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https://www.readbyqxmd.com/read/27254445/in-vitro-antifungal-activity-of-four-chemotypes-of-lippia-alba-verbenaceae-essential-oils-against-alternaria-solani-pleosporeaceae-isolates
#1
Elisa Z Tomazoni, Márcia R Pansera, Gabriel F Pauletti, Sidnei Moura, Rute T S Ribeiro, Joséli Schwambach
Several volatile natural compounds produced by plant secondary metabolism have been proven to present antimicrobial action, enabling their use in phytopathogen control. They also present low environmental impact when compared to conventional pesticides. Essential oils contain these compounds and can be found in several plant species, such as Lippia alba (Mill.) N.E. Brown (Verbenaceae). Essential oils of four chemotypes of L. alba, characterized by their major compounds, namely camphor, citral, linalool and camphor/1,8-cineole, were tested against the phytopathogen Alternaria solani Sorauer (Pleosporaceae), which causes early blight on tomatoes and is responsible for great economic losses regarding production...
May 31, 2016: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/26824273/ability-of-measures-of-adiposity-in-identifying-adverse-levels-of-inflammatory-and-metabolic-markers-in-adolescents
#2
José Oliveira-Santos, Rute Santos, Carla Moreira, Sandra Abreu, Luís Lopes, César Agostinis, Jorge Mota
BACKGROUND: Overweight and obesity have been associated with a pro-inflammatory state. We aimed to assess the ability of different measures of overall and abdominal adiposity for identifying adverse levels of inflammatory and metabolic markers in adolescents. METHODS: This is a cross-sectional analysis with 529 Portuguese adolescents (267 girls), mean age 14.3 ± 1.7 years. Weight, height, sitting height, waist circumference (WC), and body fat percentage (BF%) were measured; and BMI, waist-to-height ratio (WHtR), and waist-to-sitting-height ratio (WsHtR) were calculated...
April 2016: Childhood Obesity
https://www.readbyqxmd.com/read/26643314/long-live-foxo-unraveling-the-role-of-foxo-proteins-in-aging-and-longevity
#3
REVIEW
Rute Martins, Gordon J Lithgow, Wolfgang Link
Aging constitutes the key risk factor for age-related diseases such as cancer and cardiovascular and neurodegenerative disorders. Human longevity and healthy aging are complex phenotypes influenced by both environmental and genetic factors. The fact that genetic contribution to lifespan strongly increases with greater age provides basis for research on which "protective genes" are carried by long-lived individuals. Studies have consistently revealed FOXO (Forkhead box O) transcription factors as important determinants in aging and longevity...
April 2016: Aging Cell
https://www.readbyqxmd.com/read/26603002/menkes-disease-importance-of-diagnosis-with-molecular-analysis-in-the-neonatal-period
#4
Larissa Sampaio de Athayde Costa, Stephanie Pucci Pegler, Rute Facchini Lellis, Vera Lúcia Jornada Krebs, Stephen Robertson, Tim Morgan, Rachel Sayuri Honjo, Débora Romeo Bertola, Chong Ae Kim
Menkes disease is a congenital disorder caused by changes in copper metabolism derived from mutations in the ATP7A gene. It is characterized by physical and neurological alterations. In the neonatal period, these alterations can be nonspecific, which makes early diagnosis a challenge. Diagnosis can be suspected when there are low levels of ceruloplasmin and serum copper. Molecular analysis confirms the diagnosis. Treatment is parenteral administration of copper histidine. We report a familial case with molecular confirmation...
September 2015: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/26351202/shotgun-analysis-of-the-marine-mussel-mytilus-edulis-hemolymph-proteome-and-mapping-the-innate-immunity-elements
#5
Alexandre Campos, Itxaso Apraiz, Rute R da Fonseca, Susana Cristobal
The marine mussel innate immunity provides protection to pathogen invasion and inflammation. In this regard, the mussel hemolymph takes a main role in the animal innate response. Despite the importance of this body fluid in determining the physiological condition of the animal, little is known about the molecular mechanisms underlying the cellular and humoral responses. In this work, we have applied a MS (nano-LC-MS/MS) strategy integrating genomic and transcriptomic data with the aim to: (i) identify the main protein functional groups that characterize hemolymph and (ii) to map the elements of innate immunity in the marine mussel Mytilus edulis hemolymph proteome...
