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https://www.readbyqxmd.com/read/28805615/prenatal-diagnosis-of-holoprosencephaly-associated-with-smith-lemli-opitz-syndrome-slos-in-a-46-xx-fetus
#1
André Travessa, Patrícia Dias, Pedro Rocha, Ana Berta Sousa
OBJECTIVE: To show the importance of measuring cholesterol precursor levels in amniotic fluid in all pregnancies with ultrasound features (such as holoprosencephaly) suggestive of Smith-Lemli-Opitz syndrome (SLOS), after exclusion of chromosomal anomalies. CASE REPORT: A 28-year-old woman, gravida 1 para 0, performed chorionic villus sampling for fetal karyotyping at 13 weeks of gestation due to positive combined first trimester screening in a fetus with increased nuchal translucency and suspected holoprosencephaly...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28804942/metagenomic-alkaline-protease-from-mangrove-sediment
#2
Tharcilla B A Pessoa, Rachel P Rezende, Eric de Lima Silva Marques, Carlos P Pirovani, Thalis F Dos Santos, Ana C Dos Santos Gonçalves, Carla C Romano, Natielle C Dotivo, Ana C O Freitas, Luiz C Salay, João C T Dias
Functional screening of metagenomic libraries is an important tool for the discovery of new molecules. The metabolic diversity of microorganisms enables survival in harsh environments and is related to the production of enzymes. In this study, we identified a protease-producing clone from a metagenomic library derived from mangrove sediment. The protease was purified by ammonium sulphate precipitation and gel filtration chromatography, with a yield of 77.27% and a specific activity of 8.57 U μg(-1) . It had a molecular weight of approximately 70 kDa...
August 14, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28803456/evaluation-of-prenatal-corticosteroid-use-in-spontaneous-preterm-labor-in-the-brazilian-multicenter-study-on-preterm-birth-emip
#3
Tabata Z Dias, Renato Passini, Ricardo P Tedesco, Giuliane J Lajos, Patricia M Rehder, Marcelo L Nomura, Maria L Costa, Paulo F Oliveira, Maria H Sousa, Jose G Cecatti
OBJECTIVE: To evaluate prenatal corticosteroid use in women experiencing spontaneous preterm labor and preterm delivery. METHODS: The present cross-sectional multicenter study analyzed interview data from patients attending 20 hospitals in Brazil owing to preterm delivery between April 1, 2011, and September 30, 2012. Patients were stratified based on preterm labor occurring before 34 weeks or at 34-36(+6) weeks of pregnancy, and the frequency of prenatal corticosteroid use at admission was compared...
August 13, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28803116/efficient-molecularly-imprinted-polymer-as-a-pipette-tip-solid-phase-sorbent-for-determination-of-carvedilol-enantiomers-in-human-urine
#4
Anny Talita Maria da Silva, Hanna Leijoto de Oliveira, Camilla Fonseca Silva, Matheus Cecílio Fonseca, Thales Fernando Dias Pereira, Clebio Soares Nascimento, Eduardo Costa de Figueiredo, Keyller Bastos Borges
In this work, an efficient pipette tip based on molecularly imprinted polymers solid-phase extraction (PT-MIP-SPE) method was developed for carvedilol (CAR) analysis. This compound is available in clinical practice as a racemic mixture, in which (-)-(S)-CAR is a β- and α1-adrenergic antagonist, while (+)-(R)-CAR only acts as an α1-adrenergic antagonist. Enantioseparation of CAR presented satisfactory retention times (5.85 and 14.84min), acceptable theoretical plates (N=2048 and 2018) and good resolution (Rs=9...
August 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28798080/long-term-programming-effect-of-early-hypoxia-and-high-carbohydrate-diet-at-first-feeding-on-glucose-metabolism-in-rainbow-trout-juveniles
#5
Jingwei Liu, Karine Dias, Elisabeth Plagnes-Juan, Vincent Véron, Stéphane Panserat, Lucie Marandel
Environmental conditions experienced during early life play an important role in the long-term metabolic status of individuals. The present study investigated whether early hypoxia exposure (24 h, 2.5 mg·l(-1), 20% dissolved O2) during embryo stage alone (hypoxic history) or combined with a 5-day high carbohydrate diet (60%) stimulus at first-feeding (high carbohydrate diet history) can affect the glucose metabolism later in life, i.e. in fish juveniles. After 19 weeks of growth, we observed a decrease in final body weight in fish with a high carbohydrate diet history...
