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https://www.readbyqxmd.com/read/29684355/morphology-of-the-terminal-abdominal-segments-in-females-of-triatominae-insecta-hemiptera-reduviidae
#1
Juliana Mourão Dos Santos Rodrigues, João Aristeu da Rosa, Felipe Ferraz Figueiredo Moreira, Cleber Galvão
Triatominae (Insecta: Hemiptera: Reduviidae) includes 151 extant species that are all potential vectors of Chagas disease. The relationships among these species have been recently studied based on molecular and cytogenetical approaches, and although the morphology of these insects is fairly described, wide comparative studies and cladistics analysis based on this feature are lacking. A comparative study of the terminal abdominal segments in females of 26 species of Triatominae was performed in order to evaluate their importance for the distinction of genera and species, and obtain characters to be used in cladistics analyses...
April 20, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29684319/lipid-accumulation-product-index-in-hiv-infected-patients-a-marker-of-cardiovascular-risk
#2
Milena Maria Moreira Guimarães, Dirceu Bartolomeu Greco, Allyson Nogueira Moreira, Nathalia Sernizon Guimarães, Cláudia Maria Vilas Freire, Bruna Guimarães Rolfs, Lucas José de Campos Machado
The lipid accumulation product (LAP) index is an emerging cardiovascular risk marker. We aimed to assess the accuracy of this index as a marker of cardiovascular risk in HIV-infected patients. A cross-sectional study of 133 HIV-infected patients on antiretroviral drugs and 20 non-infected controls was conducted at the outpatient clinic of a referral center of infectious and parasitic diseases. Evaluations included LAP index, homeostasis model assessment (HOMA) index, anthropometric measurements, blood pressure, glucose tolerance test, and cholesterol and triglyceride levels...
April 20, 2018: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29682174/esophageal-squamous-cell-carcinoma-transcriptome-reveals-the-effect-of-foxm1-on-patient-outcome-through-novel-pik3r3-mediated-activation-of-pi3k-signaling-pathway
#3
Pedro Nicolau-Neto, Nathalia Meireles Da Costa, Paulo Thiago de Souza Santos, Isabela Martins Gonzaga, Maria Aparecida Ferreira, Simone Guaraldi, Miguel Angelo Moreira, Hector N Seuánez, Lilian Brewer, Anke Bergmann, Mariana Boroni, Andre Luiz Mencalha, Cleber Dario Pinto Kruel, Sheila Coelho Soares Lima, Dominic Esposito, Tatiana Almeida Simão, Luis Felipe Ribeiro Pinto
Esophageal squamous cell carcinoma (ESCC) presents poor prognosis, and patients diagnosed with this tumor currently lack target treatments. Therefore, in order to identify potential targets for ESCC treatment, we carried out a transcriptome analysis with ESCC and paired nonmalignant surrounding mucosa samples, followed by a master regulator analysis, and further explored the role of the identified central regulatory genes through in vivo and in vitro assays. Among the transcription factors deregulated/enriched in ESCC, we focused on FOXM1 because of its involvement in the regulation of critical biological processes...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29681948/regeneration-of-tracheal-tissue-in-partial-defects-using-porcine-small-intestinal-submucosa
#4
Nelson Bergonse Neto, Lianna Ferrari Jorge, Julio C Francisco, Bruna Olandoski Erbano, Barbara Evelin Gonçalves Barboza, Larissa Luvison Gomes da Silva, Marcia Olandoski, Katherine Athayde Teixeira de Carvalho, Luiz Felipe Pinho Moreira, Jose Rocha Faria Neto, Eltyeb Abdelwahid, Luiz Cesar Guarita-Souza
Background: Surgical correction of tracheal defects is a complex procedure when the gold standard treatment with primary end-to-end anastomosis is not possible. An alternative treatment may be the use of porcine small intestinal submucosa (SIS). It has been used as graft material for bioengineering applications and to promote tissue regeneration. The aim of this study was to evaluate whether SIS grafts improved tracheal tissue regeneration in a rabbit model of experimental tracheostomy...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29680799/rare-case-of-otomastoiditis-due-to-coxiella-burnetii-chronic-infection
#5
Mariana Gonçalves, Sónia Moreira, Elsa Gaspar, Lèlita Santos
Q fever is a zoonotic disease caused by Coxiella burnetii that usually presents with non-specific or benign constitutional symptoms. Diagnosis is often challenging and, after acute Q fever, 1%-5% of patients can develop chronic disease. We present an 80-year-old male patient who was admitted due to a 3 months history of fever, productive cough, myalgia, weight loss, headache and hearing loss. Chronic Q fever was confirmed by positive antiphase I immunoglobulin G. Frequent locations of chronic infection was discarded, and ear CT revealed a right mastoid infection...
