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https://www.readbyqxmd.com/read/28238625/aneurysm-and-dissection-in-a-patient-with-syphilitic-aortitis
#1
Fernando Pivatto Júnior, Bruno Schaaf Finkler, Felipe Soares Torres, Pedro Guilherme Schaefer, Eduardo Sprinz
In the antibiotic era, aortic aneurysm is a rare complication of syphilis, what makes the diagnostic assumption even more difficult. Nonetheless, this condition should be suspected in patients with aortic aneurysm. Reports of aortic dissection complicating syphilitic aortitis have been distinctly rare in the literature, and their cause-effect relationship has not been definitely established. In this case report, we present a 62-year-old woman with aortic aneurysm and dissection associated with an unexpected diagnosis of syphilitic aortitis...
February 23, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28238493/microsurgical-identification-and-excision-of-an-intratesticular-mass
#2
Luís Felipe Sávio, Nachiketh Soodana Prakash, Raul Clavijo, Oleksandr N Kryvenko, Ranjith Ramasamy
OBJECTIVE: To demonstrate a step-by-step approach to microsurgical partial orchiectomy (PO) in a man with a small intratesticular mass. DESIGN: Video presentation. SETTING: University of Miami Hospital. Institutional review board approval was obtained. PATIENT(S): A 22-year-old man with right testicular pain and swelling found to have a small, nonpalpable 8-mm hypoechoic testicular mass on ultrasound. Tumor markers were negative...
February 23, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28237573/immobilization-of-laccase-from-aspergillus-oryzae-on-graphene-nanosheets
#3
Everton Skoronski, Diego Hoefling Souza, Cyntia Ely, Felipe Broilo, Mylena Fernandes, Agenor Fúrico, Marcos Gomes Ghislandi
Laccase enzymes of Aspergillus oryzae were immobilized on graphene nanosheets by physical adsorption and covalent bonding. Morphological features of the graphene sheets were characterized via microscopy techniques. The immobilization by adsorption was carried out through contact between graphene and solution of laccase enzyme dissolved in deionized water. The adsorption process followed a Freundlich model, showing no tendency to saturation within the range of values used. The process of immobilization by covalent bonding was carried out by nitration of graphene, followed by reduction of sodium borohydride and crosslinking with glutaraldehyde...
February 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28236498/executive-summary-pre-exposure-prophylaxis-for-prevention-of-hiv-infection-in-adults-in-spain-july-2016
#4
Santiago Moreno, Antonio Antela, Felipe García, Julia Del Amo, Vicente Boix, Pep Coll, Claudia Fortuny, Juan L Gómez Sirvent, Félix Gutiérrez, José A Iribarren, Josep M Llibre, Juan C López Bernaldo de Quirós, Juan Emilio Losa, Ana Lozano, Michael Meulbroek, Julián Olalla, Ferran Pujol, Federico Pulido, Manuel Crespo Casal, Juan González García, José López Aldeguer, Jose A Pérez Molina, Daniel Podzamczer Palter, Antonio Rivero Román
Administration of antiretroviral drugs to individuals exposed to, but not infected by, HIV has been shown to reduce the risk of transmission. The efficacy of pre-exposure prophylaxis (PrEP) makes it obligatory to include it in an integral program of prevention of HIV transmission, together with other measures, such as use of the condom, training, counseling, and appropriate treatment of infected individuals. In this document, the AIDS Study Group (GeSIDA) of the Spanish Society of Infectious Diseases and Clinical Microbiology (Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica [SEIMC]) provides its views on this important subject...
February 21, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28235872/role-and-characterization-of-a-cyanide-induced-3-cyanoalanine-nitrilase-in-the-cyanide-assimilating-bacterium-pseudomonas-pseudoalcaligenes-cect-5344
#5
Felipe Acera, María Isabel Carmona, Francisco Castillo, Alberto Quesada, Rafael Blasco
Pseudomonas pseudoalcaligenes CECT 5344 is a bacterium able to assimilate cyanide as the sole nitrogen source. Under this growth conditions, a 3-cyanoalanine nitrilase enzymatic activity was induced. This activity was coded by nit4, one of the four nitrilases detected in the genome of this bacterium, and its expression in E. coli enabled the recombinant strain to fully assimilate 3-cyanoalanine. P. pseudoalcaligenes CECT 5344 showed a weak growth level with 3-cyanoalanine as N-source, unless KCN was also added...
