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https://www.readbyqxmd.com/read/28334204/transcriptomic-and-histological-responses-of-african-rice-oryza-glaberrima-to-meloidogyne-graminicola-provide-new-insights-into-root-knot-nematode-resistance-in-monocots
#1
Anne-Sophie Petitot, Tina Kyndt, Rana Haidar, Alexis Dereeper, Myriam Collin, Janice de Almeida Engler, Godelieve Gheysen, Diana Fernandez
Background and Aims: The root-knot nematode Meloidogyne graminicola is responsible for production losses in rice ( Oryza sativa ) in Asia and Latin America. The accession TOG5681 of African rice, O. glaberrima , presents improved resistance to several biotic and abiotic factors, including nematodes. The aim of this study was to assess the cytological and molecular mechanisms underlying nematode resistance in this accession. Methods: Penetration and development in M...
February 28, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333986/building-the-road-to-a-regional-zoonoses-strategy-a-survey-of-zoonoses-programmes-in-the-americas
#2
Melody J Maxwell, Mary H Freire de Carvalho, Armando E Hoet, Marco A N Vigilato, Julio C Pompei, Ottorino Cosivi, Victor J Del Rio Vilas
BACKGROUND: In recent years, global public health security has been threatened by zoonotic disease emergence as exemplified by outbreaks of H5N1 and H1N1 influenza, SARS, and most recently Ebola and Zika. Additionally, endemic zoonoses, such as rabies, burden countries year after year, placing demands on limited finances and personnel. To survey the baseline status of the emerging and endemic zoonoses programmes of the Latin American and the Caribbean (LAC) countries, the Pan American Health Organization (PAHO) conducted a survey of priority emerging and endemic zoonoses, countries´ prioritization criteria and methodologies, and suggestions to strengthen countries capacities and regional approaches to zoonoses control...
2017: PloS One
https://www.readbyqxmd.com/read/28333596/to-create-a-consensus-on-malnutrition-diagnostic-criteria
#3
Tommy Cederholm, Gordon L Jensen
During the European Society for Clinical Nutrition and Metabolism (ESPEN) Congress in Copenhagen, Denmark (September 2016), representatives of the 4 largest global parenteral and enteral nutrition (PEN) societies from Europe (ESPEN), the United States (American Society for Parenteral and Enteral Nutrition [ASPEN]), Asia (Parenteral and Enteral Nutrition Society of Asia [PENSA]), and Latin America (Latin American Federation of Parenteral and Enteral Nutrition [FELANPE]) and from national PEN societies around the world met to continue the conversation on how to diagnose malnutrition that started during the Clinical Nutrition Week, Austin, Texas (February 2016)...
March 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28329605/psoriasis-in-latin-america
#4
Edgardo Chouela, Mario Amaya, Angela Londoño, Ricardo Romiti, Fernando Valenzuela, Artur A Duarte, Ricardo Perez Alfonzo, Cecilia Borlenghi
During the last few decades, management of psoriasis has changed worldwide, owing to a better understanding of its pathophysiology and the introduction of new treatments. As experts in the field of dermatology, specialists from Latin America collaborated to develop this review and further provide an update on the current state of psoriasis management in Latin America. With the goal of summarizing the latest information on psoriasis in most countries in Latin America, we conducted a literature search to obtain relevant articles published in the medical/scientific literature in Latin American countries over the last 10 years; in addition, we completed a questionnaire comprised of 20 questions on important issues related to psoriasis...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328932/comparing-internal-migration-across-the-countries-of-latin-america-a-multidimensional-approach
#5
Aude Bernard, Francisco Rowe, Martin Bell, Philipp Ueffing, Elin Charles-Edwards
While considerable progress has been made in understanding the way particular aspects of internal migration, such as its intensity, age profile and spatial impact, vary between countries around the world, little attention to date has been given to establishing how these dimensions of migration interact in different national settings. We use recently developed measures of internal migration that are scale-independent to compare the overall intensity, age composition, spatial impact, and distance profile of internal migration in 19 Latin American countries...
