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Mostrando 13-24 de 2278 artigos, teses e dissertações.
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13. Characterization of Decellularized Human Pericardium for Tissue Engineering and Regenerative Medicine Applications
Resumo Fundameto: O enxerto de pericárdio pode ser usado em muitos procedimentos de correção cirúrgica. Uma das estratégias da engenharia tecidual é o processo de descelularização. No entanto, embora esse processo diminua a resposta imunogênica, a descelularização pode modificar tanto o comportamento como a composição da matriz extracelular nat
Arq. Bras. Cardiol.. Publicado em: 27/06/2019
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14. Inhibitory Effect on the Hepatitis B Cells through the Regulation of miR-122-MAP3K2 signal pathway
Abstract: The aim of this study was to investigate the inhibitory effect of regulation of miR-122-MAP3K2 signal pathway on the hepatitis B cells. We detected the content of MAP3K2 from patients with HBV blood serum samples and analyzed the correlation between content of MAP3K2 and copies of HBV-DNA. Wound healing and Transwell assays were used to detect the
An. Acad. Bras. Ciênc.. Publicado em: 23/05/2019
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15. GENETIC DIVERSITY AMONG AND WITHIN BRAVE BEAN (Capparis flexuosa L.) POPULATIONS ASSESSED USING RAPD MARKERS
RESUMO O feijão-bravo (Capparis flexuosa) é uma espécie nativa da Caatinga e é utilizada como forrageira, principalmente na estação seca onde parte das espécies vegetais perdem suas folhas. Objetivou-se estudar a diversidade genética dentro e entre populações de feijão-bravo usando marcadores RAPD. O estudo foi realizado no Laboratório de Biotecn
Rev. Caatinga. Publicado em: 09/05/2019
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16. Comparative cytogenetics in three Melipona species (Hymenoptera: Apidae) with two divergent heterochromatic patterns
Abstract The genus Melipona is subdivided into four subgenera based on morphological characteristics, and two groups based on cytogenetic patterns. The cytogenetic information on this genus is still scarce, therefore, the goal of this study was to characterize Melipona paraensis, Melipona puncticollis, and Melipona seminigra pernigra using the following tech
Genet. Mol. Biol.. Publicado em: 29/11/2018
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17. Morphological, Chemical and Molecular Characterization of ‘Old olive’ (Olea europaea L.) from Montenegro
ABSTRACT Thousands of years of tradition of olive cultivation in Montenegro is witnessed with the ‘Old olive’ estimated to be more than 2000 years old. ‘Old olive’ draws attention to its genetic potential and the relation to the closest grown olive cultivars. Therefore, the aim of this paper was to give the basic description of ‘Old olive’ (throu
Braz. arch. biol. technol.. Publicado em: 14/11/2018
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18. Variations in culturable bacterial communities and biochemical properties in the foreland of the retreating Tianshan No. 1 glacier
Abstract As a glacier retreats, barren areas are exposed, and these barren areas are ideal sites to study microbial succession. In this study, we characterized the soil culturable bacterial communities and biochemical parameters of early successional soils from a receding glacier in the Tianshan Mountains. The total number of culturable bacteria ranged from
Braz. J. Microbiol.. Publicado em: 2018-09
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19. Circulating cell-free DNA as a biomarker in the diagnosis and prognosis of colorectal cancer
Abstract Colorectal cancer (CRC) is a disease without evident clinical symptoms in early stages, leading to late diagnosis and disease management. Current diagnostic and prognostic tools require invasive procedures and circulating molecular biomarkers fail to have optimal sensitivity and specificity. Circulating biomarkers with high clinical performance may
Braz. J. Pharm. Sci.. Publicado em: 07/06/2018
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20. Cytological and genome size data analyzed in a phylogenetic frame: Evolutionary implications concerning Sisyrinchium taxa (Iridaceae: Iridoideae)
Abstract Sisyrinchium is the largest genus of Iridaceae in the Americas and has the greatest amount of cytological data available. This study aimed at investigating how genomes evolved in this genus. Chromosome number, genome size and altitude from species of sect. Viperella were analyzed in a phylogenetic context. Meiotic and pollen analyses were performed
Genet. Mol. Biol.. Publicado em: 01/03/2018
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21. Natural decomposition of hornbeam wood decayed by the white rot fungus Trametes versicolor
ABSTRACT The impacts of white-rot fungi on altering wood chemistry have been studied mostly in vitro. However, in vivo approaches may enable better assessment of the nature of interactions between saprotrophic fungi and host tree in nature. Hence, decayed and sound wood samples were collected from a naturally infected tree (Carpinus betulus L.). Fruiting bod
An. Acad. Bras. Ciênc.. Publicado em: 07/12/2017
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22. Unconventional vegetables collected in Brazil: chromosome number and description of nuclear DNA content
Abstract The aim of this study was to perform chromosome counts and nuclear DNA quantification of the unconventional vegetables species: bertalha (Basella alba L.), vinagreira verde (Hibiscus sabdariffa L.), azedinha (Rumex acetosa L.), peixinho (Stachys byzantina K. Koch), and capuchinha (Tropaeolum majus L.). Metaphase chromosomes were obtained from the pr
Crop Breed. Appl. Biotechnol.. Publicado em: 2017-12
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23. Grouping of anthurium genotypes based on genetic and morpho-anatomical features
Abstract The study aimed at investigating the anatomic and DNA content characteristics of 12 Anthurium genotypes. A large genomic amplitude was observed in the genotypes, ranging from 4.95 to 22.74 pg of DNA. Differences in DNA content, assessed by flow cytometry, allowed the differentiation between the genotypes A. andraeanum, A. affine, A. bomplandii, and
Crop Breed. Appl. Biotechnol.. Publicado em: 2017-12
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24. Decellularization of placentas: establishing a protocol
Biological biomaterials for tissue engineering purposes can be produced through tissue and/or organ decellularization. The remaining extracellular matrix (ECM) must be acellular and preserve its proteins and physical features. Placentas are organs of great interest because they are discarded after birth and present large amounts of ECM. Protocols for decellu
Braz J Med Biol Res. Publicado em: 17/11/2017