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Luanna M P Fernandes, Sabrina C Cartágenes, Mayara A Barros, Taiana C V S Carvalheiro, Nair Correia de Freitas Castro, Marissa G Schamne, Rafael R Lima, Rui D Prediger, Marta C Monteiro, A F Enéas, Rodrigo A Cunha, Cristiane S F Maia
Binge-like ethanol intake (BEI) is a socioeconomical problem among adolescents and increasingly affects women. BEI can leave a long-term imprint in the brain, but it is unknown if its effect on cognition and anxiety is cumulative on repeated binge-ethanol episodes. We now submitted female Wistar rats to repeated cycles of binge-like ethanol treatment by intragastrically administering ethanol (3.0 g/kg/day, 20% w/v ethanol; 3 days on/4 days off) starting at postnatal day 35 (PND35). To investigate the short-term effects of BEI during adolescence, rats underwent 1 or 4 cycles of BEI, being evaluated at PND37 and PND58, respectively: both groups displayed anxiety-like behavior in the open field and elevated plus-maze tests, as well as short-term memory deficits in the object recognition task; this was associated with transient decreases of BDNF levels and increases of GFAP levels in the hippocampus...
May 9, 2018: Behavioural Brain Research
Rémi Goupil, Maxime Lamarre-Cliche, Michel Vallée
In this report we examine the differences between the 2017 Hypertension Canada and 2017 American College of Cardiology and American Heart Association (ACC/AHA) blood pressure (BP) guidelines regarding the proportions of individuals with a diagnosis of hypertension, BP above thresholds for treatment initiation, and BP below targets using the CARTaGENE cohort. Compared with the 2017 Canadian guidelines, the 2017 ACC/AHA guidelines would result in increases of 8.7% in hypertension diagnosis and 3.4% of individuals needing treatment, with 17...
May 2018: Canadian Journal of Cardiology
Debora Afonso Silva Rocha, Leandro Figueira Reis de Sa, Ana Carolina Cartagenes Pinto, Maria de Lourdes Junqueira, Emiliana Mandarano da Silva, Ronaldo Mohana Borges, Antonio Ferreira-Pereira
BACKGROUND: Candida glabrata ranks second in epidemiological surveillance studies, and is considered one of the main human yeast pathogens. Treatment of Candida infections represents a contemporary public health problem due to the limited availability of an antifungal arsenal, toxicity effects and increasing cases of resistance. C. glabrata presents intrinsic fluconazole resistance and is a significant concern in clinical practice and in hospital environments. OBJECTIVE: The aim of this study was to characterise the azole resistance mechanism presented by a C...
February 5, 2018: Memórias do Instituto Oswaldo Cruz
Florence Lamarche, Mohsen Agharazii, Annie-Claire Nadeau-Fredette, François Madore, Rémi Goupil
Central blood pressure may be a better predictor of cardiovascular disease than brachial pressure. Although statins reduce brachial pressure, their impact on central pressure remains unknown. Furthermore, whether this effect is mediated through a decrease in low-density lipoprotein cholesterol (LDL-c) is unknown. This study aims to characterize the association of statins and LDL-c with central and brachial blood pressures and to quantify their respective effects. Of the 20 004 CARTaGENE participants, 16 507 had available central blood pressure, LDL-c, and Framingham risk score...
March 2018: Hypertension
Fanny Lepeytre, Pierre-Luc Lavoie, Stéphan Troyanov, François Madore, Mohsen Agharazii, Rémi Goupil
OBJECTIVE: Whether the cardiovascular risk attributed to elevated uric acid levels may be explained by changes in central and peripheral pulsatile and/or steady blood pressure (BP) components remains controversial. METHODS: In a cross-sectional analysis of normotensive and untreated hypertensive participants of the CARTaGENE populational cohort, we examined the relationship between uric acid, and both pulsatile and steady components of peripheral and central BP, using sex-stratified linear regressions...
March 2018: Journal of Hypertension
T A Rodrigues, A J B Sampaio, I D P Nunes, M S S Cartágenes, J B S Garcia
Strontium ranelate (SrRan) is a drug usually prescribed to treat osteoporosis, with proven effects of decreasing the risk of fractures and an indication of reducing the progression of osteoarthritis (OA). This study aimed to investigate the effects of SrRan as either a prophylactic or a treatment drug, using an OA rat model to assess pain behavior. A monoiodoacetate (MIA)-induced knee joint OA model in Wistar rats was used. Thirty Wistar rats (both sexes, 60 days old) were distributed in five groups of 6 rats each: the control group, that received no intervention; a prophylactic group, that received oral administration of 25 mg·kg-1·day-1 of SrRan for 28 days before induction of OA; a group treated with 25 mg·kg-1·day-1 of SrRan for 28 days after OA induction; a group treated with 50 mg·kg-1·day-1 during 28 days after OA induction; and a group that received oral saline for 28 days after induction...
