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Mostrando 13-24 de 240 artigos, teses e dissertações.
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13. Heregulin-1β Promotes the Synergistic Effect Between Allogenic Skin-Derived Precursor Differentiated Schwann Cells (SKP-SC) and Acellular Nerve Allograft (ANA) in Peripheral Nerve Regeneration Through Inhibiting Mir-21
Previous studies in our lab found that heregulin-1β with SKP-SCs (neurons and Schwann cells differentiated from SKPs) / ANA (acellular nerve allograft) transplantation represented a powerful therapeutic approach, and facilitates the efficacy of ANA in peripheral nerve injury. In this study, our purpose is to explore the mechanism between them. Firstly we tr
Braz. arch. biol. technol.. Publicado em: 24/05/2016
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14. Characterization and expression analysis of WOX2 homeodomain transcription factor in Aegilops tauschii
The WUSCHEL (WUS)-related homeobox (WOX) gene family coordinates transcription during the early phases of embryogenesis. In this study, a putative WOX2 homolog was isolated and characterized from Aegilops tauschii, the donor of D genome of Triticum aestivum. The sequence consisted of 2045 bp, and contained an open reading frame (ORF), encoded 322 amino acids
Genet. Mol. Biol.. Publicado em: 2015-03
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15. Effects of propofol on lipopolysaccharide-induced expression and release of HMGB1 in macrophages
This study aimed to determine the effects of different concentrations of propofol (2,6-diisopropylphenol) on lipopolysaccharide (LPS)-induced expression and release of high-mobility group box 1 protein (HMGB1) in mouse macrophages. Mouse macrophage cell line RAW264.7 cells were randomly divided into 5 treatment groups. Expression levels of HMGB1 mRNA were de
Braz J Med Biol Res. Publicado em: 24/02/2015
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16. Role of high mobility group box-1 and protection of growth hormone and somatostatin in severe acute pancreatitis
In this study, we investigated the potential role of high-mobility group box 1 (HMGB1) in severe acute pancreatitis (SAP) and the effects of growth hormone (G) and somatostatin (S) in SAP rats. The rats were randomly divided into 6 groups of 20 each: sham-operated, SAP, SAP+saline, SAP+G, SAP+S and SAP+G+S. Ileum and pancreas tissues of rats in each group we
Braz J Med Biol Res. Publicado em: 12/09/2014
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17. Culturable diversity of halophilic bacteria in foreshore soils
Halophilic bacteria are commonly found in natural environments containing significant concentration of NaCl such as inland salt lakes and evaporated sea-shore pools, as well as environments such as curing brines, salted food products and saline soils. Dependence on salt is an important phenotypic characteristic of halophilic bacteria, which can be used in th
Braz. J. Microbiol.. Publicado em: 05/08/2014
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18. Genetic diversity and symbiotic compatibility among rhizobial strains and Desmodium incanum and Lotus spp. plants
This work aimed to evaluate the symbiotic compatibility and nodulation efficiency of rhizobia isolated from Desmodium incanum, Lotus corniculatus, L. subbiflorus, L. uliginosus and L. glaber plants by cross-inoculation. Twelve reference strains and 21 native isolates of rhizobia were genetically analyzed by the BOX-PCR technique, which showed a high genetic
Genet. Mol. Biol.. Publicado em: 2014-06
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19. Characterization and expression analysis of chymotrypsin after bacterial challenge in the mud crab, Scylla paramamosain
Chymotrypsin is one of the serine proteases families that have various biological functions. A chymotrypsin gene was isolated from hepatopancreas of the mud crab, Scylla paramamosain (designated SpCHY) in this study. The full-length cDNA of SpCHY contained 942 nucleotides with a polyadenylation sequence and encoded a peptide of 270 amino acids with a signal
Genet. Mol. Biol.. Publicado em: 29/04/2014
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20. Comparing Acidovorax citrulli strains from melon and watermelon: Phenotypic characteristics, pathogenicity and genetic diversity
Melon and watermelon bacterial fruit blotch, incited by Acidovorax citrulli, is limited to some areas in Brazil but causes important losses, mainly in melon-producing regions. Although genetic diversity has been observed among strains belonging to the species, they are considered a homogeneous group based on the fact that they show only slight physiological
Trop. plant pathol.. Publicado em: 2014-04
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21. Análise fenotípica e genotípica de bactérias heterotróficas e fixadoras de nitrogênio em sedimento na bacia do Rio Cuiabá-MT
Os sedimentos apresentam-se como um sistema complexo, que são afetados por parâmetros geológicos, hidrodinâmicos, químicos e biológicos, caracterizado por uma interação entre o ambiente sedimentar de cada região. O presente estudo consistiu em caracterizar a diversidade de bactérias heterotróficas totais e fixadores de nitrogênio em sedimentos do
Rev. Ambient. Água. Publicado em: 2014-03
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22. Symbiotic nitrogen-fixing bacterial populations trapped from soils under agroforestry systems in the Western Amazon
Cowpea (Vigna unguiculata) is an important grain-producing legume that can forego nitrogen fertilization by establishing an efficient symbiosis with nitrogen-fixing bacteria. Although inoculating strains have already been selected for this species, little is known about the genotypic and symbiotic diversity of native rhizobia. Recently, Bradyrhizobium has be
Sci. agric. (Piracicaba, Braz.). Publicado em: 2013-12
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23. Endo-and exoglucanase activities in bacteria from mangrove sediment
The mangrove ecosystem is an unexplored source for biotechnological applications. In this unique environment, endemic bacteria have the ability to thrive in the harsh environmental conditions (salinity and anaerobiosis), and act in the degradation of organic matter, promoting nutrient cycles. Thus, this study aimed to assess the cellulolytic activities of ba
Braz. J. Microbiol.. Publicado em: 2013-09
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24. Endophytic bacterial diversity in banana 'Prata Anã' (Musa spp.) roots
The genetic diversity of endophytic bacteria in banana 'Prata Anã' roots was characterized. Two hundred and one endophytic bacteria were isolated, 151 of which were classified as Gram-positive and 50 as Gram-negative. No hypersensitivity response was observed in any of the isolates. The rep-PCR technique generated different molecular profiles for each prime
Genet. Mol. Biol.. Publicado em: 2013