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T S M Carvalho, L S Sousa, F A Nogueira, D P Vaz, M M Saldanha, M V Triginelli, M F V S Pinto, N C Baião, L J C Lara
This work aimed at evaluating the effects of 4 digestible Met+Cys levels on the diet of commercial layers and their influence on the productive performance, quality, and amino acid profile of eggs and economic viability of the activity. A total of 576 white Lohmann LSL-Lite layers was distributed into 6 replicates of 24 birds for each diet. The experimental design was completely randomized, with 4 treatments defined by levels evaluated in the feed (0.465, 0.540, 0.581, and 0.647%). The productive performance was measured for 30 weeks...
March 13, 2018: Poultry Science
Jorge Henrique Stefaneli Marques, Yara Teresinha Corrêa Silva-Sousa, Fuad Jacob Abi Rached-Júnior, Luciana Martins Domingues de Macedo, Jardel Francisco Mazzi-Chaves, Josette Camilleri, Manoel Damião Sousa-Neto
The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after eliminating the apical extremity. The specimens were embedded in acrylic resin and positioned at 45° to the horizontal plane for preparation of root-end cavities with a diamond ultrasonic retrotip. The samples were divided into three groups according to the root-end filling material (n = 10): MTA Angelus, ProRoot MTA and Biodentine...
March 8, 2018: Brazilian Oral Research
Elizabeth Regina Carvalho, Roberto Andrés Navarrete Ampuero, Giovana Laís Ruviaro Tuleski, Aparecido Antonio Camacho, Marlos Gonçalves Sousa
Ventricular arrhythmias (VA) are a recognized concern in dogs with degenerative mitral valve disease (DMVD). The coupling interval (CI) and the prematurity index (PI) have been shown to accurately differentiate between benign and malignant VA in people, where ventricular arrhythmias are known to be associated with an increased risk of development of signs of heart failure or sudden death. In this study, we characterized ventricular arrhythmias in dogs with symptomatic and asymptomatic DMVD. Seventy dogs with naturally-occurring DMVD and ventricular arrhythmias were retrospectively studied...
March 13, 2018: Veterinary Research Communications
Bruno Lorenção de Almeida, Fabio Henrique Rossi, Amanda Guerra de Moraes Rego Sousa, Antonio Massamitsu Kambara, Nilo Mitsuru Izukawa, Camila Baumann Beteli, Sthefanie Fauve Andrade Cavalcante, Thiago Osawa Rodrigues, Patricia E Thorpe
OBJECTIVE: The objective of this study was to evaluate the correlation between venous pressure gradients (VPGs) and intravascular ultrasound (IVUS) for the diagnosis of caval-iliac venous obstructions in patients with advanced chronic venous insufficiency. METHODS: Fifty patients with advanced chronic venous insufficiency symptoms (Clinical, Etiology, Anatomy, and Pathophysiology class 3 to 6) were prospectively submitted to multiplanar venography (MV) with intravenous pressure measurements and IVUS...
March 8, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
Otavio Berwanger, Eliana Vieira Santucci, Pedro Gabriel Melo de Barros E Silva, Isabella de Andrade Jesuíno, Lucas Petri Damiani, Lilian Mazza Barbosa, Renato Hideo Nakagawa Santos, Ligia Nasi Laranjeira, Flávia de Mattos Egydio, Juliana Aparecida Borges de Oliveira, Frederico Toledo Campo Dall Orto, Pedro Beraldo de Andrade, Igor Ribeiro de Castro Bienert, Carlos Eduardo Bosso, José Armando Mangione, Carisi Anne Polanczyk, Amanda Guerra de Moraes Rego Sousa, Renato Abdala Karam Kalil, Luciano de Moura Santos, Andrei Carvalho Sposito, Rafael Luiz Rech, Antônio Carlos Sobral Sousa, Felipe Baldissera, Bruno Ramos Nascimento, Roberto Rocha Corrêa Veiga Giraldez, Alexandre Biasi Cavalcanti, Sabrina Bernardez Pereira, Luiz Alberto Mattos, Luciana Vidal Armaganijan, Hélio Penna Guimarães, José Eduardo Moraes Rego Sousa, John Hunter Alexander, Christopher Bull Granger, Renato Delascio Lopes
Importance: The effects of loading doses of statins on clinical outcomes in patients with acute coronary syndrome (ACS) and planned invasive management remain uncertain. Objective: To determine if periprocedural loading doses of atorvastatin decrease 30-day major adverse cardiovascular events (MACE) in patients with ACS and planned invasive management. Design, Setting, and Participants: Multicenter, double-blind, placebo-controlled, randomized clinical trial conducted at 53 sites in Brazil among 4191 patients with ACS evaluated with coronary angiography to proceed with a percutaneous coronary intervention (PCI) if anatomically feasible...