August 7, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Rosa H M Silva, Nathália de Fátima M Lima, Alberto J O Lopes, Cleydlenne C Vasconcelos, José W C de Mesquita, Ludmilla S S de Mesquita, Fernando C V M Lima, Maria N de S Ribeiro, Ricardo M Ramos, Maria do Socorro de S Cartágenes, João B S Garcia
Borreria verticillata (L.) G. Mey. known vassourinha has antibacterial, antimalarial, hepatoprotective, antioxidative, analgesic, and anti-inflammatory, however, its antinociceptive action requires further studies. Aim of the study evaluated the antinociceptive activity of B. verticillata hydroalcoholic extract (EHBv) and ethyl acetate fraction (FAc) by in vivo and in silico studies. In vivo assessment included the paw edema test, writhing test, formalin test and tail flick test. Wistar rats and Swiss mice were divided into 6 groups and given the following treatments oral: 0...
2017: Frontiers in Pharmacology
Christel Dias, Mara Giordano, Rosalie Frechette, Simonetta Bellone, Constantin Polychronakos, Laurent Legault, Cheri L Deal, Cynthia Gates Goodyer
GH plays an essential role in the growing child by binding to the growth hormone receptor (GHR) on target cells and regulating multiple growth promoting and metabolic effects. Mutations in the GHR gene coding regions result in GH insensitivity (dwarfism) due to a dysfunctional receptor protein. However, children with idiopathic short stature (ISS) show growth impairment without GH or GHR defects. We hypothesized that decreased expression of the GHR gene may be involved. To test this, we investigated whether common genetic variants (microsatellites, SNPs) in regulatory regions of the GHR gene region were associated with the ISS phenotype...
November 2017: Journal of Cellular and Molecular Medicine
Sasha Bernatsky, Audrey Smargiassi, Lawrence Joseph, Phillip Awadalla, Ines Colmegna, Marie Hudson, Marvin J Fritzler
OBJECTIVE: To determine the association of anti-citrullinated antibodies (ACPA) with the ambient air pollutants fine particulate matter (PM2.5) and sulfur dioxide (SO2). METHODS: The CARTaGENE first-wave cohort includes 20,000 general population subjects from Quebec (Canada). On a sample of unselected 1586 subjects, we determined serum, ACPA and performed multivariable logistic regression, for the outcome of positive ACPA, assessing for independent effects of our air pollution variables, adjusting for age, sex, smoking, and French Canadian origin...
August 2017: Environmental Research
(no author information available yet)
No abstract text is available yet for this article.
April 18, 2017: Annals of Human Biology
Marc Tremblay, Gabrielle Rouleau
BACKGROUND: Genealogical analysis helps to better understand the genetic structure of populations. The population of Quebec (Canada) often serves as a model for this type of analysis, having one of the world's most complete genealogical databases. AIM: The main objective of this study was to reconstruct, analyse and compare the ascending genealogies of participants to CARTaGENE, a project that aims at building a database on various aspects of public health. SUBJECTS AND METHODS: In total, 5110 genealogies from four Quebec regions were reconstructed...
June 2017: Annals of Human Biology
Alan Hodgkinson, Jean-Christophe Grenier, Elias Gbeha, Philip Awadalla
BACKGROUND: Allele specific expression (ASE) has become an important phenotype, being utilized for the detection of cis-regulatory variation, nonsense mediated decay and imprinting in the personal genome, and has been used to both identify disease loci and consider the penetrance of damaging alleles. The detection of ASE using high throughput technologies relies on aligning short-read sequencing data, a process that has inherent biases, and there is still a need to develop fast and accurate methods to detect ASE given the unprecedented growth of sequencing information in big data projects...
September 13, 2016: BMC Bioinformatics
Rémi Goupil, Dominique Dupuis, Stéphan Troyanov, François Madore, Mohsen Agharazii
OBJECTIVES: Central hemodynamic parameters are better predictors of the cardiovascular burden than peripheral blood pressure (BP). Beta-blockers are known to reduce central BP to a lesser extent than peripheral BP, a hypothesized mechanistic consequence of heart rate (HR) reduction. METHODS: The association between beta-blocker use, HR and central hemodynamics indices was studied in treated hypertensive participants of the CARTaGENE study using propensity score analyses and multivariate linear regressions...
August 2016: Journal of Hypertension
Rémi Goupil, Dominique Dupuis, Mohsen Agharazii, Pavel Hamet, Stéphan Troyanov, François Madore
Background: Vascular stiffness and advanced chronic kidney disease (CKD) are strong determinants of higher central blood pressure (BP) and are associated with high cardiovascular morbidity and mortality. Whether mild-to-moderate CKD is associated with higher central BP independently of other comorbid conditions remains uncertain. Methods: We evaluated the central hemodynamic profile [central systolic BP, central pulse pressure (PP), augmentation index, PP amplification, augmented pressure] of Stage 3 CKD patients and compared it with participants with estimated glomerular filtration rate (eGFR) >60 mL/min/1...
