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David Rizo-Roca, Juan Gabriel Ríos-Kristjánsson, Cristian Núñez-Espinosa, Estela Santos-Alves, Ines O Goncalves, Jose Magalhaes, Antonio A Ascensao, Teresa Pagès, Ginés Viscor, Joan Ramon Torrella
Unaccustomed eccentric exercise leads to muscle morphological and functional alterations, including microvasculature damage, the repair of which is modulated by hypoxia. Here we present the effects of intermittent hypobaric hypoxia and exercise on recovery from eccentric-induced muscle damage (EEIMD). Soleus muscles from trained rats were excised pre- (CTRL) and 1, 3, 7 and 14 days after a double session of EEIMD protocol. A recovery treatment consisting of one of the following protocols was applied one day after the EEIMD: passive normobaric recovery (PNR), a 4-hour daily exposure to passive hypobaric hypoxia at 4000m (PHR) or hypobaric hypoxia exposure followed by aerobic exercise (AHR)...
October 20, 2016: Journal of Applied Physiology
Ignacio Baselga, Olga Zafra, Estela Pérez Lago, Raquel Francisco-Álvarez, Gemma Rodriguez-Tarduchy, Cruz Santos
Ribera de Duero Spanish wines are appreciated worldwide for their organoleptic characteristics; however, the wine market is very competitive, and the demand for high quality natural wines has been increasing in recent years. The microbiology of the process, specifically the yeasts involved in the alcoholic fermentation, constitutes an essential element directly related to the complexity and quality of the wine. Our work has focused on the development of a procedure to identify the indigenous wine yeasts present in complex samples of must and wine, without requiring colony isolation or a microbiological culture...
September 30, 2016: International Journal of Food Microbiology
Cecilia Brambilla, Marta Llorens-Fons, Esther Julián, Estela Noguera-Ortega, Cristina Tomàs-Martínez, Miriam Pérez-Trujillo, Thomas F Byrd, Fernando Alcaide, Marina Luquin
The rough morphotypes of non-tuberculous mycobacteria have been associated with the most severe illnesses in humans. This idea is consistent with the fact that Mycobacterium tuberculosis presents a stable rough morphotype. Unlike smooth morphotypes, the bacilli of rough morphotypes grow close together, leaving no spaces among them and forming large aggregates (clumps). Currently, the initial interaction of macrophages with clumps remains unclear. Thus, we infected J774 macrophages with bacterial suspensions of rough morphotypes of M...
2016: Frontiers in Microbiology
Isabel López, Estela Sangüesa, Yves Vancraenendonck, Estefanía Zuriaga, María Pilar Ribate, Cristina Belén García
Vitamin K antagonists are highly effective antithrombotic drugs. However, appropriate dosing is difficult to establish owing to its narrow therapeutic window as well as widespread inter- and intra-individual variability in dosage. Compared with dosing solely based on clinical information, pharmacogenetics can help improve the therapy with coumarins by decreasing the time to reach a stable dose and reducing the risk of bleeding. Most of the studies about genotyping of patients using vitamin K antagonists have focused on predicting the stable dose...
October 14, 2016: Drug Metabolism and Personalized Therapy
Gilad Twig, Amir Tirosh, Adi Leiba, Hagai Levine, Dana Ben-Ami Shor, Estela Derazne, Ziona Haklai, Nehama Goldberger, Michal Kasher-Meron, Dror Yifrach, Hertzel C Gerstein, Jeremy D Kark
OBJECTIVE: The sequelae of increasing childhood obesity are of major concern. We assessed the association of BMI in late adolescence with diabetes mortality in midlife. RESEARCH DESIGN AND METHODS: The BMI values of 2,294,139 Israeli adolescents (age 17.4 ± 0.3 years), measured between 1967 and 2010, were grouped by US Centers for Disease Control and Prevention age/sex percentiles and by ordinary BMI values. The outcome, obtained by linkage with official national records, was death attributed to diabetes mellitus (DM) as the underlying cause...
