficiency-different-plasma-antioxidant-patterns-in-comparison-with-metabolic-syndrome
#4
Antonio Mancini, Chantal Di Segni, Carmine Bruno, Giulio Olivieri, Francesco Guidi, Andrea Silvestrini, Elisabetta Meucci, Patrick Orlando, Sonia Silvestri, Luca Tiano, Alfredo Pontecorvi
BACKGROUND AND AIMS: Growth hormone deficiency (GHD) is a condition associated with increased cardiovascular risk and insulin-resistance. Oxidative stress (OS) could be a mechanism underlying both these phenomena. In order to investigate plasma antioxidant defenses in such condition, we evaluated adults with GHD, compared with controls and metabolic syndrome patients (MetS), studying plasma total antioxidant capacity (TAC) and coenzyme Q10 (CoQ10, lipophilic antioxidant) levels, both in its oxidized and reduced forms, correlating this data with metabolic and hormonal pattern...
November 15, 2017: Endocrine
https://www.readbyqxmd.com/read/29141935/pyoderma-gangrenosum-combination-therapy-with-excellent-results-in-a-patient-with-underlying-hepatitis-c
#5
Alfredo Iardino, Orlando Garner, Yasir Ahmed, Kalpana Bhairavarasu
No abstract text is available yet for this article.
November 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29138954/identification-of-compounds-from-palicourea-rigida-leaves-with-topical-anti-inflammatory-potential-using-experimental-models
#6
Rafael P Pinheiro, Muiara A Moraes, Bruna C S Santos, Rodrigo L Fabri, Glauciemar Del-Vechio-Vieira, Célia H Yamamoto, Ana Lúcia S M Araújo, Aílson L A Araújo, Orlando V Sousa
Palicourea rigida Kunth is traditionally used for the treatment of skin diseases, kidney pains and ovarian inflammation. Based on these traditional uses, this study evaluated the topical anti-inflammatory activity of the ethanol extract from P. rigida leaves (EEPR) and identified bioactive compounds. Ear edema was induced in Swiss mice by the topical application of Croton oil, arachidonic acid, phenol and capsaicin. Histopathological analysis and myeloperoxidase and N-acetyl-β-D-glucosaminidase activities were determined...
November 14, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29138485/evaluating-the-impact-of-domestication-and-captivity-on-the-horse-gut-microbiome
#7
Jessica L Metcalf, Se Jin Song, James T Morton, Sophie Weiss, Andaine Seguin-Orlando, Frédéric Joly, Claudia Feh, Pierre Taberlet, Eric Coissac, Amnon Amir, Eske Willerslev, Rob Knight, Valerie McKenzie, Ludovic Orlando
The mammal gut microbiome, which includes host microbes and their respective genes, is now recognized as an essential second genome that provides critical functions to the host. In humans, studies have revealed that lifestyle strongly influences the composition and diversity of the gastrointestinal microbiome. We hypothesized that these trends in humans may be paralleled in mammals subjected to anthropogenic forces such as domestication and captivity, in which diets and natural life histories are often greatly modified...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29134419/acute-administration-of-the-nonpathogenic-saprophytic-bacterium-mycobacterium-vaccae-induces-activation-of-serotonergic-neurons-in-the-dorsal-raphe-nucleus-and-antidepressant-like-behavior-in-association-with-mild-hypothermia
#8
Philip H Siebler, Jared D Heinze, Drake M Kienzle, Matthew W Hale, Jodi L Lukkes, Nina C Donner, Jared M Kopelman, Orlando A Rodriguez, Christopher A Lowry
Peripheral immune activation can have profound physiologic and behavioral effects. One mechanism through which immune activation may affect physiology and behavior is through actions on brainstem neuromodulatory systems, such as serotonergic systems. To test this hypothesis, in Experiment 1, adult male BALB/c mice were implanted with telemetric recording devices and then immunized with Mycobacterium vaccae NCTC 11659 (0.1 mg, s.c.; Days - 28, - 14; N = 36). On Day 1, mice received an acute challenge with M...
November 13, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/29131593/formulation-and-composition-effects-in-phase-transitions-of-emulsions-co-stabilized-by-cellulose-nanofibrils-and-an-ionic-surfactant
#9
Siqi Huan, Shingo Yokota, Long Bai, Mariko Ago, Maryam Borghei, Tetsuo Kondo, Orlando J Rojas
Cellulose nanofibrils (CNF) offer great prospects as a natural stabilizer of colloidal dispersions and complex fluids for application in food, pharma, and cosmetics. In this study, an ionic surfactant (sodium dodecyl sulfate, SDS) was used as emulsifier of oil-in-water and water-in-oil emulsions that were further co-stabilized by addition of CNF. The adsorption properties of SDS in both, CNF dispersions and emulsions, as well as the influence of composition (CNF and SDS concentration) and formulation (ionic strength, oil and CNF types) on the phase behavior were elucidated and described in the framework of Windsor systems...
