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El campo de la política es y ha sido en un sentido decisivo y radical, un producto de la creación humana. La forma que tenemos de pensar las actividades que identificamos como políticas o los conceptos que utilizamos ...

In order to clarify the physiological role of ghrelin in gestation, we evaluated the effects of administration of exogenous ghrelin (2 or 4 nmol/animal per day) or its antagonist (6 nmol/animal per day of (D-Lys3)GHRP6) ...

En el marco de la experiencia de la Revolución Boliviana de 1952 a partir de que el Movimiento Nacional Revolucionario tomara el poder (1952-1964), se analizará la novela neoindigenista Sariri: una réplica a rodó (19...

We performed a systematic approach using statistical tools to understand the effect of the water chemistry on removal of microorganisms using ultrafiltration. We applied a four-factor at two-level factorial design with c...

La mayoría de las malezas poseen un tipo de dormición primaria denominado fisiológico, en el cual un mecanismo intrínseco del embrión impide la emergencia de la radícula. Este efecto se debe a la restricción físi...

Chronic lymphocytic leukemia (CLL) is characterized by the progressive accumulation of clonal B lymphocytes. Proliferation occurs in lymphoid tissues upon interaction of leukemic cells with a supportive microenvironment....

The Rcs phosphorelay is a adaptive response system composed of three proteins: the sensor RcsC, the cognate response regulator RcsB; and the intermediary in the phosphoryl transfer RcsD. Has been described that the flow ...

The relationship between the immune system and angiogenesis has been described in several contexts, both in physiological and pathological conditions, as pregnancy and cancer. In fact, different types of immune cells, su...

During postnatal development, the central nervous system (CNS) is highly sensitive to effects of drugs, stressors and environment. In this study, we evaluated the effect of acute cold stress on g-aminobutyric acid (GABA)...

Imidazolinone resistance found in a wild sunflower (Helianthus annuus L.) population was successfully transferred to a cultivated inbred line developing ‘Imisun’ sunflowers. Genetic regulation of this trait has been ...

El populismo, como fenómeno político de larga tradición, siempre ha estado “bajo sospecha” de fomentar abusos y un clima desfavorable a la protección de los derechos individuales. De hecho, los llamados nuevos po...

A exposição da miséria nos espaços públicos, fruto do aumento das desigualdades sociais no mundo capitalista e globalizado, é um fenômeno urbano que se amplia nas grandes metrópoles brasileiras. As atividades des...

Abstract Expressionism can be seen as a valid expression of the crisis of ‘Modern Man’ and, as a result, it assumed a central role in the cultural debate of its time. Within this crisis can be situated a new form o...

Querido Guillermo, Você sabe que essas conferências magistrais me produzem pânico. Então, para quebrar o protocolo, quer dizer, os usos e costumes da academia, decidi que seria melhor lhe escrever para recordarmos a ...

"Si bien la sostenibilidad posee dimensiones éticas y epistémicas, este artículo fundamenta su carácter de categoría pedagógica imprescindible para reorientar la ingeniería, con particular urgencia en el contexto ...

Sensitization to psychostimulants is strongly influenced by the environmental context in which the drug is administered and little is known about the molecular mechanisms that regulate this process. Chronic treatment wit...

La incorporación de una segunda lengua es un fenómeno complejo en el que intervienen variables que podrían designarse -aunque en principio poco describen- de carácter social, psicológico, psicosocial y psicolinguís...

Early ethanol exposure alters neonatal breathing plasticity. Respiratory EtOH's effects are attributed to central respiratory network disruptions, particularly in the medullary serotonin (5HT) system. In this study we ev...

Early ethanol exposure affects respiratory neuroplasticity; a risk factor associated with the Sudden Infant Death Syndrome. High and chronic ethanol doses exert long-lasting effects upon respiratory rates, apneic episode...

Brain expression of the enzyme P450-aromatase has been studied extensively. Subsequent to the aromatisation hypothesis having established brain aromatase as a key factor to convert gonadal testosterone to oestradiol, sev...

The aim of the present study was to evaluate whether the activation of Cdk5, a protein that has been suggested to participate in higher cognitive functions, is required for the onset of a sensitized anxiety-related behav...

En este trabajo se analiza la conformación de un paisaje de dominación mediante la georreferenciación de mapas manuscritos y el traslado de la espacialidad colonial hispanocriolla desde el papel al terreno. La zona es...

The decomposition of Erythrina crista-galli L. (Leguminosa) leaf litter and its colonization by invertebrates were studied in a secondary channel of the Middle Paran´a River. This species is native to and very abundant ...

In this study, we describe and illustrate Piriqueta crenata, a new species from the Chapada Diamantina region, Bahia,Brazil. It is similar to and was initially identified as P. flammea from which it can be distinguished ...