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12 resultados
Pharmacological characterization of rat paw edema induced by canatoxin, the toxic protein from Canavalia ensiformis (jack bean) seeds.
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Intraplantar injection of canatoxin (CNTX) induced a dose-dependent rat hind-paw edema which was distinguished by two phases. In the first phase, observed between 0 and 2 hr after CNTX injection, there was an increase in paw volume, with no apparent involvement of inflammatory phagocytic cells. The
Rat paw edema and leukocyte immigration induced by plant lectins.
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Lectins from Dioclea grandiflora (DG) and Canavalia brasiliensis (CB) were compared with Concanavalin A (ConA) for their ability to induce paw edema and peritoneal cell immigration in rats. ConA caused a slight edema with a peak at 1 h after injection, while DG or CB induced a pronounced and
Protein crystal content analysis by mass spectrometry and preliminary X-ray diffraction of a lectin from Canavalia grandiflora seeds with modulatory role in inflammation.
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BACKGROUND
Lectins are a family of proteins capable of deciphering the glycan code. Several authors have published works about crystallization and mass spectrometry analyses of ConA-like lectins. However, mass spectrometry has never been used to characterize lectin crystal content. In this study,
Purification, characterization and partial sequence of a pro-inflammatory lectin from seeds of Canavalia oxyphylla Standl. & L. O. Williams.
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Recent studies have shown that lectins are promising tools for use in various biotechnological processes, as well as studies of various pathological mechanisms, isolation, and characterization of glycoconjugates and understanding the mechanisms underlying pathological mechanisms conditions,
Effects of Canavalia lectins on acute inflammation in sensitized and non-sensitized rats.
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The anti-inflammatory activity of Canavalia seed lectins (Canavalia gladiata [CGL], Canavalia maritima [ConM] and Canavalia brasiliensis [ConBr]) was evaluated by intravenous administration in rats. In non-sensitized rats, cellular edema elicited by carrageenan was reduced (45-51 %) by ConM and
Lectin from Canavalia villosa seeds: A glucose/mannose-specific protein and a new tool for inflammation studies.
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With important carbohydrate binding properties, lectins are proteins able to decipher the glycocode, and as such, they can be used in bioassays involving cell-cell communication, protein targeting, inflammation, and hypernociception, among others. In this study, a new glucose/mannose-specific lectin
Vasodilator effects of Diocleinae lectins from the Canavalia genus.
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This study investigated and compared vascular actions of leguminous lectins obtained from the Canavalia genus (Canavalia brasiliensis, Canavalia gladiata, and Canavalia maritima) in the rat models of paw edema and isolated aorta. Paw edema was induced by subcutaneous injection of lectins (0.01-1
Ureases display biological effects independent of enzymatic activity: is there a connection to diseases caused by urease-producing bacteria?
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Ureases are enzymes from plants, fungi and bacteria that catalyze the hydrolysis of urea to form ammonia and carbon dioxide. While fungal and plant ureases are homo-oligomers of 90-kDa subunits, bacterial ureases are multimers of two or three subunit complexes. We showed that some isoforms of jack
Lectin extracted from Canavalia grandiflora seeds presents potential anti-inflammatory and analgesic effects.
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Neutrophil migration is responsible for tissue damage observed in inflammatory diseases and is also implicated in inflammatory nociception. The use of lectins has been demonstrated to be effective in different activities including anti-inflammatory, antimicrobial, and in cancer therapy. In this
Molecular cloning and characterization of ConBr, the lectin of Canavalia brasiliensis seeds.
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ConBr, a lectin isolated from Canavalia brasiliensis seeds, shares with other legume plant lectins from the genus Canavalia (Diocleinae subtribe) primary carbohydrate recognition specificity for D-mannose and D-glucose. However, ConBr exerts different biological effects than concanavalin A, the
Structural characterization of a lectin from Canavalia virosa seeds with inflammatory and cytotoxic activities.
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A lectin from Canavalia virosa, Diocleinae subtribe, was purified by affinity chromatography with Sephadex G-50 matrix and named ConV. The primary structure of ConV was obtained by mass spectrometry and crystals were obtained by the vapor diffusion method at 293K and belonged to orthorhombic space
A multi-target therapeutic potential of Prunus domestica gum stabilized nanoparticles exhibited prospective anticancer, antibacterial, urease-inhibition, anti-inflammatory and analgesic properties.
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BACKGROUND
Phytotherapeutics exhibit diverse pharmacological effects that are based on the combined action of a mixture of phytoconstituents. In this study, Prunus domestica gum-loaded, stabilized gold and silver nanoparticles (Au/Ag-NPs) were evaluated for their prospective anticancer,
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