December 2015: Proteomics
https://www.readbyqxmd.com/read/26135459/unravelling-the-evolution-of-the-allatostatin-type-a-kiss-and-galanin-peptide-receptor-gene-families-in-bilaterians-insights-from-anopheles-mosquitoes
#6
Rute C Felix, Marlene Trindade, Isa R P Pires, Vera G Fonseca, Rute S Martins, Henrique Silveira, Deborah M Power, João C R Cardoso
UNLABELLED: Allatostatin type A receptors (AST-ARs) are a group of G-protein coupled receptors activated by members of the FGL-amide (AST-A) peptide family that inhibit food intake and development in arthropods. Despite their physiological importance the evolution of the AST-A system is poorly described and relatively few receptors have been isolated and functionally characterised in insects. The present study provides a comprehensive analysis of the origin and comparative evolution of the AST-A system...
2015: PloS One
https://www.readbyqxmd.com/read/26025920/melatonin-antiproliferative-effects-require-active-mitochondrial-function-in-embryonal-carcinoma-cells
#7
Rute Loureiro, Silvia Magalhães-Novais, Katia A Mesquita, Ines Baldeiras, Isabel S Sousa, Ludgero C Tavares, Ines A Barbosa, Paulo J Oliveira, Ignacio Vega-Naredo
Although melatonin oncostatic and cytotoxic effects have been described in different types of cancer cells, the specific mechanisms leading to its antitumoral effects and their metabolic context specificity are still not completely understood. Here, we evaluated the effects of melatonin in P19 embryonal carcinoma stem cells (CSCs) and in their differentiated counterparts, cultured in either high glucose medium or in a galactose (glucose-free) medium which leads to glycolytic suppression and increased mitochondrial metabolism...
July 10, 2015: Oncotarget
https://www.readbyqxmd.com/read/25826206/host-glycan-sugar-specific-pathways-in-streptococcus-pneumoniae-galactose-as-a-key-sugar-in-colonisation-and-infection-corrected
#8
Laura Paixão, Joana Oliveira, André Veríssimo, Susana Vinga, Eva C Lourenço, M Rita Ventura, Morten Kjos, Jan-Willem Veening, Vitor E Fernandes, Peter W Andrew, Hasan Yesilkaya, Ana Rute Neves
The human pathogen Streptococcus pneumoniae is a strictly fermentative organism that relies on glycolytic metabolism to obtain energy. In the human nasopharynx S. pneumoniae encounters glycoconjugates composed of a variety of monosaccharides, which can potentially be used as nutrients once depolymerized by glycosidases. Therefore, it is reasonable to hypothesise that the pneumococcus would rely on these glycan-derived sugars to grow. Here, we identified the sugar-specific catabolic pathways used by S. pneumoniae during growth on mucin...
2015: PloS One
https://www.readbyqxmd.com/read/25666790/shutting-down-the-furnace-preferential-killing-of-cancer-cells-with-mitochondrial-targeting-molecules
#9
REVIEW
Cláudia M Deus, Gabriela L Santos, Rute Loureiro, Ignacio Vega-Naredo, Henrique Faneca, Paulo J Oliveira
Mitochondria are organelles which play an important role not only in cellular metabolism but also in controlling pathways related with cell death, ionic and redox regulation. Alterations in mitochondrial metabolism are implicated in a variety of diseases, including cancer. Cellular and mitochondrial metabolism are both altered during the different stages of tumor development. As cancer cells have altered metabolic profiles, these alterations are a valid and promising target for anti-cancer agents. We hereby review several molecules that are in different stages of development and which target mitochondria in cancer cells...
2015: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/25267350/influence-of-temperature-and-humidity-manipulation-on-chicken-embryonic-development
#10
Rute M Noiva, António C Menezes, Maria C Peleteiro
BACKGROUND: Temperature and relative humidity (RH) are very important factors affecting embryo development, hatchability, and posthatch performance. This study aimed at characterizing embryonic metabolic and behavioural response to a harsh incubation environment generated by manipulations (elevations and drops) in these two key factors. This study was aimed at establishing patterns of metabolic and behavioural response, as well as mortality and the development of malformations, all of which can potentially be used in monitoring incubating operations and diagnosing problems with faulty equipment...
