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https://www.readbyqxmd.com/read/28346888/oxidative-and-nitrosative-stress-biomarkers-in-chronic-schizophrenia
#1
Karine Maria Boll, Cristiano Noto, Kamila Landucci Bonifácio, Chiara Cristina Bortolasci, Ary Gadelha, Rodrigo Affonseca Bressan, Décio Sabbatini Barbosa, Michael Maes, Estefania Gastaldello Moreira
There is evidence that the acute phase of schizophrenia (SCZ) is accompanied by specific changes in oxidative and nitrosative stress (O&NS) biomarkers. There are, however, no firm data regarding these biomarkers in chronic SCZ. Therefore, this study aimed to delineate O&NS biomarkers in patients with chronic SCZ. 125 outpatients with SCZ and 118 controls were enrolled. The markers included lipid hydroperoxides (LOOH), advanced oxidation protein products (AOPP), nitric oxide metabolites (NOx), total radical-trapping antioxidant parameter (TRAP) and paraoxonase 1 (PON-1) activity...
March 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28346877/stevia-rebaudiana-bertoni-effect-on-the-hemolytic-potential-of-listeria-monocytogenes
#2
S Sansano, A Rivas, M C Pina-Pérez, A Martinez, D Rodrigo
The effect of Stevia rebaudiana Bertoni on the hemolytic potential of Listeria monocytogenes was studied by means of the assessment of the Listeriolysin O (LLO) production. The three factors under study, stevia concentration in the range [0-2.5] % (w/v), incubation temperature (10 and 37°C), and exposure time (0-65h) significantly affected (p≤0.05) the hemolytic activity of L. monocytogenes. Results showed that at the lower incubation temperature the hemolytic potential of the bacterium was significantly reduced, from 100% at 37°C to 8% at 10°C (after 65h of incubation) in unsupplemented substrate (0% stevia)...
March 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28346498/characteristics-of-seasonal-influenza-a-and-b-in-latin-america-influenza-surveillance-data-from-ten-countries
#3
Saverio Caini, Wladimir J Alonso, Angel Balmaseda, Alfredo Bruno, Patricia Bustos, Leticia Castillo, Celina de Lozano, Doménica de Mora, Rodrigo A Fasce, Walquiria Aparecida Ferreira de Almeida, Gabriela F Kusznierz, Jenny Lara, Maria Luisa Matute, Brechla Moreno, Claudio Maierovitch Pessanha Henriques, Juan Manuel Rudi, Clotilde El-Guerche Séblain, François Schellevis, John Paget
INTRODUCTION: The increased availability of influenza surveillance data in recent years justifies an actual and more complete overview of influenza epidemiology in Latin America. We compared the influenza surveillance systems and assessed the epidemiology of influenza A and B, including the spatio-temporal patterns of influenza epidemics, in ten countries and sub-national regions in Latin America. METHODS: We aggregated the data by year and country and characteristics of eighty-two years were analysed...
2017: PloS One
https://www.readbyqxmd.com/read/28344976/a-metataxonomic-approach-could-be-considered-for-cattle-clinical-mastitis-diagnostics
#4
Joanne W H Oultram, Erika K Ganda, Sarah C Boulding, Rodrigo C Bicalho, Georgios Oikonomou
Mastitis is one of the most costly diseases affecting the dairy industry, and identification of the causative microorganism(s) is essential. Here, we report the use of next-generation sequencing of bacterial 16S rRNA genes for clinical mastitis diagnosis. We used 65 paired milk samples, collected from the mastitic and a contralateral healthy quarter of mastitic dairy cattle to evaluate the technique as a potential alternative to bacterial culture or targeted PCR. One large commercial dairy farm was used, with one trained veterinarian collecting the milk samples...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28344793/correlation-between-adenoma-detection-rate-in-colonoscopy-and-fecal-immunochemical-testing-based-colorectal-cancer-screening-programs
#5
Joaquín Cubiella, Antoni Castells, Montserrat Andreu, Luis Bujanda, Fernando Carballo, Rodrigo Jover, Ángel Lanas, Juan Diego Morillas, Dolores Salas, Enrique Quintero
BACKGROUND: The adenoma detection rate (ADR) is the main quality indicator of colonoscopy. The ADR recommended in fecal immunochemical testing (FIT)-based colorectal cancer screening programs is unknown. METHODS: Using the COLONPREV (NCT00906997) study dataset, we performed a post-hoc analysis to determine if there was a correlation between the ADR in primary and work-up colonoscopy, and the equivalent figure to the minimal 20% ADR recommended. Colonoscopy was performed in 5722 individuals: 5059 as primary strategy and 663 after a positive FIT result (OC-Sensor™; cut-off level 15 µg/g of feces)...