2017: PloS One
https://www.readbyqxmd.com/read/28328490/the-coming-gray-tide-wanted-health-innovations-for-an-increasingly-older-population
#6
Leslie Mertz
The human population is getting older, and technology will play a key role in addressing the pressures this aging will place on healthcare systems. According to the 2015 United Nations' World Population Ageing report [1], the number of people worldwide 60 and older will increase from one in eight in 2015 to one in six by 2030 and to one in five by 2050; in Europe and "Northern America" (mainly the United States and Canada), those 60 and older will make up 25% of the population by 2030, and in Asia and Latin America, the number is predicted to be 17%...
March 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28327853/-latin-american-perspectives-on-person-centered-medicine
#7
Alberto Perales, Juan Mendoza, Rodolfo Armas, Oscar Cluzet
Person-centered medicine (PCM) is a programmatic global initiative led by the International College of Person-Centered Medicine. It has recently emerged in Latin America. It requires the use of scientific research as an instrument to generate the best clinical evidence, and humanism as the essence of medicine to help mankind. It is focused on not only combatting disease but also promoting the display of healthy human being potentials towards achieving well-being and comprehensive growth. Although the humanism of medicine in Latin America has been a distinctive characteristic of its practice, now, there is a worrying decline in its impact on healthcare...
October 2016: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28327818/paracoccidioidomycosis-in-a-liver-transplant-recipient
#8
Thais Carneiro Lima, Regis Otaviano Franca Bezerra, Luiz Tenório de Brito Siqueira, Marcos Roberto de Menezes, Claudia da Costa Leite, Gilda Porta, Giovanni Guido Cerri
Paracoccidioidomycosis is a granulomatous systemic mycosis that is endemic in Latin America; it is an extremely rare infection following solid organ transplantation. In this study, we describe the first report of disseminated paracoccidioidomycosis in a 3-year-old girl who underwent liver transplantation 2 years previously. The radiologic diagnosis and patient follow-up are described. In addition, we review the clinical evolution and treatment regimens for this infection.
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327800/trypanosoma-cruzi-i-genotype-among-isolates-from-patients-with-chronic-chagas-disease-followed-at-the-evandro-chagas-national-institute-of-infectious-diseases-fiocruz-brazil
#9
Tatiana da Silva Fonseca de Oliveira, Barbara Neves Dos Santos, Tainah Silva Galdino, Alejandro Marcel Hasslocher-Moreno, Otilio Machado Pereira Bastos, Maria Auxiliadora de Sousa
INTRODUCTION: Trypanosoma cruzi is the etiologic agent of Chagas disease in humans, mainly in Latin America. Trypanosome stocks were isolated by hemoculture from patients followed at Evandro Chagas National Institute of Infectious Diseases (FIOCRUZ) and studied using different approaches. METHODS: For species and genotype identification, the stocks were analyzed by parasitological techniques, polymerase chain reaction assays targeted to specific DNA sequences, isoenzyme patterns, besides sequencing of a polymorphic locus of TcSC5D gene (one stock)...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327792/vegetation-loss-and-the-2016-oropouche-fever-outbreak-in-peru
#10
Daniel Romero-Alvarez, Luis E Escobar
BACKGROUND: Oropouche virus causes Oropouche fever, an arboviral disease transmitted mainly by midges of the genus Culicoides and Culex mosquitoes. Clinical presentation of Oropouche fever in humans includes fever, headache, rash, myalgia, and in rare cases spontaneous bleeding and aseptic meningitis. Landscape change has been proposed as a driver of Oropouche fever emergence. OBJECTIVE: To investigate the landscape epidemiology of the Oropouche fever outbreak that began in April 2016 in Cusco, Peru...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28325591/global-scanning-of-antihistamines-in-the-environment-analysis-of-occurrence-and-hazards-in-aquatic-systems
#11
