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https://www.readbyqxmd.com/read/28540750/neurobiology-of-emotions-an-update
#1
Vanderson Esperidião-Antonio, Marilia Majeski-Colombo, Diana Toledo-Monteverde, Glaciele Moraes-Martins, Juliana José Fernandes, Marjorie Bauchiglioni de Assis, Stefânia Montenegro, Rodrigo Siqueira-Batista
The 'nature' of emotions is one of the archaic themes of Western thought, thematized in different cultural manifestations - such as art, science, philosophy, myths and religion -, since Ancient times. In the last decades, the advances in neurosciences have permitted the construction of hypotheses that explain emotions, especially through the studies involving the limbic system. To present an updated discussion about the neurobiology of processes relating to emotions - focusing (1) on the main neural structures that relate to emotions, (2) the paths and circuits of greater relevance, (3) the implicated neurotransmitters, (4) the connections that possess neurovegetative control and (5) the discussion about the main emotions - is the objective of this present article...
May 25, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28540041/effects-of-quantitative-feed-restriction-and-sex-on-carcass-traits-meat-quality-and-meat-lipid-profile-of-morada-nova-lambs
#2
Thiago L A C de Araújo, Elzânia S Pereira, Ivone Y Mizubuti, Ana C N Campos, Marília W F Pereira, Eduardo L Heinzen, Hilton C R Magalhães, Leilson R Bezerra, Luciano P da Silva, Ronaldo L Oliveira
BACKGROUND: An experiment was conducted to evaluate the effects of feed restriction (FR) and sex on the quantitative and qualitative carcass traits of Morada Nova lambs. Thirty-five animals with an initial body weight of 14.5 ± 0.89 kg and age of 120 d were used in a completely randomized study with a 3 × 3 factorial scheme consisting of three sexes (11 entire males, 12 castrated males and 12 females) and three levels of feeding (ad libitum - AL and 30% and 60% FR). RESULTS: Entire males presented greater hot and cold carcass weights (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28539233/supplementation-action-with-ascorbic-acid-in-the-morphology-of-the-muscular-layer-and-reactive-acetylcholinesterase-neurons-of-ileum-of-mdx-mice
#3
Marcelo José Santiago Lisboa, Marília Fabiana De Oliveira Lima, Sandra Regina Stabille, Jacqueline Nelisis Zanoni, Karina Martinez Gagliardo, Melyna Soares Souto, Renivaldo Souza, Jodonai Barbosa Da Silva, Sônia Regina De Almeida Yokomizo, Edson Aparecido Liberti, Naianne Kelly Clebis
The Duchenne Muscular Dystrophy (DMD) is a genetic disorder characterized by the absence of dystrophin protein, causing severe myopathy from increases of oxidative stress. Injuries of intestinal muscle can compromise the myenteric plexus. This study aimed to evaluate the disorders occurred in the muscular layer and in the acetylcholinesterase myenteric neurons (ACHE-r) of ileum of mdx mice, and the effects of supplementation with ascorbic acid (AA) in both components. 30 male mice C57BL/10, and 30 male mice C57BL/10Mdx were separated according to the age and treatment (n=10/group): 30-days-old control group (C30); 30-days-old dystrophic group (D30); 60-days-old control group (C60); 60-days-old dystrophic group (D60); 60-days-old control group supplemented with AA (CS60); and 60-days-old dystrophic group supplemented with AA (DS60)...
May 17, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28537470/concurrent-validity-of-the-alberta-infant-motor-scale-to-detect-delayed-gross-motor-development-in-preterm-infants-a-comparative-study-with-the-bayley-iii
#4
Plínio Luna de Albuquerque, Miriam Queiroz de Farias Guerra, Marília de Carvalho Lima, Sophie Helena Eickmann
OBJECTIVE: To investigate the concurrent validity of AIMS in relation to the gross motor subtest of the Bayley Scale III/GM in preterm infants. METHODS: A total of 159 gross motor development assessments were performed with the AIMS and Bayley-III/GM. Linear regression was used to assess the correlation between AIMS and Bayley-III/GM scores. The intra-class correlation coefficient (ICC) and the Bland-Altman plot were used to analyze intra- and inter-rater reliability...