2014: BMC Veterinary Research
https://www.readbyqxmd.com/read/25245810/lactate-dehydrogenase-is-the-key-enzyme-for-pneumococcal-pyruvate-metabolism-and-pneumococcal-survival-in-blood
#11
Paula Gaspar, Firas A Y Al-Bayati, Peter W Andrew, Ana Rute Neves, Hasan Yesilkaya
Streptococcus pneumoniae is a fermentative microorganism and causes serious diseases in humans, including otitis media, bacteremia, meningitis, and pneumonia. However, the mechanisms enabling pneumococcal survival in the host and causing disease in different tissues are incompletely understood. The available evidence indicates a strong link between the central metabolism and pneumococcal virulence. To further our knowledge on pneumococcal virulence, we investigated the role of lactate dehydrogenase (LDH), which converts pyruvate to lactate and is an essential enzyme for redox balance, in the pneumococcal central metabolism and virulence using an isogenic ldh mutant...
December 2014: Infection and Immunity
https://www.readbyqxmd.com/read/25016048/novel-galanin-receptors-in-teleost-fish-identification-expression-and-regulation-by-sex-steroids
#12
Rute S T Martins, Patrícia I S Pinto, Pedro M Guerreiro, Silvia Zanuy, Manuel Carrillo, Adelino V M Canário
In fish, the onset of puberty, the transition from juvenile to sexually reproductive adult animals, is triggered by the activation of pituitary gonadotropin secretion and its timing is influenced by external and internal factors that include the growth/adiposity status of the animal. Kisspeptins have been implicated in the activation of puberty but peripheral signals coming from the immature gonad or associated to the metabolic/nutritional status are also thought to be involved. Therefore we hypothesize the importance of the galinergic system in the brain and testis of pre-pubertal male sea bass as a candidate to translate the signals leading to activation of testicular maturation...
September 1, 2014: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/24964211/fatty-acid-synthase-inhibitors-induce-apoptosis-in-non-tumorigenic-melan-a-cells-associated-with-inhibition-of-mitochondrial-respiration
#13
Franco A Rossato, Karina G Zecchin, Paolo G La Guardia, Rose M Ortega, Luciane C Alberici, Rute A P Costa, Rodrigo R Catharino, Edgard Graner, Roger F Castilho, Aníbal E Vercesi
The metabolic enzyme fatty acid synthase (FASN) is responsible for the endogenous synthesis of palmitate, a saturated long-chain fatty acid. In contrast to most normal tissues, a variety of human cancers overexpress FASN. One such cancer is cutaneous melanoma, in which the level of FASN expression is associated with tumor invasion and poor prognosis. We previously reported that two FASN inhibitors, cerulenin and orlistat, induce apoptosis in B16-F10 mouse melanoma cells via the intrinsic apoptosis pathway. Here, we investigated the effects of these inhibitors on non-tumorigenic melan-a cells...
2014: PloS One
https://www.readbyqxmd.com/read/24696399/the-elusive-nature-of-adaptive-mitochondrial-dna-evolution-of-an-arctic-lineage-prone-to-frequent-introgression
#14
José Melo-Ferreira, Joana Vilela, Miguel M Fonseca, Rute R da Fonseca, Pierre Boursot, Paulo C Alves
Mitochondria play a fundamental role in cellular metabolism, being responsible for most of the energy production of the cell in the oxidative phosphorylation (OXPHOS) pathway. Mitochondrial DNA (mtDNA) encodes for key components of this process, but its direct role in adaptation remains far from understood. Hares (Lepus spp.) are privileged models to study the impact of natural selection on mitogenomic evolution because 1) species are adapted to contrasting environments, including arctic, with different metabolic pressures, and 2) mtDNA introgression from arctic into temperate species is widespread...
April 2014: Genome Biology and Evolution
https://www.readbyqxmd.com/read/24563073/parental-education-level-is-associated-with-clustering-of-metabolic-risk-factors-in-adolescents-independently-of-cardiorespiratory-fitness-adherence-to-the-mediterranean-diet-or-pubertal-stage
#15
Rute Santos, Carla Moreira, Sandra Abreu, Luís Lopes, Jonatan R Ruiz, Pedro Moreira, Pedro Silva, Jorge Mota
Few studies have reported associations between clustering metabolic risk factors and socioeconomic status (SES) in youth. This study aimed to analyze the association between clustering metabolic risk factors and SES in adolescents. It was hypothesized that SES is inversely related to clustering metabolic risk factors. This 2009 cross-sectional school-based study investigated 517 Portuguese adolescents ages 15-18 years. The study considered the age- and sex-adjusted z-scores for the ratio of total cholesterol/high-density lipoprotein, homeostasis model, triglycerides, and systolic blood pressure, and a metabolic risk score was constructed by summing all the z-scores (≥1 standard deviation was considered high risk)...