April 21, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29680243/therapeutic-monoclonal-antibodies-delivery-for-the-glioblastoma-treatment
#6
Flávia Sousa, Rui P Moura, Elias Moreira, Cláudia Martins, Bruno Sarmento
Glioblastoma multiforme (GBM) is the most common and challenging primary malignant brain tumor, being the median overall survival between 10 and 14 months due to its invasive characteristics. GBM treatment is mainly based on the maximal surgical resection and radiotherapy associated to chemotherapy. Monoclonal antibodies (mAbs) have been used in chemotherapy protocols for GBM treatment in order to improve immunotherapy and antiangiogenic processes. High specificity and affinity of mAbs for biological targets make them highly used for brain tumor therapy...
2018: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/29680048/lipase-catalysed-esters-synthesis-of-cafestol-and-kahweol
#7
Fábio Junior Moreira Novaes, Ivaldo Itabaiana Junior, Felipe Korbus Sutili, Philip John Marriott, Humberto Ribeiro Bizzo, Francisco Radler de Aquino Neto, Rodrigo Octávio Mendonça Alves de Souza, Claudia Moraes Rezende
Cafestol and kahweol (C&K), two coffee diterpene alcohols with structural similarity which exhibit anticarcinogenic effects, were isolated from green coffee Arabica beans, followed by their lipase-catalysed esterification and purification by preparative high-performance liquid chromatography (HPLC). The isolation and enzymatic synthesis parameters of C&K esters were studied, with the latter optimised by a Central Composite Design; both procedures were monitored by gas chromatography. Scale up and improved isolation conditions resulted in 1...
September 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29679314/sensitivities-of-three-tropical-indigenous-freshwater-invertebrates-to-single-and-mixture-exposures-of-diuron-and-carbofuran-and-their-commercial-formulations
#8
Odete Rocha, Antônio José Gazonato Neto, Júlio César Dos Santos Lima, Emanuela Cristina Freitas, Mariana Miguel, Adrislaine da Silva Mansano, Raquel Aparecida Moreira, Michiel Adriaan Daam
As compared to their temperate counterparts, few toxicity tests have been conducted so far into the evaluation of the sensitivity of indigenous tropical species to pesticides. Especially mixture toxicity assessments appear to be scarce. To contribute to increase our knowledge in this arena, we evaluated the acute toxicity of diuron and carbofuran and their mixtures to the neotropical oligochaetes Allonais inaequalis and Dero furcatus, and the ostracod Strandesia trispinosa. Tests were performed with both the pure active ingredients, as well as their formulated products...
April 20, 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29678568/likelihood-of-pregnancy-after-the-transfer-of-embryos-derived-from-follicle-aspiration-and-in-vitro-embryo-production-sessions-with-different-relative-efficiencies
#9
Luiz Fernando Feres, Luiz Gustavo Bruno Siqueira, Miller Pereira Palhao, Lívia Loiola Dos Santos, Felipe Zandonadi Brandao, Joao Henrique Moreira Viana
The aim of the present study was to evaluate the likelihood of pregnancy of in vitro-produced (IVP) embryos from batches with distinct relative efficiencies. Data were retrospectively analyzed from 605 transvaginal ultrasonic-guided follicle aspiration sessions (OPU) followed by in vitro embryo production (IVEP) and 2456 fresh embryo transfers (ET), performed between 2008 and 2012 in individuals of the Gir (dairy Bos indicus) breed. The OPU and IVEP were performed using standard procedures by a single group of technicians at the same laboratory facility...