May 24, 2017: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/28535893/falls-and-their-association-with-physical-tests-functional-capacity-clinical-and-demographic-factors-in-patients-with-rheumatoid-arthritis
#5
Mariana de Almeida Lourenço, Izabela Roma, Marcos Renato de Assis
OBJECTIVE: To evaluate the occurrence of falls reported by rheumatoid arthritis patients and its relation to disease activity, functional capacity and physical fitness. MATERIALS AND METHODS: A cross-sectional study constituted by a sample of 97 rheumatoid arthritis patients from the city of Marília (SP) from 2012 to 2013, were assessed for disease activity. Instruments validated for Brazilian population in order to evaluate physical and functional capacity were used...
May 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/28533011/effect-of-surface-treatments-on-repair-with-composite-resin-of-a-partially-monoclinic-phase-transformed-yttrium-stabilized-tetragonal-zirconia
#6
Beatriz Regalado Galvão Ribeiro, Marilia Regalado Galvão Rabelo Caldas, Antonio Alves Almeida, Renata Garcia Fonseca, Gelson Luis Adabo
STATEMENT OF PROBLEM: Studies of composite resin repairs of yttrium-tetragonal zirconia polycrystal (Y-TZP) are usually performed in its tetragonal phase, but it may be partially transformed into a monoclinic phase in a clinical fracture. PURPOSE: The purpose of this in vitro study was to evaluate the effect of airborne-particle abrasion (APA) and a bonding agent on the shear bond strength (SBS) between a composite resin and hydrothermally aged Y-TZP. MATERIAL AND METHODS: Specimens (7...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28532845/characterization-of-undifferentiated-spermatogonia-and-the-spermatogonial-niche-in-the-lambari-fish-astyanax-altiparanae
#7
Marília de Paiva Camargo, Mônica Cassel, Lázaro Wender Oliveira de Jesus, Rafael Henrique Nóbrega, Maria Inês Borella
Undifferentiated type A spermatogonia are the foundation of fish spermatogenesis. This cell population includes the spermatogonial stem cell population, which is able to either self-renew or differentiate into cells that will generate the male gamete - the spermatozoa. Spermatogonia stem cells are located in a specific region of the testes known as the spermatogonial niche, which regulates spermatogonial stem cell function. This study characterizes undifferentiated type A spermatogonia and their S-phase label-retaining cell properties in Astyanax altiparanae testes...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28521310/the-impact-of-the-demineralized-organic-matrix-on-the-effect-of-tif4-varnish-on-the-progression-of-dentin-erosive-loss
#8
Beatriz Martines de Souza, Mariele Vertuan, Marília Afonso Rabelo Buzalaf, Ana Carolina Magalhães
This in vitro study compared the effect of TiF4 varnish with that of NaF varnish, applied on pre-eroded bovine dentin samples, with respect to the progression of erosive loss, in the presence or absence of the demineralized organic matrix (DOM). One hundred and sixty bovine dentin samples were pre-eroded (0.1% citric acid, pH 2.5, 30 min). Half of the samples were subjected to the DOM removal (collagenase solution, 5 days). Samples with and without the DOM were treated according to the groups (n = 20 with DOM and 20 without DOM/group): TiF4 varnish (2...
