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Ana Hernández, Paula Arbildi, Cecilia Sóñora, Natalia Del Río, Juan Martin Marques
Tissue transglutaminase is a ubiquitous and multifunctional protein that contribute to several processes such as apoptosis/survival, efferocytosis, inflammation and tissue repairing under physiological and pathological conditions. Several activities can be associated with well established functional domains; in addition, four RNA alternative splice variants have been described, characterized by sequence divergences and residues deletion at the C-terminal domains Tissue transglutaminase is recognized as the central player in the physiopathology of celiac disease mainly through calcium dependent enzymatic activities...
March 15, 2018: Scandinavian Journal of Immunology
Cecília M S Pereira, Gert Everaert, Ronny Blust, Karel A C De Schamphelaere
Ecological risk assessment (ERA) is commonly based on single generation ecotoxicological tests that are usually performed at one standard temperature. We investigate the effects of nickel (Ni) on Daphnia magna reproduction at 15, 20 and 25°C along four generations. Multigenerational Ni effects on D. magna reproduction depended on the magnitude of the effect in the first generation (F0) and showed very different patterns at different temperatures. At low effect level concentrations (<EC10 of F0), chronic Ni toxicity at 15 and 20°C did not increase along four generations, and the increase of Ni toxicity at 25°C observed in F1 and F2 in some Ni treatments did not persist into F3, where complete recovery of reproduction was observed...
March 15, 2018: Environmental Toxicology and Chemistry
Kaushal K Verma, Erik Zimerson, Magnus Bruze, Malin Engfeldt, Cecilia Svedman, Marléne Isaksson
No abstract text is available yet for this article.
March 15, 2018: Contact Dermatitis
Joachim Woelfle, Anders Lindberg, Ferah Aydin, Ken K Ong, Cecilia Camacho-Hubner, Bettina Gohlke
Background: Whether children with chromosomal disorders of growth and puberty are affected by secular trends (STs) as observed in the general population remains unanswered, but this question has relevance for expectations of spontaneous development and treatment responses. Objectives: The aim of the study was to evaluate STs in birth parameters, growth, and pubertal development in girls with Turner syndrome (TS). Study design: Retrospective analysis of KIGS data (Pfizer International Growth Database)...
2018: Frontiers in Endocrinology
Yuxin Zhang, Wen-Tao Deng, Wei Du, Ping Zhu, Jie Li, Fan Xu, Jingfen Sun, Cecilia D Gerstner, Wolfgang Baehr, Sanford L Boye, Chen Zhao, William W Hauswirth, Ji-Jing Pang
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
March 14, 2018: Scientific Reports
María Cecilia Gimenez, Flavia Adriana Zanetti, Mauricio R Terebiznik, María Isabel Colombo, Laura Ruth Delgui
Birnaviruses are unconventional members of the double-stranded RNA (dsRNA) viruses group that are characterized by the lack of a transcriptionally active inner core. Instead, the birnaviral particles organize their genome in ribonucleoprotein complexes (RNPs) composed by dsRNA segments, the dsRNA-binding VP3 protein, and the viral encoded RNA-dependent RNA-polymerase (RdRp). This and other structural features suggests that birnaviruses may follow a completely different replication program from that followed by members of the Reoviridae family, supporting the hypothesis that birnaviruses are the evolutionary link between single-stranded positive RNA (+ssRNA) and dsRNA viruses...
March 14, 2018: Journal of Virology
Wendy E Whatney, Neel R Gandhi, Cecilia S Lindestam Arlehamn, Azhar Nizam, Hao Wu, Melanie J Quezada, Angela Campbell, Salim Allana, Mbuyi Madeleine Kabongo, Jeremiah Khayumbi, Benson Muchiri, Joshua Ongalo, Joan Tonui, Loren E Sasser, Tawania J Fergus, Gregory Sadat Ouma, Samuel Gurrion Ouma, Allison A Beck, Mark J Mulligan, Alawode Oladele, Deepak Kaushal, Kevin P Cain, Lance Waller, Henry M Blumberg, John D Altman, Joel D Ernst, Jyothi Rengarajan, Cheryl L Day
Antigen-specific CD4 and CD8 T cells are important components of the immune response to Mycobacterium tuberculosis , yet little information is currently known regarding how the breadth, specificity, phenotype, and function of M. tuberculosis -specific T cells correlate with M. tuberculosis infection outcome in humans. To facilitate evaluation of human M. tuberculosis -specific T cell responses targeting multiple different Ags, we sought to develop a high throughput and reproducible T cell response spectrum assay requiring low blood sample volumes...
March 14, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
Cecilia Siliansky de Andreazzi, Paulo R Guimarães, Carlos J Melián
Studies have shown the potential for rapid adaptation in coevolving populations and that the structure of species interaction networks can modulate the vulnerability of ecological systems to perturbations. Although the feedback loop between population dynamics and coevolution of traits is crucial for understanding long-term stability in ecological assemblages, modelling eco-evolutionary dynamics in species-rich assemblages is still a challenge. We explore how eco-evolutionary feedbacks influence trait evolution and species abundances in 23 empirical antagonistic networks...