August 10, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28797856/neuropathic-pain-after-breast-cancer-treatment-characterization-and-risk-factors
#6
Susana Pereira, Filipa Fontes, Teresa Sonin, Teresa Dias, Maria Fragoso, José Castro-Lopes, Nuno Lunet
CONTEXT: Neuropathic pain (NP) may be an important contributor to the morbidity burden of breast cancer. OBJECTIVES: We aimed to quantify the incidence of NP in the first year after diagnosis of breast cancer, and to identify its main determinants. METHODS: We performed a prospective cohort study including 506 patients with incident breast cancer, recruited at the Portuguese Institute of Oncology of Porto, and followed for one year; patients with incident NP were additionally evaluated when this condition was diagnosed and after six months, to identify chronic NP...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797619/mechanical-ventilation-weaning-protocol-improves-medical-adherence-and-results
#7
Luís Guilherme Alegretti Borges, Augusto Savi, Cassiano Teixeira, Roselaine Pinheiro de Oliveira, Marcio Luiz Ferreira De Camillis, Ricardo Wickert, Sérgio Fernando Monteiro Brodt, Túlio Frederico Tonietto, Ricardo Cremonese, Leonardo Silveira da Silva, Fernanda Gehm, Eubrando Silvestre Oliveira, Jose Herve Diel Barth, Juçara Gasparetto Macari, Cíntia Dias de Barros, Sílvia Regina Rios Vieira
INTRODUCTION: Implementation of a weaning protocol is related to better patient prognosis. However, new approaches may take several years to become the standard of care in daily practice. We conducted a prospective cohort study to investigate the effectiveness of a multifaceted strategy to implement a protocol to wean patients from mechanical ventilation (MV) and to evaluate the weaning success rate as well as practitioner adherence to the protocol. METHODS: We investigated all consecutive MV-dependent subjects admitted to a medical-surgical intensive care unit (ICU) for >24h over 7years...
July 12, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28795464/antimicrobial-activity-of-leucine-substituted-decoralin-analogs-with-lower-hemolytic-activity
#8
Marcelo Der Torossian Torres, Cibele Nicolaski Pedron, Julia Aparecida da Silva Lima, Pedro Ismael da Silva, Fernanda Dias da Silva, Vani Xavier Oliveira
Linear cationic α-helical antimicrobial peptides are promising chemotherapeutics. Most of them act by different mechanisms, making it difficult to microorganisms acquiring resistance. Decoralin is an example of antimicrobial peptide; it was described by Konno et al. and presented activity against microorganisms, but with pronounced hemolytic activity. We synthesized leucine-substituted decoralin analogs designed based on important physicochemical properties, which depend on the maintenance of the amphiphilic α-helical tendency of the native molecule...
August 10, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28793110/health-education-with-older-adults-action-research-with-primary-care-professionals
#9
Francielle Toniolo Nicodemos Furtado de Mendonça, Álvaro da Silva Santos, Ana Luisa Zanardo Buso, Bruna Stephanie Sousa Malaquias
Objective: To assess the development and implementation of permanent education action. Method: Quantitative-qualitative research based on action research in three phases (diagnosis of reality, implementation of activity and evaluation), performed with health professionals and managers of basic health units. The evaluation was on the perception of changes immediately following the activity and after 120 days. Results: In the first phase, 110 professionals took part, 36...
July 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28793025/environmental-aspects-related-to-tuberculosis-and-intestinal-parasites-in-a-low-income-community-of-the-brazilian-amazon
#10
Biatriz Araújo Cardoso, Fabio de Oliveira Fonseca, Antonio Henrique Almeida de Moraes, Ana Caroline Guedes Souza Martins, Nissa Vilhena da Silva Oliveira, Luana Nepomuceno Gondim Costa Lima, George Alberto da Silva Dias, Maria Helena Féres Saad
We carried out a cross-sectional study from January to December 2015 on 1,425 inhabitants from a floating population in the Brazilian Amazon (Murinin district, Pará State) to describe the population-based prevalence of tuberculosis (TB) from 2011 to 2014, recent TB contacts (rCts) latently infected with Mycobacterium tuberculosis (LTBI) , the coverage of the local health network, socio-environmental factors, and frequency of intestinal parasitic infection (IPI). We found that the sanitary structure was inadequate, with latrines being shared with other rooms within the same accommodation; well water was the main source of water, and 48% of families had low incomes...