May 19, 2017: Caries Research
https://www.readbyqxmd.com/read/28521262/rhodium-catalyzed-c-h-bond-activation-for-the-synthesis-of-quinonoid-compounds-significant-anti-trypanosoma-cruzi-activities-and-electrochemical-studies-of-functionalized-quinones
#9
Guilherme A M Jardim, Thaissa L Silva, Marilia O F Goulart, Carlos A de Simone, Juliana M C Barbosa, Kelly Salomão, Solange L de Castro, John F Bower, Eufrânio N da Silva Júnior
Thirty four halogen and selenium-containing quinones, synthesized by rhodium-catalyzed C-H bond activation and palladium-catalyzed cross-coupling reactions, were evaluated against bloodstream trypomastigotes of T. cruzi. We have identified fifteen compounds with IC50/24 h values of less than 2 μM. Electrochemical studies on A-ring functionalized naphthoquinones were also performed aiming to correlate redox properties with trypanocidal activity. For instance, (E)-5-styryl-1,4-naphthoquinone 59 and 5,8-diiodo-1,4-naphthoquinone 3, which are around fifty fold more active than the standard drug benznidazole, are potential derivatives for further investigation...
May 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28511777/expression-of-interleukin-1%C3%AE-and-interleukin-6-in-leprosy-reactions-in-patients-with-human-immunodeficiency-virus-coinfection
#10
Carla Andréa Avelar Pires, Juarez Antônio Simões Quaresma, Tinara Leila de Souza Aarão, Jorge Rodrigues de Souza, Geraldo Mariano Moraes Macedo, Fernando Octávio Machado Jucá Neto, Marília Brasil Xavier
Previous studies suggest that coinfection of leprosy and human immunodeficiency virus (HIV) does not decrease the frequency and intensity of leprosy reactions. However, the immunological aspects of leprosy reactions in coinfected patients remain obscure, with a limited number of studies showing contradictory results. Observational study using tissue samples collected during leprosy reactions from 15 patients coinfected with leprosy and HIV and from 15 patients with leprosy alone. Patients were part of a prior larger cohort study of leprosy patients with and without HIV coinfection...
May 13, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28511544/structural-characterization-of-membrane-bound-human-immunodeficiency-virus-1-gag-matrix-with-neutron-reflectometry
#11
Rebecca Eells, Marilia Barros, Kerry M Scott, Ioannis Karageorgos, Frank Heinrich, Mathias Lösche
The structural characterization of peripheral membrane proteins represents a tremendous challenge in structural biology due to their transient interaction with the membrane and the potential multitude of protein conformations during this interaction. Neutron reflectometry is uniquely suited to address this problem because of its ability to structurally characterize biological model systems nondestructively and under biomimetic conditions that retain full protein functionality. Being sensitive to only the membrane-bound fraction of a water-soluble peripheral protein, neutron reflectometry obtains a low-resolution average structure of the protein-membrane complex that is further refined using integrative modeling strategies...
May 16, 2017: Biointerphases
https://www.readbyqxmd.com/read/28505883/spatial-patterns-and-temporal-trends-of-trace-metal-mass-budgets-in-the-western-adriatic-sediments-mediterranean-sea
#12
Marilia Lopes-Rocha, Leonardo Langone, Stefano Miserocchi, Patrizia Giordano, Roberta Guerra
Spatial patterns of major (Al, Fe and Ti) and trace metals (Cu, Cr, Mn, Ni, Pb and Zn) measured in surficial sediments collected within the Late-Holocene mud-wedge in the western Adriatic Sea were analyzed to elucidate their sources, transport and mass budgets. Distributions of sedimentary trace metals, their fluvial inputs and accumulation loads reveal along-shore transport towards the southern Adriatic. Pb and to a lower extent Zn accumulation loads over time decreased significantly since 1988 in the North Adriatic, consistently with the implementation of regulations in the Western Europe, whereas Zn accumulation in the Po River prodelta remained unchanged since 1995...