March 11, 2018: JAMA: the Journal of the American Medical Association
Yan Weng, Tetsuya Ishino, Annette Sievers, Saswata Talukdar, Jeffrey R Chabot, Amy Tam, Weili Duan, Kelvin Kerns, Eric Sousa, Tao He, Alison Logan, Darwin Lee, Dongmei Li, Yingjiang Zhou, Barbara Bernardo, Alison Joyce, Mania Kavosi, Denise M O'Hara, Tracey Clark, Jie Guo, Craig Giragossian, Mark Stahl, Roberto A Calle, Ron Kriz, Will Somers, Laura Lin
Pharmacological administration of FGF21 analogues has shown robust body weight reduction and lipid profile improvement in both dysmetabolic animal models and metabolic disease patients. Here we report the design, optimization, and characterization of a long acting glyco-variant of FGF21. Using a combination of N-glycan engineering for enhanced protease resistance and improved solubility, Fc fusion for further half-life extension, and a single point mutation for improving manufacturability in Chinese Hamster Ovary cells, we created a novel FGF21 analogue, Fc-FGF21[R19V][N171] or PF-06645849, with substantially improved solubility and stability profile that is compatible with subcutaneous (SC) administration...
March 9, 2018: Scientific Reports
Cássio S Meira, José Maurício Dos Santos Filho, Caroline C Sousa, Pâmela S Anjos, Jéssica V Cerqueira, Humberto A Dias Neto, Rafael G da Silveira, Helena M Russo, Jean-Luc Wolfender, Emerson F Queiroz, Diogo R M Moreira, Milena B P Soares
4-(Nitrophenyl)hydrazone derivatives of N-acylhydrazone were synthesized and screened for suppress lymphocyte proliferation and nitrite inhibition in macrophages. Compared to an unsubstituted N-acylhydrazone, active compounds were identified within initial series when hydroxyl, chloride and nitro substituents were employed. Structure-activity relationship was further developed by varying the position of these substituents as well as attaching structurally-related substituents. Changing substituent position revealed a more promising compound series of anti-inflammatory agents...
February 25, 2018: Bioorganic & Medicinal Chemistry
Elena Blanco, Martín Pérez-Andrés, Sonia Arriba-Méndez, Teresa Contreras-Sanfeliciano, Ignacio Criado, Ondrej Pelak, Ana Serra-Caetano, Alfonso Romero, Noemí Puig, Ana Remesal, Juan Torres Canizales, Eduardo López-Granados, Tomas Kalina, Ana E Sousa, Menno Van Zelm, Mirjam Van der Burg, Jacques J M van Dongen, Alberto Orfao
BACKGROUND: Humoral immunocompetence develops stepwise throughout life and contributes to individual susceptibility to infection, immunodeficiency, autoimmunity and neoplasia. Immunoglobulin heavy chain (IgH)-isotype serum levels can partly explain such age-related differences, but their relationship with the IgH-isotype distribution within memory B-cell (MBCs) and plasma cell (PCs) compartments remains to be investigated. OBJECTIVE: We studied the age-related distribution of MBCs and PCs expressing different IgH-isotypes, in addition to the immature/transitional and naive B-cell compartments...
March 2, 2018: Journal of Allergy and Clinical Immunology
Pantelis Theodoros Nikolaidis, Caio Victor Sousa, Beat Knechtle
Aim: The aim of the present study was to investigate the relationship of wearing a wetsuit with sex, age group, nationality, calendar year, and performance in crossing the "Strait of Gibraltar"(14.3 km). Materials and methods: A sample of 1,130 open-water (females, n=180, age 35.9±11.9 years; males, n=950, age 40.0±10.2 years) ultra-distance swimmers crossing the "Strait of Gibraltar" since 1950 was analyzed. Results: Male, older, and Spanish swimmers used wetsuits more often than female, younger, and athletes of other nationalities, respectively, and the use of the wetsuit has increased during the past three decades...
2018: Open Access Journal of Sports Medicine
Eneida S Oliveira, Stella G Colombarolli, Camila S Nascimento, Izabella C A Batista, Jorge G G Ferreira, Daniele L R Alvarenga, Laís O B de Sousa, Rafael R Assis, Marcele N Rocha, Érica A R Alves, Carlos E Calzavara-Silva
The inflammatory process plays a major role in the prognosis of dengue. In this context, the eicosanoids may have considerable influence on the regulation of the Dengue virus -induced inflammatory process. To quantify the molecules involved in the cyclooxygenase and lipoxygenase pathways during Dengue virus infection, plasma levels of thromboxane A2, prostaglandin E2 and leukotriene B4; mRNA levels of thromboxane A2 synthase, prostaglandin E2 synthase, leukotriene A4 hydrolase, cyclooxygenase-2 and 5-lipoxygenase; and the levels of lipid bodies in peripheral blood leukocytes collected from IgM-positive and IgM-negative volunteers with mild dengue, and non-infected volunteers, were evaluated...