March 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28344693/point-of-care-ultrasound-as-a-competency-for-general-internists-a-survey-of-internal-medicine-training-programs-in-canada
#6
Jonathan Ailon, Ophyr Mourad, Maral Nadjafi, Rodrigo Cavalcanti
BACKGROUND: Point-of-care ultrasound (POCUS) is increasingly used on General Internal Medicine (GIM) inpatient services, creating a need for defined competencies and formalized training. We evaluated the extent of training in POCUS and the clinical use of POCUS among Canadian GIM residency programs. METHOD: Internal Medicine trainees and GIM Faculty at the University of Toronto were surveyed on their clinical use of POCUS and the extent of their training. We separately surveyed Canadian IM Program Directors and Division Directors on the extent of POCUS training in their programs, barriers in the implementation of POCUS curricula, and recommendations for POCUS competencies in IM...
October 2016: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/28344069/selective-post-training-time-window-for-memory-consolidation-interference-of-cannabidiol-into-the-prefrontal-cortex-reduced-dopaminergic-modulation-and-immediate-gene-expression-in-limbic-circuits
#7
Matheus Teixeira Rossignoli, Cleiton Lopes-Aguiar, Rafael Naime Ruggiero, Raquel Araujo Do Val da Silva, Lezio Soares Bueno-Junior, Ludmyla Kandratavicius, José Eduardo Peixoto-Santos, José Alexandre Crippa, Jaime Eduardo Cecilio Hallak, Antonio Waldo Zuardi, Raphael Escorsim Szawka, Janete Anselmo-Franci, João Pereira Leite, Rodrigo Neves Romcy-Pereira
The prefrontal cortex (PFC), amygdala and hippocampus display a coordinated activity during acquisition of associative fear memories. Evidence indicates that PFC engagement in aversive memory formation does not progress linearly as previously thought. Instead, it seems to be recruited at specific time windows after memory acquisition, which has implications for the treatment of post-traumatic stress disorders. Cannabidiol (CBD), the major non-psychotomimetic phytocannabinoid of the Cannabis sativa plant, is known to modulate contextual fear memory acquisition in rodents...
March 23, 2017: Neuroscience
https://www.readbyqxmd.com/read/28344042/exercise-differentially-affects-metabolic-functions-and-white-adipose-tissue-in-female-letrozole-and-dihydrotestosterone-induced-mouse-models-of-polycystic-ovary-syndrome
#8
Rodrigo R Marcondes, Manuel Maliqueo, Romina Fornes, Anna Benrick, Min Hu, Niklas Ivarsson, Mattias Carlström, Samuel W Cushman, Karin G Stenkula, Gustavo A R Maciel, Elisabet Stener-Victorin
Here we hypothesized that exercise in dihydrotestosterone (DHT) or letrozole (LET)-induced polycystic ovary syndrome mouse models improves impaired insulin and glucose metabolism, adipose tissue morphology, and expression of genes related to adipogenesis, lipid metabolism, Notch pathway and browning in inguinal and mesenteric fat. DHT-exposed mice had increased body weight, increased number of large mesenteric adipocytes. LET-exposed mice displayed increased body weight and fat mass, decreased insulin sensitivity, increased frequency of small adipocytes and increased expression of genes related to lipolysis in mesenteric fat...
March 24, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28343925/influence-of-alveolar-bone-loss-and-cement-layer-thickness-on-the-biomechanical-behavior-of-endodontically-treated-maxillary-incisors-a-3-dimensional-finite-element-analysis
#9
Amanda Maria de Oliveira Dal Piva, João Paulo Mendes Tribst, Rodrigo Othávio de Assunção E Souza, Alexandre Luiz Souto Borges
INTRODUCTION: In order to understand the mechanical behavior of a weakened incisor, this study aimed to evaluate the stress distribution caused by different alveolar bone heights and cement layer thickness. METHODS: A finite element analysis was conducted for this investigation. An intact maxillary central incisor was initially modeled, and the bone of the models was modified in order to simulate 4 levels of bone height: BL0 (no bone loss), BL1 (1/3 bone loss), BL2 (1/2 bone loss), and BL3 (2/3 bone loss)...
March 23, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28343913/sumoylation-inhibition-mediated-by-disruption-of-sumo-e1-e2-interactions-confers-plant-susceptibility-to-necrotrophic-fungal-pathogens
#10
Laura Castaño-Miquel, Abraham Mas, Inês Teixeira, Josep Seguí, Anna Perearnau, Bhagyasree N Thampi, Arnaldo L Schapire, Natalia Rodrigo, Gaelle La Verde, Silvia Manrique, Maria Coca, L Maria Lois
Protein modification by SUMO modulates essential biological processes in eukaryotes. SUMOylation is facilitated by sequential action of the E1-activating, E2-conjugating, and E3-ligase enzymes. In plants, SUMO regulates plant development and stress responses, which are key determinants in agricultural productivity. To generate additional tools for advancing our knowledge about the SUMO biology, we have developed a strategy for inhibiting in vivo SUMO conjugation based on disruption of SUMO E1-E2 interactions through expression of E1 SAE2(UFDCt) domain...