Lauren A Kristofco, Bryan W Brooks
Concentration of the global population is increasingly occurring in megacities and other developing regions, where access to medicines is increasing more rapidly than waste management systems are implemented. Because freshwater and coastal systems are influenced by wastewater effluent discharges of differential quality, exposures in aquatic systems must be considered. Here, we performed a global scanning assessment of antihistamines (AHs), a common class of medicines, in surface waters and effluents. Antihistamines were identified, literature occurrence and ecotoxicology data on AHs collated, therapeutic hazard values (THVs) calculated, and environmental exposure distributions (EEDs) of AHs compared to ecotoxicity thresholds and drug specific THVs to estimate hazards in surface waters and effluents...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28325368/chagas-disease-diagnostic-applications-present-knowledge-and-future-steps
#12
V Balouz, F Agüero, C A Buscaglia
Chagas disease, caused by the protozoan Trypanosoma cruzi, is a lifelong and debilitating illness of major significance throughout Latin America and an emergent threat to global public health. Being a neglected disease, the vast majority of Chagasic patients have limited access to proper diagnosis and treatment, and there is only a marginal investment into R&D for drug and vaccine development. In this context, identification of novel biomarkers able to transcend the current limits of diagnostic methods surfaces as a main priority in Chagas disease applied research...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28324244/animal-models-and-antifungal-agents-in-paracoccidioidomycosis-an-overview
#13
REVIEW
Luciano Z Goldani, Fernanda Wirth
Paracoccidioides brasiliensis is the etiologic agent of paracoccidioidomycosis, the most prevalent systemic mycosis in Latin America. The morbidity and mortality associated with paracoccidioidomycosis necessitate our understanding of fungal pathogenesis and discovering of new agents to treat this infection. Animal models have contributed much to the knowledge of fungal infections and their corresponding therapeutic treatments. This is true for animal models of the primary fungal pathogens such as P. brasiliensis...
March 21, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28324177/a-detailed-analysis-of-codon-usage-patterns-and-influencing-factors-in-zika-virus
#14
Niraj K Singh, Anuj Tyagi
Recent outbreaks of Zika virus (ZIKV) in Africa, Latin America, Europe, and Southeast Asia have resulted in serious health concerns. To understand more about evolution and transmission of ZIKV, detailed codon usage analysis was performed for all available strains. A high effective number of codons (ENC) value indicated the presence of low codon usage bias in ZIKV. The effect of mutational pressure on codon usage bias was confirmed by significant correlations between nucleotide compositions at third codon positions and ENCs...
March 21, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28322201/association-of-cardiac-galectin-3-expression-myocarditis-and-fibrosis-in-chronic-chagas-disease-cardiomyopathy
#15
Bruno Solano de Freitas Souza, Daniela Nascimento Silva, Rejane Hughes Carvalho, Gabriela Louise de Almeida Sampaio, Bruno Diaz Paredes, Luciana Aragão França, Carine Machado Azevedo, Juliana Fraga Vasconcelos, Cassio Santana Meira, Paulo Chenaud Neto, Simone Garcia Macambira, Kátia Nunes da Silva, Kyan James Allahdadi, Fabio Tavora, João David de Souza Neto, Ricardo Ribeiro Dos Santos, Milena Botelho Pereira Soares
Chronic Chagas disease cardiomyopathy, caused by Trypanosoma cruzi infection, is a major cause of heart failure in Latin America. Galectin-3 (Gal-3) has been linked to cardiac remodeling and poor prognosis in heart failure of different etiologies. Herein, we investigated the involvement of Gal-3 in the disease pathogenesis and its role as a target for disease intervention. Gal-3 expression in mouse hearts was evaluated during T. cruzi infection by confocal microscopy and flow cytometry analysis, showing a high expression in macrophages, T cells, and fibroblasts...