February 28, 2018: Viruses
Magda S S Moutinho, Sofia Aragão, Diogo Carmo, Fátima Casaca, Sandra Silva, Joana Ribeiro, Hugo Sousa, Isabel Pires, Felisbina Queiroga, Bruno Colaço, Rui Medeiros, Paula A Oliveira, Carlos Lopes, Margarida M S M Bastos, Rui M Gil DA Costa
AIM: Cyclo-oxygenase-2 (COX2) plays a prominent role in carcinogenesis. This study addresses the effects of two nutraceutical compounds on the expression of COX2 and tumor-associated inflammation in human papillomavirus type 16 (HPV16)-transgenic mice. MATERIALS AND METHODS: Six-week-old FVB/n mice were supplemented with rutin or curcumin for 24 weeks: HPV16-/- no treatment, n=12; HPV16+/- no treatment, n=13; HPV16+/- rutin, n=12; HPV16+/- curcumin, n=13. HPV16-induced skin lesions and their inflammatory infiltrates were studied histologically...
March 2018: Anticancer Research
Ilana Nogueira Bezerra, Eudóxia Sousa de Alencar
OBJECTIVE To describe the beverage portion size consumed and to evaluate their association with excess weight in Brazil. METHODS We used data from the National Dietary Survey, which included individuals with two days of food record aged over 20 years (n = 24,527 individuals). The beverages were categorized into six groups: soft drink, 100% fruit juice, fruit drink, alcoholic beverage, milk, and coffee or tea. We estimated the average portion consumed for each group and we evaluated, using linear regression, the association between portion size per group and the variables of age, sex, income, and nutritional status...
2018: Revista de Saúde Pública
I Casanova, M L Durán, J Viqueira, A Sousa-Pedrares, F Zani, J A Real, J A García-Vázquez
The electrochemical oxidation of anodic metals (M = cobalt, nickel, copper, zinc and cadmium) in a solution of the ligand 1H-anthra[1,2-d]imidazol-6,11-dione-2-[2-hydroxyphenyl] [H2 L] afforded homoleptic [ML] compounds. The addition to the electrochemical cell of coligands (L') such as 2,2'-bipyridine (bpy) or 1,10-phenanthroline (phen) allowed the synthesis, in one step, of heteroleptic [MLL'] compounds. The crystal structures of H2 L (1), [CoL(MeOH)]2 (2), [CoL(phen)]2 (3), [NiL(bpy)]2 (4), [CuL(bpy)] (5), [CuL(phen)] (6) and [CdL(bpy)]2 (7) have been determined by X-ray diffraction techniques...
February 28, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Mirele S Vasconcelos, Tamiris F G Souza, Ingrid S Figueiredo, Emília T Sousa, Felipe D Sousa, Renato A Moreira, Nylane M N Alencar, José V Lima-Filho, Márcio V Ramos
The healing performance of a hydrogel composed of hemicelluloses extracted from seeds of Caesalpinia pulcherrima (Fabaceae) and mixed with phytomodulatory proteins obtained from the latex of Calotropis procera was characterized on excisional wounds. The hydrogel did not induce dermal irritability. When topically used on excisional wounds, the hydrogel enhanced healing by wound contraction. Histology and the measurement of inflammatory mediators (myeloperoxidase, interleukin-1β, and interleukin-6) suggested that the inflammatory phase of the healing process was intensified, stimulating fibroplasia and neovascularization (proliferative phase) and tissue remodeling by increasing new collagen fiber deposition...
