Navegação Ciências Biológicas por Título
Resultados 843-862 de 3042
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Dynamic amyloid and metabolic signatures of delayed recall performance within the clinical spectrum of Alzheimer’s disease
(2023) [Artigo de periódico]Associations between pathophysiological events and cognitive measures provide insights regarding brain networks affected during the clinical progression of Alzheimer’s disease (AD). In this study, we assessed patients’ ... -
Dynamic and resuspension by waves and sedimentation pattern definition in low energy environments Guaíba Lakes (Brazil).
(2013) [Artigo de periódico]Little research has been undertaken into sediment dynamics in lakes, and most of it only analyses particular aspects such as the texture of the sediments. In this study, the characteristics of the wave field in Guaíba Lake ... -
Dynamics and modulation of synaptic transmission in the mammalian CNS
(2019) [Texto de apresentação/encerramento] -
Dynamics of gonadal development of Aegla platensis Schmitt (Decapoda, Anomura, Aeglidae)
(2006) [Artigo de periódico]Uma maneira de estimar o desenvolvimento gonadal ao longo do ciclo reprodutivo é observar o crescimento das gônadas em relação aos órgãos utilizados para o estoque de energia. O objetivo desse estudo foi acompanhar os ... -
Dysfunctional purinergic signaling correlates with disease severity in COVID-19 patients
(2022) [Artigo de periódico]Ectonucleotidases modulate inflammatory responses by balancing extracellular ATP and adenosine (ADO) and might be involved in COVID-19 immunopathogenesis. Here, we explored the contribution of extracellular nucleotide ... -
Dysphagia : an overview
(2023) [Texto de apresentação/encerramento] -
Dyspharynx nasuta (Nematoda: Acuariidae) em Guira guira e Crotophaga ani (Cuculiformes: Cuculidae) no Estado do Rio Grande do Sul, Brasil
(2009) [Artigo de periódico]Os nematóides do gênero Dispharynx (Railliet, Henry & Sisoff, 1912) parasitam aves de diversas ordens e têm sido estudados, principalmente, em aves de importância econômica devido às lesões que provocam no proventrículo ... -
Early effects of LPS-induced neuroinflammation on the rat hippocampal glycolytic pathway
(2022) [Artigo de periódico]Neuroinflammation is a common feature during the development of neurological disorders and neurodegenerative diseases, where glial cells, such as microglia and astrocytes, play key roles in the activation and maintenance ... -
Early life stress interacts with the diet deficiency of Omega-3 fatty acids during the life course increasing the metabolic vulnerability in adult rats
(2013) [Artigo de periódico]Early stress can cause metabolic disorders in adulthood. Omega-3 polyunsaturated fatty acids (n-3 PUFAs) deficiency has also been linked to the development of metabolic disorders. The aim of this study was to assess whether ... -
Echinococcus granulosus antigen b structure : subunit composition and oligomeric states
(2012) [Artigo de periódico] -
Echinococcus granulosus sensu lato and Taenia hydatigena in pig in southern Brazil
(2015) [Artigo de periódico]This study aimed to identify the parasitical etiologic agents of visceral cysts in pigs from the central/northern region of Rio Grande do Sul State, Brazil. Fifty-eight cysts were found in livers during veterinary inspection ... -
Echinoderms from Santa Catarina, southern Brazil: an update on biodiversity and distribution
(2019) [Artigo de periódico]We provide an update, based on literature records, on biodiversity and distribution of echinoderms along the state of Santa Catarina, Brazil. Sixty-one echinoderms taxa are reported, in 36 families. We present information ... -
Echinuria uncinata (Rudolphi) (Nematoda, Acuariidae) in Netta peposaca (Vieillot) (Aves, Anatidae) in South America
(2006) [Artigo de periódico]Este é o primeiro registro de uma espécie do gênero Echinuria Soloviev, 1912, em hospedeiros anatídeos na América do Sul, causando granulomas. É, também, a primeira descrição detalhada e o primeiro registro de Echinuria ... -
Ecologia populacional de Aegla franciscana (Crustacea, Decapoda, Anomura) em São Francisco de Paula, RS, Brasil
(2006) [Artigo de periódico]A pesquisa teve como objetivos caracterizar aspectos populacionais de Aegla franciscana Buckup & Rossi, 1977 que ocorre em corpos d’água do planalto sul-rio-grandense, onde foram analisados a distribuição de freqüência em ... -
Ecological drivers of plant genetic diversity at the southern edge of geographical distributions: forestal vines in a temperate region
(2018) [Artigo de periódico]The Tropical Niche Conservatism hypothesis is one of the most relevant theories to explain why tropical diversity is high, although the mechanisms underlying this hypothesis require further clarification. A possible research ... -
Ecological-evolutionary relationships in Passiflora alata from Rio Grande do Sul, Brazil
(2006) [Artigo de periódico]A distribuição geográfica, as características ecológicas, as épocas de florescimento e frutificação, e os agentes polinizadores de Passiflora alata são considerados e relacionados a estudos genético-moleculares desenvolvidos ... -
Ecological niche modeling of three species of Stenella Dolphins in the Caribbean Basin, with application to the seaflower biosphere reserve
(2019) [Artigo de periódico]Dolphins of the genus Stenella occur in pelagic waters of both tropical and warmtemperate oceans. Three species, the Atlantic spotted dolphin (Stenella frontalis), the pantropical spotted dolphin (S. attenuata), and the ... -
Ecology and ethnoecology of dusky grouper [garoupa, Epinephelus marginatus (Lowe, 1834)] along the coast of Brazil
(2008) [Artigo de periódico]Dusky grouper (garoupa, Epinephelus marginatus) is an important catch for several artisanal smallscale fisheries along the Brazilian coast. It is a sedentary, monandric, and late maturing protogynous species, which makes ... -
Economic analysis of intravenous immunoglobulin and plasma exchange therapies for the treatment of Guillain-Barré syndrome in a university-based hospital in the south of Brazil
(2011) [Artigo de periódico]Background: direct costs for treating Guillain-Barré Syndrome (GBS) represent a significant financial burden to public hospitals. Few studies compared the cost of plasma exchange (PE) treatment with human intravenous ... -
Ecto-5’-nucleotidase overexpression reduces tumor growth in a xenograph medulloblastoma model
(2015) [Artigo de periódico]Background Ecto-5’-nucleotidase/CD73 (ecto-5’-NT) participates in extracellular ATP catabolism by converting adenosine monophosphate (AMP) into adenosine. This enzyme affects the progression and invasiveness of different ...