March 14, 2018: Proceedings. Biological Sciences
Ray Hu, Michael P Morley, Jeffrey Brandimarto, Nathan R Tucker, Victoria A Parsons, Sihai D Zhao, Benjamin Meder, Hugo A Katus, Frank Rühle, Monika Stoll, Eric Villard, François Cambien, Honghuang Lin, Nicholas L Smith, Janine F Felix, Ramachandran S Vasan, Pim van der Harst, Christopher Newton-Cheh, Jin Li, Cecilia E Kim, Hakon Hakonarson, Sridhar Hannenhalli, Euan A Ashley, Christine S Moravec, W H Wilson Tang, Marjorie Maillet, Jeffery D Molkentin, Patrick T Ellinor, Kenneth B Margulies, Thomas P Cappola
BACKGROUND: Inhibition of PKC-α (protein kinase C-α) enhances contractility and cardioprotection in animal models, but effects in humans are unknown. Genotypes at rs9912468 strongly associate with PRKCA expression in the left ventricle, enabling genetic approaches to measure effects of reduced PKC-α in human populations. METHODS AND RESULTS: We analyzed the cis expression quantitative trait locus for PRKCA marked by rs9912468 using 313 left ventricular specimens from European Ancestry patients...
March 2018: Circ Genom Precis Med
Monica Samuel Avila, Silvia Moreira Ayub-Ferreira, Mauro Rogerio de Barros Wanderley Junior, Fatima das Dores Cruz, Sara Michelly Gonçalves Brandão, Vagner Oliveira Carvalho Rigaud, Marilia Higushi-Dos-Santos, Ludhmila Abrahão Hajjar, Roberto Kalil Filho, Paulo Marcelo Hoff, Marina Sahade, Marcela S M Ferrari, Romulo Leopoldo de Paula Costa, Max Senna Mano, Cecilia Beatriz Bittencourt Viana Cruz, Maria Cristina Abduch, Marco Stephan Lofrano Alves, Guilherme Veiga Guimaraes, Victor Sarli Issa, Marcio Sommer Bittencourt, Edimar Alcides Bocchi
BACKGROUND: Anthracycline (ANT) chemotherapy is associated with cardiotoxicity. Prevention with β-blockers remains controversial. OBJECTIVE: The aim of this prospective, randomized, double-blind, placebo-controlled study was to evaluate the role of carvedilol in preventing ANT cardiotoxicity. METHODS: We randomized 200 patients with HER2-negative breast cancer tumor status and normal left ventricular ejection fraction (LVEF) referred for ANT (240 mg/m2 ) to receive carvedilol or placebo until chemotherapy completion...
March 3, 2018: Journal of the American College of Cardiology
Vicente Perez-Garcia, Elena Fineberg, Robert Wilson, Alexander Murray, Cecilia Icoresi Mazzeo, Catherine Tudor, Arnold Sienerth, Jacqueline K White, Elizabeth Tuck, Edward J Ryder, Diane Gleeson, Emma Siragher, Hannah Wardle-Jones, Nicole Staudt, Neha Wali, John Collins, Stefan Geyer, Elisabeth M Busch-Nentwich, Antonella Galli, James C Smith, Elizabeth Robertson, David J Adams, Wolfgang J Weninger, Timothy Mohun, Myriam Hemberger
Large-scale phenotyping efforts have demonstrated that approximately 25-30% of mouse gene knockouts cause intrauterine lethality. Analysis of these mutants has largely focused on the embryo and not the placenta, despite the crucial role of this extraembryonic organ for developmental progression. Here we screened 103 embryonic lethal and sub-viable mouse knockout lines from the Deciphering the Mechanisms of Developmental Disorders program for placental phenotypes. We found that 68% of knockout lines that are lethal at or after mid-gestation exhibited placental dysmorphologies...
March 14, 2018: Nature
Marta Scatena, Melissa F Jackson, Mei Y Speer, Elizabeth M Leaf, Mary C Wallingford, Cecilia M Giachelli
OBJECTIVE: Calcific aortic valve disease (CAVD) is a major cause of aortic stenosis (AS) and cardiac insufficiency. Patients with type II diabetes mellitus (T2DM) are at heightened risk for CAVD, and their valves have greater calcification than nondiabetic valves. No drugs to prevent or treat CAVD exist, and animal models that might help identify therapeutic targets are sorely lacking. To develop an animal model mimicking the structural and functional features of CAVD in people with T2DM, we tested a diabetogenic, procalcific diet and its effect on the incidence and severity of CAVD and AS in the, LDLr-/- ApoB100/100 mouse model...