February 24, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28231619/connective-tissue-graft-and-tunnel-or-trapezoidal-flap-for-the-treatment-of-single-maxillary-gingival-recessions-a-randomized-clinical-trial
#6
Mauro Pedrine Santamaria, Felipe Lucas da Silva Neves, Camila Augusto Silveira, Ingrid Fernandes Mathias, Stephanie Botti Fernandes-Dias, Maria Aparecida Neves Jardini, Dimitris N Tatakis
BACKGROUND: Although ample evidence supports connective tissue graft (CTG) use for root coverage, there is need for research on recipient site preparation approaches. The purpose of this study was to compare the outcomes of trapezoidal coronally advanced flap (CAF) and coronally advanced tunnel flap (TUN) when used in conjunction with CTG. METHODS: Forty-two patients presenting 42 single maxillary, Miller Class I and II, gingival recession defects were randomly assigned to receive either CAF+CTG (N=21) or TUN+CTG (N=21)...
February 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28231255/confidence-and-self-attribution-bias-in-an-artificial-stock-market
#7
Mario A Bertella, Felipe R Pires, Henio H A Rego, Jonathas N Silva, Irena Vodenska, H Eugene Stanley
Using an agent-based model we examine the dynamics of stock price fluctuations and their rates of return in an artificial financial market composed of fundamentalist and chartist agents with and without confidence. We find that chartist agents who are confident generate higher price and rate of return volatilities than those who are not. We also find that kurtosis and skewness are lower in our simulation study of agents who are not confident. We show that the stock price and confidence index-both generated by our model-are cointegrated and that stock price affects confidence index but confidence index does not affect stock price...
2017: PloS One
https://www.readbyqxmd.com/read/28231240/galectin-3-histone-deacetylases-and-hedgehog-signaling-possible-convergent-targets-in-schistosomiasis-induced-liver-fibrosis
#8
REVIEW
Felipe Leite de Oliveira, Katia Carneiro, José Marques Brito, Mariana Cabanel, Jonathas Xavier Pereira, Ligia de Almeida Paiva, Wingkin Syn, Neil C Henderson, Marcia Cury El-Cheikh
Schistosomiasis affects approximately 240 million people in the world. Schistosoma mansoni eggs in the liver induce periportal fibrosis and hepatic failure driven by monocyte recruitment and macrophage activation, resulting in robust Th2 response. Here, we suggested a possible involvement of Galectin-3 (Gal-3), histone deacetylases (HDACs), and Hedgehog (Hh) signaling with macrophage activation during Th1/Th2 immune responses, fibrogranuloma reaction, and tissue repair during schistosomiasis. Gal-3 is highly expressed by liver macrophages (Kupffer cells) around Schistosoma eggs...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28230998/influence-of-the-anomeric-conformation-in-the-intermolecular-interactions-of-glucose
#9
Imanol Usabiaga, Jorge González, Iker León, Pedro Felipe Arnaiz, Emilio J Cocinero, Jose A Fernandez
Carbohydrates are together with amino acids, DNA bases and lipids the building blocks of living beings. They play a central role in basic functions as immunity and signaling, which are governed by non-covalent interactions between sugar units and/or with other biomolecules. To get insights on such interactions between monosaccharide units, we used a combination of mass-resolved laser spectroscopy in supersonic expansions and molecular structure calculations. The results obtained clearly demonstrate that the small stability difference between the α/β anomers of glucopyranose derivatives is reversed and amplified during molecular aggregation, making the complexes of the β-anomers significantly more stable...
February 23, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28230566/the-effect-of-preoperative-phenazopyridine-on-urinary-retention-following-midurethral-sling
#10
Omar Felipe Dueñas-Garcia, Tania Sierra, Erica Nicasio, Katherine Leung, Cynthia D Hall, Michael K Flynn
OBJECTIVE: The aim of this study was to determine the effect of preoperative oral phenazopyridine on short-term voiding dysfunction in patients undergoing a retropubic midurethral sling. METHODS: We conducted a retrospective cohort study in subjects undergoing a retropubic midurethral sling comparing those who received preoperative oral phenazopyridine with those who did not. We included all women who underwent a retropubic midurethral sling without concomitant procedures under general anesthesia at our institution...