February 14, 2017: Molecular Plant
https://www.readbyqxmd.com/read/28343732/ethical-issues-in-non-intervention-trials-for-thyroid-cancer
#11
P Angelos, D M Hartl, J P Shah, I J Nixon, R P Owen, A Rinaldo, J P Rodrigo, A R Shaha, C E Silver, C Suárez, A Ferlito
In recent years, the increasing numbers of small, apparently indolent thyroid cancers diagnosed in the world have encouraged investigators to consider non-intervention as an alternative to surgical management. In the following pages, the prospect of a non-intervention trial for thyroid cancer is considered with attention to the ethical issues that such a trial might raise. Such a non-intervention trial is analyzed relative to 7 ethical considerations: the social or scientific value of the research, the scientific validity of the trial, the necessity of fair selection of participants, a favorable risk-benefit ratio for trial participants, independent review of the trial, informed consent, and allowing the study participants to withdraw from the trial...
March 16, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28343621/fixed-flexion-knee-radiography-using-a-new-positioning-device-produced-highly-repeatable-measurements-of-joint-space-width-elsa-brasil-musculoskeletal-study-elsa-brasil-msk
#12
Rosa Weiss Telles, Luciana Costa-Silva, Luciana A C Machado, Rodrigo Citton Padilha Dos Reis, Sandhi Maria Barreto
OBJECTIVE: To describe the performance of a non-fluoroscopic fixed-flexion PA radiographic protocol with a new positioning device, developed for the assessment of knee osteoarthritis (OA) in Brazilian Longitudinal Study of Adult Health Musculoskeletal Study (ELSA-Brasil MSK). MATERIAL AND METHODS: A test-retest design including 19 adults (38 knee images) was conducted. Feasibility of the radiographic protocol was assessed by image quality parameters and presence of radioanatomic alignment according to intermargin distance (IMD) values...
March 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/28343324/a-new-species-of-neocosmocercella-baker-vaucher-1983-nematoda-cosmocercidae-a-parasite-of-phyllomedusa-vaillantii-boulenger-anura-phyllomedusidae-in-the-caxiuan%C3%A3-national-forest-eastern-amazon-brazil
#13
Ana Nunes Dos Santos, Allan Rodrigo Oliveira Rodrigues, Jeannie Nascimento Dos Santos, Cynthya Elizabeth González, Francisco Tiago de Vasconcelos Melo
Neocosmocercella bakeri n. sp. is described from the large intestine of Phyllomedusa vaillantii Boulenger collected in the Caxiuanã National Forest in the Eastern Brazilian Amazon. The new species is easily distinguished from the type-species of the genus, Neocosmocercella paraguayensis Baker & Vaucher, 1983 in possessing a triangular mouth opening with three simple lips (vs three bi-lobed lips and hexagonal mouth opening) and somatic papillae, which are absent in N. paraguayensis. The males of the new species are distinguished by the distribution of the sessile cloacal papillae and the dimensions of the gubernaculum, whereas the females are distinguished by their smaller size and opisthodelphic uterus...
March 25, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28342739/supervised-physical-therapy-vs-home-exercise-program-for-patients-with-distal-radius-fracture-a-single-blind-randomized-clinical-study
#14
Héctor Gutiérrez-Espinoza, David Rubio-Oyarzún, Cristian Olguín-Huerta, Rodrigo Gutiérrez-Monclus, Sebastian Pinto-Concha, Gonzalo Gana-Hervias
STUDY DESIGN: Randomized clinical study. INTRODUCTION: Supervised physical therapy (PT) and home exercise programs (HEPs) are frequently used in the rehabilitation of patients with distal radius fracture (DRF). However, there is no consensus as to whether unsupervised HEP provides comparable benefits to those achieved by supervised PT. PURPOSE OF THE STUDY: To compare the improvements in pain and functional status between a supervised PT program and unsupervised HEP in DRF patients older than 60 years...
March 22, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28342533/eosinophilic-dermatosis-of-hematologic-malignancy
#15
S Lucas-Truyols, B Rodrigo-Nicolás, C Lloret-Ruiz, E Quecedo-Estébanez
Dermatosis characterized by tissue eosinophilia arising in the context of hematologic disease is known as eosinophilic dermatosis of hematologic malignancy. The most commonly associated malignancy is chronic lymphocytic leukemia. Eosinophilic dermatosis of hematologic malignancy is a rare condition with a wide variety of clinical presentations, ranging from papules, erythematous nodules, or blisters that simulate arthropod bites, to the formation of true plaques of differing sizes. Histology reveals the presence of abundant eosinophils...