April 15, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29677541/tert-butyl-4-1-phenyl-1h-pyrazol-4-yl-methyl-piperazine-1-carboxylate-lqfm104-new-piperazine-derivative-with-antianxiety-and-antidepressant-like-effects-putative-role-of-serotonergic-system
#10
Dayane Moreira da Silva, Germán Sanz, Boniek Gontijo Vaz, Flávio Silva de Carvalho, Luciano Morais Lião, Danillo Ramos de Oliveira, Lorrane Kelle da Silva Moreira, Carina Sofia Cardoso, Adriane Ferreira de Brito, Daiany Priscilla Bueno da Silva, Fabio Fagundes da Rocha, Ianca Gontijo Cavalcante Santana, Pablinny Moreira Galdino, Elson Alves Costa, Ricardo Menegatti
The piperazine derivatives correspond to an extensive chemical class of compounds with numerous neuropharmacological activities, including antidepressant (e.g., nefazodone, trazodone) and anxiolytic (e.g., buspirone) properties. Therefore, aiming to identify a new antidepressant and antianxiety lead-compound, our group designed, synthesized, and investigated the effects of a new piperazine compound, namely, LQFM104, on the behavior of mice. Male albino Swiss mice were treated with LQFM104 prior to predictive behavioral tests as open field (OFT), elevated plus maze (EPM), forced swimming (FST), and tail suspension tests (TST)...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29676971/conservative-treatment-of-a-complicated-crown-root-fracture-using-adhesive-fragment-reattachment-and-composite-resin-restoration-two-year-follow-up
#11
A V Martins, R C Albuquerque, L D Lanza, Ê L Vilaça, Nrfa Silva, A N Moreira, R R da Silveira
Crown-root fracture is one of the most challenging fracture types in the dental traumatology literature. Traumatized anterior teeth require quick functional and esthetic repair. In the case of a complex crown fracture of the maxillary left central incisor, requiring endodontic treatment, a fiber-reinforced post was used to create a central support stump to restore the dental morphology. This report describes the clinical procedures involved in the treatment. After two years of follow-up, the clinical and radiographic findings demonstrated that the adopted clinical protocol was successful and yielded healthy periodontal tissues with no signs of periradicular pathology...
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29676236/monoamine-involvement-in-the-antidepressant-like-effect-of-%C3%AE-caryophyllene
#12
Danillo Ramos Oliveira, Dayane Moreira Silva, Iziara Ferreira Florentino, Adriane de Brito, James Oluwagbamigbe Fajemiroye, Daiany Priscilla Bueno Silva, Fabio da Rocha, Elson Alves Costa, Pablinny Galdino De Carvalho
This study was conducted to evaluate the antidepressant-like activity of sesquiterpene compound β-caryophyllene (BCP) for the possible contribution of the monoamine and hippocampal levels of brain-derived neurotrophic factor (BDNF). Male albino Swiss mice were subjected to the forced swimming test after acute treatment and to the tail suspension test after repeated treatment. Hippocampal levels of BDNF were assayed by enzyme-linked immunosorbent assay. The anti-immobility effect of BCP was reverted by pretreatment with inhibitor of catecholamines α-methyl-p-tyrosine (100 mg/kg, i...
April 20, 2018: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29676178/afm-as-a-tool-to-evaluate-the-risk-for-cardiovascular-diseases-in-patients
#13
Ana Filipa Guedes, Luís Sargento, José Braz-Nogueira, Nuno Lousada, Carlos Moreira, Filomena A Carvalho, Nuno C Santos
Erythrocyte aggregation is an indicator of cardiovascular risk, which is influenced by plasma fibrinogen concentration. Fibrinogen levels are elevated during cardiovascular diseases. Our main goals were to understand how fibrinogen-erythrocyte binding influences erythrocyte aggregation and how it constitutes a cardiovascular risk factor in essential arterial hypertension (EAH) and chronic heart failure (CHF). Fibrinogen-erythrocyte and erythrocyte-erythrocyte adhesion measurements were conducted by atomic force microscopy (AFM)-based force spectroscopy...
2018: Annals of Medicine
https://www.readbyqxmd.com/read/29675765/proteomic-identification-and-purification-of-seed-proteins-from-native-amazonian-species-displaying-antifungal-activity
#14
Márcio V Ramos, Daniel Brito, Cléverson D T Freitas, José Francisco C Gonçalves, Camila T M N Porfirio, Marina D P Lobo, Ana Cristina O Monteiro-Moreira, Luiz A C Souza, Andreia V Fernandes
Seeds of native species from the rain forest (Amazon) are source of chitinases and their protein extracts exhibited strong and broad antifungal activity. Numerous plant species native to the Amazon have not yet been chemically studied. Studies of seeds are scarcer, since adversities in accessing study areas and seasonality pose constant hurdles to systematic research. In this study, proteins were extracted from seeds belonging to endemic Amazon species and were investigated for the first time. Proteolytic activity, peptidase inhibitors, and chitinases were identified, but chitinolytic activity predominated...
April 19, 2018: Planta
https://www.readbyqxmd.com/read/29675712/in-vitro-anti-inflammatory-activity-of-terpenes-via-suppression-of-superoxide-and-nitric-oxide-generation-and-the-nf-%C3%AE%C2%BAb-signalling-pathway
#15
Franciane Martins Marques, Mariana Moreira Figueira, Elisângela Flávia Pimentel Schmitt, Tamara P Kondratyuk, Denise Coutinho Endringer, Rodrigo Scherer, Marcio Fronza
BACKGROUND AND AIMS: Terpenes are considered the main components of essential oils and an important source for the identification of novel lead molecules. This study aimed to investigate the in vitro anti-inflammatory activity of L-carveol, L-carvone, and m-cimene (monoterpenes) and of valencene and guaiene (sesquiterpenes). METHODS: The influence on intracellular nitric oxide (NO) and pro- and anti-inflammatory cytokine (TNF-α, IL-1α and IL-10) production and on nuclear factor kappa B (NF-κB) activity was determined using Griess reagent, immunoenzymatic assay kits (ELISA) and chemiluminescence measurements in cell-based assays, respectively...