June 1, 2017: Nephrology, Dialysis, Transplantation
Stéphan Troyanov, Catherine Delmas-Frenette, Guillaume Bollée, Sonia Youhanna, Vanessa Bruat, Philip Awadalla, Olivier Devuyst, François Madore
BACKGROUND AND OBJECTIVES: The urinary excretion of uromodulin is influenced by common variants in the UMOD gene, and it may be related to NaCl retention and hypertension. Levels of uromodulin are also dependent of the renal function, but other determinants remain unknown. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We tested associations between the urinary excretion of uromodulin; medical history and medication; serum and urinary levels of electrolytes, glucose, and uric acid; and the genotype at the UMOD/Protein Disulfide Isomerase-Like, Testis Expressed locus (rs4293393 and rs12446492); 943 participants from the CARTaGENE Cohort, a random sample from the Canadian population of 20,004 individuals, were analyzed...
January 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
Gustavo P Calado, Alberto Jorge O Lopes, Livio M Costa Junior, Francisco das Chagas A Lima, Lucilene A Silva, Wanderson S Pereira, Flávia M M do Amaral, João Batista S Garcia, Maria do Socorro de S Cartágenes, Flávia R F Nascimento
The chronicity of osteoarthritis (OA), characterized by pain and inflammation in the joints, is linked to a glutamate receptor, N-methyl-D-aspartate (NMDA). The use of plant species such as Chenopodium ambrosioides L. (Amaranthaceae) as NMDA antagonists offers a promising perspective. This work aims to analyze the antinociceptive and anti-inflammatory responses of the crude hydroalcoholic extract (HCE) of C. ambrosioides leaves in an experimental OA model. Wistar rats were separated into six groups (n = 24): clean (C), negative control (CTL-), positive control (CTL+), HCE0...
2015: PloS One
Athayde Neves-Junior, Ana Carolina Cartágenes-Pinto, Débora A S Rocha, Leandro F Reis de Sá, Maria de Lourdes Junqueira, Antonio Ferreira-Pereira
Candidiasis has become an important concern for clinical practice, especially with the increasing incidence of immunocompromised patients. In this scenario, the development resistance to fluconazole presents a challenge for treating these opportunistic infections. The aim of this study was to evaluate some epidemiology features of Candida infections in a Brazilian University Hospital using data, previously unavailable. We observed that 44% of the 93 clinical isolates tested, belonged to Candida albicans species and 56% belonged to non-Candida albicans species (mainly Candida tropicalis and Candida glabrata)...
August 2015: Anais da Academia Brasileira de Ciências
Cristiano S Moura, Stella S Daskalopoulou, Linda E Levesque, Sasha Bernatsky, Michal Abrahamowicz, Meytal A Tsadok, Shadi Rajabi, Louise Pilote
Thiazide diuretics (TDs) are a cost-effective first-line therapy for uncomplicated hypertension; however, they are less prescribed than other options. The authors aimed to assess the noninferiority of TDs relative to different classes of antihypertensive medications in relation to central blood pressure. Cross-sectional data from the Quebec CARTaGENE project was used. Nondiabetic hypertensive participants on monotherapy for hypertension were studied. Separate adjusted models were constructed to establish noninferiority of TDs to non-TD antihypertensive medications for central blood pressure measurements...
November 2015: Journal of Clinical Hypertension
Rana El-Bikai, Muhammad R Tahir, Johanne Tremblay, Michel Joffres, Ondřej Šeda, Lucie Šedová, Philip Awadalla, Claude Laberge, Bartha-Maria Knoppers, Pierre Dumas, Daniel Gaudet, Louis-Georges Ste-Marie, Pavel Hamet
OBJECTIVE: Hypertension and osteoporosis are age-related health risks differentially expressed in men and women. Here we have analysed their prevalence in a randomly selected cross-sectional cohort [CARTaGENE (CaG) of Quebec, Canada and explored their existing relationships along with height, arterial stiffness and bone fractures. METHODS: The principal cohort CaG included 20 007 individuals of age 40-70 years. Participants were subjected to an extensive phenotyping and a questionnaire of medical history and habits...
April 2015: Journal of Hypertension
Julie G Hussin, Alan Hodgkinson, Youssef Idaghdour, Jean-Christophe Grenier, Jean-Philippe Goulet, Elias Gbeha, Elodie Hip-Ki, Philip Awadalla
Many decades of theory have demonstrated that, in non-recombining systems, slightly deleterious mutations accumulate non-reversibly, potentially driving the extinction of many asexual species. Non-recombining chromosomes in sexual organisms are thought to have degenerated in a similar fashion; however, it is not clear the extent to which damaging mutations accumulate along chromosomes with highly variable rates of crossing over. Using high-coverage sequencing data from over 1,400 individuals in the 1000 Genomes and CARTaGENE projects, we show that recombination rate modulates the distribution of putatively deleterious variants across the entire human genome...
April 2015: Nature Genetics
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