November 13, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29128806/emotional-disorders-induced-by-hemopressin-and-rvd-hemopressin-%C3%AE-administration-in-rats
#10
Sheila Leone, Lucia Recinella, Annalisa Chiavaroli, Sara Martinotti, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: The endocannabinoid (eCB) system plays an important role in regulating emotional disorders, and is involved, directly or indirectly, in psychiatric diseases, such as anxiety and depression. Hemopressin, a hemoglobin α chain-derived peptide, and RVD-hemopressin(α), a N-terminally extended form of hemopressin, act as antagonist/inverse agonist and negative allosteric modulator of the cannabinoid 1 (CB1) receptor, respectively. METHODS: Considering the possible involvement of these peptides on emotional behaviour, the aim of our study was to investigate the behavioural effects of a single intraperitoneal (ip) injection of hemopressin (0...
June 23, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29127505/high-resolution-ultrasonography-of-the-normal-extratemporal-facial-nerve
#11
Hannes Wegscheider, Gerd Fabian Volk, Orlando Guntinas-Lichius, Bernhard Moriggl
The technical advances in sonography of the past decade have supported the rapid improvement of high-resolution imaging, which enables the quick visualization of peripheral nerves at relatively limited costs. Recently, the possibility of visualizing the extratemporal facial nerve (FN) has been considered. This manuscript describes the first systematic evaluation in cadavers, of a novel ultrasonographic approach with this specific aim. Eight cadaveric hemifaces were evaluated by means of high-frequency ultrasound with two linear (13 and 22 MHz) and a convex transducer (6...
November 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29127487/towards-a-unified-understanding-of-lithium-action-in-basic-biology-and-its-significance-for-applied-biology
#12
REVIEW
Eric Jakobsson, Orlando Argüello-Miranda, See-Wing Chiu, Zeeshan Fazal, James Kruczek, Santiago Nunez-Corrales, Sagar Pandit, Laura Pritchet
Lithium has literally been everywhere forever, since it is one of the three elements created in the Big Bang. Lithium concentration in rocks, soil, and fresh water is highly variable from place to place, and has varied widely in specific regions over evolutionary and geologic time. The biological effects of lithium are many and varied. Based on experiments in which animals are deprived of lithium, lithium is an essential nutrient. At the other extreme, at lithium ingestion sufficient to raise blood concentration significantly over 1 mM/, lithium is acutely toxic...
November 10, 2017: Journal of Membrane Biology
https://www.readbyqxmd.com/read/29126829/palliative-care-in-diffuse-interstitial-lund-disease-results-of-a-spanish-survey
#13
Silvia Barril, Ana Alonso, José Antonio Rodríguez-Portal, Margarita Viladot, Jordi Giner, Francisco Aparicio, Ana Romero-Ortiz, Orlando Acosta, Diego Castillo
INTRODUCTION: Interstitial lung diseases (ILD) and, in particular, idiopathic pulmonary fibrosis, may have a significant impact on patient survival. Recent studies highlight the need for palliative care (PC) in the management of ILD patients. The aim of this study was to determine the current situation of PC in patients in Spain. METHODS: A 36-question survey addressing the main aspects of PC in ILD patients was designed. The survey was sent via email to all members of the Spanish Society of Pulmonology and Thoracic Surgery...
November 7, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29124392/tracking-the-evolutionary-pathway-of-sex-chromosomes-among-fishes-characterizing-the-unique-xx-xy1y2-system-in-hoplias-malabaricus-teleostei-characiformes
#14
Ezequiel Aguiar de Oliveira, Alexandr Sember, Luiz Antonio Carlos Bertollo, Cassia Fernanda Yano, Tariq Ezaz, Orlando Moreira-Filho, Terumi Hatanaka, Vladimir Trifonov, Thomas Liehr, Ahmed Basheer Hamid Al-Rikabi, Petr Ráb, Hugmar Pains, Marcelo de Bello Cioffi
The Neotropical fish, Hoplias malabaricus, is one of the most cytogenetically studied fish taxon with seven distinct karyomorphs (A-G) comprising varying degrees of sex chromosome differentiation, ranging from homomorphic to highly differentiated simple and multiple sex chromosomes. Therefore, this fish offers a unique opportunity to track evolutionary mechanisms standing behind the sex chromosome evolution and differentiation. Here, we focused on a high-resolution cytogenetic characterization of the unique XX/XY1Y2 multiple sex chromosome system found in one of its karyomorphs (G)...