February 23, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28229913/increased-risk-of-developing-schizophrenia-in-animals-exposed-to-cigarette-smoke-during-the-gestational-period
#11
Alexandra I Zugno, Mariana B Oliveira, Gustavo A Mastella, Alexandra S A Heylmann, Lara Canever, Felipe D Pacheco, Louyse S Damazio, Sullivan A Citadin, Luiz Antonio de Lucca, Lutiana Roque Simões, Fernanda Malgarin, Josiane Budni, Tatiana Barichello, Patricia F Schuck, João Quevedo
Cigarette smoking during the prenatal period has been investigated as a causative factor of obstetric abnormalities, which lead to cognitive and behavioural changes associated with schizophrenia. The aim of this study was to investigate behaviour and AChE activity in brain structures in adult rats exposed to cigarette smoke during the prenatal period. Pregnant rats were divided into non-PCSE (non-prenatal cigarette smoke exposure) and PCSE (prenatal cigarette smoke exposure) groups. On post-natal day 60, the rats received saline or ketamine for 7days and were subjected to behavioural tasks...
February 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28229898/histomorphometric-characterization-of-subgemmal-neurogenous-plaques
#12
Ana Carolina Amorim Pellicioli, Felipe Paiva Fonseca, Rodrigo Neves Silva, Luiz Alcino Monteiro Gueiros, Oslei Paes de Almeida, Pablo Agustin Vargas, Marcio Ajudarte Lopes, Helder Antonio Rebelo Pontes, Manoela Domingues Martins, Vinícius Coelho Carrard, Alan Roger Santos-Silva
OBJECTIVES: The aim of this study was to characterize the histomorphometric features of subgemmal neurogenous plaques (SNPs) to better understand their relationship to surrounding microanatomy included in the tissue biopsy samples of the tongue. STUDY DESIGN: A 12-year retrospective study on the files of 3 oral pathology centers yielded 28 SNPs. Hematoxylin and eosin-stained sections were used for histologic analysis, and immunohistochemical staining for S100 protein was performed to better characterize the neural structures...
January 9, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28229507/a-samhd1-mutation-associated-with-aicardi-gouti%C3%A3-res-syndrome-uncouples-the-ability-of-samhd1-to-restrict-hiv-1-from-its-ability-to-downmodulate-type-i-interferon-in-humans
#13
Tommy E White, Alberto Brandariz-Nuñez, Alicia Martinez-Lopez, Caitlin Knowlton, Gina Lenzi, Baek Kim, Dmitri Ivanov, Felipe Diaz-Griffero
Mutations in the human SAMHD1 gene are known to correlate with the development of the Aicardi-Goutières Syndrome (AGS), which is an inflammatory encephalopathy that exhibits neurological dysfunction characterized by increased production of type I interferon (IFN); this evidence has lead to the concept that the SAMHD1 protein negatively regulates the type I IFN response. Additionally, the SAMHD1 protein has been shown to prevent efficient HIV-1 infection of macrophages, dendritic cells and resting CD4+ T cells...
February 22, 2017: Human Mutation
https://www.readbyqxmd.com/read/28229044/lesser-snow-goose-helminths-show-recurring-and-positive-parasite-infection-diversity-relations
#14
Felipe Dargent, André Morrill, Ray T Alisauskas, J Daniel McLaughlin, Dave Shutler, Mark R Forbes
The patterns and mechanisms by which biological diversity is associated with parasite infection risk are important to study because of their potential implications for wildlife population's conservation and management. Almost all research in this area has focused on host species diversity and has neglected parasite diversity, despite evidence that parasites are important drivers of community structure and ecosystem processes. Here, we assessed whether presence or abundance of each of nine helminth species parasitizing lesser snow geese (Chen caerulescens) was associated with indices of parasite diversity (i...
April 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28226012/excessive-consumption-of-dietary-supplements-among-professionals-working-in-gyms-in-pelotas-rio-grande-do-sul-state-brazil-2012
#15
Tatiane Araujo Cava, Samanta Winck Madruga, Gesiane Dias Trindade Teixeira, Felipe Fossati Reichert, Marcelo Cozzensa da Silva, Airton José Rombaldi
OBJECTIVE: to investigate the prevalence and factors associated with excessive consumption of dietary supplements among professionals working at gyms in Pelotas, Rio Grande do Sul State, Brazil. METHODS: this is a cross-sectional study with all local fitness professionals identified in 2012; excessive consumption of dietary supplements was defined as the use of three or more types of supplements simultaneously; multivariate analysis was carried out using Poisson regression with robust variance...
