22 hasil untuk "Isabela RAMOS"
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Política social entre a hegemonia e a dependência
Resumo: Este artigo visa apresentar as principais determinações da política social na conformação da hegemonia burguesa, com ênfase nas realidades latino-americana e brasileira marcadas pela dependência. Para isso, resgata referências que se debruçam sobre a configuração particular do mercado de…
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From Follicle Cell Differentiation and Structure to Chorion Biogenesis in Insects: Cellular Mechanisms, Gene Regulation, Biochemical Composition and Structural Diversity
Choriogenesis, the final stage of oogenesis in insects, is a highly coordinated developmental process responsible for the formation of the chorion (eggshell), a specialized multilayered extracellular matrix that protects the embryo and mediates essential physiological functions. Despite its…
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Dependência, ciclo do capital e limites do fundo público no Brasil
Resumo: Este artigo visa identificar a participação e os limites do fundo público no ciclo do capital da economia dependente brasileira. Para isso, aborda as implicações do intercâmbio desigual, da transferência de valor e da superexploração da força de trabalho para a composição e direcionamento…
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Eggshell ultrastructure and delivery of pharmacological inhibitors to the early embryo of R . prolixus by ethanol permeabilization of the extraembryonic layers
Most vectors of arthropod-borne diseases produce large eggs with hard and opaque eggshells. In several species, it is still not possible to induce molecular perturbations to the embryo by delivery of molecules using microinjections or eggshell permeabilization without losing embryo viability, which…
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Dual silencing of lipophagy and lipolysis in Rhodnius prolixus induces lipid droplet remodeling without TAG accumulation in the fat body
Autophagy and lipolysis are key metabolic pathways involved in lipid mobilization and energy homeostasis. In Rhodnius prolixus, a major vector of Chagas disease, previous studies have shown that silencing autophagy-related genes (RpAtg8, RpAtg6) or the brummer lipase gene RpBmm alters lipid…
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VPS38/UVRAG and ATG14, the variant regulatory subunits of the ATG6/Beclin1-PI3K complexes, are crucial for the biogenesis of the yolk organelles and are transcriptionally regulated in the oocytes of the vector Rhodnius prolixus
In insects the reserve proteins are stored in the oocytes into endocytic-originated vesicles named yolk organelles. VPS38/UVRAG and ATG14 are the variant regulatory subunits of two class-III ATG6/Beclin1 PI3K complexes that regulate the recruitment of the endocytic (complex II) and autophagic…
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Silencing of RpATG6 impaired the yolk accumulation and the biogenesis of the yolk organelles in the insect vector R . prolixus
In oviparous animals, the egg yolk is synthesized by the mother in a major metabolic challenge, where the different yolk components are secreted to the hemolymph and delivered to the oocytes mostly by endocytosis. The yolk macromolecules are then stored in a wide range of endocytic-originated…
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Acidentes de trabalho com óbito: o jornal impresso como fonte de informação
Objetivo:descrever os acidentes de trabalho com óbito noticiados nos três principais jornais impressos do Estado da Bahia.Métodos:Estudo descritivo utilizando matérias jornalísticas dos principais jornais do Estado - A Tarde, Correio da Bahia e Tribuna da Bahia - referentes aos óbitos relacionados…
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Gene identification and RNAi-silencing of p62/SQSTM1 in the vector Rhodnius prolixus reveals a high degree of sequence conservation but no apparent deficiency-related phenotypes in vitellogenic females
Autophagy and the ubiquitin-proteasome system (UPS) are important cellular mechanisms that coordinate protein degradation essential for proteostasis. P62/SQSTM1 is a receptor cargo protein able to deliver ubiquitinated targets to the proteasome proteolytic complex and/or to the autophagosome. In…
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Silencing of the 20S proteasomal subunit-α6 triggers full oogenesis arrest and increased mRNA levels of the selective autophagy adaptor protein p62/SQSTM1 in the ovary of the vector Rhodnius prolixus
The high reproductive rates of insects contribute significantly to their ability to act as vectors of a variety of vector-borne diseases. Therefore, it is strategically critical to find molecular targets with biotechnological potential through the functional study of genes essential for insect…
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Acidocalcisomes as Calcium- and Polyphosphate-Storage Compartments during Embryogenesis of the Insect Rhodnius prolixus Stahl
Background: The yolk of insect eggs is a cellular domain specialized in the storage of reserve components for embryo development. The reserve macromolecules are stored in different organelles and their interactions with the embryo cells are mostly unknown. Acidocalcisomes are lysosome-related…
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Scientific overview of mandibular advancement devices: a bibliometric and altmetric analysis
ABSTRACT Objective: To evaluate publications on mandibular advancement devices through bibliometric and altmetric analysis. Methods: A search was conducted in the Web of Science Core Collection (WoS-CC) initially in August 2024, with an update in December 2025, including all articles on mandibular…
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Sports and Functional Training Improve a Subset of Obesity-Related Health Parameters in Adolescents: A Randomized Controlled Trial
To investigate the effects of two different modes of physical activity on body composition, physical fitness, cardiometabolic risk, and psychological responses in female adolescents participating in a multi-disciplinary program. The 12-week randomized intervention included 25-adolescents with…
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Differential Responses of Liver and Hypothalamus to the Nutritional Condition During Lactation and Adult Life
It was previously reported that liver glucose metabolism in rats under caloric restriction differs from that of freely-fed rats. This study hypothesized that these changes (1) were related to the expression of hypothalamic neuropeptides involved in metabolic control, and (2) were not a residual…
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Silencing of RpATG8 impairs the biogenesis of maternal autophagosomes in vitellogenic oocytes, but does not interrupt follicular atresia in the insect vector Rhodnius prolixus
Follicular atresia is the mechanism by which the oocyte contents are degraded during oogenesis in response to stress conditions, allowing the energetic resources stored in the developing oocytes to be reallocated to optimize female fitness. Autophagy is a conserved intracellular degradation pathway…
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Modulation of liver glucose output by free or restricted feeding in the adult rat is independent of litter size
BACKGROUND: Caloric restriction since birth changes glucose metabolism by the liver in overnight-fasted rats to a fed-like pattern, in which glucose output is large but gluconeogenesis is negligible. It was investigated whether these changes could be a residual effect of the nutritional condition…
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What are the global trends in research on resin infiltration in dentistry? An altmetric and bibliometric analysis
Abstract The aim of this study was to analyze the trends and main characteristics of articles on resin infiltration (RI) in dentistry. The search was carried out in August 2023 on Web of Science. Two researchers selected the articles and excluded conference articles. The following data were…