August 7, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28791482/assessment-of-ki67-expression-for-breast-cancer-subtype-classification-and-prognosis-in-the-nurses-health-study
#11
Megan A Healey, Kelly A Hirko, Andrew H Beck, Laura C Collins, Stuart J Schnitt, A Heather Eliassen, Michelle D Holmes, Rulla M Tamimi, Aditi Hazra
PURPOSE: Ki67 is a proliferation marker commonly assessed by immunohistochemistry in breast cancer, and it has been proposed as a clinical marker for subtype classification, prognosis, and prediction of therapeutic response. However, the clinical utility of Ki67 is limited by the lack of consensus on the optimal cut point for each application. METHODS: We assessed Ki67 by immunohistochemistry using Definiens digital image analysis (DIA) in 2653 cases of incident invasive breast cancer diagnosed in the Nurses' Health Study from 1976 to 2006...
August 8, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28780467/in-vitro-schistosomicidal-and-antiviral-activities-of-arctium-lappa-l-asteraceae-against-schistosoma-mansoni-and-herpes-simplex-virus-1
#12
Mirna Meana Dias, Ohana Zuza, Lorena R Riani, Priscila de Faria Pinto, Pedro Luiz Silva Pinto, Marcos P Silva, Josué de Moraes, Ana Caroline Z Ataíde, Fernanda de Oliveira Silva, Alzira Batista Cecílio, Ademar A Da Silva Filho
Schistosomiasis and herpes diseases represent serious issues to the healthcare systems, infecting a large number of people worldwide, mainly in developing countries. Arctium lappa L. (Asteraceae), known as "bardana" and "burdock", is a medicinal plant popularly used for several purposes, including as antiseptic. In this study, we evaluated the in vitro schistosomicidal and antiherpes activities of the crude extract of A. lappa, which have not yet been described. Fruits of A. lappa L. were extracted by maceration with ethanol: H2O (96:4 v/v) in order to obtain the hydroalcoholic extract of A...
August 3, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28780248/invasive-follicular-variant-of-papillary-thyroid-cancer-harboring-the-nras-mutation-q61k-and-presenting-with-bone-metastasis-a-case-report
#13
Raman Mehrzad, Michiya Nishino, Carmelo Nucera, Dora Dias-Santagata, James V Hennessey, Per-Olof Hasselgren
INTRODUCTION: The follicular variant of papillary thyroid cancer (FVPTC) can be noninvasive or invasive. The invasive form of FVPTC commonly harbors BRAF mutations whereas RAS mutations are more often associated with noninvasive FVPTC and a favorable clinical outcome. CASE REPORT: A 47-year-old man presented with a metastasis to his right iliac bone as the initial manifestation of a 1.6cm invasive FVPTC. After total thyroidectomy, the patient underwent additional treatment, including thyroid hormone suppressive treatment to non-detectable TSH levels, repeated courses of radioiodine treatment, external beam radiation, and treatment with the tyrosine kinase inhibitor sorafenib...
July 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28779851/a-tale-of-two-sites-differential-impairment-of-frequency-and-duration-mismatch-negativity-across-a-primarily-inpatient-versus-a-primarily-outpatient-site-in-schizophrenia
#14
Migyung Lee, Pejman Sehatpour, Elisa C Dias, Gail S Silipo, Joshua T Kantrowitz, Antigona M Martinez, Daniel C Javitt
Deficits in mismatch negativity (MMN) generation are among the best replicated neurophysiological deficits in schizophrenia, with reduced amplitude reflecting impaired information processing at the level of supratemporal auditory cortex. Differential patterns of MMN dysfunction according to deviant types have been reported across studies, with some research groups showing impairment in duration MMN but not frequency MMN, and other research groups reporting both findings. We evaluate the hypothesis that recruitment setting, reflecting current functional status, might be an important determinant of the pattern of MMN dysfunction...
August 2, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28776960/role-of-de-novo-donor-specific-anti-hla-antibodies-in-kidney-graft-failure-a-case-control-study
#15
Ana Castro, Jorge Malheiro, Sandra Tafulo, Leonídio Dias, La Salete Martins, Isabel Fonseca, Idalina Beirão, António Castro-Henriques, António Cabrita
The role of de novo donor-specific anti-HLA antibodies (dnDSA) within the pathways leading to graft failure remains not fully understood. We investigated 56 patients who were transplanted between 2002-2014 with kidney graft failure (cases), for a possible association of development of dnDSA with graft failure. The 56 patients with failed transplants were matched with 56 patients with a functioning graft at present for the variables deceased or living donor, transplant number, transplant year, recipient age and gender, donor age and gender, dialysis vintage time, transplant induction therapy...