May 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28501577/probucol-attenuates-lipopolysaccharide-induced-leukocyte-recruitment-and-inflammatory-hyperalgesia-effect-on-nf-%C3%B0%C2%BAb-activation-and-cytokine-production
#13
Amanda Z Zucoloto, Marília F Manchope, Larissa Staurengo-Ferrari, Felipe A Pinho-Ribeiro, Ana C Zarpelon, André L L Saraiva, Tatiana N Cecílio, José C Alves-Filho, Thiago M Cunha, Gustavo B Menezes, Fernando Q Cunha, Rubia Casagrande, Waldiceu A Verri
Probucol (4,4'- (Isopropylidenedithio)bis(2,6-di-tert-butylphenol) is a synthetic molecule clinically used for prevention and treatment of hypercholesterolemia and atherosclerosis. Recent studies have shown that the beneficial effects of probucol mainly derive from its anti-inflammatory and antioxidant properties. Gram-negative bacteria are common infectious agents and their wall components, e.g. lipopolysaccharide (LPS), are important elicitors of inflammation. LPS is sensed by tissue resident cells and it triggers a Toll-like receptor 4/MyD88-dependent signaling cascade resulting in endothelial activation, leukocyte recruitment and nociception...
May 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28499961/towards-an-improved-global-understanding-of-treatment-and-outcomes-in-people-with-type-2-diabetes-rationale-and-methods-of-the-discover-observational-study-program
#14
Linong Ji, Fabrice Bonnet, Bernard Charbonnel, Marilia B Gomes, Mikhail Kosiborod, Kamlesh Khunti, Antonio Nicolucci, Stuart Pocock, Wolfgang Rathmann, Marina V Shestakova, Iichiro Shimomura, Hirotaka Watada, Peter Fenici, Niklas Hammar, Kiyoshi Hashigami, Greg Macaraeg, Filip Surmont, Jesús Medina
AIM: Contemporary global real-world data on the management of type 2 diabetes are scarce. The global DISCOVER study program aims to describe the disease management patterns and a broad range of associated outcomes in patients with type 2 diabetes initiating a second-line glucose-lowering therapy in routine clinical practice. METHODS: The DISCOVER program comprises two longitudinal observational studies involving more than 15,000 patients in 38 countries across six continents...
April 5, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28492780/-epidemiological-profile-of-traffic-accidents-in-mar%C3%A3-lia-s%C3%A3-o-paulo-state-brazil-2012
#15
Carina Rejane Fernandes Biffe, Airi Harada, Alexander Bocchi Bacco, Carine Silveira Coelho, João Lucas Ferrareto Baccarelli, Karoline Lopes Silva, Luzmarina Aparecida Doretto Braccialli, Margarete Beloni, Maria Luiza Guidinho Bernardes, Stephanie Ribeiro Lacerda, Thainá Inoue Silva
OBJECTIVE: to describe the profile of victims of traffic accidents and traffic-related deaths in Marília-SP, Brazil. METHODS: this is a descriptive study, based on data from police reports (PR) and Death Certificates (DC), in 2012. RESULTS: 1,537 PR were gathered; among the 3,257 individuals involved in traffic accidents, 67.3% were men, and 53.3% were between 20-39 years of age; most accidents occurred on road intersections (35.2%), at 8 a...
April 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28489181/early-postoperative-parathormone-sampling-and-prognosis-after-total-parathyroidectomy-in-secondary-hyperparathyroidism
#16
Climério Pereira do Nascimento, Marília D'Elboux Guimarães Brescia, Melani Ribeiro Custódio, Ledo Mazzei Massoni, André Albuquerque Silveira, Patrícia Taschner Goldenstein, Sérgio Samir Arap, Vanda Jorgetti, Rosa Maria Affonso Moyses, Fábio Luiz de Menezes Montenegro
Introduction: There is possibility of a supernumerary hyperplastic parathyroid gland in dialysis patients after total parathyroidectomy and autograft in dialysis patients. Objective: To test if the early postoperative measure of parathyroid hormone (PTH) can identify persistent hyperparathyroidism. Methods: A prospective cohort of dialysis patients submitted to parathyroidectomy had PTH measured up to one week after operation. The absolute value and the relative decrease were analyzed according to clinical outcome of satisfactory control of secondary hyperparathyroidism or persistence...