October 12, 2016: Diabetes Care
Pilar Hernández-Jiménez, Carmen Díaz-Pedroche, Jaime Laureiro, Olaya Madrid, Estela Martín, Carlos Lumbreras
BACKGROUND AND OBJECTIVE: Hemophagocytic lymphohistiocytosis (HLH) is a serious condition, caused by an improper regulation of the immune response to different stimuli of the immune system. Early diagnosis and treatment are a challenge for the clinician. PATIENTS AND METHOD: We conducted a retrospective study at our institution between 2010 and 2015, of adult patients diagnosed with HLH, in accordance with the criteria of the Histiocyte Society, analyzing their clinical characteristics, diagnostic and etiological studies and the outcome...
October 7, 2016: Medicina Clínica
Carlos Fernando Odir Rodrigues Melo, Diogo Noin de Oliveira, Estela de Oliveira Lima, Tatiane Melina Guerreiro, Cibele Zanardi Esteves, Raissa Marques Beck, Marina Aiello Padilla, Guilherme Paier Milanez, Clarice Weis Arns, José Luiz Proença-Modena, Jayme Augusto Souza-Neto, Rodrigo Ramos Catharino
Recent outbreaks of Zika virus in Oceania and Latin America, accompanied by unexpected clinical complications, made this infection a global public health concern. This virus has tropism to neural tissue, leading to microcephaly in newborns in a significant proportion of infected mothers. The clinical relevance of this infection, the difficulty to perform accurate diagnosis and the small amount of data in literature indicate the necessity of studies on Zika infection in order to characterize new biomarkers of this infection and to establish new targets for viral control in vertebrates and invertebrate vectors...
2016: PloS One
Andréa Poyastro Pinheiro, Maria Angélica Nunes, Natália Bordin Barbieri, Álvaro Vigo, Estela L M Aquino, Sandhi Barreto, Dora Chor, Maria Inês Schmidt
OBJECTIVE: To estimate the association of binge eating behavior (BE) with common mental disorders (CMD). METHOD: Cross sectional investigation of 14,088 adults, aged 35-74years (ELSA-Brasil study). BE was assessed with Structured Clinical Interview for DSM Disorders (SCID - DSM IV) questions, and psychiatric morbidity with CIS-R (CIS R - Clinical Interview Schedule Revised). Poisson regression was used to estimate the association of BE and psychiatric morbidity...
September 2, 2016: Eating Behaviors
Oscar Daniel Salomón, Andrea Verónica Mastrángelo, María Soledad Santini, Domingo Javier Liotta, Zaida Estela Yadón
A retrospective analytical method is presented, based on theoretical eco-epidemiology, applied on a subnational spatial scale. This method was used here to describe scenarios for the transmission of leishmaniasis in the Argentine province of Misiones- bordering Brazil and Paraguay-and formed the basis for recommendations for surveillance and control appropriate to the subnational scale. An exhaustive search of the literature on leishmaniasis in the province was carried out. Three scenarios for the transmission of cutaneous leishmaniasis (CL) and visceral leishmaniasis (VL) were found, corresponding to three periods: from 1920 to 1997, during which the transmission of CL distributed over time and space was confirmed; 1998 to 2005, during which there were focal outbreaks of CL; and 2006 to 2014, during which outbreaks were also reported and the geographical dispersion of VL was documented...
August 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Juan Carlos Domínguez-Hermosillo, José Antonio Mata-Marin, Norma Estela Herrera-González, Marcelino Chávez-García, Gloria Huerta-García, Nohemí Nuñez-Rodríguez, José Gerardo García-Gámez, Anai Jiménez-Romero, Jesús Enrique Gaytán-Martínez
INTRODUCTION: Although both tipranavir (TPV) and darunavir (DRV) represent important options for the management of patients with multi-protease inhibitor (PI)-resistant human immunodeficiency virus (HIV), currently there are no studies comparing the effectiveness and safety of these two drugs in the Mexican population. The aim of this study was to compare the effectiveness of TPV versus DRV as a salvage therapy in HIV-1 treatment-experienced patients. METHODOLOGY: This was a comparative, prospective, cohort study...