April 19, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29674237/eslicarbazepine-acetate-exposure-in-pregnant-women-with-epilepsy
#16
Raquel Costa, Luís M Magalhães, Joana Graça, Mariana Vieira, Helena Gama, Joana Moreira, José F Rocha, Patrício Soares-da-Silva
PURPOSE: Epilepsy is a common neurologic disorder requiring continued treatment during pregnancy. Treatment with antiepileptic drugs (AEDs) is needed for seizure control, but the risk of adverse events has to be minimized for both mother and foetus. Available data on pregnancy and foetal/postnatal outcomes following eslicarbazepine acetate (ESL) exposure via parent is herein presented for the first time. METHODS: ESL's global safety database was reviewed to identify pregnancy cases with exposure to ESL reported up to October 21st, 2017...
April 10, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29674217/speciation-bioaccessibility-and-potential-risk-of-chromium-in-amazon-forest-soils
#17
Leo J D Moreira, Evandro B da Silva, Maurício P F Fontes, Xue Liu, Lena Q Ma
Even though the Amazon region is widely studied, there is still a gap regarding Cr exposure and its risk to human health. The objectives of this study were to 1) determine Cr concentrations in seven chemical fractions and 6 particle sizes in Amazon soils, 2) quantify hexavalent Cr (CrVI) concentrations using an alkaline extraction, 3) determine the oral and lung bioaccessible Cr, and 4) assess Cr exposure risks based on total and bioaccessible Cr in soils. The total Cr in both A (0-20 cm) and B (80-100 cm) horizons was high at 2346 and 1864 mg kg-1 ...
April 16, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29673964/does-functional-capacity-fall-risk-awareness-and-physical-activity-level-predict-falls-in-older-adults-in-different-age-groups
#18
Natália Boneti Moreira, Andre Luiz Felix Rodacki, Gléber Pereira, Paulo Cesar Barauce Bento
The aims of this study were to examine whether: i) functional capacity and physical activity level differ between fallers and non-fallers older adults, by controlling for fall risk awareness; ii) functional capacity, fall risk awareness and physical activity differ between fallers and non-fallers older adults, by controlling for age; iii) variables and which may predict falls in different age groups. 1826 older adults performed a series of functional tests and reported their fall episodes, fall risk awareness and physical activity level...
April 11, 2018: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29672358/replacement-of-the-6-min-walk-test-with-glittre-adl-test-and-scores-from-the-pfsdq-m-and-hap-questionnaires-in-the-bode-index
#19
Fabiana B R Moreira, Marcelo B de Fuccio, Giane Amorim Ribeiro-Samora, Marcelo Velloso
PURPOSE: Chronic obstructive pulmonary disease reduces functional capacity, which is strongly correlated with the morbidity and mortality of patients. The BODE index considers the multifactorial nature of the disease, including the functional capacity measured by the 6-min walk test (6MWT), and this index predicts the mortality in patients with chronic obstructive pulmonary disease. Our aim was to assess whether association exists between the original BODE index and the modified BODE index by replacing the 6MWT with the scores from the Pulmonary Functional Status and Dyspnea Questionnaire-Modified version (PFSDQ-M), Human Activity Profile (HAP) questionnaire, and the results of the Glittre ADL Test (TGlittre)...
April 18, 2018: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/29672304/the-role-of-doppler-ultrassonography-in-significant-and-borderline-stenosis-definition
#20
Ana Castro, Carla Moreira, Paulo Almeida, Norton de Matos, Luís Loureiro, Gabriela Teixeira, Duarte Rego, Sérgio Teixeira, Joaquim Pinheiro, Telmo Carvalho, Isabel Fonseca, José Queirós
BACKGROUND: The definition of significant stenosis (SS) remains controversial. METHODS: We retrospectively reviewed 1,040 consultations. SS was defined in the presence of clinical and echo-Doppler (DDU) criteria: Qa <500 mL/min or Qa decrease >25%; RI >0.7 in the feeding artery or absolute minimal luminal stenosis diameter <2.0 mm. Stenosis without any additional criteria were considered borderline stenosis (BS). RESULTS: Two hundred twenty-one arteriovenous fistulas (AVFs) were included: 58...
April 19, 2018: Blood Purification
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