April 27, 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/28483592/erectile-dysfunction-in-wistar-audiogenic-rats-war-is-associated-with-increased-cavernosal-contraction-and-decreased-nnos-protein-expression
#17
Fernanda Luciano Rodrigues, Rafael S Fais, Marília G A G Pereira, Norberto Garcia-Cairasco, Rita C Tostes, Fernando S Carneiro
OBJECTIVE: To test the hypothesis that naïve Wistar audiogenic rats (WAR) display ED, which is associated with increased sympathetic-mediated contractile tone and/or decreased NO-mediated relaxation responses of the cavernous tissue. METHODS: Changes in the ratio of the maximal intracavernosal pressure/mean arterial pressure (ICP/MAP) after electrical stimulation of the right major pelvic ganglion were determined in vivo. Cavernosal contractility was induced by electrical field stimulation (EFS) and phenylephrine...
May 5, 2017: Urology
https://www.readbyqxmd.com/read/28476469/furcation-perforation-periradicular-tissue-response-to-biodentine-as-a-repair-material-by-histopathologic-and-indirect-immunofluorescence-analyses
#18
Lea Assed Bezerra Silva, Karina Alessandra Michelão Grecca Pieroni, Paulo Nelson-Filho, Raquel Assed Bezerra Silva, Patrícia Hernandéz-Gatón, Marília Pacífico Lucisano, Francisco Wanderley Garcia Paula-Silva, Alexandra Mussolino de Queiroz
INTRODUCTION: The purpose of this study was to evaluate the in vivo response of periradicular tissues after sealing of furcation perforations with Biodentine, mineral trioxide aggregate (MTA), and gutta-percha by means of histopathologic and indirect immunofluorescence analyses. METHODS: Thirty teeth of 3 dogs were divided into 3 groups: Biodentine (n = 14 teeth), MTA (negative control, n = 10 teeth), and gutta-percha (positive control, n = 6 teeth). After endodontic treatment, perforations were made on the center of the pulp chamber floor and filled with the materials...
May 2, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28472728/new-polymorphisms-of-xeroderma-pigmentosum-dna-repair-genes-in-myelodysplastic-syndrome
#19
Sabrina Pinheiro Santiago, Howard Lopes Ribeiro Junior, Juliana Cordeiro de Sousa, Daniela de Paula Borges, Roberta Taiane Germano de Oliveira, Izabelle Rocha Farias, Marília Braga Costa, Allan Rodrigo Soares Maia, Mayumi da Nóbrega Ito, Silvia Maria Meira Magalhães, Ronald Feitosa Pinheiro
The association between Xeroderma Pigmentosum DNA repair genes (XPA rs1800975, XPC rs2228000, XPD rs1799793 and XPF rs1800067) polymorphisms and myelodysplastic syndrome (MDS) have not been reported. To assess the functional role between these polymorphisms and MDS, we evaluated 189 samples stratified in two groups: 95 bone marrow samples from MDS patients and 94 from healthy elderly volunteers used as controls. Genotypes for all polymorphisms were identified in DNA samples in an allelic discrimination experiment by real-time polymerase chain reaction (qPCR)...
April 1, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28469081/c3d-regulates-immune-checkpoint-blockade-and-enhances-antitumor-immunity
#20
Jeffrey L Platt, Inês Silva, Samuel J Balin, Adam R Lefferts, Evan Farkash, Ted M Ross, Michael C Carroll, Marilia Cascalho
Despite expression of immunogenic polypeptides, tumors escape immune surveillance by engaging T cell checkpoint regulators and expanding Tregs, among other mechanisms. What orchestrates these controls is unknown. We report that free C3d, a fragment of the third component of complement, inside tumor cells - or associated with irradiated tumor cells and unattached to antigen - recruits, accelerates, and amplifies antitumor T cell responses, allowing immunity to reverse or even to prevent tumor growth. C3d enhances antitumor immunity independently of B cells, NK cells, or antibodies, but it does so by increasing tumor infiltrating CD8+ lymphocytes, by depleting Tregs, and by suppressing expression of programmed cell death protein 1 (PD-1) by T cells...
May 4, 2017: JCI Insight
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