March 16, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28318702/antibiotic-associated-diarrhea-clinical-characteristics-and-the-presence-of-clostridium-difficile
#16
A Rodríguez-Varón, O M Muñoz, J Pulido-Arenas, S B Amado, M Tobón-Trujillo
INTRODUCTION AND AIMS: Evidence in Colombia and Latin America has been insufficient for establishing the clinical characteristics of patients with antibiotic-associated diarrhea (AAD). The present study attempts to describe the clinical characteristics of patients with AAD and to determine the presence of Clostridium difficile, utilizing the polymerase chain reaction (PCR) technique. MATERIALS AND METHODS: Forty-three patients with AAD, managed at the Hospital Universitario San Ignacio in Bogota, Colombia, were evaluated...
March 15, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28316609/shoot-and-root-traits-contribute-to-drought-resistance-in-recombinant-inbred-lines-of-md-23-24-%C3%A3-sea-5-of-common-bean
#17
Jose Polania, Idupulapati M Rao, Cesar Cajiao, Miguel Grajales, Mariela Rivera, Federico Velasquez, Bodo Raatz, Stephen E Beebe
Drought is the major abiotic stress factor limiting yield of common bean (Phaseolus vulgaris L.) in smallholder systems in Latin America and eastern and southern Africa; where it is a main source of protein in the daily diet. Identification of shoot and root traits associated with drought resistance contributes to improving the process of designing bean genotypes adapted to drought. Field and greenhouse studies were conducted at the International Center for Tropical Agriculture (CIAT), Palmira, Colombia to determine the relationship between grain yield and different shoot and root traits using a recombinant inbred lines (RILs) population (MD23-24 × SEA 5) of common bean...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28316596/the-efficacy-of-humanized-antibody-against-the-sporothrix-antigen-gp70-in-promoting-phagocytosis-and-reducing-disease-burden
#18
José R F de Almeida, Karla L Santiago, Gilberto H Kaihami, Andrea Q Maranhão, Marcelo de Macedo Brígido, Sandro R de Almeida
Sporotrichosis is a subcutaneous mycosis distributed worldwide and is frequently reported in countries with tropical climates, as Latin America countries. We previously demonstrated that mice with sporotrichosis produce specific antibodies against a 70-kDa fungal protein, indicating that specific antibodies against this molecule may help to control the sporotrichosis. IgG1 monoclonal antibody was generated, and called mAbP6E7, in mice against a 70-kDa glycoprotein (gp70) of S. schenckii. The mAbP6E7 showed prophylactic and therapeutic activity against sporotrichosis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28302040/trypanothione-reductase-a-target-for-the-development-of-anti-trypanosoma-cruzi-drugs
#19
Karina Vázquez, Margot Paulino, Cristian O Salas, Juan J Zarate-Ramos, Brenda Vera, Gildardo Rivera
Chagas disease or American trypanosomiasis is a major parasitic disease in Latin America with treatment available via two drugs: nifurtimox and benznidazole. These two treatments are ineffective in the chronic phase of the disease. Therefore, there is a need for the development of new, efficient and safe drugs for the treatment of these diseases. With this goal, one of the promising targets proposed is the trypanothione reductase (TR), a key enzyme important in the metabolism of Trypanosoma cruzi. In this review, we analyze the importance of TR as a drug target, as well as their compounds inhibitors reported in the last decade as potential therapeutic agents for Chagas disease...
March 15, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28300967/burden-of-cancer-mortality-and-differences-attributable-to-demographic-aging-and-risk-factors-in-argentina-1986-2011
#20
Sonia Alejandra Pou, Natalia Tumas, Julia Becaria Coquet, Camila Niclis, María Dolores Román, María Del Pilar Díaz
The world faces an aging population that implies a large number of people affected with chronic diseases. Argentina has reached an advanced stage of demographic transition and presents a comparatively high rate of cancer mortality within Latin America. The objectives of this study were to examine cancer mortality trends in the province of Córdoba, Argentina, between 1986 and 2011, and to analyze the differences attributable to risk variations and demographic changes. Longitudinal series of age-standardized mortality rates for overall, breast and prostate cancers were modeled by Joinpoint regression to estimate the annual percent change...
March 9, 2017: Cadernos de Saúde Pública
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