September 30, 2016: Journal of Infection in Developing Countries
Cristian Arredondo, Marcela González, María Estela Andrés, Katia Gysling
Dopamine neurons are overstimulated by drugs of abuse and suffer molecular alterations that lead to addiction behavior. Nurr1 is a transcription factor crucial for dopamine neurons survival and dopamine production, activating the transcription of key genes like tyrosine hydroxylase (TH). Interestingly, nuclear factor-kappa B (NF-κB) has emerged as a new Nurr1 partner in response to inflammatory stimulus. In this study we evaluated the effects of single and repeated amphetamine administration in the expression of Nurr1 and the NF-κB p65 subunit in the rat ventral tegmental area (VTA)...
September 26, 2016: Brain Research
Luciana Strieder, Cláudia Malheiros Coutinho-Camillo, Victor Costa, Danyel Elias da Cruz Perez, Luiz Paulo Kowalski, Estela Kaminagakura
OBJECTIVES: The aim of this study was to evaluate three histologic grading methods for squamous cell carcinoma (SCC) of the lip, the conventional 3-grade model proposed by the World Health Organization (WHO), tumor budding and depth of invasion (BD) model, and histologic risk assessment (HRA) model, and to correlate them with prognosis. MATERIALS AND METHODS: Fifty-three patients with lip SCC were evaluated. RESULTS: The mean age was 65 years, 69...
September 26, 2016: Oral Diseases
Estela Chen Gonzalez, Jean Suh McGee
In cutaneous research, we aim to study the molecular signature of a diseased tissue. However, such a study is met with obstacles due to the inherent heterogeneous nature of tissues because multiple cell types reside within a tissue. Furthermore, there is cellular communication between the tissue and the neighboring extracellular matrix. Laser capture microdissection is a powerful technique that allows researchers to isolate cells of interest from any tissue using a laser source under microscopic visualization, thereby circumventing the issue of tissue heterogeneity...
October 2016: Journal of Investigative Dermatology
Esther Del Olmo, Gloria M Molina-Salinas, Estela I Bini, Silvia González-Hernández, Luis A Bustos, Ricardo Escarcena, Brenda Marquina-Castillo, Dulce Mata-Espinosa, Jorge Barrios-Payán, Diego González-Ramírez, Salvador Said Fernández, Arturo San Feliciano, Rogelio Hernández-Pando
BACKGROUND AND AIMS: Tuberculosis (TB) is a major worldwide health problem in part due to the lack of new drugs and the emergence of multidrug-resistant strains (MDR). The aim of this study was to select anti-tuberculosis drug candidates from a collection of 69 synthetic sphingosine-ethambutol analogues through in vitro and in vivo evaluations. METHODS: The 69 compounds were evaluated in vitro against two Mycobacterium tuberculosis strains, a drug susceptible (H37Rv) and a MDR clinical isolate (CIBIN-99)...
May 2016: Archives of Medical Research
Montserrat Mancera-Arteu, Estela Giménez, José Barbosa, Victòria Sanz-Nebot
In this study, a ZIC-HILIC-MS methodology for the analysis of N-glycan isomers was optimized to obtain greater detection sensitivity and thus identify more glycan structures in hAGP. In a second step, this method was combined with glycan reductive isotope labelling (GRIL) through [(12)C6]/[(13)C6]-aniline and exoglycosidase digestion to characterize the different glycan isomers. The GRIL method allows the peak areas resulting from two different labelled samples to be compared, since neither retention time shifts nor variations in the ionization of glycans between these samples are obtained...