November 9, 2017: Chromosoma
https://www.readbyqxmd.com/read/29123962/distinctive-features-of-tumor-infiltrating-%C3%AE-%C3%AE-t-lymphocytes-in-human-colorectal-cancer
#15
S Meraviglia, E Lo Presti, M Tosolini, C La Mendola, V Orlando, M Todaro, V Catalano, G Stassi, G Cicero, S Vieni, J J Fourniè, F Dieli
γδ T cells usually infiltrate many different types of cancer, but it is unclear whether they inhibit or promote tumor progression. Moreover, properties of tumor-infiltrating γδ T cells and those in the corresponding normal tissue remain largely unknown. Here we have studied features of γδ T cells in colorectal cancer, normal colon tissue and peripheral blood, and correlated their levels with clinicopathologic hallmarks. Flow cytometry and transcriptome analyses showed that the tumor comprised a highly variable rate of TILs (5-90%) and 4% γδ T cells on average, with the majority expressing Vδ1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29123615/the-combination-of-physical-exercise-with-muscle-directed-antioxidants-to-counteract-sarcopenia-a-biomedical-rationale-for-pleiotropic-treatment-with-creatine-and-coenzyme-q10
#16
REVIEW
Michele Guescini, Luca Tiano, Maria Luisa Genova, Emanuela Polidori, Sonia Silvestri, Patrik Orlando, Carmela Fimognari, Cinzia Calcabrini, Vilberto Stocchi, Piero Sestili
Sarcopenia represents an increasing public health risk due to the rapid aging of the world's population. It is characterized by both low muscle mass and function and is associated with mobility disorders, increased risk of falls and fractures, loss of independence, disabilities, and increased risk of death. Despite the urgency of the problem, the development of treatments for sarcopenia has lagged. Increased reactive oxygen species (ROS) production and decreased antioxidant (AO) defences seem to be important factors contributing to muscle impairment...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29123175/structure-constrained-by-metadata-in-networks-of-chess-players
#17
Nahuel Almeira, Ana L Schaigorodsky, Juan I Perotti, Orlando V Billoni
Chess is an emblematic sport that stands out because of its age, popularity and complexity. It has served to study human behavior from the perspective of a wide number of disciplines, from cognitive skills such as memory and learning, to aspects like innovation and decision-making. Given that an extensive documentation of chess games played throughout history is available, it is possible to perform detailed and statistically significant studies about this sport. Here we use one of the most extensive chess databases in the world to construct two networks of chess players...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122670/infection-of-neuroblastoma-cells-by-rabies-virus-is-modulated-by-the-virus-titer
#18
Natalia Langenfeld Fuoco, Sandriana Dos Ramos Silva, Elaine Raniero Fernandes, Fernanda Guedes Luiz, Orlando Garcia Ribeiro, Iana Suly Santos Katz
Rabies is a lethal viral infection that can affect almost all mammals, including humans. To better understand the replication of Rabies lyssavirus, we investigated if the viral load in brains naturally infected with rabies influences viral internalization and viral growth kinetics in neuroblastoma cells, and if the viral load affects mortality in mice after intradermal infection. We noted that high initial viral loads in brains (group II) were unfavourable for increasing viral titers during serial passages in neuroblastoma cells when compared to low initial viral loads in brains (group I)...
November 6, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29121971/cmr-based-blood-oximetry-via-multi-parametric-estimation-using-multiple-t2-measurements
#19
Juliet Varghese, Lee C Potter, Richard LaFountain, Xueliang Pan, Subha V Raman, Rizwan Ahmad, Orlando P Simonetti
BACKGROUND: Measurement of blood oxygen saturation (O2 saturation) is of great importance for evaluation of patients with many cardiovascular diseases, but currently there are no established non-invasive methods to measure blood O2 saturation in the heart. While T2-based CMR oximetry methods have been previously described, these approaches rely on technique-specific calibration factors that may not generalize across patient populations and are impractical to obtain in individual patients...
November 9, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29121520/effects-of-growth-hormone-releasing-hormone-gene-targeted-ablation-on-ghrelin-induced-feeding
#20
Lucia Recinella, Sheila Leone, Claudio Ferrante, Annalisa Chiavaroli, Rugia Shohreh, Chiara Di Nisio, Michele Vacca, Giustino Orlando, Roberto Salvatori, Luigi Brunetti
Impairment of growth hormone (GH) signaling has been associated with increased feeding and adiposity. The gastric hormone ghrelin, in addition to its GH-secretagogue effects, stimulates food intake after both central and peripheral administration. In the present study we further investigated the feeding regulatory role of the ghrelin-GH axis in a mouse model of isolated GH deficiency due to targeted ablation of the GH-releasing hormone (GHRH) gene [GHRH knockout (GHRHKO)]. We evaluated the effects of intracerebroventricular ghrelin administration on feeding behavior, related hypothalamic neuropeptides and neurotransmitters, and serum ghrelin levels in mice homozygous for GHRHKO allele (-/-) and heterozygous (+/-) control animals...
November 6, 2017: Growth Hormone & IGF Research
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