August 4, 2017: HLA
https://www.readbyqxmd.com/read/28776822/ripple-mapping-initial-multicenter-experience-of-an-intuitive-approach-to-overcoming-the-limitations-of-3d-activation-mapping
#16
Vishal Luther, Nuno Cortez-Dias, Luis Carpinteiro, João de Sousa, Richard Navaratnum Balasubramaniam, Sharad C Agarwal, David Farwell, Solomon Mark Sopher, Girish Babu, Richard Till, Nikki Jones, Stuart Tan, Anthony Chow, Martin Lowe, Jem Lane, Naveen Pappachan, Nick Wf Linton, Prapa Kanagaratnam
BACKGROUND: Ripple Mapping (RM) displays electrograms as moving bars over a 3D surface displaying bipolar voltage, and has shown in a single-center series to be effective for atrial tachycardia (AT) mapping without annotation of local activation time or window-of-interest assignment. We tested the reproducibility of these findings in operators naive to RM, using it for the first time in post ablation AT. METHODS: Maps were collected with multielectrode catheters and CARTO ConfiDENSE...
August 4, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28776683/hypercapnia-induced-active-expiration-increases-in-sleep-and-enhances-ventilation-in-unanaesthetized-rats
#17
Isabela P Leirão, Carlos A Silva, Luciane H Gargaglioni, Glauber S F da Silva
Expiration is passive at rest but becomes active through recruitment of abdominal muscles under increased respiratory drive. Hypercapnia-induced active expiration has not been well explored in unanaesthetized rats. We hypothesized that (i) CO2 -evoked active expiration is recruited in a state-dependent manner i.e. differently in sleep or wakefulness and (ii) that recruitment of active expiration enhances ventilation, hence having an important functional role in meeting metabolic demand. To test these hypotheses Wistar rats (280-330 g) were implanted with electrodes for electroencephalography (EEG) and electromyography (EMG) of the neck, diaphragm (DIA) and abdominal (ABD) muscles...
August 3, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28769692/the-advertisement-call-and-comments-on-the-distribution-of-eleutherodactylus-bilineatus-bokermann-1975-an-endemic-frog-of-bahia-state-brazil-amphibia-anura
#18
Iuri Ribeiro Dias, Caio Vinicius de Mira-Mendes, Carlos Augusto Souza-Costa, Flora Acuña Juncá, Mirco Solé
Advertisement calls can be used to aid solving taxonomic problems and understanding the evolution of certain groups. In this study, the advertisement call of Eleutherodactylus bilineatus is described. It is composed by two different notes with a total duration of 0.529-4.241 seconds and dominant frequency of 1.72-3.45 kHz. Additionally, new data is provided on the geographical distribution of Eleutherodactylus bilineatus and the most inland record for this species.
2017: ZooKeys
https://www.readbyqxmd.com/read/28767892/productive-performance-of-holstein-calves-finished-in-feedlot-or-pasture
#19
Ana Maria O Dias, Luis F G DE Menezes, Wagner Paris, Priscila V Dos Santos, Ronaldo R Biesek, Renan D Mafioletti, Renato Marchesan
The use of animals from dairy farms is an alternative to meat production since it provides an increment of total income for farmers. This study aims to evaluate the performance of Holstein calves finished in two feeding systems (feedlot or pasture). Forty-three animals with 58 days old and 57 kg were divided in two treatments: 23 animals finished in feedlot with corn silage plus concentrate based on corn and soybean meal (40:60); 20 animals kept in cultivated pastures according to the period of the year: Italian ryegrass (Lolium multiflorum) and pearl millet (Pennisetum americanum) with supplementation with the same feedlot-concentrate at 1% body weight...
July 31, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28767276/closed-loop-control-without-meal-announcement-in-type-1-diabetes
#20
Faye M Cameron, Trang T Ly, Bruce A Buckingham, David M Maahs, Gregory P Forlenza, Carol J Levy, David Lam, Paula Clinton, Laurel H Messer, Emily Westfall, Camilla Levister, Yan Yan Xie, Nihat Baysal, Daniel Howsmon, Stephen D Patek, B Wayne Bequette
OBJECTIVE: A fully closed-loop insulin-only system was developed to provide glucose control in patients with type 1 diabetes without requiring announcement of meals or activity. Our goal was to assess initial safety and efficacy of this system. RESEARCH DESIGN AND METHODS: The multiple model probabilistic controller (MMPPC) anticipates meals when the patient is awake. The controller used the subject's basal rates and total daily insulin dose for initialization. The system was tested at two sites on 10 patients in a 30-h inpatient study, followed by 15 subjects at three sites in a 54-h supervised hotel study, where the controller was challenged by exercise and unannounced meals...
August 2, 2017: Diabetes Technology & Therapeutics
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