October 12, 2016: Analytica Chimica Acta
Alejandra Martínez-Melo, Francisco Alonso Solís-Marín, Blanca Estela Buitrón-Sánchez, Alfredo Laguarda-Figueras
BACKGROUND: Research on echinoderms in Mexico began in the late nineteenth century. We present a dataset that includes the taxonomic and geographic information of irregular echinoids from Mexico, housed in four collections: 1) Colección Nacional de Equinodermos "Ma. Elena Caso Muñoz" from the Instituto de Ciencias del Mar y Limnología (ICML), Universidad Nacional Autónoma de México (UNAM); 2) Invertebrate Zoology Collection, Smithsonian Museum of Natural History, Washington, D.C...
2016: Biodiversity Data Journal
Clotilde Fuentes-Orozco, Salvador González-Mercado, Joel Mario Sandoval-Sandoval, Carlos Valdespino-Mejía, Eduardo González-González, Juan Narciso Ramírez-Robles, Benjamín Gómez-Navarro, Blanca Estela Dávalos-Delgadillo, Leticia Marquez-Leaño, Anais Ramírez-Arce, Elizabeth Andalón-Dueñas, Arturo Espinosa-Partida, Michel Dassaejv Macías-Amezcua, Alejandro González-Ojeda
BACKGROUND The incidence of surgical complications after kidney transplantation ranges from 10-25%. The purpose of this study was to evaluate if the application of fibrin glue as a preventive agent reduces surgical morbidity after a living-related-donor kidney transplantation. MATERIAL AND METHODS A controlled clinical trial involving 78 recipients randomly assigned to receive fibrin glue and 79 in the control group without the application of fibrin glue. Patients were followed for six months after surgery...
September 20, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
Erika V Almeraya, Estela Sánchez-de-Jiménez
The discovery of plant DNA recombination techniques triggered the development of a wide range of genetically modified crops. The transgenics were the first generation of modified plants; however, these crops were quickly questioned due to the artificial combination of DNA between different species. As a result, the second generation of modified plants known as cisgenic and/or intragenic crops arose as an alternative to genetic plant engineering. Cisgenic and/or intragenic crops development establishes the combination of DNA from the plant itself or related species avoiding the introduction of foreign genetic material, such as selection markers and/or reporter genes...
November 20, 2016: Journal of Biotechnology
Nadia Carla Bach, Guillermo Sebastián Natale, Gustavo Manuel Somoza, Alicia Estela Ronco
We evaluated the acute lethal and sublethal effects of technical-grade glyphosate (GLY) and the GLY-based commercial formulation Roundup ULTRA MAX® (RU) on two Gosner stages (Gss) 25 and 36 of the South-American Creole frog, Leptodactylus latrans. Bioassays were performed following standardized methods within a wide range of concentrations (0.0007-9.62 mg of acid equivalents per liter-a.e./L-of RU and 3-300 mg/L of GLY). The endpoints evaluated were mortality, swimming activity, growth, development, and the presence of morphologic abnormalities, especially in the mouthparts...
September 15, 2016: Environmental Science and Pollution Research International
Cristina Lemini, María Estela Avila, Martha Medina, Carlos Sánchez, Alejandra Figueroa, Juana García-Mondragón, Arsenio Vargas-Vázquez, Alejandro Jiménez-Orozco
The 17β-aminoestrogens (AEs) prolame, butolame and pentolame are weakly oestrogenic in rodents and display anticoagulant properties in contrast to oestradiol (E2 ) which presents procoagulant effects, potentially thrombogenic. They possess anti-anxiety and anti-depressive properties, being good candidates for menopausal hormone therapy. Their capability to induce proliferation of MCF-7 human breast cancer cells, which proliferative rate depends on oestrogens, has not been explored; thus, the aim of this work was to characterize it...
September 16, 2016: Basic & Clinical Pharmacology & Toxicology
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