January 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28225995/clinical-impact-of-thyroglobulin-tg-and-tg-autoantibody-tgab-measurements-in-needle-washouts-of-neck-lymph-node-biopsies-in-the-management-of-patients-with-papillary-thyroid-carcinoma
#16
M Cecilia Martins-Costa, Rui M B Maciel, Teresa S Kasamatsu, Claudia C D Nakabashi, Cleber P Camacho, Felipe Crispim, Elza S Ikejiri, M Conceição O Mamone, Danielle M Andreoni, Rosa Paula M Biscolla
Objectives: The presence of thyroglobulin (Tg) in needle washouts of fine needle aspiration biopsy (Tg-FNAB) in neck lymph nodes (LNs) suspected of metastasis has become a cornerstone in the follow-up of patients with papillary thyroid carcinoma (PTC). However, there are limited data regarding the measurement of anti-Tg antibodies in these washouts (TgAb-FNAB), and it is not clear whether these antibodies interfere with the assessment of Tg-FNAB or whether there are other factors that would more consistently justify the finding of low Tg-FNAB in metastatic LNs...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225913/ultrasound-as-a-safe-and-reliable-guidance-for-subarachnoid-puncture-in-rabbits
#17
Ivan Dias Fernandes Pereira, Roberto Bezerra Vital, Ronaldo Silva, Felipe Gilberto Valerini, Vania Maria de Vasconcelos Machado, Mariangela Esrher Marques, Helio Miot, Lais Helena Navarro, Eliana Marisa Ganem
Purpose: To evaluate a model for studying the toxicity in nervous tissue and meninges using ultrasound to guide needle insertion into the subarachnoid space of rabbits, with the objective of avoiding injuries triggered by the puncture and by intraneural injection of solutions. Methods: Forty-five adult female rabbits were divided into 3 groups (G): G1 underwent subarachnoid puncture, G2 underwent subarachnoid injection of saline solution and G3 underwent subarachnoid injection of 0...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28225539/cuba-s-family-doctor-and-nurse-teams-a-day-in-the-life
#18
Conner Gorry
Nurse Sarait Guarat has Felipe's clinical history out of the file cabinet and on Dr Martha Diaz's desk before he's even through the door. Not that Dr Díaz needs it: Having served 26 years at Consultorio (Family Doctor-and-Nurse Office) #17 on a leafy street in Havana's Vedado neighborhood, she knows each of her patients by name and their health status essentially by heart. After greeting 91-year old Felipe with the customary kiss on the cheek, Dr Díaz gets down to business, asking after his family, checking up on his diabetes and inquiring about the reason for his visit...
January 2017: MEDICC Review
https://www.readbyqxmd.com/read/28222579/effects-of-a-small-sided-game-based-training-programme-on-repeated-sprint-and-change-of-direction-abilities-in-recreationally-trained-football-players
#19
Pascual Bujalance-Moreno, Felipe García-Pinillos, Pedro Á Latorre-Román
BACKGROUND: To examine the effects of 6-week periodized small-sided game (SSG) training intervention on change of direction [COD], sprint and repeated sprint ability [RSA] in recreational male football players. METHODS: Twenty-three young football players (age: 20.86 years) were randomized in a control group (n = 11) and an experimental group (n = 12). The SSG programme was included in the experimental group's training sessions. The players completed two variations of a SSG (i...
February 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28222556/is-there-influence-of-the-load-addition-during-treadmill-training-on-cardiovascular-parameters-and-gait-performance-in-patients-with-stroke-a-randomized-clinical-trial
#20
Tatiana Souza Ribeiro, Tállyta Camila Chaves da Silva, Renata Carlos Felipe, Emília Márcia Gomes de Souza E Silva, Matheus Oliveira Lacerda, Ana Paula Spaniol, Ana Raquel Rodrigues Lindquist
BACKGROUND: Although exercises involving both lower limbs are indicated for aerobic training, stroke patients have shown expressive asymmetry between the paretic and non-paretic lower limb (NPLL). Performing activities that stimulate the paretic limb during aerobic exercise may optimize training results. OBJECTIVE: To evaluate if there is influence of load addition on NPLL during treadmill training on cardiovascular parameters and gait performance of subacute stroke patients...
February 8, 2017: NeuroRehabilitation
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