March 22, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28342414/impacts-of-soil-incorporation-of-pre-incubated-silica-rich-rice-residue-on-soil-biogeochemistry-and-greenhouse-gas-fluxes-under-flooding-and-drying
#16
Madison Y Gutekunst, Rodrigo Vargas, Angelia L Seyfferth
Incorporation of silica-rich rice husk residue into flooded paddy soil decreases arsenic uptake by rice. However, the impact of this practice on soil greenhouse gas (GHG) emissions and elemental cycling is unresolved particularly as amended soils experience recurrent flooding and drying cycles. We evaluated the impact of pre-incubated silica-rich rice residue incorporation to soils on pore water chemistry and soil GHG fluxes (i.e., CO2, CH4, N2O) over a flooding and drying cycle typical of flooded rice cultivation...
March 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28341828/variants-in-the-host-genome-may-inhibit-tumour-growth-in-devil-facial-tumours-evidence-from-genome-wide-association
#17
Belinda Wright, Cali E Willet, Rodrigo Hamede, Menna Jones, Katherine Belov, Claire M Wade
Devil facial tumour disease (DFTD) has decimated wild populations of Tasmanian devils (Sarcophilus harrisii) due to its ability to avoid immune detection and pass from host to host by biting. A small number of devils have been observed to spontaneously recover from the disease which is otherwise fatal. We have sequenced the genomes of these rare cases and compared them to the genomes of devils who succumbed to the disease. Genome-wide association, based on this limited sampling, highlighted two key genomic regions potentially associated with ability to survive DFTD...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28341600/metabolic-disorder-dysfunction-in-parkinson-s-disease-bioenergetics-redox-homeostasis-and-central-carbon-metabolism
#18
Annadurai Anandhan, Maria S Jacome, Shulei Lei, Pablo Hernandez-Franco, Aglaia Pappa, Mihalis I Panayiotidis, Robert Powers, Rodrigo Franco
The loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc) and the accumulation of protein inclusions (Lewy bodies) are the pathological hallmarks of Parkinson's disease (PD). PD is triggered by genetic alterations, environmental/occupational exposures and aging. However, the exact molecular mechanisms linking these PD risk factors to neuronal dysfunction are still unclear. Alterations in redox homeostasis and bioenergetics (energy failure) are thought to be central components of neurodegeneration that contribute to the impairment of important homeostatic process in dopaminergic cells such as protein quality control mechanisms, neurotransmitter release/metabolism, axonal transport of vesicles and cell survival...
March 21, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28341571/alterations-in-prostate-morphogenesis-in-male-rat-offspring-after-maternal-exposure-to-di-n-butyl-phthalate-dbp
#19
Talita de Mello Santos, Lívia Teresa Ribeiro da Silveira, Jaqueline Carvalho Rinaldi, Wellerson Rodrigo Scarano, Raquel Fantin Domeniconi
Prostate morphogenesis is regulated by androgens hormones and modulated by morphogenetic proteins such as Bone Morphogenetic Proteins (BMPs). This study aims to investigate the effects on prostate development in male offspring and differentiation after gestational and lactational maternal exposure to Di-n-butyl-phthalate (DBP), an important environmental contamination. Pregnant Wistar rats received 100 or 500mg/kg of DBP (DBP100 and DBP500), by gavage, from gestation day 15 (GD15) until postnatal day 21 (PND21)...
March 21, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28341414/myocardial-extracellular-volume-is-not-associated-with-malignant-ventricular-arrhythmias-in-high-risk-hypertrophic-cardiomyopathy
#20
Jesús G Mirelis, Javier Sánchez-González, Esther Zorio, Tomas Ripoll-Vera, Rafael Salguero-Bodes, David Filgueiras-Rama, Esther González-López, María Gallego-Delgado, Rodrigo Fernández-Jiménez, María Jesús Soleto, Juana Núñez, Gonzalo Pizarro, Javier Sanz, Valentín Fuster, Pablo García-Pavía, Borja Ibáñez
INTRODUCTION AND OBJECTIVES: Myocardial interstitial fibrosis, a hallmark of hypertrophic cardiomyopathy (HCM), has been proposed as an arrhythmic substrate. Fibrosis is associated with increased extracellular volume (ECV), which can be quantified by computed tomography (CT). We aimed to analyze the association between CT-determined ECV and malignant ventricular arrhythmias. METHODS: A retrospective case-control observational study was conducted in HCM patients with implantable cardioverter-defibrillator, undergoing a CT-protocol with continuous iodine contrast infusion to determine equilibrium ECV...
March 21, 2017: Revista Española de Cardiología
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