August 2014: Pediatric Cardiology
https://www.readbyqxmd.com/read/24562047/lacosamide-serum-concentrations-in-adult-patients-with-epilepsy-the-influence-of-gender-age-dose-and-concomitant-antiepileptic-drugs
#16
Sofia Markoula, Rute Teotonio, Neville Ratnaraj, John S Duncan, Josemir W Sander, Philip N Patsalos
OBJECTIVE: Lacosamide (LCM), a new antiepileptic drug (AED) approved as adjunctive therapy for the treatment of patients with partial-onset seizures, has limited pharmacokinetic and drug interaction data. The main objectives of the present study were to investigate the effects of dose, age, gender, and hepatic enzyme-inducing AEDs on the pharmacokinetics of LCM as assessed by steady state serum LCM values. METHODS: An LCM AED therapeutic drug monitoring database was analyzed with regard to LCM serum concentrations and other relevant patient and AED drug information...
August 2014: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/24495166/vitamin-d-intake-and-cardiometabolic-risk-factors-in-adolescents
#17
Carla Moreira, Pedro Moreira, Sandra Abreu, Paula C Santos, Isabel Moreira-Silva, Susana Póvoas, Jorge Mota, Rute Santos
BACKGROUND: A growing body of research suggests that vitamin D might play an important role in overall health. No data exist on vitamin D intake for the Azorean adolescent population. The purpose of this study was to assess vitamin D intake and investigate a possible association between vitamin D intake and cardiometabolic risk factors in Azorean adolescents. METHODS: A cross-sectional school-based study was conducted on 496 adolescents (288 girls) aged 15-18 years from the Azorean Islands, Portugal...
April 2014: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/24418246/intake-of-milk-but-not-total-dairy-yogurt-or-cheese-is-negatively-associated-with-the-clustering-of-cardiometabolic-risk-factors-in-adolescents
#18
Sandra Abreu, Pedro Moreira, Carla Moreira, Jorge Mota, Isabel Moreira-Silva, Paula-Clara Santos, Rute Santos
Epidemiologic studies have reported an inverse association between dairy product consumption and cardiometabolic risk factors in adults, but this relation is relatively unexplored in adolescents. We hypothesized that a higher dairy product intake is associated with lower cardiometabolic risk factor clustering in adolescents. To test this hypothesis, a cross-sectional study was conducted with 494 adolescents aged 15 to 18 years from the Azorean Archipelago, Portugal. We measured fasting glucose, insulin, total cholesterol, high-density lipoprotein cholesterol, triglycerides, systolic blood pressure, body fat, and cardiorespiratory fitness...
January 2014: Nutrition Research
https://www.readbyqxmd.com/read/24405802/psychosocial-factors-as-predictors-of-quality-of-life-in-chronic-portuguese-patients
#19
Estela Vilhena, José Pais-Ribeiro, Isabel Silva, Luísa Pedro, Rute F Meneses, Helena Cardoso, António Martins da Silva, Denisa Mendonça
BACKGROUND: Chronic illnesses are diseases of long duration and generally of slow progression. They cause significant quality of life impairment. The aim of this study was to analyse psychosocial predictors of quality of life and of subjective well-being in chronic Portuguese patients. METHODS: Chronic disease patients (n = 774) were recruited from central Portuguese Hospitals. Participants completed self-reported questionnaires assessing socio-demographic, clinical, psychosocial and outcome variables: quality of life (HRQL) and subjective well-being (SWB)...
2014: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/24188962/novel-biosensors-based-on-flavonoid-responsive-transcriptional-regulators-introduced-into-escherichia-coli
#20
Solvej Siedler, Steen G Stahlhut, Sailesh Malla, Jérôme Maury, Ana Rute Neves
This study describes the construction of two flavonoid biosensors, which can be applied for metabolic engineering of Escherichia coli strains. The biosensors are based on transcriptional regulators combined with autofluorescent proteins. The transcriptional activator FdeR from Herbaspirillum seropedicae SmR1 responds to naringenin, while the repressor QdoR from Bacillus subtilis is inactivated by quercetin and kaempferol. Both biosensors showed over a 7-fold increase of the fluorescent signal after addition of their specific effectors, and a linear correlation between the fluorescence intensity and externally added flavonoid concentration...
January 2014: Metabolic Engineering
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