February 22, 2018: Phytotherapy Research: PTR
S F Seys, J Bousquet, C Bachert, W J Fokkens, I Agache, M Bernal-Sprekelsen, I Callebaut, L O Cardel, S Carrie, P Castelnuovo, R Cathcart, J Constantinidis, L Cools, M Cornet, G Clement, J C de Sousa, T Cox, M Doulaptsi, P Gevaert, C Hopkins, V Hox, T Hummel, W Hosemann, R Jacobs, M Jorissen, B N Landis, A Leunig, V J Lund, J Mullol, M Onerci, S Palkonen, I Proano, E Prokopakis, D Ryan, H Riechelmann, J Saevels, C Segboer, K Speleman, E A Steinsvik, P Surda, P V Tomazic, O Vanderveken, L Van Gerven, T Van Zele, B Verhaeghe, K Vierstraete, S Vlaminck, J Wilkinson, S Williams, B Pugin, P W Hellings
Mobile health technology is emerging to take a prominent position in the management of chronic diseases. These technologies aim at enhancing patient empowerment via education and self-management. To date, of all the different apps available for patients with sinus disease, none were developed by medical experts dealing with chronic rhinosinusitis (CRS). The European Forum for Research and Education in Allergy and Airway diseases (EUFOREA) has undertaken a multi-stakeholder approach for designing, developing and implementing a tool to support CRS patients in monitoring their symptoms and to provide patients with a digital support platform containing reliable medical information about their disease and treatment options...
February 21, 2018: Rhinology
Viviane Fagundes Mattos, Leonardo Sousa Carvalho, Marcos André Carvalho, Marielle Cristina Schneider
Scorpions represent an intriguing group of animals characterized by a high incidence of heterozygous chromosomal rearrangements. In this work, we examined six species of Tityus (Archaeotityus) from Brazilian fauna with a particular focus on elucidating the rearrangements responsible for the intraspecific variability of diploid number and the presence of long chromosomal chains in meiosis. To access any interpopulation diversity, we also studied individuals from four species representing distinct localities...
2018: PloS One
Ioline D Henter, Rafael Teixeira de Sousa, Carlos A Zarate
Both preclinical and clinical studies have implicated glutamatergic system dysfunction in the pathophysiology of mood disorders such as bipolar depression and major depressive disorder. In particular, rapid reductions in depressive symptoms have been noted in response to subanesthetic doses of the glutamatergic modulator ketamine in subjects with major depressive disorder or bipolar depression. These results have prompted the repurposing or development of other glutamatergic modulators, both as monotherapy or adjunctive to other therapies...
February 20, 2018: Harvard Review of Psychiatry
Iussif Mamede-Neto, Álvaro Henrique Borges, Ana Helena Gonçalves Alencar, Marco Antonio Hungaro Duarte, Manoel Damião Sousa Neto, Carlos Estrela
Objective: To evaluate transportation (T) and centering ability (CA) of root canal preparations using continuous or reciprocating nickel-titanium endodontic files. Materials and Methods: Ninety-six mesiobuccal root canals of mandibular first and second molars were randomly divided into 6 groups (n=16) according to the rotary file used: 1. ProTaper Next; 2. ProTaper Gold; 3. Mtwo; 4. BioRaCe; 5. WaveOne Gold; 6. Reciproc. Root canals were prepared according to manufacturer's instructions...
2018: Open Dentistry Journal
Gladistone Correia Messias, Ana Marta Novais Rocha, Beatriz Manuela Silva Santos, Ana Marques Botelho, Dhaísa Cristhina Alves Silva, Erika Santos Porto, Marina Lima Dos Anjos, Rayra Almeida Sousa, Mara Viana Silva, Thainara Barros da Rocha, Aracely Vieira de Melo, Manoela Rios Trindade Carneiro, Nayonara Santana Aguiar, Patrícia Prado Santos, Erika Pereira de Souza, Mariluze Peixoto Cruz, Lucas Miranda Marques, Raquel Passos Rezende, Carla Cristina Romano, Ana Paula Uetanabaro, Gabriel Vinderola, Regiane Yatsuda
PURPOSE: Lactobacillus plantarum Lp62 is a lactic acid bacteria strain that has been isolated from cocoa beans and exhibited probiotic potential. The influence of oral administration of L. plantarum Lp62 on the growth of rat's pups; on yield, cytokines and milk composition was studied. METHODS: Lactobacillus plantarum Lp62 is a lactic acid bacteria strain that has been isolated from cocoa beans. It was administered daily by gavage to Wistar rats (n = 8), from the 7th day before delivery and for 20 days during lactation, in a concentration of 1...
February 16, 2018: European Journal of Nutrition
Luís Crisóstomo, Marco G Alves, Agostina Gorga, Mário Sousa, María F Riera, María N Galardo, Silvina B Meroni, Pedro F Oliveira
Sertoli cells play a central role in spermatogenesis. They maintain the blood-testis barrier, an essential feature of seminiferous tubules which creates the proper environment for the occurrence of the spermatogenesis. However, this confinement renders germ cells almost exclusively dependent on Sertoli cells' nursing function and support. Throughout spermatogenesis, differentiating sperm cells become more specialized, and their biochemical machinery is insufficient to meet their metabolic demands. Although the needs are not the same at all differentiation stages, Sertoli cells are able to satisfy their needs...
2018: Methods in Molecular Biology
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