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3-D Structural Changes in Subchondral Bone and the Effect of Bisphosphonate Intervention in Early Osteoarthritis International Journal of Morphology
Chen,Hainan; Dong,Qirong; Jiang,Wei.
This study aims to observe the 3-D structural changes in subchondral bone and the effects of bisphosphonate intervention in the early unsteady stage of the knee joint. Sixty healthy male New Zealand white rabbits were divided into the model group (n= 24), the bisphosphonate (Bis) group (n= 24), and the control group (n= 12). The rabbits' right knees were used to evaluate the structural changes. The Bis group received subcutaneous injections of bisphosphonate, while the model and control groups received subcutaneous injections of isotonic saline solution. After surgical preparation, the knee joint was dissected for Micro-CT examination, and the Micro-CT results were compared using ANOVA. In the fourth postoperative week, the bone volume fraction (BVF),...
Tipo: Journal article Palavras-chave: Osteoarthritis; Subchondral bone; 3D structure; Micro-CT.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100042
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Molecular modeling of -endotoxins from Bacillus thuringiensis. Repositório Alice
LUCENA, W. A.; GROSSI, F..
Bacillus thuringiensis (Bt) is a Gram-positive entomotoxic bacterium widely used to control crop pests and disease vectors. Since the introduction of transgenic plants expressing Bt genes, it has been demonstrated that Bt-crops constitute an important tool in the increase of productivity and in the decrease of the use of chemical pesticides. Its success comes from the production of the ?-endotoxins (Cry). These toxins share a molecular mechanism of similar action or, at least, some common aspects.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: 3D structure; Toxin/Receptor interaction; Molecular dynamics.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1042884
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Prediction of mutations on structure primase of the archaeon Sulfolobus solfataricus Biological Sciences
Souza, Eden Silva e; Diniz, Michely Correia.
 All living organisms need a DNA replication mechanism and it has been conserved in the three domains of life throughout evolutionary process. Primase is the enzyme responsible for synthesizing de novo RNA primers in DNA replication. Archaeo-Eukaryotic Primase (AEP) is the superfamily that typically forms a heterodimeric complex containing both a small catalytic subunit (PriS) and a large accessory noncatalytic subunit (PriL). Sulfolobus solfataricus is a model organism for research on the Genetics field. The aim of this work was to evaluate, via Bioinformatics tools, three mutations in the large subunit (PriL) of the archaeon Sulfolobus solfataricus. The aspartic acid residue in the positions (Asp) 62, (Asp) 235, (Asp) 241 have been substituted by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.00.00.00-6; 2.02.02.00-8 in silico; PriL; 3D structure; DNA replication; Primer; Mutations. Genética Molecular e de Microorganismos.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34600
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Purification, characterization and structural determination of chitinases produced by Moniliophthora perniciosa Anais da ABC (AABC)
Galante,Rafaela S.; Taranto,Alex G.; Koblitz,Maria G.B.; Góes-Neto,Aristóteles; Pirovani,Carlos P.; Cascardo,Júlio C.M.; Cruz,Sandra H.; Pereira,Gonçalo A.G.; Assis,Sandra A. de.
The enzyme chitinase from Moniliophthora perniciosa the causative agent of the witches' broom disease in Theobroma cacao, was partially purified with ammonium sulfate and filtration by Sephacryl S-200 using sodium phosphate as an extraction buffer. Response surface methodology (RSM) was used to determine the optimum pH and temperature conditions. Four different isoenzymes were obtained: ChitMp I, ChitMp II, ChitMp III and ChitMp IV. ChitMp I had an optimum temperature at 44-73ºC and an optimum pH at 7.0-8.4. ChitMp II had an optimum temperature at 45-73ºC and an optimum pH at 7.0-8.4. ChitMp III had an optimum temperature at 54-67ºC and an optimum pH at 7.3-8.8. ChitMp IV had an optimum temperature at 60ºC and an optimum pH at 7.0. For the computational...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chitinase; Moniliophthora perniciosa; Kinetic characterization; Purification; Isoenzymes; Heat stability; 3D structure; Comparative modeling.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000200016
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