February 15, 2018: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
Síle F Molloy, Cecilia Kanyama, Robert S Heyderman, Angela Loyse, Charles Kouanfack, Duncan Chanda, Sayoki Mfinanga, Elvis Temfack, Shabir Lakhi, Sokoine Lesikari, Adrienne K Chan, Neil Stone, Newton Kalata, Natasha Karunaharan, Kate Gaskell, Mary Peirse, Jayne Ellis, Chimwemwe Chawinga, Sandrine Lontsi, Jean-Gilbert Ndong, Philip Bright, Duncan Lupiya, Tao Chen, John Bradley, Jack Adams, Charles van der Horst, Joep J van Oosterhout, Victor Sini, Yacouba N Mapoure, Peter Mwaba, Tihana Bicanic, David G Lalloo, Duolao Wang, Mina C Hosseinipour, Olivier Lortholary, Shabbar Jaffar, Thomas S Harrison
BACKGROUND: Cryptococcal meningitis accounts for more than 100,000 human immunodeficiency virus (HIV)-related deaths per year. We tested two treatment strategies that could be more sustainable in Africa than the standard of 2 weeks of amphotericin B plus flucytosine and more effective than the widely used fluconazole monotherapy. METHODS: We randomly assigned HIV-infected adults with cryptococcal meningitis to receive an oral regimen (fluconazole [1200 mg per day] plus flucytosine [100 mg per kilogram of body weight per day] for 2 weeks), 1 week of amphotericin B (1 mg per kilogram per day), or 2 weeks of amphotericin B (1 mg per kilogram per day)...
March 15, 2018: New England Journal of Medicine
Amália de Fátima Lucena, Cecília Zys Magro, Maria Conceição da Costa Proença, Ananda Ughini Bertoldo Pires, Vítor Monteiro Moraes, Graziella Badin Aliti
OBJECTIVE: To validate interventions and nursing activities proposed by the Nursing Interventions Classification for patients with acute renal failure or acute chronic renal disease in hemodialysis therapy with the Excess Fluid Volume and Risk for Imbalanced Fluid Volume nursing diagnoses. METHODS: Validation of content with 19 expert nurses from a university hospital. The data collection was made from September to November 2011 through instruments that contained the interventions and nursing activities in study...
March 12, 2018: Revista Gaúcha de Enfermagem
Maria Cecília de Souza Minayo, Romeu Gomes
No abstract text is available yet for this article.
March 2018: Ciência & Saúde Coletiva
Juliana Carvalho Ferreira, Cecilia Maria Patino
No abstract text is available yet for this article.
January 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Caroline Dos Santos Costa, Thaynã Ramos Flores, Andrea Wendt, Rosália Garcia Neves, Maria Cecília Formoso Assunção, Iná S Santos
The aim of this cross-sectional study was to investigate the association between sedentary behavior and consumption of ultra-processed foods (UPF) among Brazilian adolescents. The study used data from the 2015 edition of the Brazilian National School Health Survey (PeNSE). Daily consumption of at least one group of UPF was the outcome, and the principal exposure was daily time spent in sedentary behavior (hours spent sitting, except for time sitting at school). We calculated prevalence rates, prevalence ratios, and 95% confidence intervals (95%CI)...
March 8, 2018: Cadernos de Saúde Pública
Betina Cecilia Agaras, Andrés Iriarte, Claudio Fabián Valverde
Plant-growth promotion has been linked to the Pseudomonas genus since the beginning of this research field. In this work, we mined the genome of an Argentinean isolate of the recently described species P. donghuensis. Strain SVBP6, isolated from bulk soil of an agricultural plot, showed a broad antifungal activity and several other plant-probiotic activities. As this species has been recently described, and it seems like some plant-growth promoting (PGP) traits do not belong to the classical pseudomonads toolbox, we decide to explore the SVBP6 genome via an bioinformatic approach...
2018: PloS One
Luana Romão Nogueira, Mariane de Mello Fontanelli, Breno Souza de Aguiar, Marcelo Antunes Failla, Alex Antonio Florindo, Ligia Vizeu Barrozo, Moisés Goldbaum, Chester Luiz Galvão Cesar, Maria Cecilia Goi Porto Alves, Regina Mara Fisberg
Food environment and income act as determinants of diet, and consequently, of the consumption of fruits and vegetables. The objective of this study is to investigate the association between fruit and vegetable consumption, income, and street market density in adolescents living in São Paulo, Brazil. Data from 521 adolescents (12 to 19 years) participating in the 2015 Health Survey of São Paulo were used. Buffers (500, 1000, and 1500 m) were drawn around the households and the street markets were counted in each zone...
March 14, 2018: International Journal of Environmental Research and Public Health
Cecilia Martinez-Torteya, Katherine L Rosenblum, Marjorie Beeghly, David Oppenheim, Nina Koren-Karie, Maria Muzik
The current study evaluated whether maternal insightfulness can buffer the negative influence of postpartum stressful life events on maternal parenting behaviors. Participants were 125 mother-infant dyads (55% boys) who present a subsample of a larger longitudinal study on maternal maltreatment during childhood and its impact on peripartum maternal adjustment. Women were primarily white and middle class. At 4 months postpartum, mothers reported on the stressful life events experienced after the child's birth and current depressive symptoms...
March 14, 2018: Attachment & Human Development
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